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Re: 2.6.20-rc5: cp 18gb 18gb.2 = OOM killer, reproducible just like 2.16

To: Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx>
Subject: Re: 2.6.20-rc5: cp 18gb 18gb.2 = OOM killer, reproducible just like 2.16.19.2
From: Pavel Machek <pavel@xxxxxx>
Date: Tue, 23 Jan 2007 00:47:59 +0100
Cc: linux-kernel@xxxxxxxxxxxxxxx, linux-raid@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx
In-reply-to: <Pine.LNX.4.64.0701221348020.11525@xxxxxxxxxxxxxxxx>
References: <Pine.LNX.4.64.0701211424170.2552@xxxxxxxxxxxxxxxx> <20070122133735.GB4493@xxxxxx> <Pine.LNX.4.64.0701221348020.11525@xxxxxxxxxxxxxxxx>
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On Mon 2007-01-22 13:48:44, Justin Piszcz wrote:
> 
> 
> On Mon, 22 Jan 2007, Pavel Machek wrote:
> 
> > On Sun 2007-01-21 14:27:34, Justin Piszcz wrote:
> > > Why does copying an 18GB on a 74GB raptor raid1 cause the kernel to 
> > > invoke 
> > > the OOM killer and kill all of my processes?
> > > 
> > > Doing this on a single disk 2.6.19.2 is OK, no issues.  However, this 
> > > happens every time!
> > > 
> > > Anything to try?  Any other output needed?  Can someone shed some light 
> > > on 
> > > this situation?
> > 
> > Is it highmem-related? Can you try it with mem=256M?
> > 
> >                                                     Pavel
> > -- 
> > (english) http://www.livejournal.com/~pavelmachek
> > (cesky, pictures) 
> > http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
> > -
> > To unsubscribe from this list: send the line "unsubscribe linux-raid" in
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> > 
> 
> I will give this a try later or tomorrow, I cannot have my machine crash 
> at the moment.
> 
> Also, the onboard video on the Intel 965 chipset uses 128MB, not sure if 
> that has anything to do with it because after the system kill -9's all the 
> processes etc, my terminal looks like garbage.

That looks like separate problem. Switch to text mode console (vgacon,
not fbcon) for tests.
                                                                Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) 
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html


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