Looks like SiS X-Server crashed upon logout: [ 1096.753217] (EE) SIS(0): Unable to map IO aperture. Invalid argument (22) [ 1096.753255] (EE) SIS(0): ************************************************** [ 1096.753276] (EE) SIS(0): ERROR: [ 1096.753299] (EE) SIS(0): Could not map MMIO area [ 1096.753319] (EE) SIS(0): END OF MESSAGE [ 1096.753339] (EE) SIS(0): ************************************************** [ 1096.753360] (EE) SIS(0): ************************************************** [ 1096.753380] (EE) SIS(0): ERROR: [ 1096.753399] (EE) SIS(0): SiSMapMem() failed [ 1096.753418] (EE) SIS(0): END OF MESSAGE [ 1096.753437] (EE) SIS(0): **************************************************
Respawning kdm as requested here might fix the problem: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/432521
Or find the reason for SiS driver crash and fix it in the first place.
Looks like SiS X-Server crashed upon logout: ******* ******* ******* ******* ******* ******* * ******* ******* ******* ******* ******* ******* * ******* ******* ******* ******* ******* ******* * ******* ******* ******* ******* ******* ******* *
[ 1096.753217] (EE) SIS(0): Unable to map IO aperture. Invalid argument (22)
[ 1096.753255] (EE) SIS(0): *******
[ 1096.753276] (EE) SIS(0): ERROR:
[ 1096.753299] (EE) SIS(0): Could not map MMIO area
[ 1096.753319] (EE) SIS(0): END OF MESSAGE
[ 1096.753339] (EE) SIS(0): *******
[ 1096.753360] (EE) SIS(0): *******
[ 1096.753380] (EE) SIS(0): ERROR:
[ 1096.753399] (EE) SIS(0): SiSMapMem() failed
[ 1096.753418] (EE) SIS(0): END OF MESSAGE
[ 1096.753437] (EE) SIS(0): *******
Respawning kdm as requested here might fix the problem: /bugs.launchpad .net/ubuntu/ +source/ xserver- xorg-video- intel/+ bug/432521
https:/
Or find the reason for SiS driver crash and fix it in the first place.