Re: [PATCH] drm/ttm: fix delayed ttm_bo_cleanup_refs_and_unlock delayed handling

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On Thu, Jan 17, 2013 at 11:10 AM, Markus Trippelsdorf
<markus@xxxxxxxxxxxxxxx> wrote:
> On 2013.01.17 at 10:44 -0500, Jerome Glisse wrote:
>> On Thu, Jan 17, 2013 at 3:46 AM, Markus Trippelsdorf
>> <markus@xxxxxxxxxxxxxxx> wrote:
>> > On 2013.01.16 at 19:18 -0500, Jerome Glisse wrote:
>> >> On Wed, Jan 16, 2013 at 6:10 PM, Markus Trippelsdorf
>> >> <markus@xxxxxxxxxxxxxxx> wrote:
>> >> > On 2013.01.16 at 17:36 -0500, Alex Deucher wrote:
>> >> >> On Tue, Jan 15, 2013 at 12:03 PM, Markus Trippelsdorf
>> >> >> <markus@xxxxxxxxxxxxxxx> wrote:
>> >> >> > On 2013.01.15 at 17:32 +0100, Markus Trippelsdorf wrote:
>> >> >> >> On 2013.01.15 at 16:26 +0100, Michel Dänzer wrote:
>> >> >> >> > On Die, 201301-15 at 16:23 +0100, Markus Trippelsdorf wrote:
>> >> >> >> > > On 2013.01.15 at 15:43 +0100, Michel Dänzer wrote:
>> >> >> >> > > > On Sam, 2013-01-05 at 11:41 +0100, Markus Trippelsdorf wrote:
>> >> >> >> > > > > On 2012.12.20 at 14:58 +0100, Markus Trippelsdorf wrote:
>> >> >> >> > > > > >
>> >> >> >> > > > > > And just in case it got lost in the noise yesterday:
>> >> >> >> > > > > > The image corruption is caused by Dave's commit:
>> >> >> >> > > > > >
>> >> >> >> > > > > > commit dd54fee7d440c4a9756cce2c24a50c15e4c17ccb
>> >> >> >> > > > > > Author: Dave Airlie <airlied@xxxxxxxxxx>
>> >> >> >> > > > > > Date:   Fri Dec 14 21:04:46 2012 +1000
>> >> >> >> > > > > >
>> >> >> >> > > > > >     radeon: fix regression with eviction since evict caching changes
>> >> >> >> > > > > >
>> >> >> >> > > > > > Reverting it 'fixes' the issue.
>> >> >> >> > > > >
>> >> >> >> > > > > Ping.
>> >> >> >> > > > > The issue still happens with todays Linus git tree.
>> >> >> >> > > >
>> >> >> >> > > > Does the corruption also occur with
>> >> >> >> > > > dd54fee7d440c4a9756cce2c24a50c15e4c17ccb applied manually on top of
>> >> >> >> > > > 0d0b3e7443bed6b49cb90fe7ddc4b5578a83a88d?
>> >> >> >> > >
>> >> >> >> > > No.
>> >> >> >> >
>> >> >> >> > So, can you bisect which change between those two actually introduced
>> >> >> >> > the corruption?
>> >> >> >
>> >> >> > The real cause of the image corruption is:
>> >> >> >
>> >> >> > d025e9e2b890db679f1246037bf65bd4be512627 is the first bad commit
>> >> >> > commit d025e9e2b890db679f1246037bf65bd4be512627
>> >> >> > Author: Jerome Glisse <jglisse@xxxxxxxxxx>
>> >> >> > Date:   Thu Nov 29 10:35:41 2012 -0500
>> >> >> >
>> >> >> >     drm/radeon: do not move bo to different placement at each cs
>> >> >> >
>> >> >> >     The bo creation placement is where the bo will be. Instead of trying
>> >> >> >     to move bo at each command stream let this work to another worker
>> >> >> >     thread that will use more advance heuristic.
>> >> >> >
>> >> >> >     agd5f: remove leftover unused variable
>> >> >> >
>> >> >> >     Signed-off-by: Jerome Glisse <jglisse@xxxxxxxxxx>
>> >> >> >     Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
>> >> >> >
>> >> >> > Reverting d025e9e2b890d on top of Linus' tree fixes the issue.
>> >> >>
>> >> >> Can you try this patch from Jerome:
>> >> >> https://bugzilla.kernel.org/attachment.cgi?id=91421
>> >> >
>> >> > It fixes the corruption, but it degrades performance so much that it
>> >> > takes several seconds to switch virtual desktops under xmonad. And
>> >> > sometimes the website used for the scroll test is stuck for several
>> >> > seconds and unscrollable during that time.
>> >> >
>> >> > --
>> >> > Markus
>> >>
>> >> What about this patch instead :
>> >> http://people.freedesktop.org/~glisse/0001-drm-radeon-exclude-system-placement-when-validating-.patch
>> >
>> > This one doesn't work:
>>
>> Same address updated patch
>>
>> http://people.freedesktop.org/~glisse/0001-drm-radeon-exclude-system-placement-when-validating-.patch
>
> It still doesn't work unfortunately. Can you please just revert
> d025e9e2b89 for now? Maybe it's better to wait for the next kernel
> release for another solution.
>
> Jan 17 17:05:34 x4 kernel: radeon 0000:01:05.0: GPU lockup CP stall for more than 10000msec
> Jan 17 17:05:34 x4 kernel: radeon 0000:01:05.0: GPU lockup (waiting for 0x000000000000022b last fence id 0x0000000000000224)
> Jan 17 17:05:34 x4 kernel: [drm:radeon_cs_ioctl] *ERROR* Failed to parse relocation -12!
> Jan 17 17:05:34 x4 kernel: [drm:radeon_gem_object_create] *ERROR* Failed to allocate GEM object (7000064, 6, 4096, -12)
> Jan 17 17:05:34 x4 kernel: [drm:radeon_gem_object_create] *ERROR* Failed to allocate GEM object (7000064, 6, 4096, -12)
> Jan 17 17:05:34 x4 kernel: [drm:radeon_gem_object_create] *ERROR* Failed to allocate GEM object (7000064, 6, 4096, -12)
> Jan 17 17:05:34 x4 kernel: radeon 0000:01:05.0: couldn't schedule ib
> Jan 17 17:05:34 x4 kernel: [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB !
> Jan 17 17:05:34 x4 kernel: [drm:radeon_gem_object_create] *ERROR* Failed to allocate GEM object (7098368, 6, 4096, -12)
> Jan 17 17:05:34 x4 kernel: [drm:radeon_gem_object_create] *ERROR* Failed to allocate GEM object (7278592, 2, 4096, -12)
>
> --
> Markus

I am trying to understand why i can't reproduce, what is your desktop
(gnome, kde, ...) what browser ? Is your card agp ? How much ram do
you have ?

Cheers,
Jerome
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