linux-kernel - Re: 2.6.22-stable causes oomkiller to be invoked

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Message-ID: <20071213162936.GA7635@suse.de>
Date:	Thu, 13 Dec 2007 08:29:36 -0800
From:	Greg KH <gregkh@...e.de>
To:	Dhaval Giani <dhaval@...ux.vnet.ibm.com>
Cc:	htejun@...il.com, stable@...nel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	lkml <linux-kernel@...r.kernel.org>, maneesh@...ux.vnet.ibm.com,
	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>,
	Balbir Singh <balbir@...ibm.com>,
	Gautham Shenoy <ego@...ibm.com>
Subject: Re: 2.6.22-stable causes oomkiller to be invoked

On Thu, Dec 13, 2007 at 08:48:47PM +0530, Dhaval Giani wrote:
> On Thu, Dec 13, 2007 at 06:53:26PM +0530, Dhaval Giani wrote:
> > On Thu, Dec 13, 2007 at 06:03:33PM +0530, Dhaval Giani wrote:
> > > Hi Greg, Tejun,
> > > 
> > > The following script causes oomkiller to be invoked on my system here.
> > > 
> > > while echo; do cat /sys/kernel/kexec_crash_loaded; done
> > > 
> > 
> >  while echo; do cat /sys/kernel/uevent_seqnum ; done;
> > 
> > causes oomkiller to be invoked on 2.6.22-stable, 2.6.23-stable and
> > 2.6.24-rc5 as well. It seems not be particularly related to any single
> > file in sysfs.
> > 
> 
> And on 2.6.24-rc5-mm1 as well.

How long do you have to run this?  I'm not seeing a problem here with
2.6.24-rc5 using SLUB, but I might not have run things long enough.

I ran slabinfo and don't see anything leaking either, do you?

thanks,

greg k-h
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