Bug#589169: Xserver Crash Using Compiz

[Dave Richards]

Package: xserver-xorg-video-ati
Version: 1:6.9.0-1+lenny4

We are using Debian Linux on 600 HP thin clients and about once every
2-3 weeks those employees that have compiz enabled crash the Xserver.
It seems to always happen when a dialog is closing.  For instance it
happens when you select your printer in OpenOffice and the dialog is
just about starting to close.  It also happens when you click on Send in
an email message in Evolution and the child UI begins to close.

Unfortunately it's not easy to replicate.

I was able to see the crash in the xserver log as indicate below:


        Backtrace:
        0: /usr/bin/X(xf86SigHandler+0x7e) [0x80c91ce]
        1: [0xb7eef400]
        2: /usr/lib/dri/r200_dri.so(_mesa_update_texture+0x276)
        [0xaed4ae76]
        3: /usr/lib/dri/r200_dri.so(_mesa_update_state_locked+0x69a)
        [0xaed32c1a]
        4: /usr/lib/dri/r200_dri.so(_mesa_update_state+0x2a)
        [0xaed32cfa]
        5: /usr/lib/dri/r200_dri.so(_mesa_GetIntegerv+0x260)
        [0xaee11390]
        6: /usr/lib/xorg/modules/extensions//libglx.so [0xb7b8e950]
        7: /usr/lib/xorg/modules/extensions//libglx.so [0xb7b550ac]
        8: /usr/lib/xorg/modules/extensions//libglx.so [0xb7b54727]
        9: /usr/lib/xorg/modules/extensions//libglx.so [0xb7b590d6]
        10: /usr/bin/X [0x8154bf4]
        11: /usr/bin/X(Dispatch+0x314) [0x808de24]
        12: /usr/bin/X(main+0x4b5) [0x8074795]
        13: /lib/libc.so.6(__libc_start_main+0xe5) [0xb7cc1455]
        14: /usr/bin/X(FontFileCompleteXLFD+0x21d) [0x8073a81]
        
        We are using ATI 9250 PCI based video cards.
        
        Those people not running Compiz never see this issue, it's
        definitely related to the 3D GNOME desktop.
        
        The xorg.conf file is below
        -----------------------------------------------------------------------------------------------------------------------
        
        Section "Files"
                FontPath        "/usr/share/fonts/X11/misc"
        EndSection
        
        Section "ServerLayout"
                Identifier     "single head configuration"
                Screen      0  "Screen0" 0 0
                InputDevice    "Keyboard0" "CoreKeyboard"
        #       Option "AIGLX" "true"
        EndSection
        
        Section "Module"
                Load  "glx"
                Load  "dri"
                Load  "drm"
                Load  "extmod"
        EndSection
        
        Section "InputDevice"
                Identifier  "Keyboard0"
                Driver      "kbd"
                Option      "XkbModel" "pc105"
                Option      "XkbLayout" "us"
        EndSection
        
        Section "Device"
                Identifier  "Videocard0"
                Driver      "ati"
                BusID       "0:11:0"
                Option      "ColorTiling" "on"
                Option      "DRI" "true"
                Option      "EnablePageFlip" "on"
                Option      "PseudoColorVisuals" "off"
                Option      "RenderAccel" "true"
                Option      "AccelMethod" "EXA"
                Option      "MigrationHeuristic" "greedy"
        EndSection
        
        Section "Screen"
                Identifier "Screen0"
                Device     "Videocard0"
                DefaultDepth     16
                SubSection "Display"
                        Depth     16
                        Modes    "1440x900"
                EndSubSection
        EndSection
        
        Section "Monitor"
                Identifier "LVDS"
                Option "Disable" "true"
        EndSection
        
        Section "DRI"
                Mode         0666
        EndSection
        
        Section "Extensions"
                Option  "Composite" "true"
                Option  "DAMAGE" "true"
        EndSection
        



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