linux-kernel - Re: 2.6.25-git2: BUG: unable to handle kernel paging request at ffffffffffffffff

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Message-ID: <48118FF8.2080204@gmail.com>
Date:	Fri, 25 Apr 2008 10:02:00 +0200
From:	Jiri Slaby <jirislaby@...il.com>
To:	David Miller <davem@...emloft.net>
CC:	torvalds@...ux-foundation.org, zdenek.kabelac@...il.com,
	mingo@...e.hu, rjw@...k.pl, paulmck@...ux.vnet.ibm.com,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	linux-ext4@...r.kernel.org, herbert@...dor.apana.org.au,
	penberg@...helsinki.fi, clameter@....com,
	johannes@...solutions.net, flamingice@...rmilk.net, jbenc@...e.cz
Subject: Re: 2.6.25-git2: BUG: unable to handle kernel paging request at ffffffffffffffff

On 04/25/2008 09:45 AM, David Miller wrote:
> I notice Jiri, in your hardware list, you have an ath5k Atheros AR5212 chip
> in there.
> 
> I took a look at the resume code for ath5k but nothing really suspicious
> there except:
> 
> 	err = pci_enable_device(pdev);
> 	if (err)
> 		return err;
> 
> 	pci_restore_state(pdev);
> 
> Shouldn't we restore state before we turn the chip back on and thus
> potentially let it start DMA'ing all over the place?

Hmm, I cut&pasted that code from somewhere, it seems to be broken. Anyway it 
worked for a half a year or so. Mending locally. Thanks.
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