Created attachment 22447 [details] xorg configuration file I'm not sure where this belongs, nor did I get a (proper) backtrace, but this seems straightforward enough that I hope this is enough information. All from Debian packages in experimental-- X.org 1.6rc2 inputproto 1.5.0 xf86-input-evdev 2.1.1 libXi 1.2.0 xinput (app) 1.4.0 --- andrewbarr@andrew-laptop:~$ xinput list "Virtual core pointer" id=0 [XPointer] Num_buttons is 32 Num_axes is 2 Mode is Relative Motion_buffer is 256 Axis 0 : Min_value is -1 Max_value is -1 Resolution is 0 Axis 1 : Min_value is -1 Max_value is -1 Resolution is 0 "Virtual core keyboard" id=1 [XKeyboard] Num_keys is 248 Min_keycode is 8 Max_keycode is 255 "Synaptics Touchpad" id=2 [XExtensionPointer] Num_buttons is 12 Num_axes is 2 Mode is Relative Motion_buffer is 256 Axis 0 : Min_value is 1472 Max_value is 5472 Resolution is 1 Axis 1 : Min_value is 1408 Max_value is 4448 Resolution is 1 "SynPS/2 Synaptics TouchPad" id=3 [XExtensionPointer] Num_buttons is 12 Num_axes is 2 Mode is Relative Motion_buffer is 256 Axis 0 : Min_value is 1472 Max_value is 5472 Resolution is 1 Axis 1 : Min_value is 1408 Max_value is 4448 Resolution is 1 "ThinkPad Extra Buttons" id=4 [XExtensionKeyboard] Num_keys is 248 Min_keycode is 8 Max_keycode is 255 "Video Bus" id=5 [XExtensionKeyboard] Num_keys is 248 Min_keycode is 8 Max_keycode is 255 "/usr/sbin/thinkpad-keys" id=6 [XExtensionKeyboard] Num_keys is 248 Min_keycode is 8 Max_keycode is 255 "TPPS/2 IBM TrackPoint" id=7 [XExtensionPointer] Num_buttons is 32 Num_axes is 2 Mode is Relative Motion_buffer is 256 Axis 0 : Min_value is -1 Max_value is -1 Resolution is 1 Axis 1 : Min_value is -1 Max_value is -1 Resolution is 1 "AT Translated Set 2 keyboard" id=8 [XExtensionKeyboard] Num_keys is 248 Min_keycode is 8 Max_keycode is 255 andrewbarr@andrew-laptop:~$ xinput list-props 7 Device 'TPPS/2 IBM TrackPoint': Device Enabled (109): 1 Evdev Axis Inversion (275): 0, 0 Evdev Reopen Attempts (272): 10 Evdev Axis Calibration (273): Evdev Axes Swap (274): 0 Evdev Middle Button Emulation (276): 1 Evdev Middle Button Timeout (277): 50 Evdev Wheel Emulation (278): 1 Evdev Wheel Emulation Axes (279): 0, 0, 4, 5 Evdev Wheel Emulation Inertia (280): 10 Evdev Wheel Emulation Timeout (281): 200 Evdev Wheel Emulation Button (282): 2 Evdev Drag Lock Buttons (283): 0 andrewbarr@andrew-laptop:~$ xinput set-int-prop 2 282 8 --- (note the actual property value is missing from the last command) This last command, if executed, will crash the X server. Any attempt to leave off the actual value of any other property than that one will result in a BadMatch error from the server. --- Backtrace: 0: /usr/bin/X(xorg_backtrace+0x3b) [0x813159b] 1: /usr/bin/X(xf86SigHandler+0x51) [0x80d1b51] 2: [0xb8037400] 3: /usr/bin/X(XIChangeDeviceProperty+0x1c3) [0x81886d3] 4: /usr/bin/X(ProcXChangeDeviceProperty+0x167) [0x8188a07] 5: /usr/bin/X [0x8181613] 6: /usr/bin/X(Dispatch+0x33f) [0x808c51f] 7: /usr/bin/X(main+0x3c5) [0x80716f5] 8: /lib/i686/cmov/libc.so.6(__libc_start_main+0xe5) [0xb7bfa685] 9: /usr/bin/X [0x8070ba1] Fatal server error: Caught signal 11. Server aborting --- - Full Xorg.0.log.old and xorg.conf attached. - HAL is enabled and used to add devices (eg. "AllowEmptyInput" is on) This bug was also present in 1.6rc1.
Created attachment 22448 [details] log of crashed X server
Fixed as commit 07f40a04df28e9ee6318411beb71eedc7cd6e288. Author: Peter Hutterer <peter.hutterer@who-t.net> AuthorDate: Mon Feb 2 11:00:30 2009 +1000 Protect against zero-sized property values. #19882 Thanks for reporting.
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