[Bug 26144] Xorg Locks up when modesetting is enabled on RS482 [radeon]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=26144

--- Comment #12 from Eric Moncrieff <emoncrieff at oanda.com> 2010-11-15 14:37:20 PST ---
emoncrieff at eric-lt:/var/log$ uname -a
Linux eric-lt 2.6.35-22-generic #35-Ubuntu SMP Sat Oct 16 20:36:48 UTC 2010
i686 GNU/Linux

Running on an Intel Core Duo CPU.  I've also observed it in whatever the stock
kernel for Ubuntu 10.04 was.  At the bottom of the Xorg.log, I see:


[   147.333] (II) AIGLX: Suspending AIGLX clients for VT switch
[  1307.549] 
Backtrace:
[  1307.549] 0: /usr/bin/X (xorg_backtrace+0x3b) [0x80e82fb]
[  1307.549] 1: /usr/bin/X (0x8048000+0x5da8d) [0x80a5a8d]
[  1307.549] 2: (vdso) (__kernel_rt_sigreturn+0x0) [0x42040c]
[  1307.550] 3: /usr/bin/X (FreeClientResources+0xed) [0x808f04d]
[  1307.550] 4: /usr/bin/X (FreeAllResources+0x60) [0x808f120]
[  1307.550] 5: /usr/bin/X (0x8048000+0x1a5e6) [0x80625e6]
[  1307.550] 6: /lib/libc.so.6 (__libc_start_main+0xe7) [0x25fce7]
[  1307.550] 7: /usr/bin/X (0x8048000+0x1a191) [0x8062191]
[  1307.550] Segmentation fault at address 0xd000004
[  1307.550] 
Caught signal 11 (Segmentation fault). Server aborting
[  1307.550] 
Please consult the The X.Org Foundation support 
     at http://wiki.x.org
 for help. 
[  1307.550] Please also check the log file at "/var/log/Xorg.0.log" for
additional information.
[  1307.550] 
[  1307.550] (II) TPPS/2 IBM TrackPoint: Close
[  1307.550] (II) UnloadModule: "evdev"
[  1307.550] (II) ThinkPad Extra Buttons: Close
[  1307.550] (II) UnloadModule: "evdev"
[  1307.550] (II) UnloadModule: "synaptics"
[  1307.550] (II) AT Translated Set 2 keyboard: Close
[  1307.550] (II) UnloadModule: "evdev"
[  1307.550] (II) Sleep Button: Close
[  1307.550] (II) UnloadModule: "evdev"
[  1307.550] (II) Video Bus: Close
[  1307.551] (II) UnloadModule: "evdev"
[  1307.551] (II) Power Button: Close
[  1307.551] (II) UnloadModule: "evdev"
[  1307.569]  ddxSigGiveUp: Closing log

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