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[Michael Vogt <michael.vogt@xxxxxxxxxx>]

Public bug reported:

Binary package hint: xorg

Segmentation fault on resume:

[700844.831] (II) AT Translated Set 2 keyboard: Device reopened after 1 attempts.
[700844.871] (II) ThinkPad Extra Buttons: Device reopened after 1 attempts.
[700844.871] (II) config/udev: Adding input device (unnamed) (/dev/input/mouse0)
[700844.871] (II) No input driver/identifier specified (ignoring)
[700844.888]
Backtrace:
[700844.889] 0: /usr/bin/X (xorg_backtrace+0x28) [0x4a0fa8]
[700844.889] 1: /usr/bin/X (0x400000+0x60fcd) [0x460fcd]
[700844.889] 2: /lib/libpthread.so.0 (0x7faf1b672000+0xfb40) [0x7faf1b681b40]
[700844.889] 3: /usr/lib/xorg/modules/input/synaptics_drv.so (0x7faf16839000+0x78be) [0x7faf168408be]
[700844.889] 4: /usr/bin/X (XIChangeDeviceProperty+0x278) [0x4ea288]
[700844.889] 5: /usr/bin/X (0x400000+0xea59b) [0x4ea59b]
[700844.889] 6: /usr/bin/X (0x400000+0x2c2d9) [0x42c2d9]
[700844.889] 7: /usr/bin/X (0x400000+0x2184b) [0x42184b]
[700844.889] 8: /lib/libc.so.6 (__libc_start_main+0xfe) [0x7faf1a5ddd8e]
[700844.889] 9: /usr/bin/X (0x400000+0x213d9) [0x4213d9]
[700844.889] Segmentation fault at address (nil)
[700844.889]
Caught signal 11 (Segmentation fault). Server aborting
[700844.889]
Please consult the The X.Org Foundation support
         at http://wiki.x.org
 for help.
[700844.889] Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[700844.889]


I use:
# xinput list
#                   device  what prop-len value

ID=$(xinput list|grep TrackPoint|awk '{print $6}'|tail -n1|cut -d= -f2)
echo "Found id $ID"

xinput set-int-prop $ID "Evdev Wheel Emulation" 8 1
xinput set-int-prop $ID "Evdev Wheel Emulation Button" 8 2

to map the middle mouse button to scroll wheel.

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New

-- 
segfault on resume
https://bugs.launchpad.net/bugs/667010
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