linux-kernel - Re: 2.6.25-rc2-mm1: WARNING at arch/x86/mm/ioremap.c:129

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Date:	Tue, 26 Feb 2008 00:33:26 +0100
From:	Gabriel C <nix.or.die@...glemail.com>
To:	Arjan van de Ven <arjan@...ux.intel.com>
CC:	Laurent Riffard <laurent.riffard@...e.fr>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Stuart Bennett <sb476@....ac.uk>,
	Len Brown <lenb@...nel.org>
Subject: Re: 2.6.25-rc2-mm1: WARNING at arch/x86/mm/ioremap.c:129

Arjan van de Ven wrote:
> Gabriel C wrote:
>> Arjan van de Ven wrote:
>>> Gabriel C wrote:
>>>> Laurent Riffard wrote:
>>>>> Le 16.02.2008 09:25, Andrew Morton a écrit :
>>>>>> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.25-rc2/2.6.25-rc2-mm1/
>>>> [..]
>>>>
>>>> I'm getting that in mainline now on one of my older laptops also.
>>> we fixed the cause of the machine you quoted; so I suspect yours is different..
>>> Can you get me your stacktrace ? Can you try the patch from this thread to show
>>> what memory the offender tries to access ?
>> Arjan , sorry for the lag.
>>
>> With your patch from http://marc.info/?l=linux-kernel&m=120336371506283&w=2 I don't have a warning anymore.
>>
> 
> that is ... odd since it's the same in theory, just with some added printk's ;-(
> 

hmm but in theory only that part of your patch only should do the same , no ?

	if (page_is_ram(pfn)) {
		printk(..)
	}

I'm going to try that.


Gabriel
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