* repating 208 failures
@ 2014-05-04 9:42 Christoph Hellwig
2014-05-04 21:44 ` Dave Chinner
0 siblings, 1 reply; 2+ messages in thread
From: Christoph Hellwig @ 2014-05-04 9:42 UTC (permalink / raw)
To: xfs
Did anyone see failure like:
generic/208 201s ... 200s
umount: /mnt/test: device is busy.
(In some cases useful info about processes that use
the device is found by lsof(8) or fuser(1))
which then abort xfstests? I've seen them occasionally for a long time,
but these days they seem to happen more than 50% of the time.
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* Re: repating 208 failures
2014-05-04 9:42 repating 208 failures Christoph Hellwig
@ 2014-05-04 21:44 ` Dave Chinner
0 siblings, 0 replies; 2+ messages in thread
From: Dave Chinner @ 2014-05-04 21:44 UTC (permalink / raw)
To: Christoph Hellwig; +Cc: xfs
On Sun, May 04, 2014 at 02:42:18AM -0700, Christoph Hellwig wrote:
> Did anyone see failure like:
>
> generic/208 201s ... 200s
> umount: /mnt/test: device is busy.
> (In some cases useful info about processes that use
> the device is found by lsof(8) or fuser(1))
>
> which then abort xfstests? I've seen them occasionally for a long time,
> but these days they seem to happen more than 50% of the time.
I see it occassionally. Most often on a single processor test VM,
but not regularly enough to debug. It's an AIO stress test, so
perhaps there's a problem with delayed AIO reference counts, because
a second attempt to unmount the device will succeed....
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
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