[Bug 69062] New: Corrupted visuals in Gnome3 (A6-4400M)

[Bug 69062] New: Corrupted visuals in Gnome3 (A6-4400M)

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https://bugs.freedesktop.org/show_bug.cgi?id=69062

          Priority: medium
            Bug ID: 69062
          Assignee: dri-devel@lists.freedesktop.org
           Summary: Corrupted visuals in Gnome3 (A6-4400M)
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: lrn1986@gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: DRI CVS
         Component: DRM/Radeon
           Product: DRI

Created attachment 85385
  --> https://bugs.freedesktop.org/attachment.cgi?id=85385&action=edit
Corrupted shell

On boot gdm3 looks fine (displays a list of users).
When i choose a user from the list, the animation plays out - and that's when
the corruption starts (missing text and missing graphics).
I can still log in by typing the password.
Once logged in, gnome shell looks fine at first. Opening the Activities screen
might cause minor corruption (for example, hovering over icons on the left
panel might show corrupted selection rectangle fadein). Typing in the
Activities screen _always_ causes major corruption in visuals.
Only Gnome shell (top bar, Activities, window switcher) is affected.
Applications continue to be drawn correctly.

Gnome shell reset (Alt+F2, r) cleans up corruption from the shell (completely
or almost completely), but it quickly returns.

Tried changing radeon.gartsize on boot - no difference.

No errors on Xorg.log
No errors in dmesg

This is a regression (things used to work ~half a year ago)

Versions:
 *Gnome3
  3.8
  Debian sid/experimental

 *kernel:
  git://people.freedesktop.org/~airlied/linux
  86a7e1224a68511d3a1ae0b7e11581b9d37723ae
  (also tried older kernels, as far as 3.8rc4 - same thing, this doesn't seem
to be kernel-dependent)

 *drm
  git://anongit.freedesktop.org/git/mesa/drm
  d18cd0c7ccf88c9f6585aaa3cc57f0f064d7310b

 *mesa
  git://anongit.freedesktop.org/git/mesa/mesa
  505fad04f10eee1efdfcd8986b4d484b49d39986

 *xorg (radeon driver, xserver, and its dependencies)
  git
  latest versions on 06.09.2013

A screenshot is attached.

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[Bug 69062] Corrupted visuals in Gnome3 (A6-4400M)

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https://bugs.freedesktop.org/show_bug.cgi?id=69062

--- Comment #1 from LRN <lrn1986@gmail.com> ---
Created attachment 85386
  --> https://bugs.freedesktop.org/attachment.cgi?id=85386&action=edit
dmesg

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[Bug 69062] Corrupted visuals in Gnome3 (A6-4400M)

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https://bugs.freedesktop.org/show_bug.cgi?id=69062

--- Comment #2 from LRN <lrn1986@gmail.com> ---
Created attachment 85387
  --> https://bugs.freedesktop.org/attachment.cgi?id=85387&action=edit
Xorg log

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[Bug 69062] Corrupted visuals in Gnome3 (A6-4400M)

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https://bugs.freedesktop.org/show_bug.cgi?id=69062

LRN <lrn1986@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #85385|text/plain                  |image/png
          mime type|                            |

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[Bug 69062] Corrupted visuals in Gnome3 (A6-4400M)

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https://bugs.freedesktop.org/show_bug.cgi?id=69062

--- Comment #3 from Alex Deucher <agd5f@yahoo.com> ---
Is this a regression?  Does disabling tiling help?

Add:

Option "ColorTiling" "False"
Option "ColorTiling2D" "False"

in the device section of your xorg.conf

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[Bug 69062] Corrupted visuals in Gnome3 (A6-4400M)

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https://bugs.freedesktop.org/show_bug.cgi?id=69062

--- Comment #4 from LRN <lrn1986@gmail.com> ---
(In reply to comment #3)
> Is this a regression?
If by "regression" you mean "it worked before, but doesn't work now" - yes.

>  Does disabling tiling help?
> 
> Add:
> 
> Option "ColorTiling" "False"
> Option "ColorTiling2D" "False"
> 
> in the device section of your xorg.conf

I've added this:

> Section "Device"
>   Identifier "Device0"
>   Driver     "radeon"
>   Option "ColorTiling" "False"
>   Option "ColorTiling2D" "False"
> EndSection

to my /etc/X11/xorg.conf.d/00-git-xorg.conf.
After rebooting and looking at Xorg log, i can see that it groks these options,
and later says that KMS Color Tiling and Color Tiling 2D are disabled.

However, this does not offer any visible improvements.

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[Bug 69062] Corrupted visuals in Gnome3 (A6-4400M)

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https://bugs.freedesktop.org/show_bug.cgi?id=69062

--- Comment #5 from Alex Deucher <agd5f@yahoo.com> ---
How about setting env var R600_DEBUG=nodma?  Try adding that to
/etc/environment .

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[Bug 69062] Corrupted visuals in Gnome3 (A6-4400M)

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https://bugs.freedesktop.org/show_bug.cgi?id=69062

--- Comment #6 from LRN <lrn1986@gmail.com> ---
(In reply to comment #5)
> How about setting env var R600_DEBUG=nodma?  Try adding that to
> /etc/environment .

Added to /etc/environment, rebooted - no visible improvements (should the fact
that this variable is set be mentioned in Xorg log or dmesg? i don't see
anything specific there).

Do you want logs with more verbosity? I remember that there's a boot parameter
that gives verbose logs for radeon driver.

Another bit of info (may be related):
lightspark has huge problems playing youtube videos (frames jump around in
time, , some parts of the picture are corrupted, and the whole thing looks
choppy).
Iceweasel's stderr is full of "GL error 1282"

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[Bug 69062] Corrupted visuals in Gnome3 (A6-4400M)

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https://bugs.freedesktop.org/show_bug.cgi?id=69062

--- Comment #7 from LRN <lrn1986@gmail.com> ---
Upgraded kernel to b7a5ae97502e104371c7eb3b7b17ae959e50d6f5
No effect.

Tried to build and install older drm and mesa (git revs from ~Jan 2013, since i
remember that things worked back then).
Installed drm - no effect.
Installed xf86-video-ati - no effect.
Tried to build old mesa, got errors. Installed llvm-3.3, made it the default.
Got some more errors. Tinkered a bit more.
At some point i had to reboot. When the laptop booted again, gdm3 showed no
corruption, and neither did gnome3.

Upgraded drm, xf86-video-ati and mesa back to git their respective git master
HEADs. Rebooted. No corruption.

So, yeah. Weird.
Maybe i was building xorg in a wrong order, and my git gyrations made it
right...

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[Bug 69062] Corrupted visuals in Gnome3 (A6-4400M)

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https://bugs.freedesktop.org/show_bug.cgi?id=69062

Martin Peres <martin.peres@free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |MOVED

--- Comment #8 from Martin Peres <martin.peres@free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/drm/amd/issues/379.

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