r600 - NI/Turks: flickering with 'geom-outlining-150'

r600 - NI/Turks: flickering with 'geom-outlining-150'

[Dieter Nützel]

Hello Alex,

I get _today_ flickering with Mesa-demo 'geom-outlining-150'.
It worked OK last night and I've reseted Mesa git back to 5c1aac1 but NO 
success.
Only thing is I've used LLVM  git of today, too and for GOOD result LLVM 
from 18th.
Any hints?

For the record:

'geom-outlining-150'
'gsraytrace' (both Mesa-demo)
and
'gl-320-primitive-shading' (ogl-samples)

GS stuff works on r600 - NI/Turks nearly perfect (only the above 
flickering) which show corruption (first and last) or crash 'gsraytrace' 
with r600 - RV730 (AGP).

Maybe I've to add this on the open bug reports...

Great 'experience' with Evergreen+ on PCIE (Xeon X3430/16GB/all 
SSD/Fujitsu PRIMERGY TX150 S7 server-workstation) ;-)

-Dieter

PS I use ccache linked to /dev/shm/.ccache for LLVM as Michel suggested.
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Re: r600 - NI/Turks: flickering with 'geom-outlining-150'

[Alex Deucher]

On Fri, Feb 20, 2015 at 10:54 AM, Dieter Nützel <Dieter@nuetzel-hh.de> wrote:
> Hello Alex,
>
> I get _today_ flickering with Mesa-demo 'geom-outlining-150'.
> It worked OK last night and I've reseted Mesa git back to 5c1aac1 but NO
> success.
> Only thing is I've used LLVM  git of today, too and for GOOD result LLVM
> from 18th.
> Any hints?
>

Please narrow it down to what update caused the issue and then use git
to bisect.

Alex

> For the record:
>
> 'geom-outlining-150'
> 'gsraytrace' (both Mesa-demo)
> and
> 'gl-320-primitive-shading' (ogl-samples)
>
> GS stuff works on r600 - NI/Turks nearly perfect (only the above flickering)
> which show corruption (first and last) or crash 'gsraytrace' with r600 -
> RV730 (AGP).
>
> Maybe I've to add this on the open bug reports...
>
> Great 'experience' with Evergreen+ on PCIE (Xeon X3430/16GB/all SSD/Fujitsu
> PRIMERGY TX150 S7 server-workstation) ;-)
>
> -Dieter
>
> PS I use ccache linked to /dev/shm/.ccache for LLVM as Michel suggested.
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Re: r600 - NI/Turks: flickering with 'geom-outlining-150'

[Dieter Nützel]

Am 20.02.2015 17:29, schrieb Alex Deucher:
> On Fri, Feb 20, 2015 at 10:54 AM, Dieter Nützel <Dieter@nuetzel-hh.de> 
> wrote:
>> Hello Alex,
>> 
>> I get _today_ flickering with Mesa-demo 'geom-outlining-150'.
>> It worked OK last night and I've reseted Mesa git back to 5c1aac1 but 
>> NO
>> success.
>> Only thing is I've used LLVM  git of today, too and for GOOD result 
>> LLVM
>> from 18th.
>> Any hints?
>> 
> 
> Please narrow it down to what update caused the issue and then use git
> to bisect.
> 
> Alex

Couldn't find a GOOD version (Mesa/LLVM) for bisect start so far.
I've to search further.
-Dieter


>> For the record:
>> 
>> 'geom-outlining-150'
>> 'gsraytrace' (both Mesa-demo)
>> and
>> 'gl-320-primitive-shading' (ogl-samples)
>> 
>> GS stuff works on r600 - NI/Turks nearly perfect (only the above 
>> flickering)
>> which show corruption (first and last) or crash 'gsraytrace' with r600 
>> -
>> RV730 (AGP).
>> 
>> Maybe I've to add this on the open bug reports...
>> 
>> Great 'experience' with Evergreen+ on PCIE (Xeon X3430/16GB/all 
>> SSD/Fujitsu
>> PRIMERGY TX150 S7 server-workstation) ;-)
>> 
>> -Dieter
>> 
>> PS I use ccache linked to /dev/shm/.ccache for LLVM as Michel 
>> suggested.

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Re: r600 - NI/Turks: flickering with 'geom-outlining-150'

[Michel Dänzer]

On 25.02.2015 13:04, Dieter Nützel wrote:
> Am 20.02.2015 17:29, schrieb Alex Deucher:
>> On Fri, Feb 20, 2015 at 10:54 AM, Dieter Nützel <Dieter@nuetzel-hh.de>
>> wrote:
>>> Hello Alex,
>>>
>>> I get _today_ flickering with Mesa-demo 'geom-outlining-150'.
>>> It worked OK last night and I've reseted Mesa git back to 5c1aac1 but NO
>>> success.
>>> Only thing is I've used LLVM  git of today, too and for GOOD result LLVM
>>> from 18th.
>>> Any hints?
>>>
>>
>> Please narrow it down to what update caused the issue and then use git
>> to bisect.
>>
>> Alex
> 
> Couldn't find a GOOD version (Mesa/LLVM) for bisect start so far.
> I've to search further.

Note that the r600g driver doesn't use LLVM for graphics shader
compilation, so you should only need to search in Mesa and maybe the
kernel or libdrm.


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer
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Re: r600 - NI/Turks: flickering with 'geom-outlining-150'

[Dieter Nützel]

Am 25.02.2015 09:31, schrieb Michel Dänzer:
> On 25.02.2015 13:04, Dieter Nützel wrote:
>> Am 20.02.2015 17:29, schrieb Alex Deucher:
>>> On Fri, Feb 20, 2015 at 10:54 AM, Dieter Nützel 
>>> <Dieter@nuetzel-hh.de>
>>> wrote:
>>>> Hello Alex,
>>>> 
>>>> I get _today_ flickering with Mesa-demo 'geom-outlining-150'.
>>>> It worked OK last night and I've reseted Mesa git back to 5c1aac1 
>>>> but NO
>>>> success.
>>>> Only thing is I've used LLVM  git of today, too and for GOOD result 
>>>> LLVM
>>>> from 18th.
>>>> Any hints?
>>>> 
>>> 
>>> Please narrow it down to what update caused the issue and then use 
>>> git
>>> to bisect.
>>> 
>>> Alex
>> 
>> Couldn't find a GOOD version (Mesa/LLVM) for bisect start so far.
>> I've to search further.
> 
> Note that the r600g driver doesn't use LLVM for graphics shader
> compilation, so you should only need to search in Mesa and maybe the
> kernel or libdrm.

Thanks for the hint Michel.

But, ughhh...
...in the minute it WORKS without a hitch!

I'm running a new LLVM compilation with 4 cores and thought try it.

System spec:
Mesa 10.6.0-devel (git-cb25087)
libdrm-2.4.59 (minor distro update on 24th)
Linux 4.0.0-rc1-2.g1133f88-desktop+ (drm-next-4.1, 50c7535, 23 hours 
ago)

I'll freeze LLVM (do not install latest compile) and try to bisect Mesa 
(?) 'cause kernel and libdrm did NOT changed compared to tests last 
night.

-Dieter
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Re: r600 - NI/Turks: flickering with 'geom-outlining-150'

[Dieter Nützel]

Am 25.02.2015 22:50, schrieb Dieter Nützel:
> Am 25.02.2015 09:31, schrieb Michel Dänzer:
>> On 25.02.2015 13:04, Dieter Nützel wrote:
>>> Am 20.02.2015 17:29, schrieb Alex Deucher:
>>>> On Fri, Feb 20, 2015 at 10:54 AM, Dieter Nützel 
>>>> <Dieter@nuetzel-hh.de>
>>>> wrote:
>>>>> Hello Alex,
>>>>> 
>>>>> I get _today_ flickering with Mesa-demo 'geom-outlining-150'.
>>>>> It worked OK last night and I've reseted Mesa git back to 5c1aac1 
>>>>> but NO
>>>>> success.
>>>>> Only thing is I've used LLVM  git of today, too and for GOOD result 
>>>>> LLVM
>>>>> from 18th.
>>>>> Any hints?
>>>>> 
>>>> 
>>>> Please narrow it down to what update caused the issue and then use 
>>>> git
>>>> to bisect.
>>>> 
>>>> Alex
>>> 
>>> Couldn't find a GOOD version (Mesa/LLVM) for bisect start so far.
>>> I've to search further.
>> 
>> Note that the r600g driver doesn't use LLVM for graphics shader
>> compilation, so you should only need to search in Mesa and maybe the
>> kernel or libdrm.
> 
> Thanks for the hint Michel.
> 
> But, ughhh...
> ...in the minute it WORKS without a hitch!
> 
> I'm running a new LLVM compilation with 4 cores and thought try it.
> 
> System spec:
> Mesa 10.6.0-devel (git-cb25087)
> libdrm-2.4.59 (minor distro update on 24th)
> Linux 4.0.0-rc1-2.g1133f88-desktop+ (drm-next-4.1, 50c7535, 23 hours 
> ago)
> 
> I'll freeze LLVM (do not install latest compile) and try to bisect
> Mesa (?) 'cause kernel and libdrm did NOT changed compared to tests
> last night.

Michel,

it seems to be radeon drm ((HDMI) audio_dpms) related.
Have a look here:
https://bugs.freedesktop.org/show_bug.cgi?id=89327

Greetings,
   Dieter
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