Release Notes
Contents
1. he LPFC driver package is installed and upon a reboot an incorrect initial ramdisk will be used The system might not boot correctly Workaround Use the GRUB Boot Loader GRUB works correctly with the driver package s installation script GRUB is the default boot loader of most of the Linux distributions LILO is an older boot loader used on i386 and x86_ 64 architectures only 4 Issue with the LPFC module order in the INITRD MODULES list On the SLES10 system if another SCSI driver such as aic79xx is loaded immediately after the LPFC driver through the initrd image an interruption might occur in the SCSI mid layer discovery process on the LUNs connected to LPFC s Fibre Channel This interruption can prevent the release of the SCSI discovery reference count and the LPFC driver cannot unload Workaround Do not add SCSI drivers immediately after the LPFC module in the INITRD_MODULES list 5 The Suspend to Disk and Resume Support feature is not supported in the LPFC driver If you attempt to suspend to disk using the command echo disk gt sys power state the LPFC driver encounters a kernel Oops Workaround There is no workaround at this time The sysfs parameter sys power state is used to suspend and resume the system The LPFC driver does not support this sysfs parameter Do not attempt to use this sysfs parameter when the LPFC driver is loaded 6 Deleted virtual ports may appear to be mounted but are inaccessible Whi2. ifier VPI Corrected an issue where registering a VPI after an NPortID change of a vport failed with status 0x20 Known Issues in the Driver for Linux 1 PCI Hot Plug may cause applications to malfunction Performing a PCI Hot Plug may cause the HBAnyware utilities or third party applications that use the Emulex libraries i e HBAAPI to behave unpredictably or malfunction Workaround 1 Stop all applications that are accessing LPFC s HBAAPI interface HBAnyware utilities or third party applications before performing PCI Hot Plug of an LPFC HBA Use the following command to stop the HBAnyware application usr sbin nhbanyware stop_hbanyware 2 Perform the PCI Hot Plug of the HBA 3 Restart the application 2 Deleting virtual ports or performing a PCI Hot Unplug may result in SCSI errors When you delete a virtual port via the sysfs interface or perform a PCI Hot Unplug of an Emulex HBA the kernel may report one of the following errors kernel Synchronizing SCSI cache for disk kernel FAILED or SCSI error return code 0x00010000 Emulex Technical Support Phone 800 854 7112 Part Number P005452 01A Rev A Page 1 of 3 gt lt EMULEX Workaround These messages do not indicate a functional failure and can be ignored 3 LILO Boot Loader is not supported for i386 and x86_64 architectures The LILO Boot Loader on i386 and x86_ 64 architectures is not supported for this driver stream After the LILO boot loader is used t
3. istribution kernels the output of the Linux distribution Ispci utility incorrectly identifies the LPe12000 HBA as an Unknown device Example 0b 00 0 Fibre Channel Emulex Corporation Unknown device f100 rev 01 Workaround There is no workaround at this time The Linux distribution Ispci utility on RHEL5 and SLES10 SP 1 distribution kernels do not yet recognize the LPe12000 HBA Copyright 2003 2010 Emulex All rights reserved worldwide No part of this document may be reproduced by any means or translated to any electronic medium without the prior written consent of Emulex Information furnished by Emulex is believed to be accurate and reliable However no responsibility is assumed by Emulex for its use or for any infringements of patents or other rights of third parties which may result from its use No license is granted by implication or otherwise under any patent copyright or related rights of Emulex Emulex the Emulex logo AutoPilot Installer AutoPilot Manager BlockGuard Connectivity Continuum Convergenomics Emulex Connect Emulex Secure EZP ilot FibreS py HBAnyware InSpeed LightP ulse MultiP ulse OneCommand OneConnect One Network One Company SBOD SLI and VEngine are trademarks of Emulex All other brand or product names referenced herein are trademarks or registered trademarks of their respective companies or organizations Emulex provides this manual as is without any warranty of any kind either expres
4. le Emulex provides management utilities to enable you to delete virtual ports the LPFC driver cannot detect whether devices accessed through a virtual port are in use You can delete a virtual port even when devices accessible through the virtual port are mounted or when I O is outstanding to the device If file systems are mounted on a virtual port and that virtual port is deleted the file systems still appear to be mounted but are not be accessible Workaround Before deleting virtual ports prepare the system affected by unmounting all the devices accessible through the virtual ports and verifying that there is no outstanding I O 7 4 Gb s HBAs in virtualized environments that use Direct I O or SFPT do not initialize Default driver configuration fails to initialize 4 Gb s HBAs in virtualized environments that use Direct I O or SFPT Storage Fixed Pass through This may result in a system hang or uninitialized LPFC HBA in Intel VT d and AMD V IOMMU systems Workaround Load the LPFC driver with the following driver parameters set Ipfc_hostmem_hgp 1 lpfc_sli_mode 2 For example modprobe Ipfc Ipfc_hostmem 1 Ipfc_sli_mode 2 Note A side effect of this workaround is that virtual ports are no longer be supported by the LPFC driver when Ipfc_sli_mode is set to 2 8 Potential error messages when removing the driver kit The driver kit removal process uses the Ipfc install u command The previous in box LPFC driver version was saved a
5. s part of the driver kit install process The Ipfc install u restores and activates the in box LPFC driver However the driver kit uninstallation process does not remove any entries in the Linux distribution configuration file modprobe conf As such parameters that would have been valid for the just removed driver version and entered in the modprobe conf file are also used to load the just restored in box driver version This can create problems if these two conditions exist e The just removed driver version includes module parameters that did not exist in the older just restored driver version and Emulex Technical Support P hone 800 854 7112 Part Number P005452 01A Rev A Page 2 of 3 gt lt EMULEX e One or more of these module parameters are included in the configuration file modprobe conf Errors appear similar to the following Loading LPFC Driver FATAL Error inserting Ipfc lib modules lt kernel_revision gt kernel drivers scsi lpfc lpfc ko Unknown symbol in module or unknown parameter see dmesg Workaround Remove all entries in the Linux configuration file modprobe conf that list the LPFC driver module parameters that is entries that begin with options Ipfc Then uninstall the driver kit Note To find the module parameters supported by a LPFC driver module run the following command modinfo lt driver_dir gt lpfc ko LPe12000 HBA may be identified as an Unknown Device On RHEL5 and SLES10 SP1 d
6. sed or implied including but not limited to the implied warranties of merchantability or fitness for a particular purpose Emulex may make improvements and changes to the product described in this manual at any time and without any notice Emulex assumes no responsibility for its use nor for any infringements of patents or other rights of third parties that may result Periodic changes are made to information contained herein although these changes will be incorporated into new editions of this manual Emulex disclaims any undertaking to give notice of such changes Emulex 3333 Susan Street Costa Mesa CA 92626 Emulex Technical Support P hone 800 854 7112 Part Number P005452 01A Rev A Page 3 of 3
7. y EMULEX A Release Notes Date March 2010 Product Driver for Linux Version FC and FCoE version 8 2 0 66 NIC version 2 101 462 0 iSCSI version 2 101 462 0 This document describes the new features resolved known issues and current known issues associated with this driver build release For the latest product documentation go to www Emulex com If you have any questions or require additional information contact an authorized Emulex Corporation technical support representative Note The Emulex Driver for Linux User Manual which supports FC and FCoE version 8 2 0 63 NIC version 2 101 374 0 and iSCSI version 2 101 374 0 drivers also supports FC and FCoE version 8 2 0 66 NIC version 2 101 462 0 and iSCSI version 2 101 462 0 drivers These release notes cover differences between the versions New Features in the Driver for Linux 1 Supports the OCe1110x x OneConnect Universal Converged Network Adapters UCNA BE3 architecture Resolved Issues in the Driver for Linux 1 Added the capability for displaying the Quality of Service QOS link speed 2 Resolved issues for an Nport ID change after a Clear Virtual Link operation Corrected the issue that the driver does not support NPort ID change after a CVL 3 Removed checking for class specific parameters for a fabric login FLOGI Addressed a direct connect issue with the LTO5 tape drive 4 Added init_vpi mailbox command before re registering a virtual path ident
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