Subject: Re: net-next: mii-tool qweasd: Unable to handle kernel NULL ptr dereference

From: Jarek Poplawski <[email-masked]>
Date: Mon, 22 Dec 2008 06:41:46 +0000

On 22-12-2008 01:59, Krzysztof Halasa wrote:
> Hmm...
> 
> IXP4xx (ARM), basically net-next:
> 
> # mii-tool qweasd
> 
> Unable to handle kernel NULL pointer dereference at virtual address 000000b4
> pgd = c66b4000
> [000000b4] *pgd=066eb031, *pte=00000000, *ppte=00000000
> Internal error: Oops: 17 [#1]
> Modules linked in: ixp4xx_hss ixp4xx_eth ixp4xx_npe ixp4xx_qmgr e1000
> CPU: 0    Not tainted  (2.6.28-rc8 #81)
> PC is at dev_ifsioc+0x24/0x3f8
...
> I can bisect this but perhaps someone already knows what's wrong?

Looks similarly to this problem:

http://marc.info/?l=linux-netdev&m=122967029022058&w=2

Jarek P.