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Re: kernel BUG at drivers/scsi/scsi_lib.c:1096!

From Hannes Reinecke <hare@suse.de>
Newsgroups linux.kernel
Subject Re: kernel BUG at drivers/scsi/scsi_lib.c:1096!
Date 2015-11-23 08:00 +0100
Message-ID <qxTgt-6Hn-5@gated-at.bofh.it> (permalink)
References (3 earlier) <qwsLo-6Qc-9@gated-at.bofh.it> <qwztx-2Iv-35@gated-at.bofh.it> <qwV0Z-8qz-11@gated-at.bofh.it> <qwVu2-q6-25@gated-at.bofh.it> <qwVNn-xS-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 11/20/2015 04:28 PM, Ewan Milne wrote:
> On Fri, 2015-11-20 at 15:55 +0100, Hannes Reinecke wrote:
>> Can't we have a joint effort here?
>> I've been spending a _LOT_ of time trying to debug things here, but
>> none of the ideas I've come up with have been able to fix anything.
>
> Yes.  I'm not the one primarily looking at it, and we don't have a
> reproducer in-house.  We just have the one dump right now.
>
Oh, I got plenty of them :-(

>>
>> I'm almost tempted to increase the count from scsi_alloc_sgtable()
>> by one and be done with ...
>>
>
> That might not fix it if it is a problem with the merge code, though.
>
Of course not. But it'll be a band-aid to keep the customer happy.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		               zSeries & Storage
hare@suse.de			               +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)

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Thread

kernel BUG at drivers/scsi/scsi_lib.c:1096! Michael Ellerman <mpe@ellerman.id.au> - 2015-11-18 10:20 +0100
  Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Mark Salter <msalter@redhat.com> - 2015-11-18 15:10 +0100
    Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Michael Ellerman <mpe@ellerman.id.au> - 2015-11-19 02:10 +0100
      Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Christoph Hellwig <hch@infradead.org> - 2015-11-19 09:30 +0100
        Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Hannes Reinecke <hare@suse.de> - 2015-11-19 16:40 +0100
          Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Ewan Milne <emilne@redhat.com> - 2015-11-20 15:40 +0100
            Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Hannes Reinecke <hare@suse.de> - 2015-11-20 16:10 +0100
              Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Ewan Milne <emilne@redhat.com> - 2015-11-20 16:30 +0100
                Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Hannes Reinecke <hare@suse.de> - 2015-11-23 08:00 +0100
                Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Hannes Reinecke <hare@suse.de> - 2015-11-25 10:10 +0100
                Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Jens Axboe <axboe@fb.com> - 2015-11-25 19:00 +0100
                Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Hannes Reinecke <hare@suse.de> - 2015-11-25 20:20 +0100
                Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Jens Axboe <axboe@fb.com> - 2015-11-25 20:30 +0100
                Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Mike Snitzer <snitzer@redhat.com> - 2015-11-25 21:30 +0100
                Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Mike Snitzer <snitzer@redhat.com> - 2015-11-25 22:30 +0100
                Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Mike Snitzer <snitzer@redhat.com> - 2015-11-25 19:10 +0100
                Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Hannes Reinecke <hare@suse.de> - 2015-11-25 20:10 +0100
        Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Michael Ellerman <mpe@ellerman.id.au> - 2015-11-20 13:20 +0100
          Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Laurent Dufour <ldufour@linux.vnet.ibm.com> - 2015-11-20 14:00 +0100
            Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Mark Salter <msalter@redhat.com> - 2015-11-20 14:40 +0100
          Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Laurent Dufour <ldufour@linux.vnet.ibm.com> - 2015-11-21 12:40 +0100
            Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Ming Lei <ming.lei@canonical.com> - 2015-11-21 18:00 +0100
              Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Mark Salter <msalter@redhat.com> - 2015-11-23 00:30 +0100
                Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Ming Lei <ming.lei@canonical.com> - 2015-11-23 01:40 +0100
                Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Mark Salter <msalter@redhat.com> - 2015-11-23 03:00 +0100
                Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Ming Lei <ming.lei@canonical.com> - 2015-11-23 03:50 +0100
                Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Ming Lei <tom.leiming@gmail.com> - 2015-11-23 16:30 +0100
                Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Alan Ott <alan@softiron.co.uk> - 2015-11-24 20:40 +0100
                Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Laurent Dufour <ldufour@linux.vnet.ibm.com> - 2015-11-23 15:00 +0100
                Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Pratyush Anand <panand@redhat.com> - 2015-11-23 16:20 +0100
                Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Laurent Dufour <ldufour@linux.vnet.ibm.com> - 2015-11-23 16:30 +0100
                Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Ming Lei <ming.lei@canonical.com> - 2015-11-23 16:30 +0100
                Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Laurent Dufour <ldufour@linux.vnet.ibm.com> - 2015-11-23 17:30 +0100
                Re: kernel BUG at drivers/scsi/scsi_lib.c:1096! Mark Salter <msalter@redhat.com> - 2015-11-24 02:40 +0100

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