* MD RAID5 hang on make_request
@ 2014-11-23 1:08 Henry Cai
2014-11-25 2:39 ` NeilBrown
0 siblings, 1 reply; 2+ messages in thread
From: Henry Cai @ 2014-11-23 1:08 UTC (permalink / raw)
To: linux-raid
With kernel-3.10, when raid5 is doing resync, unplug one of the
raid5's disk, RAID5 will hang on raid5's make_request function, and
cat /proc/mdstat show the RAID "resync=PENDING", mdadm version is
3.3.2. The platform is arm.
Any similar problems?
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: MD RAID5 hang on make_request
2014-11-23 1:08 MD RAID5 hang on make_request Henry Cai
@ 2014-11-25 2:39 ` NeilBrown
0 siblings, 0 replies; 2+ messages in thread
From: NeilBrown @ 2014-11-25 2:39 UTC (permalink / raw)
To: Henry Cai; +Cc: linux-raid
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On Sun, 23 Nov 2014 09:08:55 +0800 Henry Cai <henryplusplus@gmail.com> wrote:
> With kernel-3.10, when raid5 is doing resync, unplug one of the
> raid5's disk, RAID5 will hang on raid5's make_request function, and
> cat /proc/mdstat show the RAID "resync=PENDING", mdadm version is
> 3.3.2. The platform is arm.
>
> Any similar problems?
Not that I know of...
Can you test a more recent kernel and see if the problem persists?
Can you provide more specifics than "the make_request function".
e.g. a stack trace (from /proc/PID/stack), or similar.
NeilBrown
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