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

Deucher, Alexander
2013-01-03T14:12:25Z

> -----Original Message-----
> From: Boszormenyi Zoltan [mailto:zboszor@pr.hu]
> Sent: Thursday, January 03, 2013 6:37 AM
> To: Alex Deucher
> Cc: Markus Trippelsdorf; lkml; dri-devel@lists.freedesktop.org; Deucher,
> Alexander; Borislav Petkov; Shuah Khan
> Subject: Re: radeon 0000:02:00.0: GPU lockup CP stall for more than
> 10000msec
>
> 2013-01-03 00:37 keltezéssel, Alex Deucher írta:
> > 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.
> >
> > Alex
>
> I tried this patch over kernel 3.8.0-rc2 but the GDM screen is mostly garbage.
> 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.

I don't think the issue you are seeing is related to this one. Looks similar to:
https://bugs.freedesktop.org/show_bug.cgi?id=55574

Alex