[Bug 36563] Unity locks up with latest xorg/mesa/dri/drm

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=36563

Ernst Sjöstrand  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |WORKSFORME

--- Comment #8 from Ernst Sjöstrand  ---
Old stuff not an issue anymore.

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[Bug 36563] Unity locks up with latest xorg/mesa/dri/drm

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=36563

--- Comment #7 from Rune K. Svendsen  2011-05-26 12:35:15 
PDT ---
I have found a reliable way of reproducing this bug on this computer at least.

Compiz must be enabled.
1. Go to CompizConfig Settings Manager (ccsm)
2. Under "Window Management"->"Resize Window" in the "General" tab, choose
"Normal" as the Default Resize Mode. This will cause windows to resize
real-time, as they are dragged by their corners/sides.
3. Open up gnome-terminal and start resizing the window quickly, it will lag a
lot and eventually hang compiz.

The output of gdb after attaching is similar to that of the "Second output"
(https://bugs.freedesktop.org/attachment.cgi?id=47160) attached to this bug
report. Ie. line #3 in Thread 1 is "radeon_bo_destroy" followed by
"radeon_bo_reference" "r600_bo_destroy" "r600_bo_reference" etc.

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[Bug 36563] Unity locks up with latest xorg/mesa/dri/drm

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=36563

--- Comment #7 from Rune K. Svendsen  2011-05-26 
12:35:15 PDT ---
I have found a reliable way of reproducing this bug on this computer at least.

Compiz must be enabled.
1. Go to CompizConfig Settings Manager (ccsm)
2. Under "Window Management"->"Resize Window" in the "General" tab, choose
"Normal" as the Default Resize Mode. This will cause windows to resize
real-time, as they are dragged by their corners/sides.
3. Open up gnome-terminal and start resizing the window quickly, it will lag a
lot and eventually hang compiz.

The output of gdb after attaching is similar to that of the "Second output"
(https://bugs.freedesktop.org/attachment.cgi?id=47160) attached to this bug
report. Ie. line #3 in Thread 1 is "radeon_bo_destroy" followed by
"radeon_bo_reference" "r600_bo_destroy" "r600_bo_reference" etc.

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[Bug 36563] Unity locks up with latest xorg/mesa/dri/drm

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=36563

--- Comment #6 from Rune K. Svendsen  2011-05-25 12:34:00 
PDT ---
Created an attachment (id=47160)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=47160)
Second output of running 'thread apply all bt full' in gdb after attaching to
frozen/hung compiz

It just happened again.
I did a 'thread apply all bt full' again, and I can see that the output isn't
the same as the previous time. So I'm attaching this output in case it's
relevant.

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[Bug 36563] Unity locks up with latest xorg/mesa/dri/drm

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=36563

--- Comment #6 from Rune K. Svendsen  2011-05-25 
12:34:00 PDT ---
Created an attachment (id=47160)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=47160)
Second output of running 'thread apply all bt full' in gdb after attaching to
frozen/hung compiz

It just happened again.
I did a 'thread apply all bt full' again, and I can see that the output isn't
the same as the previous time. So I'm attaching this output in case it's
relevant.

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[Bug 36563] Unity locks up with latest xorg/mesa/dri/drm

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=36563

--- Comment #5 from Rune K. Svendsen  2011-05-25 12:27:24 
PDT ---
Created an attachment (id=47157)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=47157)
Output of running 'thread apply all bt full' in gdb after attaching to
frozen/hung compiz

(In reply to comment #3)
> Looks like it's hanging when trying to acquire the radeon->bo_handles_mutex .
> Does running
> 
>  thread apply all bt full
> 
> in gdb give backtraces for any other threads?

I'm attaching the output of that command here.
Please let me know if I'm missing any relevant debug symbols. I can see a lot
of the loaded libraries don't have debug symbols, so please let me know which
are relevant, if any.

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[Bug 36563] Unity locks up with latest xorg/mesa/dri/drm

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=36563

--- Comment #5 from Rune K. Svendsen  2011-05-25 
12:27:24 PDT ---
Created an attachment (id=47157)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=47157)
Output of running 'thread apply all bt full' in gdb after attaching to
frozen/hung compiz

(In reply to comment #3)
> Looks like it's hanging when trying to acquire the radeon->bo_handles_mutex .
> Does running
> 
>  thread apply all bt full
> 
> in gdb give backtraces for any other threads?

I'm attaching the output of that command here.
Please let me know if I'm missing any relevant debug symbols. I can see a lot
of the loaded libraries don't have debug symbols, so please let me know which
are relevant, if any.

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[Bug 36563] Unity locks up with latest xorg/mesa/dri/drm

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https://bugs.freedesktop.org/show_bug.cgi?id=36563

--- Comment #4 from Ernst Sjöstrand  2011-05-23 01:18:46 PDT 
---
Yes, it's probably when a new window is created or similar. But just opening
100 gnome-terminals doesn't trigger it so it's not super easy to trigger.

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[Bug 36563] Unity locks up with latest xorg/mesa/dri/drm

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=36563

--- Comment #4 from Ernst Sj?strand  2011-05-23 01:18:46 
PDT ---
Yes, it's probably when a new window is created or similar. But just opening
100 gnome-terminals doesn't trigger it so it's not super easy to trigger.

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[Bug 36563] Unity locks up with latest xorg/mesa/dri/drm

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https://bugs.freedesktop.org/show_bug.cgi?id=36563

--- Comment #3 from Michel Dänzer  2011-05-23 00:31:17 PDT 
---
Looks like it's hanging when trying to acquire the radeon->bo_handles_mutex .
Does running

 thread apply all bt full

in gdb give backtraces for any other threads?

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[Bug 36563] Unity locks up with latest xorg/mesa/dri/drm

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=36563

--- Comment #3 from Michel D?nzer  2011-05-23 00:31:17 
PDT ---
Looks like it's hanging when trying to acquire the radeon->bo_handles_mutex .
Does running

 thread apply all bt full

in gdb give backtraces for any other threads?

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[Bug 36563] Unity locks up with latest xorg/mesa/dri/drm

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=36563

--- Comment #2 from Rune K. Svendsen  2011-05-22 14:37:17 
PDT ---
Created an attachment (id=47018)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=47018)
Output of gdb after attaching to frozen/hung compiz

I'm experiencing this bug as well, it seems. I'm attaching the output of gdb
after attaching to compiz (which is what hangs/freezes).

This bug happens when a new window wants to open. That's my experience at
least. It can be any window. A new dialog in an existing program, or a new
program opening up a window (for example mplayer).

This happens for me using mesa from git from this PPA:
https://launchpad.net/~oibaf/+archive/graphics-drivers/

I'm on r600g and x86-64 as well.

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[Bug 36563] Unity locks up with latest xorg/mesa/dri/drm

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=36563

--- Comment #2 from Rune K. Svendsen  2011-05-22 
14:37:17 PDT ---
Created an attachment (id=47018)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=47018)
Output of gdb after attaching to frozen/hung compiz

I'm experiencing this bug as well, it seems. I'm attaching the output of gdb
after attaching to compiz (which is what hangs/freezes).

This bug happens when a new window wants to open. That's my experience at
least. It can be any window. A new dialog in an existing program, or a new
program opening up a window (for example mplayer).

This happens for me using mesa from git from this PPA:
https://launchpad.net/~oibaf/+archive/graphics-drivers/

I'm on r600g and x86-64 as well.

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[Bug 36563] Unity locks up with latest xorg/mesa/dri/drm

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=36563

--- Comment #1 from Ernst Sjöstrand  2011-04-26 21:35:31 PDT 
---
I was in a hurry but I thought it was better with a quick bugreport than no
report at all. :-)
This was with Ubuntu Natty's 2.6.38 kernel + xorg-edgers 20110422.
Can't remember exactly what I did, some window management operation. Hasn't
happened since.
Attached to compiz with gdb from the console and got the backtrace when this
happened.

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[Bug 36563] Unity locks up with latest xorg/mesa/dri/drm

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=36563

--- Comment #1 from Ernst Sj?strand  2011-04-26 21:35:31 
PDT ---
I was in a hurry but I thought it was better with a quick bugreport than no
report at all. :-)
This was with Ubuntu Natty's 2.6.38 kernel + xorg-edgers 20110422.
Can't remember exactly what I did, some window management operation. Hasn't
happened since.
Attached to compiz with gdb from the console and got the backtrace when this
happened.

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[Bug 36563] Unity locks up with latest xorg/mesa/dri/drm

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=36563

Alex Deucher  changed:

   What|Removed |Added

Product|DRI |Mesa
Version|XOrg CVS|git
  Component|General |Drivers/Gallium/r600

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[Bug 36563] Unity locks up with latest xorg/mesa/dri/drm

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=36563

Alex Deucher  changed:

   What|Removed |Added

Product|DRI |Mesa
Version|XOrg CVS|git
  Component|General |Drivers/Gallium/r600

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