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Bootable/Standalone Multiprocessor Diagnostics Manual

1. Only pass and error count messages are displayed C A Control C must be entered to halt the program and return to the prompt Getting Started with mdg 2 7 Solbourne Confidential Information Do Not Distribute 2 9 Removing and Adding Processors It may be desirable in many ocassions to completely remove a processor from mdg The halt 1 command provides a mechanism to do this The effect of the halt command is to put the target processor in an idle loop at the ROM level x x x NOTE x X If the target processor happens to be the master processor it will first tell all of the available processors to exit mdg and then it will exit from mdg itself In the other hand the wake command provides the user with the ability to tell a processor which is idle at the ROM level to start mdg as as slave processor and be part of the mdg environment See the config 1 halt and wake commands in Section 4 for additional information 2 10 Exiting mdg To exit mdg use the quit 1 command 2 8 Getting Started with mdg Section 3 mdg Tests 3 1 Introduction This section explains the functionality of the tests shipped by Solbourne Computer for use with the mdg 1 debugger These tests include 1 Atomic Load Store Test Memory Data RAM Test Shared Memory Pattern Test Cache Block Alias Test Floating Point Store Test Cache Data Request Test Cache Data Bus Pattern Test po SL S N QUE ee SEN Interrupt Test w
2. 1 gt SEE ALSO config 1 limit 1 mdg 1 Solbourne Computer Inc 1 December 1988 2 DEPOSIT 1 UNIX Programmer s Manual DEPOSIT 1 NAME deposit Deposit data at specified address SYNOPSIS deposit b h w addr range value DESCRIPTION deposit writes data to an address or range of addresses OPTIONS b Ihlw Specifies the width of the data to be examined b byte 8 bits h half word 16 bits w word 32 bits If the width is not specified a width of b 1 byte is assumed addr_range One of the following forms addr the location addr addr count count locations starting from addr addrl addr2 all locations from addr1 to addr2 value Value to be written to the specified address EXAMPLES The following example writes 32 bits of data zero to address ff000000 hex 5 6 lt 1 gt gt deposit w Oxff000000z0 5 6 lt 1 gt gt SEE ALSO mdg 1 examine 1 Solbourne Computer Inc 1 December 1988 n 1 ERRLIM 1 UNIX Programmer s Manual ERRLIM 1 NAME errlim Set or display error limit SYNOPSIS errlim limit DESCRIPTION errlim sets or displays the current setting of the test error limit OPTION limit Specifies the number of test errors that can occur before test execution is halted By default the limit is set to zero no error limit However the error limit may be changed by specifying a new limit value The limit value must be entered in un
3. 1 gt limit System Memory limits LOW HIGH sysmem 86e000 FEFEEE vmemap 20 TEE vmemem 0 7ffff 5 6 lt 1 gt gt The following example sets the memory limits for physical shared memory to the range 86e000 through cfffff hex and set the VMEbus address map limits to 20 through ff hex inclusive Solbourne Computer Inc 1 December 1988 1 LIMIT 1 UNIX Programmer Manual LIMIT 1 5 6 lt 1 gt gt limit mem 86e000 cfffff 5 6 lt 1 gt gt limit vmemap 20 ff 5 6 lt 1 gt gt limit System Memory limits LOW HIGH sysmem 86e000 cfffff vmemap 20 ff vmemem 0 TEECE 5 6 1 gt The following example resets only the VMEbus address map limits to their default values The physical shared memory values are not modified 5 6 lt 1 gt gt limit vmemap reset 5 6 lt 1 gt gt limit System Memory limits LOW HIGH sysmem 86e000 erfrfff vmemap 20 7ff vmemem 0 TELTE 5 6 lt 1 gt gt SEE ALSO config 1 mdg 1 Solbourne Computer Inc 1 December 1988 2 LOOP 1 UNIX Programmer s Manual LOOP 1 NAME loop Set or display loop on test flag SYNOPSIS loop on off DESCRIPTION loop sets or displays the loop on error flag If no parameters are specified loop displays the current setting of the loop flag The loop flag commands tests to loop on the failing test case in the event a test error occurs Tests are designed to halt when er
4. Getting Started with mdg This section explains how to begin using mdg Section 3 mdg Tests This section presents the tests currently available using mdg Section 4 Commands This section gives the user commands available when using mdg ii Table of Contents Section 3 ntroducbon e ar 1 1 1 1 Introduch n ee dest E Ge co Suen olt bI Ree Leite A 1 1 12 Related Documentation an en 1 1 Section 2 Getting Started with Map une 2 1 DM Introd UucHOf nen 2 1 2 2 InVvokine MdB aione nin enna e EE EEE S A E 2 1 23 The PTOM DPI aeg aaa 2 2 24 Enernng Commands soares a rel EE Qi Ned 2 2 25 Usinp mdg Commands nn E A S 2 3 2 91 Test Control Commands airesin ae 2 3 26 Selecting Processors for Testing ias qoos i Ee eee 2 4 2 7 Starting Test EXOCU GON unse ihu ikienn 2 5 2 7 1 Variations of Test EXECUH ON air 2 6 28 Handling Test Failures nitas opi ir n tte a eaae Ex enedes 2 6 29 Removing and Adding Processors scent tisse tisticen site esee eL ie oLas Es vaso eR HEN VERE Tb da Feb iade 2 7 2 10 Exiine mdg neues phon itn n Ma dH eset n et NIU 2 8 Section o mdp Tests anne ee Uca deter incen hod caisse 3 1 31 Introduction nee ee ae era 3 1 3 2 Test 01 Atomic Load Store Test istae etico tendit u 3 1 3 3 Test 02 Memory Data RAM Test ins una 3 2 34 Test 037 Shared Memory Pattern Test u een 3 2 3 3 Test 04 Cache Block Alias Test ae einen 3 3 3 6 Test 05 Floating Point Store Test un ae ua 3 4 3 7 T
5. SYNOPSIS continue on off DESCRIPTION continue sets or displays the continue on error flag If no parameters are specified con tinue displays the current setting of the continue on error flag The continue flag commands tests to continue executing after a test failure occurs Tests are designed to check the continue flag to determine if test execution should be halted the default condition or if the next test case should be executed OPTIONS on Turns on the continue on error flag off Turns off the continue on error flag EXAMPLES User input in the examples is shown in boldface type The following example causes the current error message enable flag to be displayed 5 6 lt 1 gt gt continue continue off 5 6 1 gt The following example illustrates how the continue flag is changed and redisplayed 5 6 lt 1 gt gt continue on 5 6 1 gt continue continue on 5 6 lt 1 gt gt SEE ALSO mdg 1 status 1 Solbourne Computer Inc 1 December 1988 1 CPUS 1 UNIX Programmer s Manual CPUS 1 NAME cpus Select or display processors included in testing SYNOPSIS cpus all cpu cpu cpu DESCRIPTION cpus select the processors that are to be tested by the selected tests By default all pro cessors are selected for testing when the program is initialized Single processors or a range of processors may be selected by specifying the processor numbers or ra
6. addr the location addr addr count count locations starting from addr addr addr2 all locations from addrl to addr2 If range is not specified the address range used on the previous examine com mand is used EXAMPLES The following example shows how to examine a byte from location 17000000 hex 5 6 lt 1 gt gt examine b 0x17000000 0x17000000 Ox3d 5 6 lt 1 gt gt SEE ALSO mdg 1 deposit 1 Solbourne Computer Inc 1 December 1988 FBCONFIG 1 UNIX Programmer s Manual NAME fbconfig displays the frame buffer configuration file SYNOPSIS fbconfig DESCRIPTION FBCONFIG 1 The frame buffer configuration is read from the diagnostic RAM when MDG is invoked The board must be configured in descending slot order EXAMPLE User input in the example is shown in boldface type 5 6 lt 1 gt gt fbconfig Frame Buffer Configuration 1 graphics board s Slot IO address Board Type 1 al000000 monochrome Slot number of default board to test 5 6 lt 1 gt gt SEE ALSO mdg 1 Solbourne Computer Inc 1 December 1988 Resolution low HALT 1 UNIX Programmer s Manual HALT 1 NAME halt Remove processors from mdg environment SYNOPSIS halt all cpu cpu cpu DESCRIPTION halt removes the specified processors from the mdg environment The effect of removing a processor from mdg is to put the specified processor in an idle loop at the ROM lev
7. a processor fails to match the expected pattern from memory an error condition is detected and reported For example 3 2 mdg Tests Solbourne Confidential Information Do Not Distribute Expected pattern not matched Retries 2000 Address Oxff0c02e0 exp 0x04 act 0x01 Upon test initialization the master processor insures that all involved processors register in order to proceed with the test If for some reason a processor is unable to register to the master processor the master reports this as an error condition as follows Processor does not register Processor If the prompt flag for this test is set the test prints out messages indicating the status of the test however this may slow down execution 3 5 Test 04 Cache Block Alias Test This test verifies that the cache tags will reference the correct entry in the cache rams It verifies that a reference to the same physical location through different virtual addresses works differently In a multiprocessor environment this test performs a series of memory page write and reads in which all physical page addresses from XXXX000Y to XXXXe00Y hex are written and read using all combinations of virtual page addresses from XXXX000Y to XXXXe00Y including FF space addresses Each processor involved in this test will have a different starting base address from the other processors Y For Series4 A write to a physical block using a virtual block address creates a
8. memory test limits By default cpulim displays all memory limits for all of the processors in the system cpulim is calculated using the amount of free memory and the number of processors in the system Some test programs examine the private memory limits to determine how much memory to test OPTION reset Resets the limits back to the default settings The default settings are deter mined by the amount of free memory and the number of processors in the sys tem low high low is the first address and high is the last address to test inclusive EXAMPLE User input in the example is shown in boldface type The following example displays the current limit settings for all the processors in the sys tem 5 6 lt 1 gt gt cpulim CPU Specific Memory limits Slot LOW HIGH 5 d 000 4a3fff 6 4c4000 82bfff 5 6 15 gt The following example resets the memory limit to their default values 5 6 1 gt cpulim reset 5 6 lt 1 gt gt cpulim CPU Specific Memory limits Slot LOW HIGH 5 dc000 4a3fff 6 4a4000 86bfff 5 6 lt 1 gt gt The following example sets the memory limit for processor 5 to the range ef000 through 400000 hex inclusive 5 6 lt 1 gt gt cpulim 5 ef000 400000 5 6 lt 1 gt gt cpulim 5 CPU Specific Memory limits Slot LOW HIGH 5 ef000 400000 Solbourne Computer Inc 1 December 1988 41 CPULIM 1 UNIX Programmer s Manual CPULIM 1 5 6
9. on all installed processors and is designed to exercise Kbus cache consistency protocols when each processor s floating point unit is busy doing store operations to its cache Each active processor is given a unique 64 Kbyte region of memory by the master processor This 64 Kbyte region is then divided into two 32 Kbyte regions by each processor Each processor then tags the first 32 Kbyte region with the floating point representation of its BID pattern and the integer representation of its BID pattern into the second 32 Kbyte region Each processor then begins a loop in which it alternates between writing its own memory regions and verifying the two regions for all other processors An example error message is show below Data error in non FP store region of CPU in slot 2 FP store region Oxff800000 0xff807fff non FP store region 0xff808000 0xff80ffff failing address 0xff807002 exp 0x22222222 act 0x20222222 3 7 Test 06 Cache Data Request Test This test is executed on all installed processors and is designed to exercise each processors ability to supply data in response to a Kbus data request cacheable read while busily performing cache memory operations Each processor begins by initializing memory with a sequence of patterns 32 byte memory blocks are allocated to each processor modulo the number of processors with each memory 3 4 mdg Tests _ Solbourne Confidential Information Do Not Distribute block contain
10. steps to follow the first time mdg is invoked are given below The user must first bring the Solbourne system to the ROM gt prompt If UNIX is running it must be shutdown using the halt 1 command 4064 1 Atthe ROM prompt type Ek TR eft IN 4 ROM b sd si Ff stand mdg 2 When mdg starts up the following message is displayed MDG Multiprocessor Diagnostic Test Controller Version 1 1 September 25 1989 Copyright c 1989 Solbourne Computer Inc 3 As mdg starts up the following steps are undertaken by the MASTER processor e Obtain the number of processors in the system and the results of power up diagnostics from the diagnostic RAM e Calculate the system wide shared memory and CPU specific private memory test limits e Configure the memory configuration table with the number of memory boards in the system as well as their addressing range e Configure the frame buffer configuration table with the values found during power up e Initialize the VMEbus configuration table as empty e Awake each SLAVE processor in the system that passed the power up diagnostics Each SLAVE processor will register with the MASTER processor in order for the MASTER to include it as part of the selected list of available system processors that mdg maintains e By default all available tests are selected and all the available processors are included for testing 4 Uponcompletion of the previous setup mdg will display the f
11. to the master processor the master reports this as an error condition as follows Processor does not register Processor 5 If the prompt flag for this test is set the test prints out messages indicating the status of the test however this may slow down execution 3 3 Test 02 Memory Data RAM Test This test is similar the the Memory Data RAM Test in dg except that each installed cpu card accesses Only a portion of each memory block The test performs a movin inverse test algorithm but shares each tested memory block with all other installed processors An example of a Data RAM Test failure follows Error occurred in data RAM memory test Error code QxeQ Virtual addr 0x00800000 Physical addr 0x00ea0000 Board slot A data failure was found in the second read on the reverse pass exp 0x55555555 act 0x5555555d xor 0x00000008 3 4 Test 03 Shared Memory Pattern Test This test verifies basic cache consistency by having all processors involved in the test work in sequence during access to the same block of memory in FF space During test initialization the master processor assigns each processor a unique pattern that each processor writes to memory after waiting for another processor to write its pattern In this manner the entire block of memory is addressed and results in an environment upon where each processor is constantly validating invalidating its cache If after a predetermined number of retries
12. 1 Display system memory configuration menu 1 Display listing of available tests e names 1 Enable or disable printing of test names during test execution next 1 Execute next selected test passes 1 Display pass count passlim 1 Set or display pass limit prompt 1 Set or display prompt flags quiet 1 Set or display error message enable flag quit 1 Exit from mdg restart 1 Restart execution of selected tests run 1 Start execution of selected tests status 1 Display or reset state of modes flags and counts tests 1 Select or display tests to be executed e time 1 Set or display print time flag and print current date and time vmeconf 1 Configure VMEbus devices wake 1 Add processor to mdg environment 2 6 Selecting Processors for Testing By default when mdg is started all the processors that passed power up diagnostics are selected for testing Processors are selected deselected for testing with the cpus 1 command If the cpus command is entered without an argument all the selected processors are displayed For example 5 6 X1 gt cpus selected cpus 6 5 6 1 gt The processor selection can be modified at any time the prompt is displayed For example 2 4 Getting Started with mdg Solbourne Confidential Information Do Not Distribute 5 6 lt 1 gt gt cpus all 5 6 lt 1 gt gt cpus selected cpus 5 6 5 6 l
13. A summary of the command given as an argument to help will be displayed 2 5 Using mdg Commands Example usage of each mdg command is given in Section 4 of this manual All commands can be used with any other commands All the mdg commands are for test control The test control commands are commands so categorized because they cause execution or alter the execution of the test programs 2 5 1 Test Control Commands The test control commands allow users to control tests run by the mdg debugger The command names and their functions follow e e e e e e e e e Ld between 1 Set or display between count config 1 Display system processor configuration continue 1 Set or display continue on error flag cpus 1 Select or display processors included in tests cpulim 1 Display or set processor specific memory test limits deposit 1 Deposit data at specified address errlim 1 Set or display error limit errors 1 Display error count examine 1 Examine contents of memory fbconfig 1 Generates or display the frame buffer configuration halt 1 Remove processors from mdg environment Getting Started with mdg 2 3 Solbourne Confidential Information Do Not Distribute e help 1 Display this command list or information on a specific command e limit 1 Display or set memory test limits loop 1 Set or display loop on test flag master 1 Display or set master processor memconfig
14. Bootable Standalone Multiprocessor Diagnostics Manual This document contains highly sensitive confidential information that may only be viewed by employees of Solbourne Computer Inc DO NOT COPY OR DISTRIBUTE THIS MANUAL SOLBOURNE COMPUTER Inc 1900 Pike Road Longmont Colorado 80501 303 772 3400 Solbourne and Series4 600 and Series4 500 are trademarks of Solbourne Computer Inc Part Number 101686 AC October 1989 Copyright 1989 by Solbourne Computer Inc All rights reserved No part of this publication may be reproduced stored in any media or in any type of retrieval system transmitted in any form e g electronic mechanical photocopying recording or translated into any language or computer language without the prior written permission of Solbourne Computer Inc 1900 Pike Road Longmont Colorado 80501 There is no right to reverse engineer decompile or disassemble the information contained herein or in the accompanying software Solbourne Computer Inc reserves the right to revise this publication and to make changes from time to time without obligation to notify any person of such revisions or changes Preface This manual describes mdg the Solbourne Computer Inc standalone multiprocessor test controller for the Solbourne systems This manual contains four sections as follows Section 1 Introduction This section introduces the Bootable Standalone Multiprocessor Diagnostics program mdg Section 2
15. S Starting text execution 2 5 V Variations of test exectution 2 6 VMEbus configuration table 2 1 Index I 1
16. The following example illustrates how the quiet flag is changed and redisplayed 5 6 X1 gt quiet on 5 6 1 gt quiet quiet on 5 6 lt 1 gt gt SEE ALSO mdg 1 status 1 Solbourne Computer Inc 1 December 1988 QUIT 1 UNIX Programmer s Manual QUIT 1 NAME quit Exit from mdg SYNOPSIS quit DESCRIPTION quit exits from the mdg debugger program and returns the user to the ROM gt prompt SEE ALSO mdg 1 Solbourne Computer Inc 1 December 1988 1 RESTART 1 UNIX Programmer s Manual RESTART 1 NAME restart Restart execution of selected tests SYNOPSIS restart DESCRIPTION restart causes the current test 1 selection to be executed beginning with the first test current test selection The major difference between restart and run 1 is that restart goes back to the first test in the sequence while run continues execution with the next selected test The number of times the test selection is executed depends on the value of the passlim 1 limit EXAMPLE User input in the example is shown in boldface type In the following example run was entered to begin test execution The current test selec tion were executed until an error was encountercd in test 1 restart was entered to start the test sequence again from the beginning 5 6 lt l gt gt run Starting Test 1 testname Test 1 error error message 5 6 X1 gt restart Starting Test 1 t
17. dard user data access 3d standard supervisor data access 29 short user data access 2d short supervisor data access Address modifier 3d Address d00000 VMEbus Configuration consists of 3 boards 0 Ciprico Rimfire 3500 VMEbus to SCSI Am 0x2d Addr 0x5000 Physaddr 0x85f 5000 1 Excelan Ethernet Am 0x3d Addr 0xd00000 Physaddr 0x87d00000 2 Plessey RAM 512K Am 0x3d Addr 0x100000 Physaddr 0x87100000 Do you wish to change this configuration y n n 5 6 1 gt SEE ALSO mdg 1 Solbourne Computer Inc 1 December 1988 2 WAKE 1 UNIX Programmer s Manual WAKE 1 NAME wake Add processor to mdg environment SYNOPSIS wake cpu DESCRIPTION wake provides a method to tell a processor which is idle at the ROM level to start mdg as a slave processor The specified processor must be recognized by the master as a valid processor in the system OPTIONS cpu Add specified cpu The specified processor is told to start mdg as a slave proces sor EXAMPLES User input in the examples is shown in boldface type In the following example processor 6 is awaken and added to mdg 5 6 lt 1 gt gt wake 6 5 6 lt 1 gt gt SEE ALSO config 1 halt 1 mdg 1 Solbourne Computer Inc 1 December 1988 1 PDELSTRUCT 3P UNIX Programmer s Manual PDELSTRUCT 3P NAME pdelstruct delete structure SYNOPSIS include phigs h void pdelstruct struct_id Pint struct
18. el thus exiting from mdg If the specified processor is the master processor the master processor will first tell all of the available processors in the system to exit mdg and then it will exit mdg itself OPTIONS all Halt all the available processors all can be specified at any time to halt all pro cessors cpu Halt specified cpu EXAMPLES User input in the examples is shown in boldface type In the following example processor 6 is halted and removed from mdg 5 6 lt 1 gt gt halt 6 5 1 gt In the following example processors 6 and 5 are both halted thus in effect both proces sors exiting from mdg Note that processors may be selected in any order 6 5 lt 1 gt gt halt 6 5 In the following example all processors are halted This results in both processors exit ing from mdg 5 6 1 gt halt all SEE ALSO config 1 mdg 1 wake 1 Solbourne Computer Inc 1 December 1988 1 HELP 1 UNIX Programmer s Manual HELP 1 NAME help Display command list or information on a specific command SYNOPSIS help command DESCRIPTION The help command with no arguments causes a list of command and command usages to be displayed This is equivalent to the command The help command with an argument causes the command usage for the specified com mand to be displayed OPTIONS command name of command for which help is desired EXAMPLE The following example causes t
19. elan Ethernet VMEbus board from the configuration then how the program would be used to put the board back into the configuration table 5 6 1 gt vmeconf VMEbus Configuration consists of four boards 0 Ciprico Rimfire 3500 VMEbus to SCSI Am 0x2d Addr 0x5000 Physaddr 1 Excelan Ethernet Am 0x3d Addr 0xd00000 Physaddr 0x87d00000 2 Plessey RAM 512K 0Ox85ff5000 Am 0x3d Addr 0x100000 Physaddr 0x87100000 Do you wish to change this configuration y n y Do you want the default configuration y n n Do you want to delete any entries y n y Entry number to delete q to quit 1 Entry number to delete q to quit q Do you want to add any entries y n n 0 Ciprico Rimfire 3500 VMEbus to SCSI Am 0x2d Addr 0x5000 Physaddr 0x85f 5000 2 Plessey RAM 512K Am 0x3d Addr 0x100000 Physaddr 0x87100000 Do you wish to change this configuration y n y Do you want the default configuration y n n Do you want to delete any entries y n n Do you want to add any entries y n y How many vme boards are to be added 0 5 1 Enter information for board 1 Solbourne Computer Inc 1 December 1988 1 VMECONF 1 UNIX Programmer s Manual VMECONF 1 Valid vme board types are 0 none 1 Ciprico Rimfire 3500 VMEbus to SCSI 2 Excelan Ethernet 3 Plessey RAM 512K Type of board 2 Valid address modifiers are 9 extended user data access d extended supervisor data access 39 stan
20. est 06 Cache Data Request Test ini 3 4 3 8 Test 07 Cache Data Bus Pattern Test cu 3 5 3 9 Test 08 Interrupt Test an Eee 3 6 SCLC 4 Commands arie ame nee een 4 1 4 1 Introduchon 5 ini ve UI D Ro Svo Iac E E Ie ieldeigcie 4 1 vli Section 1 Introduction 1 1 Introduction mdg is a standalone test controller for use on Solbourne multiprocessor systems This program is used by design manufacturing and field engineering personnel to help in determining defective boards and in diagnosing these failures The intended primary user of this program is the manufacturing organization The software for mdg includes e the mdg standalone test controller mdg 1 e test control commands e mdg tests 1 2 Related Documentation Information that may be useful while using the mdg program is available in the following documentation e Series4 600 Service Manual Part number 101249 A A e Series4 600 Theory Manual Part number 101250 AA e Series4 500 Service Manual Part number 102161 AA e Extended ROM Resident Diagnostics Manual Part number 101489 AB e System Power On Self Test Manual Part number 101486 AB Introduction 1 1 Section 2 Getting Started with mdg 2 1 Introduction This section gives step by step instructions and examples for getting started using mdg In this section commands you enter are given in boldface type Command parameters for which you substitute a value are given in italic 2 2 Invokingmdg The
21. estname Starting Test n testname Tests completed Passes 1 Errors 0 Tue Nov 22 14 58 04 1988 5 6 lt 1 gt gt SEE ALSO mdg 1 next 1 passlim 1 run 1 Solbourne Computer Inc 1 December 1988 uu E 1 i RUN 1 UNIX Programmer s Manual RUN 1 NAME run Start execution of selected tests SYNOPSIS run DESCRIPTION run causes the current test 1 selection to be executed The number of times the test selection is executed depends on the value of the passlim 1 limit EXAMPLE User input in the example is shown in boldface type In the following example run was entered to begin test execution The current test selec tion was executed once passlim 1 followed by a tests completed message If passlim s limit is set to a value other than one the complete test sequence would be repeatedly exe cuted until limit is reached at which time the program would return to the prompt The test completed message is displayed after each pass 5 6 lt 1 gt gt run Starting Test 1 testname Starting Test n testname Tests completed Passes 1l Errors 0 Tue Nov 22 14 58 04 1988 5 6 lt 1 gt gt SEE ALSO mdg 1 next 1 passlim 1 restart 1 Solbourne Computer Inc 1 December 1988 1 STATUS 1 UNIX Programmer s Manual A STATUS 1 NAME status Display or reset state of modes flags and counts SYNOPSIS status reset flags DESCRIPTION status displays the curre
22. ests test Prompt specified test If test is not specified the prompt command displays the current status of the prompt flags EXAMPLES User input in the examples is shown in boldface type The following example illustrates how to display the prompt flags 5 6 X1 gt prompt no prompted tests 5 6 lt 1 gt gt prompt all 5 6 lt 1 gt gt prompt prompted tests 1 2 3 5 6 lt 1 gt gt prompt off 5 6 lt 1 gt gt prompt 2 3 5 6 lt 1 gt gt prompt prompted tests 2 3 5 6 lt 1 gt gt SEE ALSO mdg 1 menu 1 tests 1 Solbourne Computer Inc 1 December 1988 1 QUIET 1 UNIX Programmer s Manual QUIET 1 NAME quiet Set or display error message enable flag SYNOPSIS quiet on off DESCRIPTION quiet sets or displays the error message enable flag If no parameters are specified quiet displays the current setting of the flag The error message enable flag prevents error messages from being displayed on test failures This feature should be used to create the tightest possible loop when the loop flag is on A Control C must be entered to stop the loop and return to the prompt OPTIONS on Turns on the quiet flag off Turns off the quiet flag EXAMPLES User input in the examples is shown in boldface type The following example causes the current error message enable flag to be displayed 5 6 1 gt quiet quiet off 5 6 1 gt
23. face type The following example illustrates how to display the current pass limit 5 6 1 gt passlim Pass limit 1 5 6 X1 gt The following example illustrates how to change and re display the pass limit 5 6 lt 1 gt gt passlim 0 5 6 0 gt passlim Pass limit 0 5 6 0 gt SEE ALSO mdg 1 passes 1 Solbourne Computer Inc _ 1 December 1988 1 PROMPT 1 UNIX Programmers Manual PROMPT 1 NAME prompt Set or display prompt flags SYNOPSIS prompt all off test test test test DESCRIPTION prompt sets or displays the prompt flag for each test program The command allows the user to selectively alter the default behavior of the test programs by turning the flag for the specified tests on or off Only a few of the mdg tests use the prompt flag The behavior of the test depends on what the test is attempting to accomplish In some case if a test isn t prompted it does not execute In others it modifies the test algorithm or enables the printing of informa tional messages Single tests or a range of tests may be prompted by specifying the test numbers or range of tests number The menu 1 command indicates which tests examine their prompt flags OPTIONS all Set prompt flags for all tests all can be specified at any time to prompt all tests off Turns prompt flags for all tests off off can be specified at any time to turn off prompts for all t
24. fied address Pass indicates how many repetitions were completed when the error occurred 3 9 Test 08 Interrupt Test This test verifies that each processor can send directed interrupts to all other processors and that each processor receives an interrupt from all others For Series5 the global interrupt capability is verified in the same manner as for directed interrupts Each processor starts by getting synchronized with all other processors then all processors simultaneously begin sending interrupts to another processor 10 000 iterations of the test are performed The following error may occur Never received directed interrupt from cpu in slot X passes completed YY This indicates that all processors finished sending directed interrupts but one processor failed to receive it If executed on a Series5 machine the following error could also occur 3 6 mdg Tests Solbourne Confidential Information Do Not Distribute Never received global interrupt from cpu in slot X passes completed YY This indicates that all processors finished sending global interrupts but one processor failed to receive it mdg Tests 3 7 Section 4 Commands 4 1 Introduction This section offers printed copies of man pages for all commands associated with mdg 1 The commands are presented in the UNIX man page reference format A summary of command usage is displayed on line when mdg is running by typing 5 6 15 g
25. he command usage for the tests command to be displayed 5 6 1 gt help tests Usage tests all test test test 5 6 1 gt SEE ALSO mdg 1 Solbourne Computer Inc l 1 December1988 1 LIMIT 1 UNIX Programmer s Manual LIMIT 1 NAME limit Display or set memory test limits SYNOPSIS limit reset memname low high reset DESCRIPTION limit displays or sets the memory test limits of the system By default limit displays all the memory limits limit is set to the amount of installed memory for each memory devices in the system Memory devices include physical shared memory VMEbus address map memory and VMEbus resident memory boards The test programs examine the memory limits to determine how much memory to test OPTION reset Resets the limits back to the default settings The default settings are deter mined by the amount of installed memory and the number of processors in the system low high low is the first address and high is the last address to test inclusive EXAMPLE User input in the example is shown in boldface type The following example displays the current limit settings for all the memory devices 5 6 lt 1 gt gt limit System Memory limits LOW HIGH sysmem 87c000 afffff vmemap 20 7ff vmemem 3 5ff 5 6 15 gt The following example resets the memory limits to their default values 5 6 lt 1 gt gt limit reset 5 6
26. he frame buffer configuration halt Remove processor from mdg environment help Display summary of mdg commands limit Display or set system memory test limits loop Set or display loop on test flag master Set or display master processor memconfig Display system memory configuration menu Display listing of the available tests names Enable or disable printing of test names during test exe cution next Execute next selected test passes Display pass count passlim Set or display pass limit prompt Set or display prompt flags Solbourne Computer Inc 1 December 1988 1 MDG 1 UNIX Programmer s Manual MDG 1 quiet Set or display error message enable flag quit Exit from mdg program restart Restart execution of selected tests run Start execution of selected tests Status Display or reset state of modes flags and counts tests Select or display tests to be executed time Set or display print time flag and display current date and time vmeconf Configure VMEbus devices wake Add processor to mdg environment Solbourne Computer Inc December 1988 2 MEMCONFIG 1 UNIX Programmer s Manual MEMCONFIG 1 NAME memconfig Display memory configuration file SYNOPSIS memconfig DESCRIPTION memconfig displays the memory configuration When MDG is invoked it creates a memory configuration table based on the memory configuration information saved in the diagnostic RAM during the power up self tests EXAMPLES User input in
27. id structure identifier DESCRIPTION Call pdelstruct 3P to delete a structure and its contents OPERATING STATES PHOP EFFECT The specified structure is deleted its identifier its contents and all references to it are removed from PHIGS It is unposted from all workstations to which it is posted In the event the specified structure is the open structure the resulting functionality is equivalent to the following sequence CLOSE STRUCTURE DELETE STRUCTURE structure identifier OPEN STRUCTURE structure identifier If the specified structure does not exist no action is taken SEE ALSO pdelallstruct 3P pdelstructnet 3D DIAGNOSTICS 002 Ignoring function function requires state PHOP Solbourne Computer Inc 25 September 1989 i 1 A Awake SLAVE processor 2 1 C Calculate CPU test limits 2 1 Calculate shared memory 2 1 F Frame buffer configuration table 2 1 H Handling test failures 2 6 M mdg tests 3 1 Test 01 3 Test 02 3 Test 03 3 Test 04 3 Test 05 3 Test 06 3 Test 07 3 Test 08 3 mdg Available commands 4 1 Definition 1 1 Entering commands 2 2 Error messages 2 3 Exiting 2 8 help command 2 3 Instructions 2 1 Invoking 2 1 Prompt 2 2 Related documentation 1 1 Selecting processors for testing 2 4 Test contro commands 2 3 Index Using commands 2 3 Memory configuration table 2 1 R Removing and adding processors 2 8
28. iguous within the physical address space This is done so that blocks within the cache of one processor must be flushed out to memory when the corresponding block within the cache of another processor is read After memory has been initialized by all the processors each processor gets synchronized with the other processors and reads the contents of the other processor s caches The data read is not checked The read operations cause data within the processor performing the read to be flushed out to memory When all blocks from the other processors cache have been read ECC is enabled and the original data which was flushed out to memory is re read and checked to be correct If the test fails one of the following error messages will be displayed Data fault occurred accessing block at address Oxaaaaaaaa FVAR Oxbbbbbbbb This indicates that a data fault exception occurred when the cpu accessed address Oxaaaaaaaa mdg Tests 3 5 Solbourne Confidential Information Do Not Distribute ECCS fault occurred accessing block at address Oxaaaaaaaa FPAR Qxbbbbbbbb FES Oxcc This indicates that an ECC single bit exception occurred when the cpu accessed the cache block at address Oxaaaaaaaa Data error occurred at address Oxaaaaaaaa Pass N exp xeeeeeeee act Oxaaaaaaaa block contents 11111111 22222222 33333333 44444444 55555555 66666666 77777777 88888888 This indicates that the cpu read incorrect data at the speci
29. ing a unique data pattern for the processor it is allocated to The data pattern consists of an address tag in words 0 2 4 and 6 of the memory block and the BID of the processors which owns the memory block distributed across each nibble of words 1 and 5 Words 3 and 7 are initialized with the complement of the pattern in words 1 and 5 After memory has been initialized by all the processors each processor gets synchronized with the other processors and begins to read and check each the contents of the other processor s caches for the correct data This creates the desired kbus data request traffic An example error message is show below Data error detected by cpu X block address Oxbbbbbbbb word address Oxwwwwwwww exp xeeeeeeee act Oxaaaaaaaa block contents 11111111 22222222 33333333 44444444 55555555 66666666 77777777 88888888 Data belonged to cpu Y 3 8 Test 07 Cache Data Bus Pattern Test This test is similar to the Cache Data Request Test except that when each processor reads data from another processors cache a dirty cache block must first be flushed from the cache of the processor initiating the data request Each processor begins by initializing its allocated memory segment 64 Kbytes for Series4 128 Kbytes for Series5 with alternating walking ones and walking zeroes patterns in successive cache lines The memory segments allocated for each processor are equal in size to the cache size and segments are cont
30. lock Alias Test Test 05 Floating Point Store Test Test 06 Cache Data Request Test Test 07 Cache Data Bus Pattern Test Test 08 Interrupt Test 5 6 lt 1 gt For additional information on test execution see the tests 1 run 1 and menu 1 commands in Section 4 2 7 1 Variations of Test Execution This section discusses some of the basic variations that can be applied to test commands There are other variations than those given here Two results can occur during test execution The test can pass or the test can fail If the test passes the user can do any of the following e Tell the controller how many iterations to run using the passlim 1 command e Controls whether the test names are printed using the names 1 command e The user can also stop test execution at any time by entering a Control C CC Because of the difficulty controlling multi asynchronous CPUs mdg tests restart from the beginning when the loop 1 command is used Therefore eventhough the loop command is supported it is not practical for setting up a scope loop Instead it is recommended that a logic analyzer be used for evaluating failures If the test fails the user can do any of the following e If required remove other processors from the test e Skip to the next test in the selected sequence of tests using the next 1 command e Restart the entire sequence using the restart 1 command 2 8 Handling Test Failures Several of the com
31. lowing example illustrates how to change and re display the master processor 5 6 1 gt master 6 5 6 1 gt master Master CPU 6 5 6 1 gt SEE ALSO mdg 1 Solbourne Computer Inc 1 December 1988 dl MDG 1 UNIX Programmer s Manual MDG 1 NAME mdg description of the standalone multiprocessor diagnostic test controller SYNOPSIS mdg DESCRIPTION mdg is a standalone multiprocessor test controller The test controller provides the com mands necessary to randomly select and execute any of the available test programs on any or all of the processors in the system The operator has control over test execution and can command test programs to loop on error or repeat execution indefinitely The following is a list of the mdg commands with the shortest possible abbreviation in capital letters Command names and abbreviations are not case sensitive The acceptable commands follow bold uppercase letters represent the abbreviated usage of the command name Display summary of mdg commands between Set or display between count config Display system processor configuration continue Set or display continue on error flag cpus Select or display processors included in test cpulim Set or display processor specific memory test limits deposit Deposit data at specified address errlim Set or display error limit errors Display error count examine Examine contents of memory fbconfig Displays t
32. lt state of the print time flag is off no time printed If both the names flag and print time flag are on the time and date is printed on the line follow ing the test name during test execution OPTIONS on Turns on the print time flag off Turns off the print time flag EXAMPLES The following example causes the current print time flag to be displayed 5 6 1 gt time Tue Nov 22 14 20 00 1988 Time off 5 6 lt l gt gt The following example illustrates how the print time flag is changed and redisplayed 5 6 lt i gt gt time on 5 6 lt 1 gt gt time Tue Nov 22 14 20 00 1988 Time on 5 6 lt 1 gt gt SEE ALSO mdg 1 names 1 status 1 Solbourne Computer Inc 1 December 1988 mE 1 VMECONF 1 UNIX Programmer s Manual VMECONF 1 NAME vmeconf Configure VMEbus devices SYNOPSIS vmeconf DESCRIPTION vmeconf generates or displays the VMEbus configuration table When mdg is invoked it does not asks the user to generate a VMEbus configuration table Therefore if the user wishes to perform tests of the VMEbus chassis they must first execute this command vmeconf prompts for all user input It accepts no options or arguments at the command line Currently vmeconf supports the Ciprico Rimfire Excelan Ethernet and Plessy RAM boards EXAMPLE User input in the example is shown in boldface type The following example shows how vmeconf is used to remove an Exc
33. mands given in Section 4 that are used for test control can be used when test failures occur In the following example test 3 detects a failure and the loop and quiet commands are used to set up a scope loop 2 6 Getting Started with mdg Solbourne Confidential Information Do Not Distribute 5 6 lt 1 gt gt tests 4 run Starting Test 4 Cache Block Alias Test Tue Nov 22 14 58 04 1988 TEST 4 ERROR Tue Nov 22 14 58 10 1988 Data error at vaddr 0x08e000 paddr Oxff08e000 exp 0x058e000 act 0x0a21000 Fatal error Test s terminated 5 6 lt 1 gt gt Note that test 3 has displayed its error message which identified the failing test case and returned to the prompt If the user wishes to evaluate this test failure by setting up a logic analyzer the sequence of commands shown in the following illustration may be entered 5 6 lt l gt gt run Starting Test 4 Cache Block Alias Test Tue Nov 22 14 58 04 1988 TEST 4 ERROR Tue Nov 22 14 59 25 1988 Data error at vaddr 0x08e000 paddr Oxff08e000 exp 0x058e000 act 0x0a21000 Fatal error Test s terminated 5 6 lt 1 gt gt Note that test 3 has been re executed and has redisplayed the same error message This suggests the presence of a solid failure To speed up the loop and avoid having to reenter the run command the sequence of commands in the following illustration may be entered 5 6 lt 1 gt gt passlim 0 names off run
34. nge of processors number OPTIONS all Select all the available processors all can be specified at any time to reselect all processors cpu Select specified cpu If cpu is not specified the cpus command displays the current processor selection EXAMPLES User input in the examples is shown in boldface type The following example illustrates how to display the processor selection 5 6 lt 1 gt gt cpus selected cpus 5 6 5 6 lt i gt gt In the following example processor 5 is selected and then displayed 5 6 lt 1 gt gt cpus 5 6 5 lt 1 gt gt cpus selected cpus 5 6 5 lt 1 gt gt In the following example processors 6 and 5 are selected and displayed Note that pro cessors may be selected in any order 6 5 lt 1 gt gt cpus 6 5 5 6 lt 1 gt gt cpus selected cpus 6 5 5 6 lt 1 gt gt In the following example all processors are selected and displayed 5 6 lt 1 gt gt cpus all 5 6 lt 1 gt gt cpus selected cpus 5 6 5 6 1 gt Solbourne Computer Inc 1 December 1988 7 CPUS 1 UNIX Programmers Manual CPUS 1 SEE ALSO mdg 1 Solbourne Computer Inc December 1988 2 CPULIM 1 UNIX Programmer s Manual CPULIM 1 NAME cpulim Display or set processor specific memory test limits SYNOPSIS cpulim cpu low high reset DESCRIPTION cpulim displays or sets the processor specific private
35. nt state of all modes program flags and counters flags resets all the flags which includes names continue loop quiet and xbuf OPTION reset Resets the status of flags counts and limits to the default setting reset also resets the test selection back to default values flags X Resets the status of flags to the default settings EXAMPLE User input in the example is shown in boldface type 1156 1 gt status Tue Nov 22 12 45 20 1988 Names on Continue off Loop off Quiet off Time off Pass count 0 Pass limit 1 Error count 0 Error limit 0 Between count 1 5 6 1 gt SEE ALSO between 1 continue 1 ecc 1 errlim 1 errors 1 loop 1 mdg 1 names 1 passes 1 passlim 1 quiet 1 time 1 Solbourne Computer Inc 1 December 1988 ol TESTS 1 UNIX Programmer s Manual TESTS 1 NAME tests Select or display tests to be executed SYNOPSIS tests all test test test test DESCRIPTION tests select the tests for execution by the run 1 command By default all tests are selected for execution when the program is initialized Single tests or a range of tests may be selected by specifying the test numbers or range of tests number OPTIONS all Execute all the tests all can be specified at any time to reselect all tests test Execute specified test If test is not specified the tests command displays the current test selection EXAMPLES U
36. ollowing message Getting Started with mdg 2 1 Solbourne Confidential Information Do Not Distribute CPU Configuration 2 CPU boards Slot Power Up State Selected M 5 PASS YES 6 PASS YES In this example mdg found two processors in the system both passed power up diagnostics and as a result both were selected for inclusion in the list of available processors In the case of a processor failing power up diagnostics mdg will not include it as one of the SELECTED processors However mdg provides to the user the capability to attempt to include a processor that failed power up diagnostics at any time 2 3 The Prompt The mdg prompt follows the following format CPUs not included during test CPUs included during test lt Pass limit gt For example In a system with two processors in slots 5 and 6 with only the processor in slot 6 to be included during testing and the pass limit set to 1 the prompt to be displayed will be as follows 5 6 1 gt 24 Entering Commands mdg commands and parameters are case insensitive and mdg accepts input only when the prompt is displayed The rules for entering commands include e In general more than one command can be entered in a single command line to the prompt at the same time 5 6 1 gt tests 1 2 3 names on passlim 0 between 5 run The above command line selects tests 1 2 and 3 turns the printing of test names on sets the pass limit
37. ow ow NOTE x o X Error messages from one test are not valid if failures have occurred during previous tests The errors from a test must be corrected before advancing to the next test 3 2 Test 01 Atomic Load Store Test This test verifies the logic related to atomic load store unsigned byte instructions by having all processors involved in the test attempt to access and own a resource byte in memory for a predetermined number of iterations In a multiprocessor system two or more processors executing atomic load store instructions addressing the same byte simultaneously are guaranteed to execute them in some serial order Each processor attempts to lock this resource and assign a unique ownership identification its slot number to the locked resource Upon sucessfully locking the given byte the processor will assign its unique identification to this lock Other processors should not be able to lock this byte until it has been unlocked by this processor If after attempting to lock this byte a processor finds that it is its owner but the identification pattern is not its pattern an error condition is detected and reported For example mdg Tests 3 1 Solbourne Confidential Information Do Not Distribute Bad contents of lock exp 0x03 act 0x05 Upon test initialization the master processor insures that all involved processors register in order to proceed with the test If for some reason a processor is unable to register
38. rors occur so that the loop command may be entered OPTIONS on Turns on the loop flag off Turns off the loop flag EXAMPLES User input in the examples is shown in boldface type The following example causes the current loop flag do be displayed 5 6 lt 1 gt gt loop loop off 5 6 X1 gt The following example illustrates how the loop flag is changed and re displayed 5 6 lt 1 gt gt loop on 5 6 lt 1 gt gt loop loop on 5 6 15 gt SEE ALSO mdg 1 status 1 Solbourne Com puter Inc 1 December 1988 1 MASTER 1 UNIX Programmer s Manual MASTER 1 NAME master Set or display master processor SYNOPSIS master cpu DESCRIPTION master sets or displays the current master cpu of the system The master cpu is the pro cessor that is responsible for controlling all of mdg This processor is in charge of moni toring the other processors as well as handling any requests for service initiated by the these This command should be used when it is desired to have a specific processor control the mdg environment OPTION cpu Select specified cpu to be the master If cpu is not specified the master command displays the current master processor EXAMPLES User input in the examples is shown in boldface type The following example illustrates how to display the current master processor 5 6 1 gt master Master CPU 5 5 6 lt 1 gt gt The fol
39. ser input in the examples is shown in boldface type The following example illustrates how to display the test selection 5 6 lt 1 gt gt tests selected tests 1 2 3 5 6 lt 1 gt gt In the following example tests 1 and 2 are sclected and then displayed 5 6 lt 1 gt gt tests 1 2 5 6 lt 1 gt gt tests selected tests 1 2 5 6 lt 1 gt gt In the following example tests 3 through 1 are selected and displayed Note that tests may be selected to run in any order 5 6 lt 1 gt gt tests 3 1 5 6 lt 1 gt gt tests selected tests 3 2 1 5 6 lt 1 gt gt In the following example all installed tests are selected and displayed 5 6 lt 1 gt gt tests all 5 6 lt 1 gt gt tests selected tests 1 2 3 4 5 6 7 8 5 6 lt 1 gt gt Solbourne Computer Inc 1 December 1988 1 TESTS 1 UNIX Programmer s Manual TESTS 1 SEE ALSO mdg 1 next 1 restart 1 run 1 Solbourne Computer Inc 1 December 1988 2 TIME 1 UNIX Programmer s Manual TIME 1 NAME time Set or display print time flag SYNOPSIS time on off DESCRIPTION time sets or displays the print time flag If no parameters are specified time displays the current setting of the print time flag and the current time and data The print time flag controls whether the current time and date is printed when test names are displayed dur ing test execution The defau
40. signed decimal format and be between 0 and 2 147 483 647 inclusive EXAMPLES User input in the examples is shown in boldface type The following example illustrates how to display the current error limit 5 6 1 gt errlim Error limit 0 5 6 X15 gt The following example illustrates how to change and re display the error limit 5 6 1 gt errlim 100 5 6 lt 1 gt gt errlim Error limit 100 5 6 1 gt SEE ALSO errors 1 mdg 1 status 1 Solbourne Computer Inc 1 December 1988 1 ERRORS 1 UNIX Programmer s Manual ERRORS 1 NAME errors Display error count SYNOPSIS errors DESCRIPTION errors displays the number of test errors that have occurred since the last run 1 com mand EXAMPLE User input in the example is shown in boldface type The following example illustrates how to display the error count 5 6 lt 1 gt gt errors Total test errors 0 5 6 lt I gt gt SEE ALSO errlim 1 mdg 1 status 1 Solbourne Computer Inc 1 December 1988 1 EXAMINE 1 UNIX Programmer Manual EXAMINE 1 NAME examine Examine contents of memory SYNOPSIS examine b h w addr range DESCRIPTION examine reads data from the specified address or addresses OPTIONS bl hl w Specifies the width of the data to be examined b byte 8 bits eh half word 16 bits ew word 32 bits addr_range One of the following forms
41. t The following is a listing of the mdg commands available in this section between 1 config 1 continue 1 cpus 1 cpulim 1 deposit 1 errlim 1 errors 1 examine 1 fb config 1 halt 1 help 1 limit 1 loop 1 master 1 mdg 1 memconfig 1 menu 1 names 1 next 1 passes 1 passlim 1 prompt 1 quiet 1 quit 1 restart 1 run 1 status 1 time 1 tests 1 vmeconf 1 wake 1 Commands 4 1 BETWEEN 1 UNIX Programmer s Manual BETWEEN 1 NAME between Set or display between count SYNOPSIS between count DESCRIPTION between sets or displays the current setting of the between count between suppresses printing test completed messages to the screen until count passes have completed When the status 1 reset command is used the between count is reset to 1 OPTION count Specifies the number of test passes that must be completed before a completion message is displayed By default the between count is always set to 1 EXAMPLE User input in the example is shown in boldface type The following example illustrates how to set and redisplay the between count 5 6 lt 1 gt gt between 4 5 6 X1 gt between Between count 4 5 6 lt 1 gt gt SEE ALSO mdg 1 passlim 1 status 1 Solbourne Computer Inc 1 December 1988 EM 1 CONTINUE 1 UNIX Programmer s Manual CONTINUE 1 NAME continue Set or display continue on error flag
42. t 1 gt gt Processors that failed power up diagnostics are not automatically included for testing however by using the wake 1 command it may be possible to include processors that failed The ability for a processor to start mdg depends heavily on the type of failure it had during power up In that case where a slave processor that is requested to start mdg is unable to do so the master processor will timeout after a given time period For additional information on processor selection see the cpus and wake commands in section 4 2 7 Starting Test Execution When mdg is initially started all the tests are selected Tests are executed when the run 1 command is entered at the command line For example 5 6 1 gt tests run If the tests command is entered without an argument all the selected tests are displayed For example 5 6 1 gt tests selected tests 1 2 3 The test selection can be modified at any time the prompt is displayed For example 5 6 lt 1 gt gt tests 1 5 6 X1 gt tests selected tests 1 5 6 lt 1 gt gt The menu command identifies the test names or their functions For example Getting Started with mdg 2 5 Solbourne Confidential Information Do Not Distribute 5 6 X1 gt menu Menu of installed test programs Test 01 Atomic Load Store Test Test 02 Memory Data RAM Test Test 03 Shared Memory Pattern Test Test 04 Cache B
43. test execution OPTIONS on Enables the printing of the test names during test execution This is the default setting off Disables the printing of the test names during test execution EXAMPLES User input in the examples is shown in boldface type The following example causes the state of the name flag to be displayed 5 6 15 gt names names on 5 6 lt 1 gt gt The following example illustrates how the names flag is changed and redisplayed 5 6 lt 1 gt gt names off 5 6 lt 1 gt gt names names off 5 6 lt 1 gt gt SEE ALSO mdg 1 status 1 Solbourne Computer Inc 1 December 1988 1 NEXT 1 NAME UNIX Programmer s Manual next Execute next selected test SYNOPSIS next DESCRIPTION NEXT 1 next causes the test sequence to be continued starting with the next selected test It is used when a test halts on an error and the user wishes to continue test execution with the next test in the sequence EXAMPLE User input in the example is shown in boldface type In the following example run was entered to begin test execution The current test selec tion was executed until an error was encountered in test 1 next was entered to continue the test sequence starting with the next test in the sequence SEE ALSO between 1 errlim 1 mdg 1 passlim 1 restart 1 run 1 Solbourne Computer Inc 5 6 lt 1 gt gt run Starting Test 1 tes
44. the examples is shown in boldface type In the following example memconfig is entered at the prompt The contents of the memory configuration table is displayed 5 6 lt 1 gt gt memconfig Memory Configuration 2 boards totaling 32 Mbytes Slot 1 16 Mbytes Base address 00000000 Slot 2 16 Mbytes Base address 01000000 5 6 1 gt SEE ALSO mdg 1 Solbourne Computer Inc 1 December 1988 1 MENU 1 UNIX Programmer s Manual MENU 1 NAME menu Display listing of available tests SYNOPSIS menu DESCRIPTION menu lists the names of all available tests in the default order of execution menu displays tests in the default order of execution EXAMPLE User input in the example is shown in boldface type The following example displays the list of installed tests 5 6 1 gt menu Menu of installed test programs Test 01 Atomic Load Store Test Test 02 Memory Data RAM Test Test 03 Shared Memory Pattern Test Test 04 Cache Block Alias Test Test 05 Floating Point Store Test Test 06 Cache Data Request Test Test 07 Cache Data Bus Pattern Test Test 08 Interrupt Test 5 6 1 gt SEE ALSO mdg 1 tests 1 Solbourne Computer Inc 1 December 1988 1 NAMES 1 UNIX Programmer s Manual NAMES 1 NAME names Enable or disable printing of test names during test execution SYNOPSIS names on off DESCRIPTION names enables or disables the printing of test names during
45. tname Test 1 error error message 5 6 lt 1 gt gt next Starting Test 2 testname Starting Test n testname Tests completed Passes 1 5 6 1 gt Errors 1 December 1988 1 Tue Nov 22 14 58 04 1988 PASSES 1 UNIX Programmer s Manual PASSES 1 NAME passes Display pass count SYNOPSIS passes DESCRITTION passes displays the number of complete test passes that have made since the last run command EXAMPLE User input in the example is shown in boldface type The following example illustrates how to use the passes command 5 6 1 gt passes Total passes 0 5 6 1 gt SEE ALSO mdg 1 passlim 1 Solbourne Computer Inc 1 December 1988 1 PASSLIM 1 UNIX Programmer s Manual J PASSLIM 1 NAME passlim Set or display pass limit SYNOPSIS passlim limit DESCRIPTION passlim sets or displays the current setting of the test pass limit passlim specifies the number of test passes that can occur before test execution is halted This command should be used when it is desired to execute numerous passes of the test sequence OPTION limit Sets the number of test passes that will be run By default limit is set to one Limit must be entered in unsigned decimal format in the range to 2 147 483 647 inclusive A limit of 0 specifies that tests execute continuously until a Control C is entered EXAMPLES User input in the examples is shown in bold
46. to 0 no passlim the between count is set to 5 and begins test execution with the run command e Commands that process user input in an interactive mode such as the vmeconf 1 and fbconfig 1 cause commands that follow on the command line to be ignored e Commands must be separated by white space s including tabs or spaces Semicolons are not recognized by mdg as spaces 2 2 Getting Started with mdg Solbourne Confidential Information Do Not Distribute If any of the command s entered return an error condition all following commands are ignored and the prompt is redisplayed If a command is unrecognized by mdg the following is displayed Unknown command command name All command lines are terminated by a Return Some commands may display additional error messages if numeric values are entered incorrectly or if the numeric values are not legal These messages identify the value that is out of range for example illegal address value given If an illegal value is given additional information may be displayed that identifies the legal range of values Memory and I O addresses and contents must be entered in hexidecimal format Any value that has to do with hardware must also be entered in hexidecimal e g register data memory address or memory data Counters and test numbers should be entered in decimal format e g counts and limits The mdg help 1 command can be used any time the prompt is displayed
47. unique physical to virtual mapping within the MMU When the physical block is accessed using a different virtual address the MMU must break the existing physical to virtual mapping write the data block to its physical location in memory and re read it into the cache at the new virtual index This creates the new physical to virtual mapping This test insures that the MMU logic which detects the purge condition is operational and that the data unique for each processor and for each physical page is correctly transferred between the cache and the memory system among all the processors For Series5 Since the Series5 processor does not have a virtual physical cache this test simply exercises the TLB and cache Possible error message mdg Tests 3 3 Solbourne Confidential Information Do Not Distribute Data error at vaddr 0x8e000 paddr Oxff08e000 exp 0x058e000 act 0x0a21000 Upon test initialization the master processor insures that all involved processors register in order to proceed with the test If for some reason a processor is unable to register to the master processor the master will report this as an error condition as follows Processor does not register Processor 5 If the prompt flag for this test is set the test prints out status messages that indicate which physical and logical addresses are being used however this slows down execution 3 6 Test 05 Floating Point Store Test This test is executed

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