cpu lock ups

keyboard and mouse freezes:
Nov 26 20:36:01 localhost kernel: [17185281.032000] psmouse.c: TouchPad at isa0060/serio4/input0 lost synchronization, throwing 1 bytes
away.
Nov 26 20:36:01 localhost kernel: [17185281.032000] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
Nov 26 20:36:01 localhost last message repeated 4 times
Nov 26 20:36:01 localhost kernel: [17185281.032000] psmouse.c: TouchPad at isa0060/serio4/input0 - driver resynched.

cpu lockups:
Nov 26 20:36:39 localhost kernel: [17185319.060000] BUG: soft lockup detected on CPU#0!
Nov 26 20:36:40 localhost kernel: [17185319.060000]
Nov 26 20:36:40 localhost kernel: [17185319.060000] Pid: 0, comm:              swapper
Nov 26 20:36:40 localhost kernel: [17185319.060000] EIP: 0060:[handle_IRQ_event+24/112] CPU: 0
Nov 26 20:36:40 localhost kernel: [17185319.060000] EIP is at handle_IRQ_event+0x18/0x70
Nov 26 20:36:40 localhost kernel: [17185319.060000]  EFLAGS: 00000246    Tainted: P       (2.6.15-27-686)
Nov 26 20:36:40 localhost kernel: [17185319.060000] EAX: 00000001 EBX: df8c2820 ECX: df8c2820 EDX: c03a7f80
Nov 26 20:36:40 localhost kernel: [17185319.060000] ESI: 00000000 EDI: c03a7f80 EBP: c03a113c DS: 007b ES: 007b
Nov 26 20:36:40 localhost kernel: [17185319.060000] CR0: 8005003b CR2: 080cf238 CR3: 3796c000 CR4: 00000690
Nov 26 20:36:40 localhost kernel: [17185319.060000]  [__do_IRQ+157/272] __do_IRQ+0x9d/0x110
Nov 26 20:36:40 localhost kernel: [17185319.060000]  [do_IRQ+25/48] do_IRQ+0x19/0x30
Nov 26 20:36:40 localhost kernel: [17185319.060000]  [common_interrupt+26/32] common_interrupt+0x1a/0x20
Nov 26 20:36:40 localhost kernel: [17185319.060000]  [pg0+943861403/1069167616] acpi_processor_idle+0x184/0x32d [processor]
Nov 26 20:36:40 localhost kernel: [17185319.060000]  [cpu_idle+111/192] cpu_idle+0x6f/0xc0
Nov 26 20:36:40 localhost kernel: [17185319.060000]  [start_kernel+415/512] start_kernel+0x19f/0x200
Nov 26 20:36:40 localhost kernel: [17185319.060000]  [unknown_bootoption+0/496] unknown_bootoption+0x0/0x1f0