linux-kernel - Re: BUG: Bad rss-counter state

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Date:	Thu, 21 Jun 2012 09:31:11 -0400
From:	Nick Bowler <nbowler@...iptictech.com>
To:	Michal Hocko <mhocko@...e.cz>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: BUG: Bad rss-counter state

On 2012-06-21 11:50 +0200, Michal Hocko wrote:
> On Wed 20-06-12 15:49:08, Nick Bowler wrote:
> > Hi folks,
> > 
> > I just noticed the following couple lines in my kernel log for Linux
> > 3.4.2:
> > 
> >   Jun 20 14:57:54 emergent kernel: BUG: Bad rss-counter state mm:ffff88000ff1f400 idx:1 val:-2
> >   Jun 20 14:57:54 emergent kernel: BUG: Bad rss-counter state mm:ffff88000ff1f400 idx:2 val:2
> > 
> > I have no idea what these messages mean, nor what I was doing exactly
> > at 14:57:54 today, nor whether they've been fixed in newer kernels.
> > Regardless, they appear to be telling me that there's a kernel problem
> > since they contain the word "BUG", so I figured I had better report them
> > nonetheless.  Other than the fact that these messages were printed, the
> > system is operating normally.
> 
> The issue is known and the fix can be found at
> https://lkml.org/lkml/2012/6/9/47

Ah, and it appears to have been merged by Linus yesterday.

Thanks,
-- 
Nick Bowler, Elliptic Technologies (http://www.elliptictech.com/)

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