System crashed after hung_task_timeout_secs traces for opswsshd process.

Issue

• System had hung_task_panic enabled and crashed after following traces

INFO: task opswsshd:59780 blocked for more than 120 seconds.
      Not tainted 2.6.32-504.8.1.el6.x86_64 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
opswsshd      D 0000000000000010     0 59780  19407 0x00000080
..
Call Trace:
 [<ffffffff811d2de2>] ? fsnotify_clear_marks_by_inode+0x32/0xf0
 [<ffffffff8152b366>] __mutex_lock_slowpath+0x96/0x210
 [<ffffffff811a7d1f>] ? d_free+0x3f/0x60
 [<ffffffff8152ae8b>] mutex_lock+0x2b/0x50
 [<ffffffff8119dbeb>] do_lookup+0x11b/0x230
 [<ffffffff8119e904>] __link_path_walk+0x7a4/0x1000
 [<ffffffff8119f41a>] path_walk+0x6a/0xe0
 [<ffffffff8119f62b>] filename_lookup+0x6b/0xc0
 [<ffffffff811a0757>] user_path_at+0x57/0xa0
 [<ffffffff81193bd0>] vfs_fstatat+0x50/0xa0
 [<ffffffff81156225>] ? do_mmap_pgoff+0x335/0x380
 [<ffffffff81193d4b>] vfs_stat+0x1b/0x20
 [<ffffffff81193d74>] sys_newstat+0x24/0x50
 [<ffffffff810e5c87>] ? audit_syscall_entry+0x1d7/0x200
 [<ffffffff8100c675>] ? math_state_restore+0x45/0x60
 [<ffffffff8152d6be>] ? do_device_not_available+0xe/0x10
 [<ffffffff8100b072>] system_call_fastpath+0x16/0x1b
Kernel panic - not syncing: hung_task: blocked tasks