From: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
To: Roger Heflin <rheflin@atipa.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Apparent Deadlock with nfsd/jfs on 2.6.21.1 under bonnie.
Date: Tue, 29 May 2007 13:10:15 -0500 [thread overview]
Message-ID: <1180462215.10013.2.camel@kleikamp.austin.ibm.com> (raw)
In-Reply-To: <465C5FDF.4070401@atipa.com>
On Tue, 2007-05-29 at 12:16 -0500, Roger Heflin wrote:
> Dave,
>
> Apparently there appears to be another different similar lockup,
> The MTBF has risen from 1-2 hours without that patch to >100 hours,
> so I am fairly sure the patch did correct the original lockup, or
> at the very least make it a lot less likely.
>
> I hit the machine across NFS for 5 days before it deadlocked, before
> the patch I could only get an hour or two (2-4 different tries).
>
> Given that pdflush is "D" it does not appear to be an NFS issue.
>
> Included is the sysrq-t.
>
> This is with 2.6.21.1 + the JFSIO patch.
Is the system still in this state? Can you cat /proc/fs/jfs/TxAnchor
(if CONFIG_JFS_DEBUG is defined) and /proc/fs/jfs/txstats (if
CONFIG_JFS_STATISTICS is defined)?
Thanks,
Shaggy
--
David Kleikamp
IBM Linux Technology Center
next prev parent reply other threads:[~2007-05-29 18:10 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4649BED9.6090207@atipa.com>
[not found] ` <pan.2007.05.15.22.03.07.359081@linux.vnet.ibm.com>
2007-05-15 22:06 ` Roger Heflin
2007-05-17 14:37 ` Roger Heflin
2007-05-17 14:48 ` Dave Kleikamp
2007-05-29 17:16 ` Roger Heflin
2007-05-29 18:10 ` Dave Kleikamp [this message]
2007-05-29 18:14 ` Roger Heflin
2007-05-29 18:30 ` Dave Kleikamp
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