[Bug 71697] New: [radeonsi] gtkperf hangs the system

[Bug 71697] New: [radeonsi] gtkperf hangs the system

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=71697

          Priority: medium
            Bug ID: 71697
          Assignee: dri-devel@lists.freedesktop.org
           Summary: [radeonsi] gtkperf hangs the system
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: darkbasic@linuxsystems.it
          Hardware: Other
            Status: NEW
           Version: XOrg CVS
         Component: DRM/Radeon
           Product: DRI

HD 7950
drm-next-3.13 (agd5f tree)
libdrm git
mesa git
xf86-video-ati git
xorg-server-1.14.4 + DRI-loader-entrypoint
glamor git
llvm 3.4 git

The system hangs about a minute after gtkperf started, there is nothing in
/var/log/messages.

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[Bug 71697] [radeonsi] gtkperf hangs the system

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https://bugs.freedesktop.org/show_bug.cgi?id=71697

--- Comment #1 from darkbasic <darkbasic@linuxsystems.it> ---
It is a regression because it used to work, not in the kernel becuase 3.12
still hangs.

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[Bug 71697] [radeonsi] gtkperf hangs the system

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https://bugs.freedesktop.org/show_bug.cgi?id=71697

--- Comment #2 from Alex Deucher <agd5f@yahoo.com> ---
Can you narrow down which component (kernel, mesa, llvm, etc.) update caused
the problem?

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[Bug 71697] [radeonsi] gtkperf hangs the system

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https://bugs.freedesktop.org/show_bug.cgi?id=71697

--- Comment #3 from darkbasic <darkbasic@linuxsystems.it> ---
It will not be that easy.. I don't use gtkperf since a few time and every
single component of my graphic stack is pulled from git master. I recompiled
kernel 3.12 which doesn't work but maybe the working one was 3.11, I tried
downgrading glamor but X didn't start at all, maybe I needed to recompile
xf86-video-ati. It's a time consuming process, being able to enable some kind
of debug to have some hints would be preferable.

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[Bug 71697] [radeonsi] gtkperf hangs the system

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https://bugs.freedesktop.org/show_bug.cgi?id=71697

--- Comment #4 from Thue Janus Kristensen <thuejk@gmail.com> ---
It is probably the "GtkDrawingArea - Lines" component. The same problem is
described in bug 68524. It is caused by the glamor software fallback being
extremely slow. And obviously somehow mostly excluding other drawing
operations.

On my system, it doesn't crash the system, it only makes it extremely slow to
respond.

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[Bug 71697] [radeonsi] gtkperf hangs the system

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https://bugs.freedesktop.org/show_bug.cgi?id=71697

--- Comment #5 from darkbasic <darkbasic@linuxsystems.it> ---
So slow that it doesn't even switch to a virtual terminal with CTRL+ALT+F1?
I checked some of the tests I did in the past with 3.12-pre-rc1 and I didn't do
the total time test (the one which currently hangs):
http://openbenchmarking.org/result/1309135-SO-2D744911973

I was pretty sure I did it in the past, but considering I don't find a
benchmark of the total time I assume to be wrong.

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[Bug 71697] [radeonsi] gtkperf hangs the system

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https://bugs.freedesktop.org/show_bug.cgi?id=71697

--- Comment #6 from Thue Janus Kristensen <thuejk@gmail.com> ---
> So slow that it doesn't even switch to a virtual terminal with CTRL+ALT+F1?

I could switch to a virtual terminal on my system. But X11 itself was frozen
for a good while.

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[Bug 71697] [radeonsi] gtkperf hangs the system

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https://bugs.freedesktop.org/show_bug.cgi?id=71697

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

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

--- Comment #7 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/404.

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