From mboxrd@z Thu Jan  1 00:00:00 1970
From: Boszormenyi Zoltan <zboszor@pr.hu>
Subject: Re: radeon 0000:02:00.0: GPU lockup CP stall for more than 10000msec
Date: Thu, 03 Jan 2013 12:37:10 +0100
Message-ID: <50E56D66.9030807@pr.hu>
References: <20121223113153.GA8918@liondog.tnic> <20121223115133.GA229@x4> <20121223122210.GA4460@liondog.tnic> <20121223133102.GA8153@liondog.tnic> <CAKocOOPO7ZhybEgKfCkpna+KbpGgajMp6HuHbO9m9uT3gUtP0g@mail.gmail.com> <50E3907C.4040106@iki.fi> <20130102120248.GC6181@x1.alien8.de> <CAH3drwYSrfsbKg-BYpMF3Nkxrw1toK=EmcvJfKGzdbT_BK-1HQ@mail.gmail.com> <50E4755E.7030209@iki.fi> <CAH3drwZsNL6kwufTPGR8h-U9gfrsoYj_+C+8Ei1Ab-PPXrSuTQ@mail.gmail.com> <20130102223807.GA242@x4> <CADnq5_OuhJordwCQArknpdvzYLryouZ+u+a+tm37n3K+hmB9uw@mail.gmail.com>
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To: Alex Deucher <alexdeucher@gmail.com>
Cc: Markus Trippelsdorf <markus@trippelsdorf.de>, lkml <linux-kernel@vger.kernel.org>, dri-devel@lists.freedesktop.org, Alex Deucher <alexander.deucher@amd.com>, Borislav Petkov <bp@alien8.de>, Shuah Khan <shuahkhan@gmail.com>
List-Id: dri-devel@lists.freedesktop.org

2013-01-03 00:37 keltez=E9ssel, Alex Deucher =EDrta:
> 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_asi=
c.c
>>> is :
>>>   .copy =3D &r600_copy_dma,
>>>   .copy_ring_index =3D 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 t=
o
> be that r6xx requires 2 dw aligned transfers.  The attached patch
> fixes the issue for me.
>
> Alex

I tried this patch over kernel 3.8.0-rc2 but the GDM screen is mostly g=
arbage.
Only some text, like "Not on the list?" below the users and small icons=
 are visible
but many user names are not rendered. http://tinypic.com/r/33xihit/6
I am on Fedora 18/x86_64, Radeon HD6570.

Best regards,
Zolt=E1n B=F6sz=F6rm=E9nyi