power cycled. from console:

This is ippc07.ifa.hawaii.edu (Linux x86_64 2.6.28-rc7-00105-gfeaf384) 16:10:27

ippc07 login: [4927948.421631] general protection fault: 0000 [#1] SMP 
[4927948.424708] last sysfs file: /sys/devices/platform/coretemp.7/temp1_crit
[4927948.424708] CPU 4 
[4927948.424708] Modules linked in: coretemp w83627hf w83793 hwmon_vid autofs4 e1000e i2c_i801 i2c_core iTCO_wdt tg3 libphy e1000 xfs dm_snapshot dm_mirror dm_region_hash dm_log aacraid 3w_9xxx 3w_xxxx atp870u arcmsr aic7xxx scsi_wait_scan
[4927948.424708] Pid: 1376, comm: rpciod/4 Tainted: G        W  2.6.28-rc7-00105-gfeaf384 #4
[4927948.424708] RIP: 0010:[<ffffffff80589612>]  [<ffffffff80589612>] xprt_autoclose+0x19/0x4c
[4927948.424708] RSP: 0000:ffff88083a445e60  EFLAGS: 00010246
[4927948.424708] RAX: 68636170612f3436 RBX: ffff880100778578 RCX: 0000000000000000
[4927948.424708] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff880100778000

[4927948.424708] RBP: ffff88083a540700 R08: 0000000000000001 R09: 0000000000000000
[4927948.424708] R10: 0000000000000000 R11: ffffffff8027dff4 R12: ffff880100778578
[4927948.424708] R13: ffff880100778000 R14: ffffffff808b85a0 R15: 0000000000000000
[4927948.424708] FS:  0000000000000000(0000) GS:ffff88083cc5ce80(0000) knlGS:0000000000000000
[4927948.424708] CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
[4927948.424708] CR2: 00007f960a09d000 CR3: 00000007f8540000 CR4: 00000000000406e0
[4927948.424708] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[4927948.424708] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[4927948.424708] Process rpciod/4 (pid: 1376, threadinfo ffff88083a444000, task ffff88083a51db20)
[4927948.424708] Stack:
[4927948.424708]  ffff88083a445e90 ffff880100778578 ffffffff805895f9 ffffffff80248973
[4927948.424708]  ffffffff8024891d 0000000000000046 0000000000000000 0000000000000000
[4927948.424708]  0000000000000000 ffff88083a540700 ffff88083cc67bf0 ffff88083a540700
[4927948.424708] Call Trace:
[4927948.424708]  [<ffffffff805895f9>] ? xprt_autoclose+0x0/0x4c
[4927948.424708]  [<ffffffff80248973>] ? run_workqueue+0xed/0x1ed
[4927948.424708]  [<ffffffff8024891d>] ? run_workqueue+0x97/0x1ed
[4927948.424708]  [<ffffffff80249511>] ? worker_thread+0xd8/0xe3
[4927948.424708]  [<ffffffff8024bfda>] ? autoremove_wake_function+0x0/0x2e
[4927948.424708]  [<ffffffff80249439>] ? worker_thread+0x0/0xe3
[4927948.424708]  [<ffffffff8024becc>] ? kthread+0x47/0x73
[4927948.424708]  [<ffffffff80234852>] ? schedule_tail+0x27/0x5f

[4927948.424708]  [<ffffffff8020cd19>] ? child_rip+0xa/0x11
[4927948.424708]  [<ffffffff8024be85>] ? kthread+0x0/0x73
[4927948.424708]  [<ffffffff8020cd0f>] ? child_rip+0x0/0x11
[4927948.424708] Code: 89 f7 e8 59 dd 02 00 89 d8 5b 5d 41 5c 41 5d 41 5e c3 41 55 4c 8d af 88 fa ff ff 41 54 53 48 8b 87 90 fa ff ff 48 89 fb 4c 89 ef <ff> 50 60 f0 80 63 d0 f7 4c 8d a3 98 00 00 00 4c 89 e7 e8 43 de 
[4927948.680548] RIP  [<ffffffff80589612>] xprt_autoclose+0x19/0x4c
[4927948.680548]  RSP <ffff88083a445e60>
[4927948.698614] ---[ end trace 4eaa2a86a8e2da22 ]---
[4928479.023841] nfs: server ipp034 not responding, still trying