linux-kernel - Re: kernel BUG at drivers/scsi/scsi

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Message-ID: <1448328614.8209.45.camel@redhat.com>
Date:	Mon, 23 Nov 2015 20:30:14 -0500
From:	Mark Salter <msalter@...hat.com>
To:	Ming Lei <ming.lei@...onical.com>,
	Laurent Dufour <ldufour@...ux.vnet.ibm.com>
Cc:	Pratyush Anand <panand@...hat.com>, linux-block@...r.kernel.org,
	Linux SCSI List <linux-scsi@...r.kernel.org>,
	"James E. J. Bottomley" <JBottomley@...n.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Christoph Hellwig <hch@...radead.org>,
	brking <brking@...ibm.com>, linuxppc-dev@...ts.ozlabs.org
Subject: Re: kernel BUG at drivers/scsi/scsi_lib.c:1096!

On Mon, 2015-11-23 at 23:27 +0800, Ming Lei wrote:
> On Mon, Nov 23, 2015 at 11:20 PM, Laurent Dufour
> <ldufour@...ux.vnet.ibm.com> wrote:
> > > 
> > > Reverting above commit on top if 4.4-rc1 seems to fix the problem for me.
> > 
> > That's what I mentioned earlier ;)
> > 
> > Now Ming send an additional patch with seems to fix the bug introduced
> > through the commit bdced438acd8. When testing with this new patch I
> > can't get the panic anymore, but Mark reported he is still hitting it.
> 
> Laurent, thanks for your test on the 1st patch, and looks there are at
> least two problems, and my 2nd patch sent just now should address
> Mark's issue which is caused by bdced438acd83a.
> 
> Once the 2nd one is tested OK, I will send out the two together.
> 
> Thanks,
> Ming

Thanks Ming.
With both patches applied, I have been unable to reproduce the problem.

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