Ubuntu Crash - Syslog

Mar 20 22:31:58 crossbow kernel: [35643.438804] [fglrx] IRQ 18 Disabled
Mar 20 22:31:58 crossbow kdm[1157]: X server for display :0 terminated unexpectedly
Mar 20 22:31:58 crossbow acpid: client connected from 15851[0:0]
Mar 20 22:31:58 crossbow acpid: 1 client rule loaded
Mar 20 22:31:59 crossbow kernel: [35643.896137] [fglrx] Could not enable MSI; System prevented initialization
Mar 20 22:31:59 crossbow kernel: [35643.897097] [fglrx] Firegl kernel thread PID: 15853
Mar 20 22:31:59 crossbow kernel: [35643.897471] [fglrx] Firegl kernel thread PID: 15854
Mar 20 22:31:59 crossbow kernel: [35643.897813] [fglrx] Firegl kernel thread PID: 15855
Mar 20 22:31:59 crossbow kernel: [35643.898167] [fglrx] IRQ 18 Enabled
Mar 20 22:31:59 crossbow kernel: [35644.171226] [fglrx] Gart USWC size:1279 M.
Mar 20 22:31:59 crossbow kernel: [35644.171229] [fglrx] Gart cacheable size:508 M.
Mar 20 22:31:59 crossbow kernel: [35644.171234] [fglrx] Reserved FB block: Shared offset:0, size:1000000
Mar 20 22:31:59 crossbow kernel: [35644.171236] [fglrx] Reserved FB block: Unshared offset:fbfa000, size:401000
Mar 20 22:31:59 crossbow kernel: [35644.171239] [fglrx] Reserved FB block: Unshared offset:fffb000, size:5000