Re: [PATCH] Revert "scsi-mq: Always unprepare before requeuing a request"

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To: Bart Van Assche <Bart.VanAssche@xxxxxxx>
Subject: Re: [PATCH] Revert "scsi-mq: Always unprepare before requeuing a request"
From: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
Date: Wed, 16 Aug 2017 22:00:06 -0400
Cc: Damien Le Moal <Damien.LeMoal@xxxxxxx>, "martin.petersen\@oracle.com" <martin.petersen@xxxxxxxxxx>, "jthumshirn\@suse.de" <jthumshirn@xxxxxxx>, "hch\@lst.de" <hch@xxxxxx>, "stable\@vger.kernel.org" <stable@xxxxxxxxxxxxxxx>, "linux-scsi\@vger.kernel.org" <linux-scsi@xxxxxxxxxxxxxxx>, "brking\@linux.vnet.ibm.com" <brking@xxxxxxxxxxxxxxxxxx>, "abdhalee\@linux.vnet.ibm.com" <abdhalee@xxxxxxxxxxxxxxxxxx>, "hare\@suse.com" <hare@xxxxxxxx>, "jejb\@linux.vnet.ibm.com" <jejb@xxxxxxxxxxxxxxxxxx>, "mpe\@ellerman.id.au" <mpe@xxxxxxxxxxxxxx>
In-reply-to: <1502933351.14158.3.camel@wdc.com> (Bart Van Assche's message of "Thu, 17 Aug 2017 01:29:13 +0000")
Organization: Oracle Corporation
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux)

Bart,

> I'm 99% sure there is nothing wrong with my patch but that my patch
> uncovered a bug in the ipr driver (drivers/scsi/ipr). See also
> "WARNING: CPU: 15 PID: 0 at block/blk-mq.c:1111
> __blk_mq_run_hw_queue+0x1d8/0x1f0F"
> (https://marc.info/?l=linux-block&m=150290686719644).

But I already have the ipr patch queued. What am I missing?

-- 
Martin K. Petersen	Oracle Linux Engineering

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- [PATCH] Revert "scsi-mq: Always unprepare before requeuing a request"
  - From: Bart Van Assche
- Re: [PATCH] Revert "scsi-mq: Always unprepare before requeuing a request"
  - From: Martin K. Petersen
- Re: [PATCH] Revert "scsi-mq: Always unprepare before requeuing a request"
  - From: Damien Le Moal
- Re: [PATCH] Revert "scsi-mq: Always unprepare before requeuing a request"
  - From: Damien Le Moal
- Re: [PATCH] Revert "scsi-mq: Always unprepare before requeuing a request"
  - From: Martin K. Petersen
- Re: [PATCH] Revert "scsi-mq: Always unprepare before requeuing a request"
  - From: Bart Van Assche

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