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The initial lpfc_desc_set_adisc implementation in commitdea3101e0a("lpfc: add Emulex FC driver version 8.0.28") enabled ADISC if cfg_use_adisc && RSCN_MODE && FCP_2_DEVICE In commit92d7f7b0cd("[SCSI] lpfc: NPIV: add NPIV support on top of SLI-3") this changed to (cfg_use_adisc && RSC_MODE) || FCP_2_DEVICE and later in commitffc954936b("[SCSI] lpfc 8.3.13: FC Discovery Fixes and enhancements.") to (cfg_use_adisc && RSC_MODE) || (FCP_2_DEVICE && FCP_TARGET) A customer reports that after a devloss, an ADISC failure is logged. It turns out the ADISC flag is set even the user explicitly set lpfc_use_adisc = 0. [Sat Dec 22 22:55:58 2018] lpfc 0000:82:00.0: 2:(0):0203 Devloss timeout on WWPN 50:01:43:80:12:8e:40:20 NPort x05df00 Data: x82000000 x8 xa [Sat Dec 22 23:08:20 2018] lpfc 0000:82:00.0: 2:(0):2755 ADISC failure DID:05DF00 Status:x9/x70000 [mkp: fixed Hannes' email] Fixes:92d7f7b0cd("[SCSI] lpfc: NPIV: add NPIV support on top of SLI-3") Cc: Dick Kennedy <dick.kennedy@broadcom.com> Cc: James Smart <james.smart@broadcom.com> Link: https://lore.kernel.org/r/20191022072112.132268-1-dwagner@suse.de Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: James Smart <james.smart@broadcom.com> Signed-off-by: Daniel Wagner <dwagner@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.