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[Launchpad Bug Tracker <1343527@xxxxxxxxxxxxxxxxxx>]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: xorg (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1343527

Title:
  Xorg crashes on VT switch

Status in xorg package in Ubuntu:
  Confirmed

Bug description:
  Switch in and out of VT7 a few times. Xorg crashes.

  [    49.843] (II) config/udev: Adding input device SynPS/2 Synaptics TouchPad (/dev/input/event4)
  [    49.843] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "evdev touchpad catchall"
  [    49.843] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "touchpad catchall"
  [    49.843] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "Default clickpad buttons"
  [    49.843] (II) LoadModule: "synaptics"
  [    49.843] (II) Loading /usr/lib/xorg/modules/input/synaptics_drv.so
  [    49.863] (II) Module synaptics: vendor="X.Org Foundation"
  [    49.863]    compiled for 1.15.0, module version = 1.7.4
  [    49.863]    Module class: X.Org XInput Driver
  [    49.863]    ABI class: X.Org XInput driver, version 20.0
  [    49.863] (II) Using input driver 'synaptics' for 'SynPS/2 Synaptics TouchPad'
  [    49.863] (**) SynPS/2 Synaptics TouchPad: always reports core events
  [    49.863] (**) Option "Device" "/dev/input/event4"
  [    49.912] (II) synaptics: SynPS/2 Synaptics TouchPad: ignoring touch events for semi-multitouch device
  [    49.912] (--) synaptics: SynPS/2 Synaptics TouchPad: x-axis range 1472 - 5470 (res 60)
  [    49.912] (--) synaptics: SynPS/2 Synaptics TouchPad: y-axis range 1408 - 4498 (res 85)
  [    49.912] (--) synaptics: SynPS/2 Synaptics TouchPad: pressure range 0 - 255
  [    49.912] (--) synaptics: SynPS/2 Synaptics TouchPad: finger width range 0 - 15
  [    49.912] (--) synaptics: SynPS/2 Synaptics TouchPad: buttons: left right double triple
  [    49.912] (--) synaptics: SynPS/2 Synaptics TouchPad: Vendor 0x2 Product 0x7
  [    49.912] (--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found
  [    49.912] (**) SynPS/2 Synaptics TouchPad: always reports core events
  [    49.932] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio1/input/input5/event4"
  [    49.939] (II) XINPUT: Adding extended input device "SynPS/2 Synaptics TouchPad" (type: TOUCHPAD, id 11)
  [    49.939] (**) synaptics: SynPS/2 Synaptics TouchPad: (accel) MinSpeed is now constant deceleration 2.5
  [    49.939] (**) synaptics: SynPS/2 Synaptics TouchPad: (accel) MaxSpeed is now 1.75
  [    49.939] (**) synaptics: SynPS/2 Synaptics TouchPad: (accel) AccelFactor is now 0.040
  [    49.939] (**) SynPS/2 Synaptics TouchPad: (accel) keeping acceleration scheme 1
  [    49.939] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration profile 1
  [    49.939] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration factor: 2.000
  [    49.939] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration threshold: 4
  [    49.939] (--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found
  [    49.939] (II) config/udev: Adding input device SynPS/2 Synaptics TouchPad (/dev/input/mouse0)
  [    49.939] (**) SynPS/2 Synaptics TouchPad: Ignoring device from InputClass "touchpad ignore duplicates"

  Then

  [   421.948] (II) AIGLX: Suspending AIGLX clients for VT switch
  [   453.868] (II) AIGLX: Resuming AIGLX clients after VT switch
  [   454.160] (--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found
  [   454.161] setversion 1.4 failed: Permission denied
  [   467.348] (II) AIGLX: Suspending AIGLX clients for VT switch
  [   474.090] (II) AIGLX: Resuming AIGLX clients after VT switch
  [   474.379] (--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found
  [   479.580] (II) AIGLX: Suspending AIGLX clients for VT switch
  [   486.524] (II) AIGLX: Resuming AIGLX clients after VT switch
  [   486.822] (--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found
  [   488.168] (II) AIGLX: Suspending AIGLX clients for VT switch
  [   703.352] (II) AIGLX: Resuming AIGLX clients after VT switch
  [   703.643] (--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found
  [   707.441] (II) AIGLX: Suspending AIGLX clients for VT switch
  [   991.371] (II) AIGLX: Resuming AIGLX clients after VT switch
  [   991.666] (--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found
  [  1001.828] (II) AIGLX: Suspending AIGLX clients for VT switch
  [  1007.390] (II) AIGLX: Resuming AIGLX clients after VT switch
  [  1007.688] (--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found
  [  1010.192] (II) AIGLX: Suspending AIGLX clients for VT switch
  [  1170.987] (II) AIGLX: Resuming AIGLX clients after VT switch
  [  1171.291] (--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found
  [  1174.996] (II) AIGLX: Suspending AIGLX clients for VT switch
  [  1257.552] (II) AIGLX: Resuming AIGLX clients after VT switch
  [  1257.842] (--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found
  [  1268.040] (II) AIGLX: Suspending AIGLX clients for VT switch
  [  1270.068] (II) AIGLX: Resuming AIGLX clients after VT switch
  [  1270.360] (--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found
  [  1271.448] (EE) 
  [  1271.448] (EE) Backtrace:
  [  1271.449] (EE) 0: /usr/bin/X (xorg_backtrace+0x48) [0x7fa848227c78]
  [  1271.449] (EE) 1: /usr/bin/X (0x7fa84807f000+0x1ac969) [0x7fa84822b969]
  [  1271.449] (EE) 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7fa84717c000+0x10340) [0x7fa84718c340]
  [  1271.449] (EE) 3: /usr/bin/X (mieqProcessDeviceEvent+0x125) [0x7fa84820a025]
  [  1271.449] (EE) 4: /usr/bin/X (mieqProcessInputEvents+0xf7) [0x7fa84820a1e7]
  [  1271.449] (EE) 5: /usr/bin/X (ProcessInputEvents+0x9) [0x7fa848111fe9]
  [  1271.449] (EE) 6: /usr/bin/X (xf86VTSwitch+0x365) [0x7fa848112905]
  [  1271.450] (EE) 7: /usr/bin/X (WakeupHandler+0x6d) [0x7fa8480d943d]
  [  1271.450] (EE) 8: /usr/bin/X (WaitForSomething+0x1bf) [0x7fa84822522f]
  [  1271.450] (EE) 9: /usr/bin/X (0x7fa84807f000+0x55811) [0x7fa8480d4811]
  [  1271.450] (EE) 10: /usr/bin/X (0x7fa84807f000+0x5994a) [0x7fa8480d894a]
  [  1271.450] (EE) 11: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7fa845bbbec5]
  [  1271.450] (EE) 12: /usr/bin/X (0x7fa84807f000+0x44e7e) [0x7fa8480c3e7e]
  [  1271.450] (EE) 
  [  1271.450] (EE) Segmentation fault at address 0x118
  [  1271.450] (EE) 
  Fatal server error:
  [  1271.450] (EE) Caught signal 11 (Segmentation fault). Server aborting
  [  1271.450] (EE) 
  [  1271.450] (EE) 
  Please consult the The X.Org Foundation support 
           at http://wiki.x.org
   for help. 
  [  1271.450] (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.
  [  1271.450] (EE) 
  [  1271.451] (II) AIGLX: Suspending AIGLX clients for VT switch
  [  1271.607] (EE) Server terminated with error (1). Closing log file.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: xserver-xorg 1:7.7+1ubuntu8
  ProcVersionSignature: Ubuntu 3.13.0-30.55-generic 3.13.11.2
  Uname: Linux 3.13.0-30-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Thu Jul 17 12:17:42 2014
  InstallationDate: Installed on 2013-01-24 (538 days ago)
  InstallationMedia: Xubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.1)
  SourcePackage: xorg
  UpgradeStatus: Upgraded to trusty on 2014-07-16 (0 days ago)

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