[588133.416078] INFO: task secure-mount:32496 blocked for more than 120 seconds.
[588133.423208] "echo 0 > /proc/sys/kernel/hung task timeout secs" disables this message.
[588133.431398] secure-mount D ffffffff8180c9a0 0 32496 19953 0x00000000
Address: ffffffff8180c9a0
start rodata
??:0
[588133.431404] ffff880938245c08 0000000000000082 ffff88110ec52de0 0000000000013880
Address: ffff880938245c08
??
??:0
Address: 0000000000000082
per cpu start
??:0
Address: ffff88110ec52de0
??
??:0
Address: 0000000000013880
per cpu start
??:0
[588133.431411] ffff880938245fd8 ffff880938244010 0000000000013880 0000000000013880
Address: ffff880938245fd8
??
??:0
Address: ffff880938244010
??
??:0
Address: 0000000000013880
per cpu start
??:0
Address: 0000000000013880
per cpu start
??:0
[588133.431418] ffff880938245fd8 0000000000013880 ffff8811fbf12de0 ffff88110ec52de0
Address: ffff880938245fd8
??
??:0
Address: 0000000000013880
per cpu start
??:0
Address: ffff8811fbf12de0
??
??:0
Address: ffff88110ec52de0
??
??:0
[588133.431426] Call Trace:
[588133.431435] [<ffffffff8166b449>] schedule+0x29/0x70
raw read unlock irqrestore
??:0
[588133.431440] [<ffffffff8166c06d>] rwsem down failed common+0xcd/0x170
get current
/usr/src/linux-3.4.4/arch/x86/include/asm/current.h:14
[588133.431446] [<ffffffff811ee280>] ? init once+0x20/0x20
proc pid wchan
/usr/src/linux-3.4.4/fs/proc/base.c:270
[588133.431450] [<ffffffff8166c123>] rwsem down write failed+0x13/0x20
do trap
/usr/src/linux-3.4.4/arch/x86/kernel/traps.c:147
[588133.431458] [<ffffffff8132c053>] call rwsem down write failed+0x13/0x20
hex dump to buffer
/usr/src/linux-3.4.4/lib/hexdump.c:86
[588133.431462] [<ffffffff8166a302>] ? down write+0x32/0x40
constant test bit
/usr/src/linux-3.4.4/arch/x86/include/asm/bitops.h:312
[588133.431468] [<ffffffff8118d90a>] sget+0x36a/0x500
unregister chrdev region
/usr/src/linux-3.4.4/fs/char dev.c:176
[588133.431474] [<ffffffff811ee6f0>] ? proc mount+0x150/0x150
proc pid limits
/usr/src/linux-3.4.4/fs/proc/base.c:484
[588133.431480] [<ffffffff811ee5fa>] proc mount+0x5a/0x150
proc pid limits
/usr/src/linux-3.4.4/fs/proc/base.c:467
[588133.431484] [<ffffffff8118d3d3>] mount fs+0x43/0x210
cdev purge
/usr/src/linux-3.4.4/fs/char dev.c:442
[588133.431488] [<ffffffff811aa495>] vfs kern mount+0xc5/0x160
sys pivot root
/usr/src/linux-3.4.4/fs/namespace.c:2545
[588133.431491] [<ffffffff811aa5b2>] do kern mount+0x52/0x110
sys pivot root
/usr/src/linux-3.4.4/fs/namespace.c:2545
[588133.431499] [<ffffffff812b10b8>] ? security capable+0x18/0x20
security inode listxattr
/usr/src/linux-3.4.4/security/security.c:584
[588133.431503] [<ffffffff811abd01>] do mount+0x231/0x960
seq open
/usr/src/linux-3.4.4/fs/seq file.c:47
[588133.431509] [<ffffffff811ac4c0>] sys mount+0x90/0xe0
might fault
/usr/src/linux-3.4.4/include/linux/kernel.h:196
[588133.431516] [<ffffffff81674429>] system call fastpath+0x16/0x1b
call function single interrupt
/usr/src/linux-3.4.4/arch/x86/kernel/entry 64.S:1042
[588013.617254] INFO: task apache2:7696 blocked for more than 120 seconds.
[588013.631799] "echo 0 > /proc/sys/kernel/hung task timeout secs" disables this message.
[588013.641116] apache2 D 000000000000000f 0 7696 9371 0x00000000
Address: 000000000000000f
per cpu start
??:0
[588013.641123] ffff8800c8c294d8 0000000000000082 ffff880ee91e5bc0 0000000000013880
Address: ffff8800c8c294d8
??
??:0
Address: 0000000000000082
per cpu start
??:0
Address: ffff880ee91e5bc0
??
??:0
Address: 0000000000013880
per cpu start
??:0
[588013.641129] ffff8800c8c29fd8 ffff8800c8c28010 0000000000013880 0000000000013880
Address: ffff8800c8c29fd8
??
??:0
Address: ffff8800c8c28010
??
??:0
Address: 0000000000013880
per cpu start
??:0
Address: 0000000000013880
per cpu start
??:0
[588013.641134] ffff8800c8c29fd8 0000000000013880 ffff8810eb132de0 ffff880ee91e5bc0
Address: ffff8800c8c29fd8
??
??:0
Address: 0000000000013880
per cpu start
??:0
Address: ffff8810eb132de0
??
??:0
Address: ffff880ee91e5bc0
??
??:0
[588013.641139] Call Trace:
[588013.641148] [<ffffffff8166b449>] schedule+0x29/0x70
raw read unlock irqrestore
??:0
[588013.641153] [<ffffffff8166c06d>] rwsem down failed common+0xcd/0x170
get current
/usr/src/linux-3.4.4/arch/x86/include/asm/current.h:14
[588013.641157] [<ffffffff8166c123>] rwsem down write failed+0x13/0x20
do trap
/usr/src/linux-3.4.4/arch/x86/kernel/traps.c:147
[588013.641163] [<ffffffff8132c053>] call rwsem down write failed+0x13/0x20
hex dump to buffer
/usr/src/linux-3.4.4/lib/hexdump.c:86
[588013.641167] [<ffffffff8166a302>] ? down write+0x32/0x40
constant test bit
/usr/src/linux-3.4.4/arch/x86/include/asm/bitops.h:312
[588013.641173] [<ffffffff81139b1d>] unregister shrinker+0x1d/0x60
list add
/usr/src/linux-3.4.4/include/linux/list.h:43
[588013.641178] [<ffffffff8118d159>] deactivate locked super+0x49/0x90
iterate supers type
/usr/src/linux-3.4.4/fs/super.c:584
[588013.641182] [<ffffffff8118df8a>] deactivate super+0x4a/0x70
inode set bytes
/usr/src/linux-3.4.4/fs/stat.c:469
[588013.641187] [<ffffffff811a984a>] mntput no expire+0x11a/0x190
copy tree
/usr/src/linux-3.4.4/fs/namespace.c:1280
[588013.641191] [<ffffffff811a98e3>] mntput+0x23/0x40
copy tree
/usr/src/linux-3.4.4/fs/namespace.c:1280
[588013.641195] [<ffffffff811a992c>] kern unmount+0x2c/0x40
copy tree
/usr/src/linux-3.4.4/fs/namespace.c:1296
[588013.641201] [<ffffffff812a3405>] mq put mnt+0x15/0x20
sys mq timedreceive
/usr/src/linux-3.4.4/ipc/mqueue.c:1004
[588013.641204] [<ffffffff812a51af>] put ipc ns+0x3f/0x80
key user put
/usr/src/linux-3.4.4/security/keys/key.c:132
[588013.641207] [<ffffffff812a524e>] ipcns put+0xe/0x10
key user lookup
/usr/src/linux-3.4.4/security/keys/key.c:70
[588013.641213] [<ffffffff811ed74c>] proc evict inode+0x6c/0x80
proc self follow link
/usr/src/linux-3.4.4/fs/proc/base.c:2776
[588013.641216] [<ffffffff811a5813>] evict+0xb3/0x1c0
notify change
/usr/src/linux-3.4.4/fs/attr.c:262
[588013.641220] [<ffffffff811a5a3c>] iput+0x11c/0x230
setattr copy
/usr/src/linux-3.4.4/fs/attr.c:154
[588013.641223] [<ffffffff811a3a8c>] shrink dentry list+0x52c/0x570
wait on freeing inode
/usr/src/linux-3.4.4/fs/inode.c:1624
[588013.641227] [<ffffffff811a40fc>] prune dcache sb+0x18c/0x1c0
alloc inode
/usr/src/linux-3.4.4/fs/inode.c:216
[588013.641231] [<ffffffff8118d098>] prune super+0x158/0x1d0
iterate supers type
/usr/src/linux-3.4.4/fs/super.c:573
[588013.641235] [<ffffffff81139d5f>] shrink slab+0x19f/0x2e0
shrink inactive list
/usr/src/linux-3.4.4/mm/vmscan.c:1538
[588013.641239] [<ffffffff8113c590>] do try to free pages+0x460/0x590
try to freeze
/usr/src/linux-3.4.4/include/linux/freezer.h:47
[588013.641243] [<ffffffff8113c94b>] try to free pages+0x9b/0x120
trace mm vmscan kswapd wake
/usr/src/linux-3.4.4/include/trace/events/vmscan.h:56
[588013.641266] [<ffffffffa003d54d>] ? megasas build and issue cmd+0x1cd/0x5c0 [megaraid sas]
??
??:0
[588013.641272] [<ffffffff81130888>] alloc pages nodemask+0x4e8/0x930
dirty background ratio handler
/usr/src/linux-3.4.4/mm/page-writeback.c:356
[588013.641278] [<ffffffff8108ee7b>] ? dequeue entity+0x12b/0x310
alloc fair sched group
/usr/src/linux-3.4.4/kernel/sched/fair.c:5409
[588013.641283] [<ffffffff810abc6d>] ? ktime get ts+0xad/0xe0
sync cmos clock
/usr/src/linux-3.4.4/kernel/time/ntp.c:512
[588013.641290] [<ffffffff8116bbf6>] alloc pages vma+0xc6/0x1a0
trace mm compaction isolate freepages
/usr/src/linux-3.4.4/include/trace/events/compaction.h:41
[588013.641294] [<ffffffff811277b0>] ? sleep on page+0x20/0x20
filemap fault
/usr/src/linux-3.4.4/mm/filemap.c:1703
[588013.641298] [<ffffffff8115ff02>] read swap cache async+0xf2/0x150
setup swap map and extents
/usr/src/linux-3.4.4/mm/swapfile.c:1994
[588013.641302] [<ffffffff8115ffee>] swapin readahead+0x8e/0xd0
setup swap extents
/usr/src/linux-3.4.4/mm/swapfile.c:1466
[588013.641307] [<ffffffff81150610>] handle pte fault+0x6a0/0xaf0
sys mincore
/usr/src/linux-3.4.4/mm/mincore.c:268
[588013.641312] [<ffffffff811a836e>] ? vfsmount lock local unlock+0x1e/0x30
copy mount options
/usr/src/linux-3.4.4/fs/namespace.c:2098
[588013.641317] [<ffffffff8119552d>] ? complete walk+0x9d/0x120
do lookup
/usr/src/linux-3.4.4/fs/namei.c:1259
[588013.641322] [<ffffffff81150c35>] handle mm fault+0x1d5/0x330
mincore pmd range
/usr/src/linux-3.4.4/mm/mincore.c:172
[588013.641327] [<ffffffff8166fdfa>] do page fault+0x14a/0x480
kprobe optimizer
/usr/src/linux-3.4.4/kernel/kprobes.c:593
[588013.641331] [<ffffffff8108abf0>] ? dequeue entity+0x30/0x50
variable test bit
/usr/src/linux-3.4.4/arch/x86/include/asm/bitops.h:319
[588013.641336] [<ffffffff810127a9>] ? switch to+0x1a9/0x450
paravirt write msr
/usr/src/linux-3.4.4/arch/x86/include/asm/paravirt.h:138
[588013.641342] [<ffffffff81085153>] ? finish task switch+0x53/0x100
spin unlock irqrestore
/usr/src/linux-3.4.4/include/linux/spinlock.h:340
[588013.641346] [<ffffffff8166ad49>] ? schedule+0x3f9/0x7d0
rt mutex lock interruptible
/usr/src/linux-3.4.4/kernel/rtmutex.c:804
[588013.641350] [<ffffffff8166c8e5>] page fault+0x25/0x30
default do nmi
/usr/src/linux-3.4.4/arch/x86/kernel/nmi.c:366