I seem to have a similar error in my dmesg after coming out of a hibernate:
[18731.061002] video LNXVIDEO:01: Restoring backlight state [18761.766121] [drm:i915_gem_do_execbuffer] *ERROR* Object ffff88008acd8a00 appears more than once in object list Doesn't seem to be causing a problem. (2.6.35-10-generic #15-Ubuntu 64bit , X shows: [ 32.027] (--) PCI:*(0:0:2:0) 8086:27a2:1179:ff10 Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller rev 3, Mem @ 0xdc100000/524288, 0xc0000000/268435456, 0xdc200000/262144, I/O @ 0x00001800/8 [ 32.027] (--) PCI: (0:0:2:1) 8086:27a6:1179:ff10 Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller rev 3, Mem @ 0xdc180000/524288 ) Dave -- Xorg error when switching user - drm:i915_gem_do_execbuffer] *ERROR* Object ef6a5120 appears more than once in object list https://bugs.launchpad.net/bugs/560197 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

