Syslog Crash

Apr 19 20:36:01 mediaserver kernel: imklog 4.2.0, log source = /proc/kmsg started.
Apr 19 20:36:01 mediaserver rsyslogd: [origin software="rsyslogd" swVersion="4.2.0" x-pid="845" x-info="http://www.rsyslog.com"] (re)start
Apr 19 20:36:01 mediaserver rsyslogd: rsyslogd's groupid changed to 103
Apr 19 20:36:01 mediaserver rsyslogd: rsyslogd's userid changed to 101
Apr 19 20:36:01 mediaserver rsyslogd-2039: Could no open output file '/dev/xconsole' [try http://www.rsyslog.com/e/2039 ]
Apr 19 20:36:01 mediaserver kernel: [    0.000000] Initializing cgroup subsys cpuset
Apr 19 20:36:01 mediaserver kernel: [    0.000000] Initializing cgroup subsys cpu
Apr 19 20:36:01 mediaserver kernel: [    0.000000] Linux version 2.6.32-30-generic (buildd@vernadsky) (gcc version 4.4.3 (Ubuntu 4.4.3-4ubuntu5) ) #59-Ubuntu SMP Tue Mar 1 21:30:21 UTC 2011 (Ubuntu 2.6.32-30.59-generic 2.6.32.29+drm33.13)
Apr 19 20:36:01 mediaserver kernel: [    0.000000] KERNEL supported cpus:
Apr 19 20:36:01 mediaserver kernel: [    0.000000]   Intel GenuineIntel
Apr 19 20:36:01 mediaserver kernel: [    0.000000]   AMD AuthenticAMD
Apr 19 20:36:01 mediaserver kernel: [    0.000000]   NSC Geode by NSC
Apr 19 20:36:01 mediaserver kernel: [    0.000000]   Cyrix CyrixInstead
Apr 19 20:36:01 mediaserver kernel: [    0.000000]   Centaur CentaurHauls
Apr 19 20:36:01 mediaserver kernel: [    0.000000]   Transmeta GenuineTMx86
Apr 19 20:36:01 mediaserver kernel: [    0.000000]   Transmeta TransmetaCPU
Apr 19 20:36:01 mediaserver kernel: [    0.000000]   UMC UMC UMC UMC
Apr 19 20:36:01 mediaserver kernel: [    0.000000] BIOS-provided physical RAM map:
Apr 19 20:36:01 mediaserver kernel: [    0.000000]  BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
Apr 19 20:36:01 mediaserver kernel: [    0.000000]  BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
Apr 19 20:36:01 mediaserver kernel: [    0.000000]  BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved)
Apr 19 20:36:01 mediaserver kernel: [    0.000000]  BIOS-e820: 0000000000100000 - 000000006ff90000 (usable)
Apr 19 20:36:01 mediaserver kernel: [    0.000000]  BIOS-e820: 000000006ff90000 - 000000006ff9e000 (ACPI data)
Apr 19 20:36:01 mediaserver kernel: [    0.000000]  BIOS-e820: 000000006ff9e000 - 000000006ffe0000 (ACPI NVS)
Apr 19 20:36:01 mediaserver kernel: [    0.000000]  BIOS-e820: 000000006ffe0000 - 0000000080000000 (reserved)
Apr 19 20:36:01 mediaserver kernel: [    0.000000]  BIOS-e820: 00000000fec00000 - 00000000fec01000 (reserved)
Apr 19 20:36:01 mediaserver kernel: [    0.000000]  BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
Apr 19 20:36:01 mediaserver kernel: [    0.000000]  BIOS-e820: 00000000ff700000 - 0000000100000000 (reserved)
Apr 19 20:36:01 mediaserver kernel: [    0.000000] DMI present.
Apr 19 20:36:01 mediaserver kernel: [    0.000000] AMI BIOS detected: BIOS may corrupt low RAM, working around it.
Apr 19 20:36:01 mediaserver kernel: [    0.000000] e820 update range: 0000000000000000 - 0000000000010000 (usable) ==> (reserved)
Apr 19 20:36:01 mediaserver kernel: [    0.000000] last_pfn = 0x6ff90 max_arch_pfn = 0x100000
Apr 19 20:36:01 mediaserver kernel: [    0.000000] MTRR default type: uncachable
Apr 19 20: