[1455917.678998] BUG: soft lockup - CPU#3 stuck for 61s! [ppStack:13127]
[1455917.679002] Modules linked in: w83627hf hwmon_vid autofs4 smsc37b787_wdt k8temp i2c_nforce2 i2c_core forcedeth tg3 libphy e1000 xfs dm_snapshot dm_mirror dm_log aacraid 3w_9xxx 3w_xxxx atp870u arcmsr aic7xxx scsi_wait_scan
[1455917.679002] CPU 3:
[1455917.679002] Modules linked in: w83627hf hwmon_vid autofs4 smsc37b787_wdt k8temp i2c_nforce2 i2c_core forcedeth tg3 libphy e1000 xfs dm_snapshot dm_mirror dm_log aacraid 3w_9xxx 3w_xxxx atp870u arcmsr aic7xxx scsi_wait_scan
[1455917.679002] Pid: 13127, comm: ppStack Not tainted 2.6.27-rc8-00016-gd3a47e8 #1
[1455917.679002] RIP: 0010:[<ffffffff8021ba0e>]  [<ffffffff8021ba0e>] native_flush_tlb_others+0x8b/0xb3
[1455917.679002] RSP: 0000:ffff880223d61e18  EFLAGS: 00000202
[1455917.679002] RAX: 00000000000008f3 RBX: 0000000000000003 RCX: ffff880136250198
[1455917.679002] RDX: 00000000000008f3 RSI: 00000000000000f3 RDI: 0000000000000004
[1455917.679002] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[1455917.679002] R10: 0000000000000000 R11: ffffffff8021b9e7 R12: 0000000000000002
[1455917.679002] R13: ffff88017b12db00 R14: ffffffff805c7e78 R15: 0000000000000000
[1455917.679002] FS:  00007f7b4d2b96f0(0000) GS:ffff88022fa29780(0000) knlGS:0000000000000000
[1455917.679002] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[1455917.679002] CR2: 00007f7b10c57008 CR3: 000000013a013000 CR4: 00000000000006e0
[1455917.679002] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[1455917.679002] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[1455917.679002] 
[1455917.679002] Call Trace:
[1455917.679002]  [<ffffffff8021ba0a>] native_flush_tlb_others+0x87/0xb3
[1455917.679002]  [<ffffffff8021bc3b>] flush_tlb_mm+0x5e/0x63
[1455917.679002]  [<ffffffff805c7e78>] _spin_unlock+0x17/0x20
[1455917.679002]  [<ffffffff8028c1fb>] mprotect_fixup+0x41f/0x562
[1455917.679002]  [<ffffffff8028c4e9>] sys_mprotect+0x1ab/0x222
[1455917.679002]  [<ffffffff8020be2b>] system_call_fastpath+0x16/0x1b
[1455917.679002]