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@xxxxxxxx>
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
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