linux-kernel - Re: 2.6.39-rc4+: oom-killer busy killing tasks

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20110428233751.GR12436@dastard>
Date:	Fri, 29 Apr 2011 09:37:51 +1000
From:	Dave Chinner <david@...morbit.com>
To:	Christian Kujau <lists@...dbynature.de>
Cc:	LKML <linux-kernel@...r.kernel.org>, xfs@....sgi.com
Subject: Re: 2.6.39-rc4+: oom-killer busy killing tasks

On Thu, Apr 28, 2011 at 10:30:47AM -0700, Christian Kujau wrote:
> Hi David,
> 
> sorry for the late response:
> 
> On Wed, 27 Apr 2011 at 20:28, Dave Chinner wrote:
> > hmmmm. Speaking of which - have you changed any of the XFS tunables
> > in /proc/sys/fs/xfs/ on your machine (specifically
> > xfssyncd_centisecs)?
> 
> No, I did not change anything underneath /proc/sys/fs/xfs.
>  
> > Not easy because there are tree-wide changes that need to be
> > preserved (e.g. block layer plugging changes) while others around it
> > would need to be reverted....
> 
> Yeah, I noticed. I wanted to do something like this:
> 
>   $ for c in `git log --pretty=oneline --no-merges v2.6.38..v2.6.39-rc2 fs/xfs | awk '{print $1}'`; do
>        git revert $c
>     done
> 
> ...but this broke on the 1st or 2nd commit because of unresolved changes.
> 
> Now I'm in the middle of another bisect attempt, trying to reproduce but 
> Im getting (probably totally unrelated) warnings here:

Did you read the email that pointed to CONFIG_TINY_RCU as the
ptotential source of the problem? Can you change to CONFIG_TREE_RCU
and see if the problem goes away?

Cheers,

Dave.
-- 
Dave Chinner
david@...morbit.com
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/