System crashed in the command 'ldlm_bl_54'

Issue

• System crashed with the following call stack trace

------------[ cut here ]------------
kernel BUG at fs/inode.c:313!
invalid opcode: 0000 [#1] SMP 
last sysfs file: /sys/devices/system/cpu/cpu11/cache/index2/shared_cpu_map
CPU 3 
Modules linked in: smbus(U) fuse sr_mod cdrom mgc(U) fefs(U) lov(U) lquota(U) mdc(U) osc(U) ptlrpc(U) obdclass(U) lvfs(U) ko2iblnd(U) lnet(U) libcfs(U) mptctl mptbase autofs4 bnx2fc cnic uio fcoe libfcoe 8021q libfc garp stp scsi_transport_fc llc scsi_tgt ipmi_devintf ipmi_si ipmi_msghandler sunrpc cpufreq_ondemand acpi_cpufreq freq_table cachefiles fscache(T) bonding ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 ib_sa dm_mirror dm_region_hash dm_log uinput usb_storage power_meter hwmon sg microcode ghes hed igb i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support mlx4_ib ib_mad ib_core mlx4_en mlx4_core ixgbe dca mdio ext3 jbd mbcache sd_mod crc_t10dif ahci megaraid_sas dm_mod [last unloaded: smbus]

Modules linked in: smbus(U) fuse sr_mod cdrom mgc(U) fefs(U) lov(U) lquota(U) mdc(U) osc(U) ptlrpc(U) obdclass(U) lvfs(U) ko2iblnd(U) lnet(U) libcfs(U) mptctl mptbase autofs4 bnx2fc cnic uio fcoe libfcoe 8021q libfc garp stp scsi_transport_fc llc scsi_tgt ipmi_devintf ipmi_si ipmi_msghandler sunrpc cpufreq_ondemand acpi_cpufreq freq_table cachefiles fscache(T) bonding ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ipv6 ib_sa dm_mirror dm_region_hash dm_log uinput usb_storage power_meter hwmon sg microcode ghes hed igb i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support mlx4_ib ib_mad ib_core mlx4_en mlx4_core ixgbe dca mdio ext3 jbd mbcache sd_mod crc_t10dif ahci megaraid_sas dm_mod [last unloaded: smbus]
Pid: 13598, comm: ldlm_bl_03 Tainted: G        W  ---------------- T 2.6.32-131.0.15.el6.x86_64 #1 PRIMERGY RX200 S7
RIP: 0010:[<ffffffff8118ca98>]  [<ffffffff8118ca98>] clear_inode+0xf8/0x110
RSP: 0018:ffff880c62b6dd40  EFLAGS: 00010202
RAX: 0000000000000000 RBX: ffff8802ce81a910 RCX: 000000000000000c
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8802ce81a910
RBP: ffff880c62b6dd50 R08: ffff880c62b6dba0 R09: 000000000000000e
R10: 0000000000000003 R11: 0000000000000001 R12: ffffffff81efa180
R13: 0000000000000000 R14: ffff8804ccbf5c18 R15: 0000000000000000
FS:  00007fe0a9ba8700(0000) GS:ffff8800282c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 00007f874e030d60 CR3: 0000000001a25000 CR4: 00000000000406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process ldlm_bl_03 (pid: 13598, threadinfo ffff880c62b6c000, task ffff880c5e680b40)
Stack:
 ffff880add973d50 ffff880379671910 ffff880add973d80 ffffffff8118d1d6
<0> ffff88064d4da000 ffff880379671910 ffff88064d4da000 0000000000000000
<0> ffff880add973da0 ffffffff8118d275 0000000001ff17f3 ffff880379671910
Call Trace:
 [<ffffffff8118d1d6>] generic_delete_inode+0x196/0x1d0
 [<ffffffff8118d275>] generic_drop_inode+0x65/0x80
 [<ffffffff8118c0e2>] iput+0x62/0x70
 [<ffffffffa05352f5>] ll_extent_blocking_cb+0xd5/0x250 [fefs] 
 [<ffffffffa0ad6072>] ? lock_res_and_lock+0x72/0x190 [ptlrpc]
 [<ffffffffa0afbf69>] ldlm_handle_bl_callback+0xb9/0x260 [ptlrpc]
 [<ffffffff8108e51c>] ? remove_wait_queue+0x3c/0x50
 [<ffffffffa0b05d82>] ldlm_bl_thread_main+0x172/0x420 [ptlrpc]
 [<ffffffff8105dc60>] ? default_wake_function+0x0/0x20
 [<ffffffff8100c1ca>] child_rip+0xa/0x20
 [<ffffffffa0b05c10>] ? ldlm_bl_thread_main+0x0/0x420 [ptlrpc]
 [<ffffffff8100c1c0>] ? child_rip+0x0/0x20
Code: e8 8e 92 fe ff eb d5 0f 1f 40 00 48 83 bb d0 01 00 00 00 74 c7 48 89 df e8 26 cd 01 00 0f b7 83 ae 00 00 00 25 00 f0 00 00 eb aa <0f> 0b eb fe 0f 0b eb fe 0f 0b eb fe 66 66 66 2e 0f 1f 84 00 00 
RIP  [<ffffffff8118ca98>] clear_inode+0xf8/0x110
 RSP <ffff880add973d40>