From console display

...
<Jul/03 09:56 pm>
                 <Jul/03 09:56 pm>[4952573.267324] nfs: server ipp017 OK
<Jul/03 10:10 pm>[4953395.374678] lockd: server ipp017 not responding, still trying
<Jul/03 10:11 pm>[4953447.148064] lockd: server ipp017 OK
<Jul/03 10:15 pm>[4953691.498052] lockd: server ipp017 not responding, still trying
<Jul/03 10:17 pm>[4953791.507979] lockd: server ipp017 not responding, still trying
<Jul/03 10:19 pm>[4953918.836668] lockd: server ipp017 OK
                 <Jul/03 10:19 pm>[4953919.347542] lockd: server ipp017 OK
<Jul/03 10:27 pm>[4954404.537540] nfs: server ipp017 not responding, still trying
<Jul/03 10:27 pm>[4954404.934263] nfs: server ipp017 OK
<Jul/03 10:29 pm>[4954513.885049] lockd: server ipp017 not responding, still trying
<Jul/03 10:29 pm>[4954553.892498] lockd: server ipp017 not responding, still trying
<Jul/03 10:31 pm>[4954676.826488] lockd: server ipp017 OK
<Jul/03 10:31 pm>[4954676.830873] lockd: server ipp017 OK
<Jul/03 10:39 pm>[4955168.414508] lockd: server ipp017 not responding, still trying
<Jul/03 10:44 pm>[4955434.199489] lockd: server ipp017 OK
<Jul/04 00:29 am>[4961757.450560] nfs: server ipp017 not responding, still trying
<Jul/04 00:29 am>[4961761.854582] nfs: server ipp017 not responding, still trying

<Jul/04 00:29 am>[4961765.647038] nfs: server ipp017 OK
<Jul/04 00:29 am>[4961765.651762] nfs: server ipp017 OK
<Jul/04 04:45 am>[4977106.192641] nfs: server ipp017 not responding, still trying
<Jul/04 04:45 am>[4977109.163031] nfs: server ipp017 OK
<Jul/04 11:42 am>[5002119.799921] w83793 0-002f: set bank to 0 failed, fall back to bank 2, read reg 0x8c error
<Jul/04 05:42 pm>[5023721.524443] w83793 0-002f: set bank to 2 failed, fall back to bank 0, read reg 0x207 error
<Jul/05 01:26 am>[5051555.531632] w83793 0-002f: set bank to 0 failed, fall back to bank 2, read reg 0xc3 error
<Jul/05 01:27 pm>[5094814.870600] nfs: server ipp033 not responding, still trying
<Jul/05 01:27 pm>[5094816.532626] nfs: server ipp033 OK
<Jul/05 02:44 pm>[5099439.143465] nfs: server ipp027 not responding, still trying
<Jul/05 02:44 pm>[5099441.218180] nfs: server ipp027 OK
<Jul/05 04:43 pm>[5106602.036069] nfs: server ipp061 not responding, still trying
<Jul/05 04:43 pm>[5106606.547076] nfs: server ipp061 OK
<Jul/05 04:46 pm>[5106776.649708] lockd: server ipp017 not responding, still trying
<Jul/05 04:47 pm>[5106797.148670] lockd: server ipp017 OK
<Jul/05 04:53 pm>[5107196.879438] nfs: server ipp061 not responding, still trying
<Jul/05 04:53 pm>[5107201.283282] nfs: server ipp061 not responding, still trying
<Jul/05 04:53 pm>[5107202.292746] nfs: server ipp061 OK
<Jul/05 04:53 pm>[5107202.296716] nfs: server ipp061 OK
<Jul/05 04:59 pm>[5107530.932888] w83793 0-002f: set bank to 2 failed, fall back to bank 0, read reg 0x207 error
<Jul/05 05:13 pm>[5108362.985885] lockd: server ipp017 not responding, still trying
<Jul/05 05:13 pm>[5108373.487241] lockd: server ipp017 OK
<Jul/05 05:13 pm>[5108388.965465] nfs: server ipp061 not responding, still trying
<Jul/05 05:13 pm>[5108396.327555] nfs: server ipp061 OK
<Jul/05 05:14 pm>[5108440.312982] nfs: server ipp057 not responding, still trying
<Jul/05 05:14 pm>[5108441.852333] nfs: server ipp057 OK
<Jul/05 05:17 pm>[5108611.295760] nfs: server ipp063 not responding, still trying
<Jul/05 05:17 pm>[5108619.275759] nfs: server ipp063 OK
<Jul/05 07:40 pm>[5117218.730857] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
<Jul/05 07:40 pm>[5117218.731616] IP: [<ffffffff802488f9>] run_workqueue+0x73/0x1ed
<Jul/05 07:40 pm>[5117218.731616] PGD 272b1d067 PUD 272b1e067 PMD 0 
<Jul/05 07:40 pm>[5117218.731616] Oops: 0002 [#1] SMP 
<Jul/05 07:40 pm>[5117218.731616] last sysfs file: /sys/class/i2c-adapter/i2c-0/0-002f/temp6_alarm
<Jul/05 07:40 pm>[5117218.731616] CPU 0 
<Jul/05 07:40 pm>[5117218.731616] Modules linked in: w83793 hwmon_vid autofs4 i2c_i801 i2c_core iTCO_wdt e1000e tg3 libphy e1000 xfs dm_snapshot dm_mirror dm_region_hash dm_log aacraid 3w_9xxx 3w_xxxx atp870u arcmsr aic7xxx scsi_wait_scan
<Jul/05 07:40 pm>[5117218.731616] Pid: 1524, comm: rpciod/0 Not tainted 2.6.28-rc7-00105-gfeaf384 #4
<Jul/05 07:40 pm>[5117218.731616] RIP: 0010:[<ffffffff802488f9>]  [<ffffffff802488f9>] run_workqueue+0x73/0x1ed
<Jul/05 07:40 pm>[5117218.731616] RSP: 0018:ffff88033cd0de80  EFLAGS: 00010087
<Jul/05 07:40 pm>[5117218.731616] RAX: 0000000000000000 RBX: ffff8803208f3580 RCX: 0000000000000000
<Jul/05 07:40 pm>[5117218.731616] RDX: 0000000000000000 RSI: ffff8803208f35b0 RDI: ffff88033cca4d00
<Jul/05 07:40 pm>[5117218.731616] RBP: ffff88033cca4d00 R08: 0000000000000001 R09: 0000000000000001
<Jul/05 07:40 pm>[5117218.731616] R10: 0000000000000000 R11: 0000000000000001 R12: ffff8803208f3578
<Jul/05 07:40 pm>[5117218.731616] R13: 0000000000000000 R14: ffffffff808b85a0 R15: 0000000000000000
<Jul/05 07:40 pm>[5117218.731616] FS:  0000000000000000(0000) GS:ffffffff80872d80(0000) knlGS:0000000000000000
<Jul/05 07:40 pm>[5117218.731616] CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
<Jul/05 07:40 pm>[5117218.731616] CR2: 0000000000000008 CR3: 0000000272b1c000 CR4: 00000000000006e0
<Jul/05 07:40 pm>[5117218.731616] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<Jul/05 07:40 pm>[5117218.731616] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
<Jul/05 07:40 pm>[5117218.731616] Process rpciod/0 (pid: 1524, threadinfo ffff88033cd0c000, task ffff88033cc71e60)
<Jul/05 07:40 pm>[5117218.731616] Stack:
<Jul/05 07:40 pm>[5117218.731616]  ffff88033cca4d40 0000000000000046 0000000000000000 0000000000000000
<Jul/05 07:40 pm>[5117218.901830]  0000000000000000 ffff88033cca4d00 ffff88063e43bbf0 ffff88033cca4d00
<Jul/05 07:40 pm>[5117218.901830]  ffff88033cca4d40 ffff88063e43bbf0 ffffffff808b5d60 ffffffff80249511
<Jul/05 07:40 pm>[5117218.901830] Call Trace:
<Jul/05 07:40 pm>[5117218.901830]  [<ffffffff80249511>] ? worker_thread+0xd8/0xe3
<Jul/05 07:40 pm>[5117218.901830]  [<ffffffff8024bfda>] ? autoremove_wake_function+0x0/0x2e
<Jul/05 07:40 pm>[5117218.901830]  [<ffffffff80249439>] ? worker_thread+0x0/0xe3
<Jul/05 07:40 pm>[5117218.901830]  [<ffffffff8024becc>] ? kthread+0x47/0x73
<Jul/05 07:40 pm>[5117218.901830]  [<ffffffff80234852>] ? schedule_tail+0x27/0x5f
<Jul/05 07:40 pm>[5117218.901830]  [<ffffffff8020cd19>] ? child_rip+0xa/0x11
<Jul/05 07:40 pm>[5117218.901830]  [<ffffffff804fa23c>] ? menu_reflect+0x0/0x6d
<Jul/05 07:40 pm>[5117218.901830]  [<ffffffff8024be85>] ? kthread+0x0/0x73
<Jul/05 07:40 pm>[5117218.901830]  [<ffffffff8020cd0f>] ? child_rip+0x0/0x11
<Jul/05 07:40 pm>[5117218.901830] Code: 4c 8d 63 f8 48 8d 7c 24 10 48 8d 73 18 fc 4d 8b 6c 24 18 b9 06 00 00 00 f3 a5 4c 89 a5 80 00 00 00 48 89 ef 48 8b 43 08 48 8b 13 <48> 89 42 08 48 89 10 48 89 5b 08 48 89 1b e8 d1 ed 36 00 48 8b 
<Jul/05 07:40 pm>[5117218.901830] RIP  [<ffffffff802488f9>] run_workqueue+0x73/0x1ed
<Jul/05 07:40 pm>[5117218.901830]  RSP <ffff88033cd0de80>
<Jul/05 07:40 pm>[5117218.901830] CR2: 0000000000000008
<Jul/05 07:40 pm>[5117218.901830] ---[ end trace fa8f4a6e253ed4be ]---
<Jul/05 07:42 pm>[5117244.018545] BUG: spinlock lockup on CPU#0, swapper/0, ffff88033cca4d00
<Jul/05 07:42 pm>[5117244.018545] Pid: 0, comm: swapper Tainted: G      D    2.6.28-rc7-00105-gfeaf384 #4
<Jul/05 07:42 pm>[5117244.018545] Call Trace:
<Jul/05 07:42 pm>[5117244.018545]  <IRQ>  [<ffffffff803a103f>] _raw_spin_lock+0xfb/0x122
<Jul/05 07:42 pm>[5117244.018545]  [<ffffffff80589645>] xprt_init_autodisconnect+0x0/0x98
<Jul/05 07:42 pm>[5117244.018545]  [<ffffffff805b7758>] _spin_lock_irqsave+0x37/0x3f
<Jul/05 07:42 pm>[5117244.018545]  [<ffffffff802492ab>] __queue_work+0x10/0x32
<Jul/05 07:42 pm>[5117244.018545]  [<ffffffff802492ab>] __queue_work+0x10/0x32
<Jul/05 07:42 pm>[5117244.018545]  [<ffffffff80589645>] xprt_init_autodisconnect+0x0/0x98
<Jul/05 07:42 pm>[5117244.018545]  [<ffffffff8024932c>] queue_work_on+0x37/0x40
<Jul/05 07:42 pm>[5117244.018545]  [<ffffffff80241e07>] run_timer_softirq+0x169/0x1dd
<Jul/05 07:42 pm>[5117244.018545]  [<ffffffff8023e144>] __do_softirq+0x7a/0x13d
<Jul/05 07:42 pm>[5117244.018545]  [<ffffffff8020d07c>] call_softirq+0x1c/0x28
<Jul/05 07:42 pm>[5117244.018545]  [<ffffffff8020e028>] do_softirq+0x2c/0x68
<Jul/05 07:42 pm>[5117244.018545]  [<ffffffff8023e084>] irq_exit+0x3f/0x85
<Jul/05 07:42 pm>[5117244.018545]  [<ffffffff8020e1ae>] do_IRQ+0x14a/0x16c
<Jul/05 07:42 pm>[5117244.018545]  [<ffffffff8020c2f6>] ret_from_intr+0x0/0xa
                 <Jul/05 07:42 pm>[5117244.018545]  <EOI>  [<ffffffff803d4f96>] acpi_idle_enter_bm+0x2b0/0x31a
<Jul/05 07:42 pm>[5117244.018545]  [<ffffffff803d4f8c>] acpi_idle_enter_bm+0x2a6/0x31a
<Jul/05 07:42 pm>[5117244.018545]  [<ffffffff804f9763>] cpuidle_idle_call+0x7f/0xbc
<Jul/05 07:42 pm>[5117244.018545]  [<ffffffff8020ac41>] cpu_idle+0x4a/0x6d