Bug#550970: xserver-xorg: Caught signal 11. Server aborting

[Julien Cristau <jcristau@debian.org>]

On Wed, Oct 14, 2009 at 16:30:02 +0200, Giuseppe Sacco wrote:

> About once a week, I see X restarted while I have an X session running.
> I did not find a reason for that. This time it happened while
> reconnecting the power cord to the laptop.
> 
> Xorg.0.log.old ends with these lines:
> 
> [...]
> (II) config/hal: Adding input device USB Mouse
> (**) USB Mouse: always reports core events
> (**) USB Mouse: Device: "/dev/input/event8"
> (II) USB Mouse: Found 3 mouse buttons
> (II) USB Mouse: Found x and y relative axes
> (II) USB Mouse: Found scroll wheel(s)
> (II) USB Mouse: Configuring as mouse
> (**) USB Mouse: YAxisMapping: buttons 4 and 5
> (**) USB Mouse: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
> (II) XINPUT: Adding extended input device "USB Mouse" (type: MOUSE)
> (**) USB Mouse: (accel) keeping acceleration scheme 1
> (**) USB Mouse: (accel) filter chain progression: 2.00
> (**) USB Mouse: (accel) filter stage 0: 20.00 ms
> (**) USB Mouse: (accel) set acceleration profile 0
> (II) USB Mouse: initialized for relative axes.
> 
> Backtrace:
> 0: /usr/bin/X(xorg_backtrace+0x3b) [0x81314cb]
> 1: /usr/bin/X(xf86SigHandler+0x51) [0x80c57f1]
> 2: [0xb7f4b400]
> 3: /usr/bin/X(BlockHandler+0x94) [0x8090454]
> 4: /usr/bin/X(WaitForSomething+0x124) [0x812ee74]
> 5: /usr/bin/X(Dispatch+0x96) [0x808c5f6]
> 6: /usr/bin/X(main+0x3aa) [0x8071b8a]
> 7: /lib/i686/cmov/libc.so.6(__libc_start_main+0xe5) [0xb7bdd7a5]
> 8: /usr/bin/X [0x8071051]
> 
This could be bugs.freedesktop.org/23048.  Care to apply the patch there
and unplug/replug your mouse a few times to try and reproduce?

Cheers,
Julien