ssita@miro:~$ ls -la /var/crash/
total 8
drwxrwsrwt  2 root whoopsie 4096 Jul 23 09:07 .
drwxr-xr-x 13 root root     4096 Mar 12 10:00 ..
nessita@miro:~$ 
nessita@miro:~$ cat .cache/upstart/unity7.log
XIO:  fatal IO error 11 (Resource temporarily unavailable) on X server ":0"
      after 12475 requests (12475 known processed) with 16 events remaining.
compiz (core) - Info: Loading plugin: core
compiz (core) - Info: Starting plugin: core
compiz (core) - Info: Loading plugin: ccp
compiz (core) - Info: Starting plugin: ccp
compizconfig - Info: Backend     : gsettings
compizconfig - Info: Integration : true
compizconfig - Info: Profile     : unity
compiz (core) - Info: Loading plugin: move
compiz (core) - Info: Starting plugin: move
compiz (core) - Info: Loading plugin: regex
compiz (core) - Info: Starting plugin: regex
compiz (core) - Info: Loading plugin: mousepoll
compiz (core) - Info: Starting plugin: mousepoll
compiz (core) - Info: Loading plugin: imgpng
compiz (core) - Info: Starting plugin: imgpng
compiz (core) - Info: Loading plugin: snap
compiz (core) - Info: Starting plugin: snap
compiz (core) - Info: Loading plugin: session
compiz (core) - Info: Starting plugin: session
compiz (core) - Info: Loading plugin: compiztoolbox
compiz (core) - Info: Starting plugin: compiztoolbox
compiz (core) - Error: Plugin 'composite' not loaded.

compiz (core) - Info: Loading plugin: commands
compiz (core) - Info: Starting plugin: commands
compiz (core) - Info: Loading plugin: resize
compiz (core) - Info: Starting plugin: resize
compiz (core) - Info: Loading plugin: workarounds
compiz (core) - Info: Starting plugin: workarounds
compiz (core) - Error: Plugin 'composite' not loaded.

compiz (core) - Warn: Attempted to restack relative to 0x280006b which is not a child of the root window or a window compiz owns