[Bug 77394] New: Desktop freezes often when KDE starts compositing or mplayer GL window changes - bugzilla-daemon

From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 77394] New: Desktop freezes often when KDE starts compositing or mplayer GL window changes
Date: Sun, 13 Apr 2014 11:35:27 +0000	[thread overview]
Message-ID: <bug-77394-502@http.bugs.freedesktop.org/> (raw)

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https://bugs.freedesktop.org/show_bug.cgi?id=77394

          Priority: medium
            Bug ID: 77394
          Assignee: dri-devel@lists.freedesktop.org
           Summary: Desktop freezes often when KDE starts compositing or
                    mplayer GL window changes
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: nine@detonation.org
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: DRM/Radeon
           Product: DRI

When I turn on KDE compositing the desktop freezes more often than not. These
freezes can also be provoked when configuring mplayer for GL output and opening
a video file. If that alone is not enough, just change repeatedly from window
to fullscreen and back. Attaching Xorg.0.log and dmesg of such a crash.

I can reboot the system cleanly using alt+sysrq+r and ctrl+alt+del but any
attempts to get a nice backtrace of the X server with gdb failed due to the
process hanging in kernel space.

Hardware:
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Curacao XT [Radeon R9 270X]

Running:
kernel 3.14,
libdrm2-2.4.99~git20140411-1.1,
xorg-x11-server-7.6_1.15.99.902-306.1
Mesa-10.2~git20140411-5.1
llvm-r600-3.5~svn20140408-1.1.x86_64
openSUSE 13.1

Downgrading components to openSUSE 13.1 stock versions did not help except for
downgrading the kernel to 3.11.

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