From: Mark Salter <msalter@redhat.com>
To: Laurent Dufour <ldufour@linux.vnet.ibm.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Christoph Hellwig <hch@infradead.org>
Cc: "James E. J. Bottomley" <JBottomley@odin.com>,
brking <brking@us.ibm.com>,
linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, linux-block@vger.kernel.org
Subject: Re: kernel BUG at drivers/scsi/scsi_lib.c:1096!
Date: Fri, 20 Nov 2015 08:37:02 -0500 [thread overview]
Message-ID: <1448026622.3974.28.camel@redhat.com> (raw)
In-Reply-To: <564F188F.4080502@linux.vnet.ibm.com>
On Fri, 2015-11-20 at 13:56 +0100, Laurent Dufour wrote:
> On 20/11/2015 13:10, Michael Ellerman wrote:
> > On Thu, 2015-11-19 at 00:23 -0800, Christoph Hellwig wrote:
> >
> > > It's pretty much guaranteed a block layer bug, most likely in the
> > > merge bios to request infrastucture where we don't obey the merging
> > > limits properly.
> > >
> > > Does either of you have a known good and first known bad kernel?
> >
> > Not me, I've only hit it one or two times. All I can say is I have hit it in
> > 4.4-rc1.
> >
> > Laurent, can you narrow it down at all?
>
> I'm trying bisect it but it's very time consuming, and I think I missed
> some bad kernel because I didn't let enough time to the system to panic.
>
> But I'm still on...
>
I usually hit it at boot time. Maybe one out of five times. I'll take a stab
at bisecting today...
next prev parent reply other threads:[~2015-11-20 13:37 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-18 9:18 kernel BUG at drivers/scsi/scsi_lib.c:1096! Michael Ellerman
2015-11-18 11:06 ` Laurent Dufour
2015-11-18 11:10 ` Michael Ellerman
2015-11-18 11:17 ` Laurent Dufour
2015-11-18 14:03 ` Mark Salter
2015-11-19 1:02 ` Michael Ellerman
2015-11-19 8:23 ` Christoph Hellwig
2015-11-19 15:35 ` Hannes Reinecke
2015-11-19 15:35 ` Hannes Reinecke
2015-11-20 14:38 ` Ewan Milne
2015-11-20 14:55 ` Hannes Reinecke
2015-11-20 14:55 ` Hannes Reinecke
2015-11-20 15:28 ` Ewan Milne
2015-11-23 6:55 ` Hannes Reinecke
2015-11-23 6:55 ` Hannes Reinecke
2015-11-25 9:04 ` Hannes Reinecke
2015-11-25 17:56 ` Jens Axboe
2015-11-25 17:56 ` Jens Axboe
2015-11-25 19:10 ` Hannes Reinecke
2015-11-25 19:24 ` Jens Axboe
2015-11-25 19:24 ` Jens Axboe
2015-11-25 20:23 ` Mike Snitzer
2015-11-25 21:20 ` Mike Snitzer
2015-11-25 18:01 ` Mike Snitzer
2015-11-25 19:01 ` Hannes Reinecke
2015-11-25 19:01 ` Hannes Reinecke
2015-12-04 16:59 ` Takashi Iwai
2015-12-04 16:59 ` Takashi Iwai
2015-12-04 17:02 ` Jens Axboe
2015-12-04 17:02 ` Jens Axboe
2015-12-04 17:09 ` Takashi Iwai
2015-12-04 17:09 ` Takashi Iwai
2015-11-20 12:10 ` Michael Ellerman
2015-11-20 12:56 ` Laurent Dufour
2015-11-20 13:37 ` Mark Salter [this message]
2015-11-21 11:30 ` Laurent Dufour
2015-11-21 11:30 ` Laurent Dufour
2015-11-21 16:56 ` Ming Lei
2015-11-21 16:56 ` Ming Lei
2015-11-22 23:20 ` Mark Salter
2015-11-23 0:36 ` Ming Lei
2015-11-23 1:50 ` Mark Salter
2015-11-23 1:50 ` Mark Salter
2015-11-23 2:46 ` Ming Lei
2015-11-23 15:21 ` Ming Lei
2015-11-23 15:21 ` Ming Lei
2015-11-24 18:59 ` Alan Ott
2015-11-24 18:59 ` Alan Ott
2015-11-24 18:59 ` Alan Ott
2015-11-23 13:57 ` Laurent Dufour
2015-11-23 13:57 ` Laurent Dufour
2015-11-23 15:13 ` Pratyush Anand
2015-11-23 15:20 ` Laurent Dufour
2015-11-23 15:27 ` Ming Lei
2015-11-23 16:24 ` Laurent Dufour
2015-11-24 1:30 ` Mark Salter
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