Issue

• mic module loaded system caused kernel panic at _wake_up_common+0x31/0x90

  <1>BUG: unable to handle kernel NULL pointer dereference at (null)
  <1>IP: [<ffffffff810513f1>] __wake_up_common+0x31/0x90
  <4>PGD cf600a067 PUD ad5bf1067 PMD 0 
  <4>Oops: 0000 [#1] SMP 
  <4>last sysfs file: /sys/devices/pci0000:80/0000:80:03.0/0000:84:00.0/mic/mic3/cmdline
  <4>CPU 0 
  <4>Modules linked in: nfsd lockd nfs_acl auth_rpcgss exportfs iptable_filter ip_tables autofs4 ipmi_devintf sunrpc cpufreq_ondemand acpi_cpufreq freq_table mperf bonding 8021q garp stp llc ipv6 mic(U) uinput acpi_pad igb dca ptp pps_core sg microcode serio_raw i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer snd soundcore snd_page_alloc shpchp ext4 mbcache jbd2 sd_mod crc_t10dif megaraid_sas sr_mod cdrom isci libsas scsi_transport_sas ahci wmi dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]
  <4>
  <4>Pid: 2397, comm: SCIF INTR 1 Not tainted 2.6.32-358.el6.x86_64 #1 Supermicro SYS-7047GR-TPRF/X9DRG-QF
  <4>RIP: 0010:[<ffffffff810513f1>]  [<ffffffff810513f1>] __wake_up_common+0x31/0x90
  <4>RSP: 0018:ffff881064e81c30  EFLAGS: 00010082
  <4>RAX: ffffffffffffffe8 RBX: ffff882066ef6da8 RCX: 0000000000000000
  <4>RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff882066ef6da8
  <4>RBP: ffff881064e81c70 R08: 0000000000000000 R09: 00000000ffffffff
  <4>R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000282
  <4>R13: ffff882066ef6db0 R14: 0000000000000000 R15: 0000000000000000
  <4>FS:  0000000000000000(0000) GS:ffff880028200000(0000) knlGS:0000000000000000
  <4>CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
  <4>CR2: 0000000000000000 CR3: 0000001066025000 CR4: 00000000001407f0
  <4>DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  <4>DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
  <4>Process SCIF INTR 1 (pid: 2397, threadinfo ffff881064e80000, task ffff881062ed0080)
  <4>Stack:
  <4> 00000000ffffffff 0000000300000001 0000000000016700 ffff882066ef6da8
  <4><d> 0000000000000282 0000000000000003 0000000000000001 0000000000000000
  <4><d> ffff881064e81cb0 ffffffff81055aa8 00000000ffffffff ffff881064e81d80
  <4>Call Trace:
  <4> [<ffffffff81055aa8>] __wake_up+0x48/0x70
  <4> [<ffffffffa029f55b>] scif_discntack_resp+0x2b/0x30 [mic]
  <4> [<ffffffffa029f0a5>] micscif_nodeqp_msg_handler+0x45/0x70 [mic]
  <4> [<ffffffffa02a1986>] micscif_nodeqp_intrhandler+0xe6/0x410 [mic]
  <4> [<ffffffff8150d6e0>] ? thread_return+0x4e/0x76e
  <4> [<ffffffffa029c1b0>] ? micscif_intr_bh_handler+0x0/0x70 [mic]
  <4> [<ffffffffa029c1f9>] micscif_intr_bh_handler+0x49/0x70 [mic]
  <4> [<ffffffff81090ac0>] worker_thread+0x170/0x2a0
  <4> [<ffffffff81096c80>] ? autoremove_wake_function+0x0/0x40
  <4> [<ffffffff81090950>] ? worker_thread+0x0/0x2a0
  <4> [<ffffffff81096916>] kthread+0x96/0xa0
  <4> [<ffffffff8100c0ca>] child_rip+0xa/0x20
  <4> [<ffffffff81096880>] ? kthread+0x0/0xa0
  <4> [<ffffffff8100c0c0>] ? child_rip+0x0/0x20
  <4>Code: 41 56 41 55 41 54 53 48 83 ec 18 0f 1f 44 00 00 89 75 cc 89 55 c8 4c 8d 6f 08 48 8b 57 08 41 89 cf 4d 89 c6 48 8d 42 e8 49 39 d5 <48> 8b 58 18 74 3f 48 83 eb 18 eb 0a 0f 1f 00 48 89 d8 48 8d 5a 
  <1>RIP  [<ffffffff810513f1>] __wake_up_common+0x31/0x90
  <4> RSP <ffff881064e81c30>
  <4>CR2: 0000000000000000
  

  The module detail is below

      165 filename:       /lib/modules/2.6.32-358.el6.x86_64/extra/mic.ko
      166 license:        GPL
      167 build_scmver:   1ab32182c425963ae220d391c8471bd9c43b3f47
      168 build_ondate:   2013-11-16 15:50:12 -0800
      169 build_bywhom:   root@yocto-182-67
      170 build_number:   0
      171 license:        GPL
      172 license:        GPL
      173 srcversion:     95E3FFE5DEF70BACBF9B16B
      174 depends:        
      175 vermagic:       2.6.32-358.el6.x86_64 SMP mod_unload modversions