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MDS diagnostics fail because of frame count mismatch. Unavailability of SGL is the trigger for this issue. If ELS SGL is not available to process MDS frame, IOCB is put in FCP txq but not attempted to post afterwards. So, driver stops processing incoming frames as it runs out of IOCB. lpfc_drain_txq attempts to submit IOCBS that are queued in ELS txq but MDS frames are posted to FCP WQ. Attempt to submit IOCBs that are present in FCP txq when MDS loopback is running. Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com> Signed-off-by: James Smart <james.smart@broadcom.com> Reviewed-by: Hannes Reinecke <hare@suse.com> 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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.