Re: radeon 0000:02:00.0: GPU lockup CP stall for more than 10000msec

Antti Palosaari
2013-01-03T01:04:19Z

On 01/03/2013 01:59 AM, Alex Deucher wrote:
> On Wed, Jan 2, 2013 at 6:58 PM, Shuah Khan <shuahkhan@gmail.com> wrote:
>> On Wed, Jan 2, 2013 at 4:37 PM, Alex Deucher <alexdeucher@gmail.com> wrote:
>>> On Wed, Jan 2, 2013 at 5:38 PM, Markus Trippelsdorf
>>> <markus@trippelsdorf.de> wrote:
>>>> On 2013.01.02 at 17:31 -0500, Jerome Glisse wrote:
>>>>> Please affected people can you test if patch :
>>>>> http://people.freedesktop.org/~glisse/0003-drm-radeon-fix-dma-copy-on-r6xx-r7xx-evergen-ni-si-g.patch
>>>>>
>>>>> Fix the issue, you need to make sure you don't have the patch that
>>>>> disable dma on r6xx ie that line 977-978 & 1061-1062 in radeon_asic.c
>>>>> is :
>>>>> .copy = &r600_copy_dma,
>>>>> .copy_ring_index = R600_RING_TYPE_DMA_INDEX,
>>>>
>>>> It fixes the issue for me. Thanks.
>>>
>>> The count is actually the count, not count - 1. The real fix seems to
>>> be that r6xx requires 2 dw aligned transfers. The attached patch
>>> fixes the issue for me.
>>>
>>
>> Catching up with this thread. I reverted the
>>
>> drm/radeon: use async dma for ttm buffer moves on 6xx-SI
>> commit id: 2d6cc7296d4ee128ab0fa3b715f0afde511f49c2
>>
>> Do I need to apply this patch without reverting
>> 2d6cc7296d4ee128ab0fa3b715f0afde511f49c2?
>
> Correct. Don't revert anything. Just apply this patch.

Tested, it is working.

I didn't revert anything, just added that latest patch.

regards
Antti

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