Public bug reported:
Reproducible crash:
1) start x
2) (terminal): xinput test-xi2 10
[10 is the device id, see below]
3) use touch device on the window a bit, use more than 2 fingers, and
occassionally click into the terminal window
4) xserver segfaults after at most a few tries of 3), i.e. less than 15 seconds
of trying
Output of xinput list:
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ Logitech USB-PS/2 Optical Mouse id=8 [slave pointer (2)]
⎜ ↳ Advanced Silicon S.A CoolTouch(TM) System id=10 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ Power Button id=6 [slave keyboard (3)]
↳ Power Button id=7 [slave keyboard (3)]
↳ Cherry GmbH id=9 [slave keyboard (3)]
Affected Versions (summary):
xserver-xorg-core_1.14.1-0ubuntu0.8_i386
xserver-xorg-core_1.13.3-0ubuntu6_i386
My base system is actually debian testing with a custom 3.10-rc4 x86_64
kernel, but the crash is clearly related to the (manually installed and
newer) ubuntu xorg packages and not the base system.
** Affects: xorg-server (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "gdb backtrace"
https://bugs.launchpad.net/bugs/1198332/+attachment/3726260/+files/xorg-bt-full.txt
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https://bugs.launchpad.net/bugs/1198332
Title:
Crash when using multi-touch input
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