abrt version: 1.1.14
architecture: x86_64
Attached file: backtrace
cmdline: /usr/bin/X :0 vt1 -nr -nolisten tcp -auth /var/run/kdm/A:0-NJGKFa
component: xorg-x11-server
crash_function: OsAbort
executable: /usr/bin/Xorg
kernel: 2.6.35.10-74.sb.fc14.x86_64
package: xorg-x11-server-Xorg-1.9.3-4.fc14
rating: 4
reason: Process /usr/bin/Xorg was killed by signal 6 (SIGABRT)
release: Fedora release 14 (Laughlin)
time: 1295859432
uid: 0

comment
-----
Jan 24 08:51:01 segulix kernel: [155811.192814] [drm:i915_gem_create_mmap_offset] *ERROR* failed to add to map hash                        
Jan 24 08:51:01 segulix kernel: [155811.231285] [drm:i915_gem_create_mmap_offset] *ERROR* failed to add to map hash                        
Jan 24 08:51:01 segulix kernel: [155811.245427] [drm:i915_gem_create_mmap_offset] *ERROR* failed to add to map hash                        
Jan 24 08:51:01 segulix kernel: [155811.249060] [drm:i915_gem_create_mmap_offset] *ERROR* failed to add to map hash                        
Jan 24 08:51:01 segulix kernel: [155811.249104] [drm:i915_gem_create_mmap_offset] *ERROR* failed to add to map hash                        
...
 Jan 24 08:57:11 segulix kernel: [156180.806368] [drm:i915_gem_create_mmap_offset] *ERROR* failed to add to map hash                        
Jan 24 08:57:11 segulix kernel: [156180.806423] [drm:i915_gem_create_mmap_offset] *ERROR* failed to add to map hash                        
Jan 24 08:57:11 segulix kernel: [156180.806456] [drm:i915_gem_create_mmap_offset] *ERROR* failed to add to map hash                        
Jan 24 08:57:11 segulix kernel: [156180.806566] [drm:i915_gem_create_mmap_offset] *ERROR* failed to add to map hash                   
 Jan 24 08:57:12 segulix kernel: [156181.352039] dell-wmi: Received unknown WMI event (0x11)                                                                                                                   

How to reproduce
-----
1. I don't know 
2. seems related (not sure) with open and close lid,
3. Recently I notice if I close and open lid very fast some drm error could occur 
like : 
Subject: 	[Intel-gfx] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
Date: 	Tue , 11 Jan 2011 19:22:20 +0000

[157190.344037] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request
returns -5 (awaiting 562457 at 560424)
[157190.842188] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer
elapsed... GPU hung
[157191.341269] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer
elapsed... GPU hung
[157191.840397] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer
elapsed... GPU hung
[157192.339579] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer
elapsed... GPU hung
[157192.339658] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request
returns -5 (awaiting 562461 at 560424)
[157192.839720] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer
elapsed... GPU hung
[157193.337861] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer
elapsed... GPU hung
[157193.836989] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer
elapsed... GPU hung
[157194.336082] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer
elapsed... GPU hung
[157194.336122] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request
returns -5 (awaiting 562465 at 560424)
[157194.835258] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer
elapsed... GPU hung
[157194.835293] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request
returns -5 (awaiting 562466 at 560424)
[157195.334352] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer
elapsed... GPU hung
[157195.334406] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request
returns -5 (awaiting 562467 at 560424)
[157195.833543] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer
elapsed... GPU hung
[157196.332669] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer
elapsed... GPU hung
[157196.336171] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request
returns -5 (awaiting 562469 at 560424)