From: Dave Chinner <david@fromorbit.com>
To: Brian May <brian@vpac.org>
Cc: xfs@oss.sgi.com
Subject: Re: open sleeps
Date: Thu, 19 Jun 2008 16:21:18 +1000 [thread overview]
Message-ID: <20080619062118.GY3700@disturbed> (raw)
In-Reply-To: <4859EE54.6050801@vpac.org>
On Thu, Jun 19, 2008 at 03:27:48PM +1000, Brian May wrote:
> Hello,
>
> I am having (weird) issues with XFS, in that open(...) on certain files
> takes 45 seconds to return. After the file has been opened, the next
> file in the same directory takes 45 seconds. If the file was recently
> opened it returns immediately.
>
> I thought this was a low level I/O issue, so copied the files in
> question to a completely independent RAID array (separate LVM, RAID,
> controllers, disks), but the problem remains.
>
> More details at thread starting from
> <http://lists.luv.asn.au/wws/arc/luv-main/2008-06/msg00143.html>.
>
> Any ideas?
# echo t > /proc/sysrq-trigger
when it is hung to get a stack trace of the blocked open call.
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
next prev parent reply other threads:[~2008-06-19 6:20 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-19 5:27 open sleeps Brian May
2008-06-19 5:30 ` Brian May
2008-06-19 6:21 ` Dave Chinner [this message]
2008-06-19 6:40 ` Brian May
2008-06-19 8:43 ` Christoph Hellwig
2008-06-19 9:48 ` Sebastian Brings
2008-06-20 1:47 ` Brian May
2008-06-20 4:11 ` Brian May
2008-06-26 6:29 ` Brian May
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