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[Ian Will <icwill@xxxxxxxxx>]

*** This bug is a duplicate of bug 762918 ***
    https://bugs.launchpad.net/bugs/762918

** This bug has been marked a duplicate of bug 762918
   Natty Screensaver freezes system after some period of inactivity

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https://bugs.launchpad.net/bugs/882007

Title:
  gnome-screensaver fails to resume after screen lock (segfaults)

Status in “gnome-screensaver” package in Ubuntu:
  New

Bug description:
  1) lsb_release -rd
  Description:  Ubuntu 11.10
  Release:   11.10

  2) apt-cache policy gnome-screensaver
  Installed:  3.2.0-0ubuntu1
  Candidate:  3.2.0-0ubuntu1
  Version table:
  *** 3.2.0-0ubuntu1 0
    500 http://us.archive.ubuntu.com/ubuntu/ oneiric/main amd64 Packages
    100 /var/lib/dpkg/status

  3) When the screen is locked, typically it should resume after mouse movement or keyboard input and provide a log-in prompt.
  4) When mouse or keyboard event happen after screen lock, the cursor will move around but the screen is blank.  I am able to access a non-X terminal via ctrl-alt-F1, but the X server is hung and must be killed.  

  The output of dmesg | tail is

  [16621.910506]  [<ffffffff8117939a>] do_vfs_ioctl+0x8a/0x340
  [16621.910508]  [<ffffffff811796e1>] sys_ioctl+0x91/0xa0
  [16621.910512]  [<ffffffff815f22c2>] system_call_fastpath+0x16/0x1b
  [16621.910514] ---[ end trace ce3b9456974e9ef8 ]---
  [16625.532183] usb 2-5.3.4: USB disconnect, device number 9
  [16627.125468] usb 2-5.3.5: reset high speed USB device number 10 using ehci_hcd
  [16627.309145] usb 2-5.3.7: reset full speed USB device number 11 using ehci_hcd
  [16627.512684] usb 3-1: reset full speed USB device number 2 using uhci_hcd
  [16638.426057] gnome-screensav[2108]: segfault at 5 ip 00007f5e47fda859 sp 00007fff7fe06690 error 4 in libcairo.so.2.11000.2[7f5e47fa1000+b9000]
  [20241.656554] gnome-screensav[8820]: segfault at 5 ip 00007fad73a01859 sp 00007fffd2f02b10 error 4 in libcairo.so.2.11000.2[7fad739c8000+b9000]

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