Linux Btrfs filesystem development
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From: Yan Zheng <yanzheng@21cn.com>
To: Adrian Ulrich <adrian@blinkenlights.ch>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: btrfs-cache processes
Date: Sun, 9 Aug 2009 12:00:15 +0800	[thread overview]
Message-ID: <3d0408630908082100s395dd7d2s7174c63c16120c69@mail.gmail.com> (raw)
In-Reply-To: <20090809001723.223a0962.adrian@blinkenlights.ch>

2009/8/9 Adrian Ulrich <adrian@blinkenlights.ch>:
> Hi,
>
> I've upgraded my system to 2.6.31-rc5 some days ago. Yesterday i've discovered that
> this kernel produces some berserk btrfs-cache processes:
>
> There are about 4 of them and they use ~95% sys-cputime.
> About 20 seconds after they started 'freaking out' all writes to BTRFS will
> block and umounting also doesn't work anymore. Reading the volume
> still works (mostly) and there appers to be no disk activity (iostat/top
> reports nothing unusual).
>
> This isn't normal, isn't it? ;-)
>
> Everything appears to work fine on Linux 2.6.31-rc3
>

This has been fixed in the unstable tree. The fix will be in 2.6.31-rc6
soon.

Yan, Zheng

  reply	other threads:[~2009-08-09  4:00 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-08-08 22:17 btrfs-cache processes Adrian Ulrich
2009-08-09  4:00 ` Yan Zheng [this message]
2009-08-09 12:51   ` Adrian Ulrich

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