# dmsg 
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[   23.971848] init: plymouth-upstart-bridge main process ended, respawning
[   23.999066] init: plymouth-upstart-bridge main process ended, respawning
[   30.044048] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 1
[   30.044056] Raw EDID:
[   30.044059]  	00 ff ff ff ff ff ff 00 05 e3 16 17 c8 5d 01 00
[   30.044062]  	1b 11 01 03 68 22 1b 78 e8 0e 80 a7 53 4c 98 24
[   30.044064]  	14 50 54 bf e0 00 81 c0 01 01 01 01 01 01 01 01
[   30.044066]  	01 01 01 01 01 01 1a 1d 00 80 51 d0 1c 20 40 80
[   30.044068]  	35 00 54 0e 11 00 00 1c 00 00 00 ff 00 44 33 32
[   30.044070]  	37 37 4a 41 30 38 39 35 34 34 00 00 00 fd 00 32
[   30.044072]  	4b 1f 3a 08 00 0a 20 20 20 20 20 20 00 00 00 fc
[   30.044074]  	00 37 31 36 53 77 0a 21 20 20 20 20 20 20 00 f6
[   30.116064] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 32
[   30.116072] Raw EDID:
[   30.116075]  	00 ff ff ff ff ff ff 00 05 e3 16 17 c8 5d 01 00
[   30.116078]  	1b 11 01 03 68 22 1b 78 e8 0e 80 a7 53 4c 98 24
[   30.116080]  	14 50 54 bf e0 00 81 c0 01 01 01 01 01 01 21 01
[   30.116082]  	01 01 01 01 01 01 1a 1d 00 80 51 d0 1c 20 40 80
[   30.116084]  	35 00 54 0e 11 00 00 1c 00 00 00 ff 00 44 33 32
[   30.116086]  	37 37 4a 41 30 38 39 35 34 34 00 00 00 fd 00 32
[   30.116088]  	4b 1f 3a 08 00 0a 20 20 20 20 20 20 00 00 00 fc
[   30.116090]  	00 37 31 36 53 77 0a 20 20 20 20 20 20 20 00 f6
[   30.188100] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 128
[   30.188108] Raw EDID:
[   30.188112]  	00 ff ff ff ff ff ff 00 05 e3 16 17 c8 5d 01 00
[   30.188114]  	1b 11 01 03 68 22 1b 78 e8 0e 80 a7 53 4c 98 24
[   30.188116]  	14 50 54 bf e0 00 81 c0 01 01 01 01 01 01 01 01
[   30.188118]  	01 01 01 01 01 01 1a 1d 00 80 51 d0 1c 20 40 80
[   30.188120]  	35 00 54 0e 11 00 00 1c 00 00 00 ff 00 44 33 32
[   30.188122]  	37 37 4a 41 30 38 39 35 34 34 00 00 00 fd 00 32
[   30.188124]  	4b 1f 3a 08 00 0a 20 20 20 20 20 a0 00 00 00 fc
[   30.188126]  	00 37 31 36 53 77 0a 20 20 20 20 20 20 20 00 f6
[   39.808038] [drm] stuck on render ring
[   39.808056] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[   39.808064] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.
[   39.808070] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel
[   39.808073] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue.
[   39.808075] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it.
[   39.808933] [drm:i915_set_reset_status] *ERROR* render ring hung flushing bo (0x76e000 ctx 0) at 0xd5c
[   39.864063] [drm] GMBUS [i915 gmbus vga] timed out, falling back to bit banging on pin 2
[   40.316040] [drm:i915_reset] *ERROR* Failed to reset chip.
[   47.000300] audit_printk_skb: 132 callbacks suppressed
[   47.000306] type=1400 audit(1413201160.025:74): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=1976 comm="apparmor_parser
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