Oct 28 09:28:55 ipp009 [400627.034528] BUG: soft lockup - CPU#3 stuck for 61s! [umount.nfs:13318]
Oct 28 09:28:55 ipp009 [400627.034528] Modules linked in: w83627hf hwmon_vid autofs4 smsc37b787_wdt k8temp forcedeth i2c_nforce2 i2c_core tg3 libphy e1000 xfs dm_snapshot dm_mirror dm_region_hash dm_log aacraid 3w_9xxx 3w_xxxx atp870u arcmsr aic7xxx scsi_wait_scan
Oct 28 09:28:55 ipp009 [400627.034528] CPU 3:
Oct 28 09:28:55 ipp009 [400627.034528] Modules linked in: w83627hf hwmon_vid autofs4 smsc37b787_wdt k8temp forcedeth i2c_nforce2 i2c_core tg3 libphy e1000 xfs dm_snapshot dm_mirror dm_region_hash dm_log aacraid 3w_9xxx 3w_xxxx atp870u arcmsr aic7xxx scsi_wait_scan
Oct 28 09:28:55 ipp009 [400627.034528] Pid: 13318, comm: umount.nfs Not tainted 2.6.28-rc7-00105-gfeaf384 #4
Oct 28 09:28:55 ipp009 [400627.034528] RIP: 0010:[<ffffffff8027da5a>]  [<ffffffff8027da5a>] find_get_pages+0x79/0xfe
Oct 28 09:28:55 ipp009 [400627.034528] RSP: 0018:ffff880183335cf8  EFLAGS: 00000286
Oct 28 09:28:55 ipp009 [400627.034528] RAX: ffff8802140e5f28 RBX: 0000000000000000 RCX: 0000000000000000
Oct 28 09:28:55 ipp009 [400627.034528] RDX: 0000000000040000 RSI: ffffe2000b1b10a8 RDI: ffffe2000b1b10a0
Oct 28 09:28:55 ipp009 [400627.034528] RBP: 0000000000000000 R08: 00000007fd3a300c R09: 0000000000040000
Oct 28 09:28:55 ipp009 [400627.034528] R10: 0000000000040000 R11: 0000000000000000 R12: 0000000000000246
Oct 28 09:28:55 ipp009 [400627.034528] R13: ffff88020fc6eb98 R14: ffff8801b8a93cc0 R15: ffffffffffffffff
Oct 28 09:28:55 ipp009 [400627.034528] FS:  00007fce495266f0(0000) GS:ffff88022fa0c780(0000) knlGS:0000000000000000
Oct 28 09:28:55 ipp009 [400627.034528] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Oct 28 09:28:55 ipp009 [400627.034528] CR2: 0000000000614e90 CR3: 00000001acb6e000 CR4: 00000000000006e0
Oct 28 09:28:55 ipp009 [400627.034528] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Oct 28 09:28:55 ipp009 [400627.034528] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Oct 28 09:28:55 ipp009 [400627.034528] Call Trace:
Oct 28 09:28:55 ipp009 [400627.034528]  [<ffffffff8027da43>] find_get_pages+0x62/0xfe
Oct 28 09:28:55 ipp009 [400627.034528]  [<ffffffff8027d9e1>] find_get_pages+0x0/0xfe
Oct 28 09:28:55 ipp009 [400627.034528]  [<ffffffff80284856>] pagevec_lookup+0x17/0x1e
Oct 28 09:28:55 ipp009 [400627.034528]  [<ffffffff80284f5c>] truncate_inode_pages_range+0x20a/0x2fc
Oct 28 09:28:55 ipp009 [400627.034528]  [<ffffffff802bd2d6>] dispose_list+0x4e/0xf9
Oct 28 09:28:55 ipp009 [400627.034528]  [<ffffffff802bd65e>] invalidate_inodes+0xd1/0xef
Oct 28 09:28:55 ipp009 [400627.034528]  [<ffffffff802adf2c>] generic_shutdown_super+0x39/0xf4
Oct 28 09:28:55 ipp009 [400627.034528]  [<ffffffff802ae022>] kill_anon_super+0x9/0x36
Oct 28 09:28:55 ipp009 [400627.034528]  [<ffffffff80331940>] nfs_kill_super+0x23/0x30
Oct 28 09:28:55 ipp009 [400627.034528]  [<ffffffff802ae0c9>] deactivate_super+0x5f/0x7e
Oct 28 09:28:55 ipp009 [400627.034528]  [<ffffffff802ae0cf>] deactivate_super+0x65/0x7e
Oct 28 09:28:55 ipp009 [400627.034528]  [<ffffffff802c00b4>] sys_umount+0x2df/0x33e
Oct 28 09:28:55 ipp009 [400627.034528]  [<ffffffff8020bd2b>] system_call_fastpath+0x16/0x1b