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

Hannes Reinecke
2015-11-23T06:55:52Z

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
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