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

From: Gabriel C
Date: Mon Feb 25 2008 - 18:59:43 EST


Gabriel C wrote:
> 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.
>
>

With only that part I get the waring again.

But I see the printk() twice so I guess this should be in general an WARN_ON() ?

http://frugalware.org/~crazy/dmesg/dmesg_with_patch_2


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/