System crashed with error 'task_rq_lock+0x4d/0xa0'

Issue

• System crashed with following error messages, call traces:

  BUG: unable to handle kernel paging request at 000000057ae2a1a0
  IP: [<ffffffff810635cd>] task_rq_lock+0x4d/0xa0
  PGD ff0f59067 PUD 0 
  Oops: 0000 [#1] SMP 
  last sysfs file: /sys/devices/system/cpu/online
  CPU 4 
  Modules linked in: autofs4 nfs lockd fscache auth_rpcgss nfs_acl sunrpc secvm2(P)(U) secfs2(P)(U) ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables ipv6 ppdev microcode vmware_balloon parport_pc parport i2c_piix4 sg shpchp ext4 jbd2 mbcache sd_mod crc_t10dif sr_mod cdrom vmxnet3 vmw_pvscsi pata_acpi ata_generic ata_piix vmwgfx ttm drm_kms_helper drm i2c_core dm_mirror dm_region_hash dm_log dm_mod [last unloaded: speedstep_lib]
  Pid: 2980, comm: secfst Tainted: P        W  -- ------------    2.6.32-696.13.2.el6.x86_64 #1 VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform
  RIP: 0010:[<ffffffff810635cd>]  [<ffffffff810635cd>] task_rq_lock+0x4d/0xa0
  RSP: 0018:ffff881026bafdb0  EFLAGS: 00010082
  RAX: 00000000bf243120 RBX: 0000000000016ec0 RCX: 0000000000001000
  RDX: 0000000000000282 RSI: ffff881026bafe08 RDI: ffff8807bf233cc8
  RBP: ffff881026bafdd0 R08: 0000000000000000 R09: ffff8809ec80bc00
  R10: 0000000000000000 R11: 0000000000000000 R12: ffff8807bf233cc8
  R13: ffff881026bafe08 R14: 0000000000016ec0 R15: 000000000000000f
  FS:  00007fa2c9511700(0000) GS:ffff880028300000(0000) knlGS:0000000000000000
  CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
  CR2: 000000057ae2a1a0 CR3: 0000001026846000 CR4: 00000000000007e0
  DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
  Process secfst (pid: 2980, threadinfo ffff881026bac000, task ffff881023c78ab0)
  Stack:
   ffff8807bf233cc8 ffff88033d7f1bd0 0000000000000000 0000000000000004
   ffff881026bafe40 ffffffff8106c0fc 0000000000000000 ffff8809ec80bc00
   0000000000000000 0000000000000000 0000000000001000 0000000000000282
  Call Trace:
   [<ffffffff8106c0fc>] try_to_wake_up+0x3c/0x3e0
   [<ffffffff8106c4f5>] wake_up_process+0x15/0x20
   [<ffffffff8154bd72>] __mutex_unlock_slowpath+0x42/0x60
   [<ffffffff8154bceb>] mutex_unlock+0x1b/0x20
   [<ffffffffa03e0a15>] enc_page_job_done+0x55/0x160 [secfs2]
   [<ffffffffa03e187c>] encrypt_thread+0x14c/0x410 [secfs2]
   [<ffffffffa03e616f>] linux_wrapper_thread+0x9f/0xb0 [secfs2]
   [<ffffffffa03e1730>] ? encrypt_thread+0x0/0x410 [secfs2]
   [<ffffffff8100c28a>] child_rip+0xa/0x20
   [<ffffffffa03e1730>] ? encrypt_thread+0x0/0x410 [secfs2]
   [<ffffffffa03e60d0>] ? linux_wrapper_thread+0x0/0xb0 [secfs2]
   [<ffffffff8100c280>] ? child_rip+0x0/0x20
  Code: c3 c0 6e 01 00 49 89 fc 49 89 f5 9c 58 0f 1f 44 00 00 48 89 c2 fa 66 0f 1f 44 00 00 49 89 55 00 49 8b 44 24 08 49 89 de 8b 40 18 <4c> 03 34 c5 a0 18 c1 81 4c 89 f7 e8 03 a8 4e 00 49 8b 44 24 08 
  RIP  [<ffffffff810635cd>] task_rq_lock+0x4d/0xa0
   RSP <ffff881026bafdb0>
  CR2: 000000057ae2a1a0