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[anatoly techtonik <techtonik@xxxxxxx>]

My lightgdm.log.  Still hangs when I try to switch user after suspend.
However, `dmesg` doesn't contain lightgdm segfaults.

-- cut dmesg --
...
[ 2391.853754] show_signal_msg: 45 callbacks suppressed
[ 2391.853760] compiz[1659]: segfault at 0 ip b69074f7 sp bfc67c30 error 6 in libnvidia-glcore.so.280.13[b5859000+18a0000]
-- ----

-- cut  x-0.log --

X.Org X Server 1.10.4
Release Date: 2011-08-19
X Protocol Version 11, Revision 0
Build Operating System: Linux 2.6.24-29-server i686 Ubuntu
Current Operating System: Linux host 2.6.38-11-generic #50-Ubuntu SMP Mon Sep 12 21:18:14 UTC 2011 i686
Kernel command line: root=UUID=00b0c18b-3e0b-4bec-96ab-b0ab4604afff ro splash vga=786 
Build Date: 19 October 2011  05:09:41AM
xorg-server 2:1.10.4-1ubuntu4.2 (For technical support please see http://www.ubuntu.com/support) 
Current version of pixman: 0.22.2
	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Sat Nov  5 09:43:24 2011
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
(EE) Failed to load module "nv" (module does not exist, 0)

** Attachment added: "lightdm.log"
   https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/874200/+attachment/2586063/+files/lightdm.log

-- 
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Packages, which is subscribed to lightdm in Ubuntu.
https://bugs.launchpad.net/bugs/874200

Title:
  segfault when switching user

Status in “lightdm” package in Ubuntu:
  Incomplete

Bug description:
  When switching to another user lightdm hangs after entering password.
  Cursor just can't enter the field again. Dmesg shows the following:

  ...
  [   67.824062] hub 2-0:1.0: unable to enumerate USB device on port 2
  [17534.653543] show_signal_msg: 36 callbacks suppressed
  [17534.653553] lightdm[4737]: segfault at 0 ip   (null) sp b5dff14c error 4 in libglib-2.0.so.0.3000.0[110000+f7000]
  [17534.666035] init: lightdm main process (886) killed by SEGV signal
  [17685.206223] compiz[1674]: segfault at 0 ip b6bdb4f7 sp bfc713d0 error 6 in libnvidia-glcore.so.280.13[b5b2d000+18a0000]
  [17807.583211] init: tty1 main process ended, respawning
  [17809.882622] init: tty1 main process ended, respawning

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: lightdm 1.0.1-0ubuntu6
  ProcVersionSignature: Ubuntu 2.6.38-11.50-generic 2.6.38.8
  Uname: Linux 2.6.38-11-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 1.23-0ubuntu3
  Architecture: i386
  CheckboxSubmission: b346f016d264f3ef62407d5e29c198a2
  CheckboxSystem: daed2f3d6643b4a84b4520a2427f8c2b
  Date: Fri Oct 14 15:57:05 2011
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: lightdm
  UpgradeStatus: Upgraded to oneiric on 2011-10-02 (12 days ago)

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