linux-kernel - Re: b44 - swapper: page allocation failure

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Date:	Thu, 15 Jan 2009 15:27:43 +0200
From:	Mihai Donțu <mihai.dontu@...il.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: b44 - swapper: page allocation failure

On Thursday 15 January 2009, Herbert Xu wrote:
> Mihai Donțu <mihai.dontu@...il.com> wrote:
> > Hi,
> >
> > A friend of mine just booted 2.6.28 and when someone else tried to send
> > something to him over ssh (scp), the transfer failed and the following
> > appeared in dmesg:
>
> You missed the all important order line before the stack trace.

Right, sorry for that. Here it is:
swapper: page allocation failure. order:0, mode:0x21

> If it's order 0, then you're just out of memory, if it's greater
> than order 0, then either you're using jumbo frames or b44 is
> broken.

It is order zero, but he's not out of memory. He has just booted 2.6.28 (no X, 
no thing), has 3GB of RAM and 2GB of swap.

The attached config was taken from a working 2.6.27.

-- 
Mihai Donțu

View attachment "config-2.6.28-b44-crash" of type "text/plain" (64262 bytes)