[Mesa-dev] [Bug 104820] White screen in SDDM after upgrade to latest padoka

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=104820

--- Comment #11 from Roman Gilg  ---
Apparently this is a bug in Qt: https://bugreports.qt.io/browse/QTBUG-66348

Workaround is to delete $HOME/.cache/qtshadercache

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[Mesa-dev] [Bug 104820] White screen in SDDM after upgrade to latest padoka

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=104820

Emil Velikov  changed:

   What|Removed |Added

 Resolution|--- |FIXED
 Status|REOPENED|RESOLVED

--- Comment #10 from Emil Velikov  ---
Reopening old bugs with "me too" doesn't help much, do file new ones.

Please work with your packager/distro tracking down the component you have
based on the current suggestions.

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[Mesa-dev] [Bug 104820] White screen in SDDM after upgrade to latest padoka

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=104820

--- Comment #9 from Jay  ---
I'm also seeing this on a AMD Kaveri IGP box.

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[Mesa-dev] [Bug 104820] White screen in SDDM after upgrade to latest padoka

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=104820

krzys...@cybulski.info changed:

   What|Removed |Added

 Status|RESOLVED|REOPENED
 Resolution|FIXED   |---

--- Comment #8 from krzys...@cybulski.info ---
Hi,

Recent update of mesa broke thinks again,

git180129151100.0347a83 works fine
git180208124100.e843667 white screen again

Please let me know if you need more info.

Krzysztof

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[Mesa-dev] [Bug 104820] White screen in SDDM after upgrade to latest padoka

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=104820

--- Comment #7 from Eero Tamminen  ---
If Padoka repos update also X server, there was X server bug 103000 that
affected titlebar colors (and was recently fixed).

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[Mesa-dev] [Bug 104820] White screen in SDDM after upgrade to latest padoka

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=104820

--- Comment #6 from Tapani Pälli  ---
(In reply to krzysiek from comment #5)
> Fixed in git180129151100.0347a83~x~padoka0, there is still wrong color on
> taskbar, I will fill separate bug report.
> 
> Krzysztof

FYI If you mean 'too dark', this "wrong color" may be a duplicate for bug
#103655 that has been fixed. There was other bug #102806 with similar symptoms
as well.

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[Mesa-dev] [Bug 104820] White screen in SDDM after upgrade to latest padoka

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=104820

krzys...@cybulski.info changed:

   What|Removed |Added

 Status|REOPENED|RESOLVED
 Resolution|--- |FIXED

--- Comment #5 from krzys...@cybulski.info ---
Fixed in git180129151100.0347a83~x~padoka0, there is still wrong color on
taskbar, I will fill separate bug report.

Krzysztof

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[Mesa-dev] [Bug 104820] White screen in SDDM after upgrade to latest padoka

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=104820

Tapani Pälli  changed:

   What|Removed |Added

   See Also||https://bugs.freedesktop.or
   ||g/show_bug.cgi?id=104806

--- Comment #4 from Tapani Pälli  ---
Blank white screen with SDDM mentioned also in bug #104806 but there the gpu
used is Radeon while here it's Intel.

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[Mesa-dev] [Bug 104820] White screen in SDDM after upgrade to latest padoka

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=104820

Tapani Pälli  changed:

   What|Removed |Added

 CC||lem...@gmail.com

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[Mesa-dev] [Bug 104820] White screen in SDDM after upgrade to latest padoka

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=104820

Tapani Pälli  changed:

   What|Removed |Added

 Resolution|NOTOURBUG   |---
 Status|RESOLVED|REOPENED

--- Comment #3 from Tapani Pälli  ---
(In reply to Robert Wahlstedt from comment #2)
> Hello, thank you for this feedback. Your computer is using software
> rendering fallback instead of hardware acceleration. This is because no path
> could be found. This appears to be a common theme across many threads.
> Padoka is labeled in Ubuntu PPA as beta software. These guys have claimed to
> find a resolution procedure.
> https://www.phoronix.com/forums/forum/linux-graphics-x-org-drivers/open-
> source-amd-linux/913600-recommended-install-process-for-xubuntu-16-10-rx480-
> radv-vulkan 
> 
> This happens because the default xv acceleration is no longer available when
> using AIGLX (because everything is being drawn through textures on the 3D
> unit). I haven't seen this problem on NVIDIA cards using the more recent
> binary drivers (they seem to still have an accelerated xv) but the open
> source ATI drivers have a similar problem (very buggy xv when using AIGLX)
> as do the Intel drivers. AIGLX was only used in the short period of time
> when open drivers weren't capable of redirected direct rendering. DRI2 then
> made that possible, making AIGLX obsolete.
> 
> Therefore I am labeling this error as incomparable video drivers and marking
> this issue as resolved.

Robert, can you explain how did you come to that conclusion? Xorg.0.log
attachment shows that glamor is used, DRI driver loads fine and according to
glxinfo HW renderer is being used. AFAICT this bug has nothing to do with xv
acceleration or with radv vulkan. In fact I cannot see anything that would
prove that this is not our bug.

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[Mesa-dev] [Bug 104820] White screen in SDDM after upgrade to latest padoka

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=104820

krzys...@cybulski.info changed:

   What|Removed |Added

Summary|White screen in SDDM after  |White screen in SDDM after
   |upgrade from 17.3   |upgrade to latest padoka

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[Mesa-dev] [Bug 104820] White screen in SDDM after upgrade to latest padoka

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https://bugs.freedesktop.org/show_bug.cgi?id=104820

--- Comment #1 from krzys...@cybulski.info ---
Created attachment 137008
  --> https://bugs.freedesktop.org/attachment.cgi?id=137008=edit
Xorg.0.log

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[Mesa-dev] [Bug 104820] White screen in SDDM after upgrade to latest padoka

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=104820

Robert Wahlstedt  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |NOTOURBUG

--- Comment #2 from Robert Wahlstedt  ---
Hello, thank you for this feedback. Your computer is using software rendering
fallback instead of hardware acceleration. This is because no path could be
found. This appears to be a common theme across many threads. Padoka is labeled
in Ubuntu PPA as beta software. These guys have claimed to find a resolution
procedure.
https://www.phoronix.com/forums/forum/linux-graphics-x-org-drivers/open-source-amd-linux/913600-recommended-install-process-for-xubuntu-16-10-rx480-radv-vulkan
 

This happens because the default xv acceleration is no longer available when
using AIGLX (because everything is being drawn through textures on the 3D
unit). I haven't seen this problem on NVIDIA cards using the more recent binary
drivers (they seem to still have an accelerated xv) but the open source ATI
drivers have a similar problem (very buggy xv when using AIGLX) as do the Intel
drivers. AIGLX was only used in the short period of time when open drivers
weren't capable of redirected direct rendering. DRI2 then made that possible,
making AIGLX obsolete.

Therefore I am labeling this error as incomparable video drivers and marking
this issue as resolved.

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