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From: Phillip Susi <psusi@cfl.rr.com>
To: Mike Snitzer <snitzer@redhat.com>
Cc: device-mapper development <dm-devel@redhat.com>,
	linux-fsdevel@vger.kernel.org, Eric Sandeen <sandeen@redhat.com>
Subject: Re: 2.6.35 causes deadlock when snapshotting root lv
Date: Thu, 17 Jun 2010 21:29:21 -0400	[thread overview]
Message-ID: <4C1ACBF1.3050603@cfl.rr.com> (raw)
In-Reply-To: <20100617162747.GA21336@redhat.com>

On 06/17/2010 12:27 PM, Mike Snitzer wrote:
>>> http://git.kernel.org/linus/18e9e5104fcd9a9
>>> http://git.kernel.org/linus/6b0310fbf087ad6
>>
>> Yes, these do look suspicious.  I'll test reverting them tonight.
>
> OK, I'd suggest reverting the VFS change (18e9e5104fcd9a9) first.

Turns out it was 6b0310fbf087ad6 that did it.  CCing Eric Sandeen since 
he wrote it.  Eric, this patch seems to cause a deadlock when taking an 
lvm snapshot of the root lv.  Any idea why?

  reply	other threads:[~2010-06-18  1:29 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <4C1A2839.5010407@cfl.rr.com>
2010-06-17 14:27 ` 2.6.35 causes deadlock when snapshotting root lv Mike Snitzer
2010-06-17 16:16   ` Phillip Susi
2010-06-17 16:27     ` Mike Snitzer
2010-06-18  1:29       ` Phillip Susi [this message]
2010-06-18 18:55         ` Eric Sandeen
2010-06-18 19:19           ` Eric Sandeen
2010-06-18 19:23             ` Eric Sandeen
2010-06-23 19:37               ` [PATCH] ext4: fix freeze deadlock under IO Eric Sandeen
2010-08-01 21:41                 ` Ted Ts'o

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