From mboxrd@z Thu Jan  1 00:00:00 1970
From: Roman Mamedov <rm@romanrm.ru>
Subject: Re: btrfs lock-up on copying files
Date: Thu, 30 Jun 2011 20:43:47 +0600
Message-ID: <20110630204347.0d70506e@natsu>
References: <20110630123738.6042e563@natsu>
	<4E0C8A3F.2060202@redhat.com>
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Cc: linux-btrfs <linux-btrfs@vger.kernel.org>
To: Josef Bacik <josef@redhat.com>
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On Thu, 30 Jun 2011 10:37:51 -0400
Josef Bacik <josef@redhat.com> wrote:

> Can you do sysrq+w when this happens?  The caching kthread should still
> be able to make progress, which is what we seem to be waiting on.  Does
> it eventually unhang and continue on?  Thanks,

Hello,

Unfortunately I already rebooted that server so can't check SysRq+W.
Before the reboot I waited for about 40 minutes, and the block device seeme=
d to be 100% idle during all this time.
I got an advice on IRC to wait for a couple of hours if this happens again,=
 which I am going to try if it does.

--=20
With respect,
Roman

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