Comment 3 for bug 887445

I should also add explicitly what is written in Xorg.0.log and syslog when I try to login

[ 2919.224]
Backtrace:
[ 2919.224] 0: /usr/bin/X (xorg_backtrace+0x26) [0x460566]
[ 2919.224] 1: /usr/bin/X (0x400000+0x64b7a) [0x464b7a]
[ 2919.224] 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7fc8fdac6000+0x10060) [0x7fc8fdad6060]
[ 2919.224] 3: /lib/x86_64-linux-gnu/libc.so.6 (__select+0x13) [0x7fc8fcabb8f3]
[ 2919.224] 4: /usr/bin/X (WaitForSomething+0x19b) [0x45dffb]
[ 2919.225] 5: /usr/bin/X (0x400000+0x2f912) [0x42f912]
[ 2919.225] 6: /usr/bin/X (0x400000+0x232fe) [0x4232fe]
[ 2919.225] 7: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xed) [0x7fc8fca0230d]
[ 2919.225] 8: /usr/bin/X (0x400000+0x235ed) [0x4235ed]
[ 2919.225]
Caught signal 3 (Quit). Server aborting
[ 2919.225]
Please consult the The X.Org Foundation support
  at http://wiki.x.org
 for help.
[ 2919.225] Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[ 2919.225]
[ 2919.231] (II) Power Button: Close
[ 2919.231] (II) UnloadModule: "evdev"
[ 2919.231] (II) Unloading evdev
[ 2919.268] (II) Video Bus: Close
[ 2919.268] (II) UnloadModule: "evdev"
[ 2919.268] (II) Unloading evdev
[ 2919.288] (II) Sleep Button: Close
[ 2919.288] (II) UnloadModule: "evdev"
[ 2919.288] (II) Unloading evdev
[ 2919.316] (II) CKF7063: Close
[ 2919.316] (II) UnloadModule: "evdev"
[ 2919.316] (II) Unloading evdev
[ 2919.360] (II) Logitech USB Optical Mouse: Close
[ 2919.360] (II) UnloadModule: "evdev"
[ 2919.360] (II) Unloading evdev
[ 2919.384] (II) AT Translated Set 2 keyboard: Close
[ 2919.384] (II) UnloadModule: "evdev"
[ 2919.384] (II) Unloading evdev
[ 2919.411] (II) UnloadModule: "synaptics"
[ 2919.411] (II) Unloading synaptics
[ 2919.424] (II) HP WMI hotkeys: Close
[ 2919.425] (II) UnloadModule: "evdev"
[ 2919.425] (II) Unloading evdev
[ 2919.425] (II) AIGLX: Suspending AIGLX clients for VT switch
[ 2919.429] ddxSigGiveUp: Closing log

==> /var/log/syslog <==
Nov 8 08:42:13 burken acpid: client 24671[0:0] has disconnected
Nov 8 08:42:13 burken acpid: client connected from 27478[0:0]
Nov 8 08:42:13 burken acpid: 1 client rule loaded