From: Chris Mason <chris.mason@oracle.com>
To: John Dong <jdong@ubuntu.com>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: btrfsctl -d race with df -h causes hang?
Date: Fri, 20 Nov 2009 10:35:27 -0500 [thread overview]
Message-ID: <20091120153527.GW3110@think> (raw)
In-Reply-To: <900EA6DB-EECC-4BA8-B551-1A6831949824@ubuntu.com>
On Thu, Nov 19, 2009 at 06:18:49PM -0500, John Dong wrote:
> Managed to get some kernel logs this time. Some sort of deadlock?
Ok, if you can still access the machine could you please run sysrq-w and
sysrq-t. That will print out the stacks of the stuck procs. We've
probably got a lock inversion hiding in the df handling.
-chris
next prev parent reply other threads:[~2009-11-20 15:35 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-19 23:05 btrfsctl -d race with df -h causes hang? John Dong
2009-11-19 23:10 ` John Dong
2009-11-19 23:18 ` John Dong
2009-11-20 15:35 ` Chris Mason [this message]
2009-11-20 15:48 ` John Dong
2009-11-22 16:42 ` John Dong
2009-12-02 6:30 ` John Dong
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