Public bug reported:
A nfs server I run crashed with the dmesg output below. It is a quad-
core system with hyperthreading and 16gb of memory. *It is running up to
date Lucid amd64.
[547417.247309] BUG: unable to handle kernel paging request at 00000004000186d5
[547417.259659] IP: [<ffffffffa00e6366>] rpcb_getport_done+0x96/0xe0 [sunrpc]
[547417.271853] PGD 0
[547417.283837] Oops: 0000 [#1] SMP
[547417.295787] last sysfs file:
/sys/devices/system/cpu/cpu7/cache/index2/shared_cpu_map
[547417.319174] CPU 2
[547417.319175] Modules linked in: iptable_filter ip_tables x_tables nfsd
exportfs nfs lockd nfs_acl autofs4 auth_rpcgss sunrpc joydev fbcon tileblit
font bitblit softcursor vga16fb vgastate psmouse serio_raw ioatdma lp parport
usbhid hid 3w_9xxx igb dca
[547417.319188] Pid: 896, comm: rpciod/2 Not tainted 2.6.32-25-generic
#44-Ubuntu X8DTU
[547417.319189] RIP: 0010:[<ffffffffa00e6366>] [<ffffffffa00e6366>]
rpcb_getport_done+0x96/0xe0 [sunrpc]
[547417.319201] RSP: 0018:ffff88042d697d70 EFLAGS: 00010246
[547417.319203] RAX: 00000004000186b5 RBX: 00000000fffffff3 RCX:
0000000000000088
[547417.319204] RDX: ffff88042d6ad130 RSI: 0000000000000000 RDI:
ffff880177e075c0
[547417.319206] RBP: ffff88042d697d90 R08: ffff880177e07580 R09:
0000000000000000
[547417.319207] R10: 0000000000000000 R11: 0000000000000001 R12:
ffff880177e07580
[547417.319208] R13: ffff880177e075c0 R14: ffff88042d6a3b80 R15:
ffff88042d697fd8
[547417.319210] FS: 0000000000000000(0000) GS:ffff880036640000(0000)
knlGS:0000000000000000
[547417.319212] CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
[547417.319213] CR2: 00000004000186d5 CR3: 0000000001001000 CR4:
00000000000006e0
[547417.319214] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[547417.319217] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[547417.319219] Process rpciod/2 (pid: 896, threadinfo ffff88042d696000, task
ffff88042dad2de0)
[547417.319220] Stack:
[547417.319221] ffff88042d6a3b80 ffff88042d6a3c10 0000000000000001
0000000000000000
[547417.319223] <0> ffff88042d697db0 ffffffffa00dcc0c 0000000000000001
ffff88042d6a3b80
[547417.319225] <0> ffff88042d697df0 ffffffffa00dd48a 0000000000015bc0
ffff88042d6a3c28
[547417.319227] Call Trace:
[547417.319235] [<ffffffffa00dcc0c>] rpc_exit_task+0x2c/0x60 [sunrpc]
[547417.319243] [<ffffffffa00dd48a>] __rpc_execute+0xba/0x2d0 [sunrpc]
[547417.319250] [<ffffffffa00dd6d0>] ? rpc_async_schedule+0x0/0x20 [sunrpc]
[547417.319258] [<ffffffffa00dd6e5>] rpc_async_schedule+0x15/0x20 [sunrpc]
[547417.319264] [<ffffffff8107f9b7>] run_workqueue+0xc7/0x1a0
[547417.319266] [<ffffffff8107fb33>] worker_thread+0xa3/0x110
[547417.319269] [<ffffffff81084580>] ? autoremove_wake_function+0x0/0x40
[547417.319271] [<ffffffff8107fa90>] ? worker_thread+0x0/0x110
[547417.319273] [<ffffffff81084206>] kthread+0x96/0xa0
[547417.319277] [<ffffffff810131ea>] child_rip+0xa/0x20
[547417.319279] [<ffffffff81084170>] ? kthread+0x0/0xa0
[547417.319280] [<ffffffff810131e0>] ? child_rip+0x0/0x20
[547417.319281] Code: 30 4c 8b 6c 24 10 48 8b 1c 24 4c 8b 64 24 08 4c 8b 74 24
18 c9 c3 0f 1f 80 00 00 00 00 49 8b 45 08 31 f6 4c 89 ef bb f3 ff ff ff <ff> 50
20 eb c3 0f 1f 44 00 00 41 83 85 8c 04 00 00 01 bb a3 ff
[547417.319296] RIP [<ffffffffa00e6366>] rpcb_getport_done+0x96/0xe0 [sunrpc]
[547417.319304] RSP <ffff88042d697d70>
[547417.319305] CR2: 00000004000186d5
[547417.329352] ---[ end trace 0f0bda219a22b1ab ]---
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
--
kernel crash in nfs client
https://bugs.launchpad.net/bugs/653281
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