Re: 4.1.36 regression with LSI MegaRAID

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On Mon, 12 Dec 2016 12:02:49 +0100,
Takashi Iwai wrote:
> 
> On Mon, 12 Dec 2016 11:48:17 +0100,
> Thomas Backlund wrote:
> > 
> > Den 12-12-2016 kl. 12:00, skrev Takashi Iwai:
> > > Hi,
> > >
> > > we've got a bug report about the regression of 4.1.x kernel with LSI
> > > MegaRAID devices.  It doesn't boot any longer.
> > >   https://bugzilla.opensuse.org/show_bug.cgi?id=1014943
> > >
> > > The culprit seems to be the commit
> > > 9a9a2373142ac2c6fd9df9d038eb929b919e30d7
> > >     scsi: megaraid_sas: Fix data integrity failure for JBOD
> > >     (passthrough) devices
> > > (Upstream commit 1e793f6fc0db920400574211c48f9157a37e3945)
> > >
> > > and reverting this seems fixing the issue.
> > >
> > > Sasha, could you revert this commit?
> > 
> > Or better... fix it by adding the needed commit:
> > 
> > 5e5ec1759dd663a1d5a2f10930224dd009e500e8
> > 
> > that fixes the regression
> 
> Oh thanks, that looks better.  I'll ask the bug reporters to test the
> patch.

It was confirmed that the patch fixes the issue.
So please cherry-pick that commit for 4.1.x.


thanks,

Takashi
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