Re: [PATCH 3/3] blk-mq: Fix the queue freezing mechanism

From	Tejun Heo <tj@kernel.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH 3/3] blk-mq: Fix the queue freezing mechanism
Date	2015-09-25 01:00 +0200
Message-ID	<qcnEC-5s-17@gated-at.bofh.it> (permalink)
References	(5 earlier) <qciYi-1MZ-15@gated-at.bofh.it> <qciYi-1MZ-13@gated-at.bofh.it> <qcjhE-2oJ-13@gated-at.bofh.it> <qcjhE-2oJ-11@gated-at.bofh.it> <qcnEC-5s-19@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

Hello, Bart.

On Thu, Sep 24, 2015 at 03:54:18PM -0700, Bart Van Assche wrote:
> Sorry that I had not yet made this clear but I agreed with the analysis in
> your two most recent e-mails. I think I have found the cause of the loop:
> for one or another reason the scsi_dh_alua driver was not loaded
> automatically. I think that caused the SCSI core to return a retryable error
> code for reads and writes sent over paths in the SCSI ALUA state "standby"
> instead of a non-retryable error code and that that caused the dm-mpath
> driver to enter an infinite loop. Loading the scsi_dh_alua driver resolved
> the infinite loop. Anyway, thank you for the feedback.

Great!  I think we still probably wanna fix the kill/reinit race tho.

Thanks.

-- 
tejun
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

Re: [PATCH 3/3] blk-mq: Fix the queue freezing mechanism Ming Lei <tom.leiming@gmail.com> - 2015-09-24 05:30 +0200
  Re: [PATCH 3/3] blk-mq: Fix the queue freezing mechanism Tejun Heo <tj@kernel.org> - 2015-09-24 19:00 +0200
    Re: [PATCH 3/3] blk-mq: Fix the queue freezing mechanism Tejun Heo <tj@kernel.org> - 2015-09-24 20:00 +0200
      Re: [PATCH 3/3] blk-mq: Fix the queue freezing mechanism Tejun Heo <tj@kernel.org> - 2015-09-24 20:20 +0200
        Re: [PATCH 3/3] blk-mq: Fix the queue freezing mechanism Tejun Heo <tj@kernel.org> - 2015-09-25 01:00 +0200

csiph-web