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[Bug 773023] [NEW] Xorg server crashes when using multitouch events

 

Public bug reported:

Binary package hint: xorg

My tablet has a USB dual-touch screen supported via hid-multitouch.
Attempting to touch at two points renders the touch screen unusable even
for single touches. Keep trying it and eventually Xorg segfaults.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: xorg 1:7.6+4ubuntu3
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38.4-ntablet2.cpt.s16bat-22+ i686
Architecture: i386
CompizPlugins: [core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,grid,imgpng,gnomecompat,wall,ezoom,workarounds,staticswitcher,resize,fade,unitymtgrabhandles,scale,session,unityshell]
CompositorRunning: compiz
DRM.card0.LVDS.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1280x720
 edid-base64: AP///////wAGr9URAAAAAAETAQOAFg14CtEVlFZVkykjUFQAAAABAQEBAQEBAQEBAQEBAQEBBhgAcFDQECAwIDYA3n0AAAAYAAAADwAAAAAAAAAAAAAAAAAgAAAA/gBBVU8KICAgICAgICAgAAAA/gBCMTAxRVcwMSBWMSAKAMM=
DRM.card0.VGA.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes: 
 edid-base64:
Date: Fri Apr 29 09:04:06 2011
DistUpgraded: Fresh install
DistroCodename: natty
DistroVariant: ubuntu
GraphicsCard:
 Intel Corporation N10 Family Integrated Graphics Controller [8086:a011] (prog-if 00 [VGA controller])
   Subsystem: Device [1b35:2206]
   Subsystem: Device [1b35:2206]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta i386 (20110413)
MachineType: Intel Intel
ProcEnviron:
 LANGUAGE=en_GB:en
 PATH=(custom, user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-2.6.38.4-ntablet2.cpt.s16bat-22+ root=UUID=0244c5f2-2dfb-40df-b014-ad0c3ff729b0 ro crashkernel=384M-2G:64M,2G-:128M quiet splash vt.handoff=7
Renderer: Unknown
SourcePackage: xorg
Symptom: display
Title: Xorg crash
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/16/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 080016
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: Intel
dmi.board.vendor: Intel
dmi.board.version: 1.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 10
dmi.chassis.vendor: Intel
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr080016:bd12/16/2010:svnIntel:pnIntel:pvr1.0:rvnIntel:rnIntel:rvr1.0:cvnIntel:ct10:cvr1.0:
dmi.product.name: Intel
dmi.product.version: 1.0
dmi.sys.vendor: Intel
version.compiz: compiz 1:0.9.4+bzr20110415-0ubuntu2
version.libdrm2: libdrm2 2.4.23-1ubuntu6
version.libgl1-mesa-dri: libgl1-mesa-dri 7.10.2-0ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.2-0ubuntu2
version.xserver-xorg: xserver-xorg 1:7.6+4ubuntu3
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu4
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu7
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu7

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


** Tags: apport-bug compiz-0.9 crash i386 natty running-unity ubuntu

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https://bugs.launchpad.net/bugs/773023

Title:
  Xorg server crashes when using multitouch events


Follow ups

References