Comment 12 for bug 547147

Echoing totof1169...

I WAS recently playing with resolutions while hooking up an external monitor via xrandr, while running compiz.
I am also experiencing sporadic problems such as short delays, ls: reading directory .: Input/output errors, system not recognizing the ctrl key on and off.

May 27 13:12:10 vortex kernel: [35892.106393]
May 27 13:12:10 vortex kernel: [35892.209471] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 57
May 27 13:12:10 vortex kernel: [35892.209487] [drm:edid_is_valid] *ERROR* Raw EDID:
May 27 13:12:10 vortex kernel: [35892.209502] <3>00 ff ff ff ff ff ff 00 22 64 25 03 da 5f 00 00 ........"d%.._..
May 27 13:12:10 vortex kernel: [35892.209515] <3>00 12 01 03 80 14 0b 78 0a 80 36 9a 5e 5d 91 28 .......x..6.^].(
May 27 13:12:10 vortex kernel: [35892.209526] <3>20 4f 54 00 00 00 01 01 01 01 01 01 01 01 01 01 OT.............
May 27 13:12:10 vortex kernel: [35892.209538] <3>01 01 01 01 01 01 94 11 00 b0 40 58 19 20 35 23 ..........@X. 5#
May 27 13:12:10 vortex kernel: [35892.209550] <3>45 00 c3 71 00 00 00 19 00 00 00 fd 00 37 41 22 E..q.........7A"
May 27 13:12:10 vortex kernel: [35892.209562] <3>29 05 00 0a 20 20 20 20 20 20 00 00 00 fc 00 48 )... .....H
May 27 13:12:10 vortex kernel: [35892.209573] <3>53 44 30 38 39 49 46 57 31 0a 20 20 00 00 00 10 SD089IFW1. ....
May 27 13:12:10 vortex kernel: [35892.209585] <3>00 0a 20 20 20 20 20 20 20 20 20 20 20 20 00 74 .. .t
May 27 13:12:10 vortex kernel: [35892.209593]
May 27 13:12:10 vortex kernel: [35892.209605] i915 0000:00:02.0: LVDS-1: EDID invalid.