BUG: soft lockup - CPU#14 stuck for 10s! [multipathd:4574]
CPU 14:
Modules linked in: loop joydev mptctl mptbase ipmi_si(U) ipmi_devintf(U) ipmi_msghandler(U) autofs4 hidp rfcomm l2cap bluetooth lockd sunrpc bonding dm_round_robin dm_multipath scsi_dh video hwmon backlight sbs i2c_ec i2c_core button battery asus_acpi acpi_memhotplug ac ipv6 xfrm_nalgo crypto_api parport_pc lp parport bnx2x(U) tg3(U) sg serio_raw pcspkr hpilo dm_raid45 dm_message dm_region_hash dm_mem_cache dm_snapshot dm_zero dm_mirror dm_log dm_mod usb_storage qla2xxx scsi_transport_fc shpchp cciss(U) sd_mod scsi_mod ext3 jbd uhci_hcd ohci_hcd ehci_hcd
Pid: 4574, comm: multipathd Tainted: G      2.6.18-164.el5 #1
RIP: 0010:[<ffffffff80075c12>]  [<ffffffff80075c12>] __smp_call_function+0x6a/0x8b
RSP: 0018:ffff81031c515c48  EFLAGS: 00000297
RAX: 000000000000000e RBX: 0000000000000000 RCX: 0000000000000000
RDX: 00000000000000ff RSI: 00000000000000ff RDI: 00000000000000c0
RBP: 0000000000000000 R08: 0000000000000010 R09: 0000000000000030
R10: ffff81031c515ba8 R11: 0000000000000000 R12: 0000000000000000
R13: 000000000000bfff R14: 0000000000000292 R15: 0000000000000000
FS:  000000004187c940(0063) GS:ffff81061ffd24c0(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002b89b784b000 CR3: 000000031d0f3000 CR4: 00000000000006e0

Call Trace:
 [<ffffffff80075c0a>] __smp_call_function+0x62/0x8b
 [<ffffffff80075b15>] do_flush_tlb_all+0x0/0x6a
 [<ffffffff80075d40>] smp_call_function+0x32/0x47
 [<ffffffff80001c20>] _stext+0xc20/0x1000
 [<ffffffff80075b15>] do_flush_tlb_all+0x0/0x6a
 [<ffffffff8009359a>] on_each_cpu+0x10/0x22
 [<ffffffff800cf62c>] __remove_vm_area+0x2b/0x42
 [<ffffffff800cf65b>] remove_vm_area+0x18/0x25
 [<ffffffff800cf6af>] __vunmap+0x47/0xed
 [<ffffffff88230ec1>] :dm_mod:ctl_ioctl+0x237/0x25b
 [<ffffffff800420d9>] do_ioctl+0x55/0x6b
 [<ffffffff800302ce>] vfs_ioctl+0x457/0x4b9
 [<ffffffff8000d3a4>] dput+0x2c/0x114
 [<ffffffff800a164a>] hrtimer_wakeup+0x0/0x22
 [<ffffffff8004c766>] sys_ioctl+0x59/0x78
 [<ffffffff8005d116>] system_call+0x7e/0x83