X hangs after pluggin second monitor, BUG: triggered 'if (!dev->valuator || dev->valuator->numAxes < 2)'
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
xorg (Ubuntu) |
Confirmed
|
Undecided
|
Unassigned |
Bug Description
Backtrace:
[ 452.790] 0: /usr/bin/X (xorg_backtrace
[ 452.791] 1: /usr/bin/X (0x7f2d82d87000
[ 452.791] 2: /usr/bin/X (0x7f2d82d87000
[ 452.791] 3: /usr/bin/X (GetPointerEven
[ 452.791] 4: /usr/bin/X (0x7f2d82d87000
[ 452.791] 5: /usr/bin/X (miPointerWarpC
[ 452.791] 6: /usr/bin/X (0x7f2d82d87000
[ 452.791] 7: /usr/bin/X (0x7f2d82d87000
[ 452.791] 8: /usr/bin/X (0x7f2d82d87000
[ 452.791] 9: /usr/bin/X (0x7f2d82d87000
[ 452.791] 10: /usr/bin/X (RRPointerScree
[ 452.791] 11: /usr/bin/X (RRTellChanged+
[ 452.791] 12: /usr/bin/X (RRCrtcSet+0x353) [0x7f2d82e7e9d3]
[ 452.791] 13: /usr/bin/X (ProcRRSetCrtcC
[ 452.791] 14: /usr/bin/X (0x7f2d82d87000
[ 452.791] 15: /usr/bin/X (0x7f2d82d87000
[ 452.791] 16: /lib/x86_
[ 452.791] 17: /usr/bin/X (0x7f2d82d87000
[ 452.791] BUG: triggered 'if (!dev->valuator || dev->valuator-
BUG: ../../dix/
[ 452.791]
Downloaded Precise Beta2, prepared an USB drive to boot from, booted.
Went to Displays.
Unchecked "Mirror displays".
BLAM! Both screens blank, system unresponsive (Ctrl-Alt-Backspace does not work, Ctrl-Alt-F1 does not work, only Magic SysRq does).
I was able to log into the system using ssh from another computer.
The system is a Thinkpad T500 laptop with a second monitor.
description: | updated |
affects: | ubuntu → xorg (Ubuntu) |
tags: | added: precise |
System is still unresponsive and produces the same symptoms after upgrading using ppa:xorg- edgers/ ppa.