Messages in this thread | | | Date | Thu, 24 Sep 2015 18:56:19 -0400 | From | Tejun Heo <> | Subject | Re: [PATCH 3/3] blk-mq: Fix the queue freezing mechanism |
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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
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