[Bug 156321] New: mpt3sas timeout with xen, works only with mpt3sas.msix_disable=1 (SAS3008 card)

[Bug 156321] New: mpt3sas timeout with xen, works only with mpt3sas.msix_disable=1 (SAS3008 card)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=156321

            Bug ID: 156321
           Summary: mpt3sas timeout with xen, works only with
                    mpt3sas.msix_disable=1 (SAS3008 card)
           Product: SCSI Drivers
           Version: 2.5
    Kernel Version: 4.6.0-1-amd64 (debian-kernel@lists.debian.org)
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Other
          Assignee: scsi_drivers-other@kernel-bugs.osdl.org
          Reporter: john.wyzer@gmx.de
        Regression: No

At the moment I've only tested the kernel version cited above. The hardware in
question is a SAS3008 card.

When I start the the machine without loading Xen, the mpt3sas driver works just
fine. 
When Xen is loaded, different timeouts occur during I/O.

For simplicity I'm citing the trace from
https://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=migr-5099120 :

[Â Â 618.160182] mpt3sas0: _base_event_notification
[Â Â 648.160097] mpt3sas0: _base_event_notification: timeout
[Â Â 648.160103] mf:
07000000 00000000 00000000 00000000 00000000 0f2f7fff ffffff7c ffffffff
ffffffff 00000000 00000000
[Â Â 648.160117] mpt3sas0: mpt3sas_base_free_resources
[Â Â 648.160122] mpt3sas0: _base_make_ioc_ready
[Â Â 648.160125] mpt3sas0: sending message unit reset !!
[Â Â 648.168091] mpt3sas0: message unit reset: SUCCESS
[Â Â 648.168098] mpt3sas0: mpt3sas_base_unmap_resources
[Â Â 648.169040] mpt3sas0: _base_release_memory_pools
[Â Â 648.170854] mpt3sas0: request_pool(0xffff8800eae00000): free
[Â Â 648.171770] mpt3sas0: sense_pool(0xffff8800f8400000): free
[Â Â 648.173718] mpt3sas0: reply_pool(0xffff8801bba00000): free
[Â Â 648.173786] mpt3sas0: reply_free_pool(0xffff8800eeeb0000): free
[Â Â 648.173789] mpt3sas0: reply_post_free_pool(0xffff8800f9400000): free
[Â Â 648.173792] mpt3sas0: reply_post_free_pool(0xffff8801bb900000): free
[Â Â 648.176634] mpt3sas0: config_page(0xffff8801cc620000): free
[Â Â 649.490617] mpt3sas0: failure at mpt3sas_scsih.c:11439/_scsih_probe()!

I don't know if the trace is exactly the same but I remember the
"base_event_notification: timeout".

As the bug report on ibm.com cited above mentions, booting with
mpt3sas.msix_disable=1 solves the problem for the time being.

https://forums.servethehome.com/index.php?threads/lsi9211-8i-on-ubuntu-15-10-timeouts.8820/page-2
mentions the same problem in connection with Vmware ESXi.

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[Bug 156321] mpt3sas timeout with xen, works only with mpt3sas.msix_disable=1 (SAS3008 card)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=156321

Sreekanth Reddy <sreekanth.reddy@broadcom.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |sreekanth.reddy@broadcom.co
                   |                            |m

--- Comment #1 from Sreekanth Reddy <sreekanth.reddy@broadcom.com> ---
Hi John,

Can you please try once with latest Phase13 SAS3008 HBA firmware.

Thanks,
Sreekanth

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[Bug 156321] mpt3sas timeout with xen, works only with mpt3sas.msix_disable=1 (SAS3008 card)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=156321

--- Comment #2 from john.wyzer@gmx.de ---
Hi, Sreekanth!

I'm sorry - I was a bit too little specific:

The physical card in question is a "LSI 9300-8i". I took the SAS3008 from the
lspci output which I considered to be more generic.

The firmware in used is the latest available from
http://www.avagotech.com/products/server-storage/host-bus-adapters/sas-9300-8i#downloads
which is P12 from April 2016.

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[Bug 156321] mpt3sas timeout with xen, works only with mpt3sas.msix_disable=1 (SAS3008 card)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=156321

--- Comment #3 from Sreekanth Reddy <sreekanth.reddy@broadcom.com> ---
Hi John,

Recently our FW team has fixed this type of issue in the Firmware. Maybe this
fix went in the Phase13 FW. So you may need to wait to some more time until
this Phase13 FW is available for outside.

Thanks,
Sreekanth

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[Bug 156321] mpt3sas timeout with xen, works only with mpt3sas.msix_disable=1 (SAS3008 card)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=156321

--- Comment #4 from john.wyzer@gmx.de ---
Thanks. I will keep an eye open for the new firmware to be published and will
report back here.

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[Bug 156321] mpt3sas timeout with xen, works only with mpt3sas.msix_disable=1 (SAS3008 card)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=156321

jwzr <john.wyzer@gmx.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |OBSOLETE

--- Comment #5 from jwzr <john.wyzer@gmx.de> ---
With the latest revision of the firmware (P13) this is no longer an issue.

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