This was a 3rd time in the last couple of weeks that the os just stopped working, maybe someone can identify the problem with the help of /var/log/warn
Jan 24 17:06:56 linux-uo3q kernel: 0.000000] ACPI: RSDP 00000000000f0420 00024 (v02 ALASKA)
Jan 24 17:06:56 linux-uo3q kernel: 0.000000] ACPI: XSDT 00000000bf352068 0004C (v01 ALASKA A M I 01072009 AMI 00010013)
Jan 24 17:06:56 linux-uo3q kernel: 0.000000] ACPI: FACP 00000000bf35a558 000F4 (v04 ALASKA A M I 01072009 AMI 00010013)
Jan 24 17:06:56 linux-uo3q kernel: 0.000000] ACPI: DSDT 00000000bf352140 08412 (v02 ALASKA A M I 00000000 INTL 20051117)
Jan 24 17:06:56 linux-uo3q kernel: 0.000000] ACPI: FACS 00000000bf5d5f80 00040
Jan 24 17:06:56 linux-uo3q kernel: 0.000000] ACPI: APIC 00000000bf35a650 00092 (v03 ALASKA A M I 01072009 AMI 00010013)
Jan 24 17:06:56 linux-uo3q kernel: 0.000000] ACPI: SSDT 00000000bf35a6e8 001D6 (v01 AMICPU PROC 00000001 MSFT 03000001)
Jan 24 17:06:56 linux-uo3q kernel: 0.000000] ACPI: MCFG 00000000bf35a8c0 0003C (v01 ALASKA A M I 01072009 MSFT 00000097)
Jan 24 17:06:56 linux-uo3q kernel: 0.000000] ACPI: HPET 00000000bf35a900 00038 (v01 ALASKA A M I 01072009 AMI. 00000004)
Jan 24 17:06:56 linux-uo3q kernel: 0.000000] Zone PFN ranges:
Jan 24 17:06:56 linux-uo3q kernel: 0.000000] DMA 0x00000010 -> 0x00001000
Jan 24 17:06:56 linux-uo3q kernel: 0.000000] DMA32 0x00001000 -> 0x00100000
Jan 24 17:06:56 linux-uo3q kernel: 0.000000] Normal 0x00100000 -> 0x0023f800
Jan 24 17:06:56 linux-uo3q kernel: 0.000000] Movable zone start PFN for each node
Jan 24 17:06:56 linux-uo3q kernel: 0.000000] early_node_map[5] active PFN ranges
Jan 24 17:06:56 linux-uo3q kernel: 0.000000] 0: 0x00000010 -> 0x0000009d
Jan 24 17:06:56 linux-uo3q kernel: 0.000000] 0: 0x00000100 -> 0x000bf303
Jan 24 17:06:56 linux-uo3q kernel: 0.000000] 0: 0x000bf5c9 -> 0x000bf5cb
Jan 24 17:06:56 linux-uo3q kernel: 0.000000] 0: 0x000bf67d -> 0x000bf800
Jan 24 17:06:56 linux-uo3q kernel: 0.000000] 0: 0x00100000 -> 0x0023f800
Jan 24 17:06:56 linux-uo3q kernel: 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 2059820
Jan 24 17:06:56 linux-uo3q kernel: 0.000000] Policy zone: Normal
Jan 24 17:06:56 linux-uo3q kernel: 0.000000] Fast TSC calibration using PIT
Jan 24 17:06:56 linux-uo3q kernel: 0.001000] Detected 3410.687 MHz processor.
Jan 24 17:06:56 linux-uo3q kernel: 0.002364] ENERGY_PERF_BIAS: Set to 'normal', was 'performance'
Jan 24 17:06:56 linux-uo3q kernel: 0.002364] ENERGY_PERF_BIAS: View and update with x86_energy_perf_policy(8)
Jan 24 17:06:56 linux-uo3q kernel: 0.332183] #2
Jan 24 17:06:56 linux-uo3q kernel: 0.429112] #3
Jan 24 17:06:56 linux-uo3q kernel: 0.526045] #4
Jan 24 17:06:56 linux-uo3q kernel: 0.622974] #5
Jan 24 17:06:56 linux-uo3q kernel: 0.719904] #6
Jan 24 17:06:56 linux-uo3q kernel: 0.816834] #7 Ok.
Jan 24 17:06:56 linux-uo3q kernel: 0.917464] ACPI: Executed 1 blocks of module-level executable AML code
Jan 24 17:06:56 linux-uo3q kernel: 0.919537] ACPI Error: [RAMB] Namespace lookup failure, AE_NOT_FOUND (20110623/psargs-359)
Jan 24 17:06:56 linux-uo3q kernel: 0.919540] ACPI Exception: AE_NOT_FOUND, Could not execute arguments for [RAMW] (Region) (20110623/nsinit-349)
Jan 24 17:06:56 linux-uo3q kernel: 0.919780] ACPI: SSDT 00000000bf5dd898 006F4 (v01 AMI IST 00000001 MSFT 03000001)
Jan 24 17:06:56 linux-uo3q kernel: 0.920112] ACPI: Dynamic OEM Table Load:
Jan 24 17:06:56 linux-uo3q kernel: 0.920114] ACPI: SSDT (null) 006F4 (v01 AMI IST 00000001 MSFT 03000001)
Jan 24 17:06:56 linux-uo3q kernel: 0.920143] ACPI: SSDT 00000000bf5d4d98 000E4 (v01 AMI CST 00000001 MSFT 03000001)
Jan 24 17:06:56 linux-uo3q kernel: 0.920363] ACPI: Dynamic OEM Table Load:
Jan 24 17:06:56 linux-uo3q kernel: 0.920364] ACPI: SSDT (null) 000E4 (v01 AMI CST 00000001 MSFT 03000001)
Jan 24 17:06:56 linux-uo3q kernel: 1.385088] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
Jan 24 17:06:56 linux-uo3q kernel: 1.678767] ahci 0000:00:1f.2: forcing PORTS_IMPL to 0x3f
Jan 24 17:06:56 linux-uo3q kernel: 2.685724] ata1: failed to resume link (SControl 0)
Jan 24 17:06:56 linux-uo3q kernel: 2.685747] ata3: failed to resume link (SControl 0)
Jan 24 17:06:56 linux-uo3q kernel: 2.685771] ata5: failed to resume link (SControl 0)
Jan 24 17:06:56 linux-uo3q kernel: 2.685798] ata4: failed to resume link (SControl 0)
Jan 24 17:06:56 linux-uo3q kernel: 2.685812] ata2: failed to resume link (SControl 0)
Jan 24 17:06:56 linux-uo3q kernel: 2.685857] ata6: failed to resume link (SControl 0)
Jan 24 17:06:56 linux-uo3q kernel: 5.429704] mei: module is from the staging directory, the quality is unknown, you have been warned.
Jan 24 17:06:56 linux-uo3q kernel: 5.448654] sr0: scsi3-mmc drive: 48x/48x writer dvd-ram cd/rw xa/form2 cdda tray
Jan 24 17:06:56 linux-uo3q kernel: 5.476931] ata9.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
Jan 24 17:06:56 linux-uo3q kernel: 5.476941] ata9.00: irq_stat 0x40000001
Jan 24 17:06:56 linux-uo3q kernel: 5.476958] ata9.00: cmd a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0
Jan 24 17:06:56 linux-uo3q kernel: 5.476960] res 51/24:03:00:00:00/00:00:00:00:00/a0 Emask 0x1 (device error)
Jan 24 17:06:56 linux-uo3q kernel: 5.476968] ata9.00: status: { DRDY ERR }
Jan 24 17:06:56 linux-uo3q kernel: 5.521959] fglrx: module license 'Proprietary. (C) 2002 - ATI Technologies, Starnberg, GERMANY' taints kernel.
Jan 24 17:06:56 linux-uo3q kernel: 5.521961] Disabling lock debugging due to kernel taint
Jan 24 17:06:56 linux-uo3q kernel: 5.571850] ata9.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
Jan 24 17:06:56 linux-uo3q kernel: 5.571861] ata9.00: irq_stat 0x40000001
Jan 24 17:06:56 linux-uo3q kernel: 5.571876] ata9.00: cmd a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0
Jan 24 17:06:56 linux-uo3q kernel: 5.571878] res 51/24:03:00:00:00/00:00:00:00:00/a0 Emask 0x1 (device error)
Jan 24 17:06:56 linux-uo3q kernel: 5.571886] ata9.00: status: { DRDY ERR }
Jan 24 17:06:56 linux-uo3q kernel: 5.587833] ata9.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
Jan 24 17:06:56 linux-uo3q kernel: 5.587837] ata9.00: irq_stat 0x40000001
Jan 24 17:06:56 linux-uo3q kernel: 5.587844] ata9.00: cmd a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0
Jan 24 17:06:56 linux-uo3q kernel: 5.587845] res 51/24:03:00:00:00/00:00:00:00:00/a0 Emask 0x1 (device error)
Jan 24 17:06:56 linux-uo3q kernel: 5.587849] ata9.00: status: { DRDY ERR }
Jan 24 17:06:56 linux-uo3q kernel: 5.669787] ata9.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
Jan 24 17:06:56 linux-uo3q kernel: 5.669798] ata9.00: irq_stat 0x40000001
Jan 24 17:06:56 linux-uo3q kernel: 5.669814] ata9.00: cmd a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0
Jan 24 17:06:56 linux-uo3q kernel: 5.669816] res 51/24:03:00:00:00/00:00:00:00:00/a0 Emask 0x1 (device error)
Jan 24 17:06:56 linux-uo3q kernel: 5.669824] ata9.00: status: { DRDY ERR }
Jan 24 17:06:56 linux-uo3q kernel: 5.685779] ata9.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
Jan 24 17:06:56 linux-uo3q kernel: 5.685786] ata9.00: irq_stat 0x40000001
Jan 24 17:06:56 linux-uo3q kernel: 5.685801] ata9.00: cmd a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0
Jan 24 17:06:56 linux-uo3q kernel: 5.685802] res 51/24:03:00:00:00/00:00:00:00:00/a0 Emask 0x1 (device error)
Jan 24 17:06:56 linux-uo3q kernel: 5.685811] ata9.00: status: { DRDY ERR }
Jan 24 17:06:56 linux-uo3q kernel: 5.701762] ata9.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
Jan 24 17:06:56 linux-uo3q kernel: 5.701858] ata9.00: irq_stat 0x40000001
Jan 24 17:06:56 linux-uo3q kernel: 5.701911] ata9.00: cmd a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0
Jan 24 17:06:56 linux-uo3q kernel: 5.701911] res 51/24:03:00:00:00/00:00:00:00:00/a0 Emask 0x1 (device error)
Jan 24 17:06:56 linux-uo3q kernel: 5.702007] ata9.00: status: { DRDY ERR }
Jan 24 17:06:56 linux-uo3q kernel: 9.113993] vboxdrv: fAsync=0 offMin=0x1ac offMax=0xf26
Jan 24 17:06:57 linux-uo3q kdm_config[1405]: Multiple occurrences of key 'UseTheme' in section [X-*-Greeter] of /usr/share/kde4/config/kdm/kdmrc
Jan 24 17:06:57 linux-uo3q ifup: No configuration found for eth1
Jan 24 17:06:58 linux-uo3q checkproc: checkproc: can not get session id for process 1953!
Jan 24 17:07:00 linux-uo3q dhclient[2038]: send_packet6: Network is unreachable
Jan 24 17:07:00 linux-uo3q dhclient[2038]: dhc6: send_packet6() sent -1 of 58 bytes
Jan 24 17:07:01 linux-uo3q dhclient[2038]: send_packet6: Network is unreachable
Jan 24 17:07:01 linux-uo3q dhclient[2038]: dhc6: send_packet6() sent -1 of 58 bytes
Jan 24 17:07:03 linux-uo3q dhclient[2038]: send_packet6: Cannot assign requested address
Jan 24 17:07:03 linux-uo3q dhclient[2038]: dhc6: send_packet6() sent -1 of 58 bytes
Jan 24 17:07:07 linux-uo3q dhclient[2038]: send_packet6: Network is unreachable
Jan 24 17:07:07 linux-uo3q dhclient[2038]: dhc6: send_packet6() sent -1 of 58 bytes
Jan 24 16:07:09 linux-uo3q rtkit-daemon[3586]: Failed to make ourselves RT: Operation not permitted
Jan 24 17:07:09 linux-uo3q pulseaudio[3584]: [pulseaudio] pid.c: Stale PID file, overwriting.
Jan 24 17:07:09 linux-uo3q pulseaudio[3657]: [pulseaudio] pid.c: Daemon already running.
Jan 24 17:07:13 linux-uo3q hp-systray: hp-systray[4110]: error: option -s not recognized
Jan 24 17:07:15 linux-uo3q pulseaudio[4294]: [pulseaudio] pid.c: Daemon already running.
Jan 24 17:07:15 linux-uo3q pulseaudio[4302]: [pulseaudio] pid.c: Daemon already running.
Jan 24 17:07:16 linux-uo3q dhclient[2038]: send_packet6: Network is unreachable
Jan 24 17:07:16 linux-uo3q dhclient[2038]: dhc6: send_packet6() sent -1 of 58 bytes
Jan 24 17:07:27 linux-uo3q bluetoothd[5561]: D-Bus failed to register org.bluez.Proximity interface
Jan 24 17:07:27 linux-uo3q mcelog: mcelog read: No such device
Jan 24 17:07:27 linux-uo3q bluetoothd[5561]: Parsing /etc/bluetooth/input.conf failed: No such file or directory
Jan 24 17:07:27 linux-uo3q bluetoothd[5561]: Parsing /etc/bluetooth/audio.conf failed: No such file or directory
Jan 24 17:07:28 linux-uo3q bluetoothd[5561]: Parsing /etc/bluetooth/serial.conf failed: No such file or directory
Jan 24 17:07:28 linux-uo3q pulseaudio[3584]: [pulseaudio] bluetooth-util.c: Error from RegisterEndpoint reply: org.freedesktop.DBus.Error.UnknownMethod
Jan 24 17:07:28 linux-uo3q pulseaudio[3584]: [pulseaudio] bluetooth-util.c: Error from RegisterEndpoint reply: org.freedesktop.DBus.Error.UnknownMethod
Jan 24 17:07:28 linux-uo3q pulseaudio[3584]: [pulseaudio] bluetooth-util.c: Error from RegisterEndpoint reply: org.freedesktop.DBus.Error.UnknownMethod
Jan 24 17:07:33 linux-uo3q dhclient[2038]: send_packet6: Network is unreachable
Jan 24 17:07:33 linux-uo3q dhclient[2038]: dhc6: send_packet6() sent -1 of 58 bytes
Jan 24 17:08:08 linux-uo3q dhclient[2038]: send_packet6: Network is unreachable
Jan 24 17:08:08 linux-uo3q dhclient[2038]: dhc6: send_packet6() sent -1 of 58 bytes