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From: Markus Trippelsdorf <markus@trippelsdorf.de>
To: Francesco Turco <fturco@fastmail.fm>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: OOM killer and Btrfs
Date: Sun, 4 Sep 2016 12:06:25 +0200	[thread overview]
Message-ID: <20160904100625.GA305@x4> (raw)
In-Reply-To: <1472983177.1812484.715201857.036A622E@webmail.messagingengine.com>

On 2016.09.04 at 11:59 +0200, Francesco Turco wrote:
> I use Btrfs on a Gentoo Linux system with kernel 4.7.2. When my computer
> is under heavy I/O load some application often crashes, for example
> ClamAV, Firefox or Portage. I suspect the problem is due to Btrfs, but I
> may be wrong.
> 
> These are the most recent error messages from journalctl, but I have
> many other similar ones in my logs:
> 
> *** BEGIN ***
> 
> Sep 04 10:13:26 desktop kernel: gpg-agent invoked oom-killer:
> gfp_mask=0x27080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO|__GFP_NOTRACK),
> order=2, oom_
> 
> Is the problem already known? Should I report a bug? Is there a patch I
> can try? Thanks.

This issue was recently fixed by:

commit 6b4e3181d7bd5ca5ab6f45929e4a5ffa7ab4ab7f
Author: Michal Hocko <mhocko@suse.com>
Date:   Thu Sep 1 16:14:41 2016 -0700

    mm, oom: prevent premature OOM killer invocation for high order request

It will be backported to the 4.7.x stable kernel, too.

-- 
Markus

  reply	other threads:[~2016-09-04 10:06 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-04  9:59 OOM killer and Btrfs Francesco Turco
2016-09-04 10:06 ` Markus Trippelsdorf [this message]
2016-09-04 10:30   ` Francesco Turco

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