kernel panic with 'dsmserv' in blocked state

Issue

• System crashed with messages in /var/log/messages as given below:

kernel: INFO: task dsmserv:15856 blocked for more than 120 seconds.
kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
 kernel: dsmserv      D ffffffff80154db9    0 15856      1        15857 15854 (NOTLB)
kernel:  ffff811755025e18 0000000000000082 ffff811066c6bd98 ffff81106540e448
kernel:  0000000300000001 0000000000000001 ffff81172128d0c0 ffff8113adcf3860
kernel:  0001df3bdf795694 00000000025b9152 ffff81172128d2a8 0000000780008da2
kernel: Call Trace:
kernel:  [<ffffffff8006467c>] __down_read+0x7a/0x92
kernel:  [<ffffffff8006716d>] do_page_fault+0x414/0x842
kernel:  [<ffffffff8005a111>] hrtimer_cancel+0xc/0x16
kernel:  [<ffffffff80063ce9>] do_nanosleep+0x47/0x70
kernel:  [<ffffffff80059ffe>] hrtimer_nanosleep+0x58/0x118
kernel:  [<ffffffff8005dde9>] error_exit+0x0/0x84