Ubuntu server 10.10 виснет

Добрый день. Люди добрые, объясните, что это может означать? Записи в /var/log/kern.log

May 15 22:54:51 oggi-main kernel: [ 3938.492730]
May 15 22:54:51 oggi-main kernel: [ 3938.492735] Pid: 1347, comm: kslowd001 Not tainted 2.6.35-22-server #35-Ubuntu P7P55D-E EVO/System Product Name
May 15 22:54:51 oggi-main kernel: [ 3938.492739] RIP: 0010:[<ffffffff812c50ca>] [<ffffffff812c50ca>] ioread32+0x3a/0x40
May 15 22:54:51 oggi-main kernel: [ 3938.492748] RSP: 0018:ffff8801208c3cd0 EFLAGS: 00000296
May 15 22:54:51 oggi-main kernel: [ 3938.492752] RAX: 00000000ffffffff RBX: ffff8801208c3cd0 RCX: 0000000080000000
May 15 22:54:51 oggi-main kernel: [ 3938.492755] RDX: 000000000061a804 RSI: 0000000077359400 RDI: ffffc90011e1a804
May 15 22:54:51 oggi-main kernel: [ 3938.492759] RBP: ffffffff8159edce R08: 0000000000000000 R09: 0000000000000001
May 15 22:54:51 oggi-main kernel: [ 3938.492763] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
May 15 22:54:51 oggi-main kernel: [ 3938.492766] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
May 15 22:54:51 oggi-main kernel: [ 3938.492770] FS: 0000000000000000(0000) GS:ffff880001e00000(0000) knlGS:0000000000000000
May 15 22:54:51 oggi-main kernel: [ 3938.492775] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
May 15 22:54:51 oggi-main kernel: [ 3938.492778] CR2: 00000000008eecf8 CR3: 0000000001a2a000 CR4: 00000000000006f0
May 15 22:54:51 oggi-main kernel: [ 3938.492782] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
May 15 22:54:51 oggi-main kernel: [ 3938.492785] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
May 15 22:54:51 oggi-main kernel: [ 3938.492790] Process kslowd001 (pid: 1347, threadinfo ffff8801208c2000, task ffff8801209eadc0)
May 15 22:54:51 oggi-main kernel: [ 3938.492793] Stack:
May 15 22:54:51 oggi-main kernel: [ 3938.496171] ffff8801208c3d20 ffffffffa01df693 ffffffffffffffff 0000000022d0d008
May 15 22:54:51 oggi-main kernel: [ 3938.496177] <0> ffff000100000050 ffff880137e4e800 000000000061a804 0000000000000800
May 15 22:54:51 oggi-main kernel: [ 3938.496183] <0> ffff880139e00000 000000000061a804 ffff8801208c3d70 ffffffffa0231a74
May 15 22:54:51 oggi-main kernel: [ 3938.496189] Call Trace:
May 15 22:54:51 oggi-main kernel: [ 3938.499555] [<ffffffffa01df693>] ? nouveau_wait_until+0x53/0xa0 [nouveau]
May 15 22:54:51 oggi-main kernel: [ 3938.499575] [<ffffffffa0231a74>] ? nv50_dac_detect+0x94/0x320 [nouveau]
May 15 22:54:51 oggi-main kernel: [ 3938.499594] [<ffffffffa0209814>] ? nouveau_connector_detect+0x184/0x2f0 [nouveau]
May 15 22:54:51 oggi-main kernel: [ 3938.499603] [<ffffffffa01acf70>] ? output_poll_execute+0xc0/0x150 [drm_kms_helper]
May 15 22:54:51 oggi-main kernel: [ 3938.499610] [<ffffffff810f5725>] ? slow_work_execute+0x225/0x310
May 15 22:54:51 oggi-main kernel: [ 3938.499615] [<ffffffff810f596e>] ? slow_work_thread+0x15e/0x390
May 15 22:54:51 oggi-main kernel: [ 3938.499622] [<ffffffff8107f080>] ? autoremove_wake_function+0x0/0x40
May 15 22:54:51 oggi-main kernel: [ 3938.499627] [<ffffffff810f5810>] ? slow_work_thread+0x0/0x390
May 15 22:54:51 oggi-main kernel: [ 3938.499631] [<ffffffff8107eb26>] ? kthread+0x96/0xa0
May 15 22:54:51 oggi-main kernel: [ 3938.499637] [<ffffffff8100aee4>] ? kernel_thread_helper+0x4/0x10
May 15 22:54:51 oggi-main kernel: [ 3938.499642] [<ffffffff8107ea90>] ? kthread+0x0/0xa0
May 15 22:54:51 oggi-main kernel: [ 3938.499647] [<ffffffff8100aee0>] ? kernel_thread_helper+0x0/0x10
May 15 22:54:51 oggi-main kernel: [ 3938.499649] Code: ff 00 00 01 00 76 0a 48 0f b7 d7 ed c9 c3 eb 01 90 48 c7 c6 26 96 7d 81 e8 c4 fb ff ff b8 ff ff ff ff c9 c3 eb 03 90 90 90 8b 07 <c9> c3 eb 02 90 90 55 48 81 ff ff ff 03 00 48 89 e5 77 33 48 81
May 15 22:54:51 oggi-main kernel: [ 3938.506933] Call Trace:
May 15 22:54:51 oggi-main kernel: [ 3938.506945] [<ffffffffa01df693>] ? nouveau_wait_until+0x53/0xa0 [nouveau]
May 15 22:54:51 oggi-main kernel: [ 3938.506964] [<ffffffffa0231a74>] ? nv50_dac_detect+0x94/0x320 [nouveau]
May 15 22:54:51 oggi-main kernel: [ 3938.506983] [<ffffffffa0209814>] ? nouveau_connector_detect+0x184/0x2f0 [nouveau]
May 15 22:54:51 oggi-main kernel: [ 3938.506991] [<ffffffffa01acf70>] ? output_poll_execute+0xc0/0x150 [drm_kms_helper]
May 15 22:54:51 oggi-main kernel: [ 3938.506997] [<ffffffff810f5725>] ? slow_work_execute+0x225/0x310
May 15 22:54:51 oggi-main kernel: [ 3938.507002] [<ffffffff810f596e>] ? slow_work_thread+0x15e/0x390
May 15 22:54:51 oggi-main kernel: [ 3938.507007] [<ffffffff8107f080>] ? autoremove_wake_function+0x0/0x40
May 15 22:54:51 oggi-main kernel: [ 3938.507012] [<ffffffff810f5810>] ? slow_work_thread+0x0/0x390
May 15 22:54:51 oggi-main kernel: [ 3938.507017] [<ffffffff8107eb26>] ? kthread+0x96/0xa0
May 15 22:54:51 oggi-main kernel: [ 3938.507022] [<ffffffff8100aee4>] ? kernel_thread_helper+0x4/0x10
May 15 22:54:51 oggi-main kernel: [ 3938.507027] [<ffffffff8107ea90>] ? kthread+0x0/0xa0
May 15 22:54:51 oggi-main kernel: [ 3938.507031] [<ffffffff8100aee0>] ? kernel_thread_helper+0x0/0x10

Никогда ничего подобного не видел. память глючит или еще чего?