[Bug 191171] New: megaraid_sas fails to recognize RAID on startup, worked with version 4.1.20

[Bug 191171] New: megaraid_sas fails to recognize RAID on startup, worked with version 4.1.20

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=191171

            Bug ID: 191171
           Summary: megaraid_sas fails to recognize RAID on startup,
                    worked with version 4.1.20
           Product: SCSI Drivers
           Version: 2.5
    Kernel Version: 4.1.36
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Other
          Assignee: scsi_drivers-other@kernel-bugs.osdl.org
          Reporter: blancpa@worldcom.ch
        Regression: No

Created attachment 248561
  --> https://bugzilla.kernel.org/attachment.cgi?id=248561&action=edit
Boot with kernel 4.1.36 which fails to see RAID

After a kernel update made by openSuSE Leap 42.1 on-line update and a reboot,
the kernel didn't find anymore the RAID.
Rebooting with previous kernel (4.1.20) fixed the problem.
See attached journalctl logs (fail & working)

Hardware environment:
- Intel Xeon E5-2650 v2
- Intel C602 Patsburg-A chipset
- 128 GB RAM
- LSI MegaRAID 9261-8i SAS-2 RAID Controller, PCIe 2.0 (512Mb RAM)

OS:
- openSuSE Leap 42.1

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[Bug 191171] megaraid_sas fails to recognize RAID on startup, worked with version 4.1.20

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=191171

--- Comment #1 from Pierre-Alain Blanc <blancpa@worldcom.ch> ---
Created attachment 248571
  --> https://bugzilla.kernel.org/attachment.cgi?id=248571&action=edit
Boot with kerrnel 4.1.20 which works

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[Bug 191171] megaraid_sas fails to recognize RAID on startup, worked with version 4.1.20

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=191171

kashyap <kashyap.desai@avagotech.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |kashyap.desai@avagotech.com

--- Comment #2 from kashyap <kashyap.desai@avagotech.com> ---
(In reply to Pierre-Alain Blanc from comment #1)
> Created attachment 248571 [details]
> Boot with kerrnel 4.1.20 which works

You need  5e5ec1759dd6 ("scsi: megaraid_sas: fix macro MEGASAS_IS_LOGICAL to
avoid regression") PATCH.

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[Bug 191171] megaraid_sas fails to recognize RAID on startup, worked with version 4.1.20

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=191171

--- Comment #3 from Pierre-Alain Blanc <blancpa@worldcom.ch> ---
(In reply to kashyap from comment #2)
> (In reply to Pierre-Alain Blanc from comment #1)
> > Created attachment 248571 [details]
> > Boot with kerrnel 4.1.20 which works
> 
> You need  5e5ec1759dd6 ("scsi: megaraid_sas: fix macro MEGASAS_IS_LOGICAL to
> avoid regression") PATCH.

OK. Many thanks for your very fast reply ! 
Since my system does work with the "old" kernel, I would like to wait for the
patch to be included in next version. Is it OK for you or do you want/need me
to test the patch on the 4.1.36 ?

Note: sorry not to have posted the bug report on the openSuSE site.

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