From: Qu Wenruo <quwenruo@cn.fujitsu.com>
To: linux-btrfs@vger.kernel.org
Subject: Re: [BUG] generic/224 causes OOM and hangs 1G RAM system
Date: Tue, 24 Dec 2013 15:48:08 +0800 [thread overview]
Message-ID: <52B93C38.2010502@cn.fujitsu.com> (raw)
In-Reply-To: <52B92B6B.1030204@cn.fujitsu.com>
It seems that ext4 also has the same problem.
And the problem also happens in 3.11 kernel, seems to be a fs independent
things.
Qu
On tue, 24 Dec 2013 14:36:27 +0800, Qu Wenruo wrote:
> Hi everyone,
>
> When using testcase generic/224 in xfstests on a 1Gigabytes RAM test
> machine,
> OOM is triggered after about 5 sec and then hangs the system.
>
> This bug can be triggered *all the time* but only on 1Gigabytes or less RAM
> machine.
> If tested on a 2Gigabytes or higher machine, the memory consumption is high,
> but OOM will not be triggered and after the testcase, memory consumption
> will
> return normal.
>
> So this is not a memory leak but a ridiculous btrfs behavior.
>
> Since systems with 1Gigabytes are not quite old and even very common in
> VMs or
> embedded devices, it would be better to fix the ridiculous memory
> consuption.
>
> Thanks,
> Qu
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prev parent reply other threads:[~2013-12-24 8:00 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-24 6:36 [BUG] generic/224 causes OOM and hangs 1G RAM system Qu Wenruo
2013-12-24 7:48 ` Qu Wenruo [this message]
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