Re: Linux 2.6.39-rc3

[H. Peter Anvin]

On 04/15/2011 12:18 PM, Yinghai Lu wrote:
> On 04/15/2011 12:06 PM, Ingo Molnar wrote:
> 
>>
>> Joerg, mind submitting it with a changelog that includes everything we learned 
>> about this bug and all the Tested-by's in place?
>>
>> Is anyone of the opinion that we should try to revert the allocation 
>> order/alignment changes in addition to this fix?
> 
> We should figure out what is written to 0xa0001000 (main memory) by GPU before internal GART is setup.
> 
> Joerg,
> can you insert some dump code in the drm/radon code to find out which function cause the problem?
> 

Yes, I would like to make sure we don't just paper over a real bug
(again).  I think we still should talk Joerg's patch since it seems to
be the right thing to do anyway, but I do want to make sure we don't
have a memory-overwrite bug in the kernel that we're papering over.

	-hpa
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