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  1. Apr 13 14:02:42 storage1 kernel: [105899.856080] BUG: unable to handle kernel NULL pointer dereference at 0000000000000088
  2. Apr 13 14:02:42 storage1 kernel: [105899.856132] IP: [<ffffffffa03f0a39>] transport_free_dev_tasks+0xc6/0xe0 [target_core_mod]
  3. Apr 13 14:02:42 storage1 kernel: [105899.856186] PGD 2334ae067 PUD 234f87067 PMD 0
  4. Apr 13 14:02:42 storage1 kernel: [105899.856216] Oops: 0000 [#1] SMP
  5. Apr 13 14:02:42 storage1 kernel: [105899.856244] CPU 1
  6. Apr 13 14:02:42 storage1 kernel: [105899.856248] Modules linked in: crc32c target_core_pscsi target_core_file target_core_iblock iscsi_target_mod target_core_mod configfs ib_iser rdma_cm ib_addr iw_cm ib_cm ib_sa ib_mad ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nfsd nfs nfs_acl auth_rpcgss fscache lockd sunrpc drbd lru_cache cn ipmi_si ipmi_devintf ipmi_msghandler loop snd_pcm snd_page_alloc snd_timer i2c_i801 snd i2c_core soundcore psmouse pcspkr serio_raw iTCO_wdt iTCO_vendor_support evdev joydev button processor thermal_sys ext4 crc16 jbd2 mbcache dm_mod raid10 raid1 md_mod usbhid hid sd_mod crc_t10dif ahci libahci libata scsi_mod ehci_hcd e1000e usbcore usb_common [last unloaded: scsi_wait_scan]
  7. Apr 13 14:02:42 storage1 kernel: [105899.856639]
  8. Apr 13 14:02:42 storage1 kernel: [105899.856660] Pid: 17542, comm: iscsi_ttx Not tainted 3.2.0-2-amd64 #1 Supermicro X9SCL/X9SCM/X9SCL/X9SCM
  9. Apr 13 14:02:42 storage1 kernel: [105899.856714] RIP: 0010:[<ffffffffa03f0a39>] [<ffffffffa03f0a39>] transport_free_dev_tasks+0xc6/0xe0 [target_core_mod]
  10. Apr 13 14:02:42 storage1 kernel: [105899.856768] RSP: 0018:ffff880234fbbd50 EFLAGS: 00010246
  11. Apr 13 14:02:42 storage1 kernel: [105899.856795] RAX: 0000000000000000 RBX: ffff880235cfb280 RCX: ffff880235cfb468
  12. Apr 13 14:02:42 storage1 kernel: [105899.856840] RDX: dead000000200200 RSI: 0000000000000286 RDI: ffff8802272c03c0
  13. Apr 13 14:02:42 storage1 kernel: [105899.856885] RBP: ffff8802272c03f8 R08: ffff880234fbbd50 R09: ffff880235cfb4a0
  14. Apr 13 14:02:42 storage1 kernel: [105899.856929] R10: ffff880233fcf000 R11: ffff880233fcf000 R12: ffff880234fbbd50
  15. Apr 13 14:02:42 storage1 kernel: [105899.856974] R13: ffff8802272c03c0 R14: ffff880235cfb108 R15: ffff880233fcf130
  16. Apr 13 14:02:42 storage1 kernel: [105899.857019] FS: 0000000000000000(0000) GS:ffff88023fc80000(0000) knlGS:0000000000000000
  17. Apr 13 14:02:42 storage1 kernel: [105899.857065] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
  18. Apr 13 14:02:42 storage1 kernel: [105899.857093] CR2: 0000000000000088 CR3: 0000000235dcc000 CR4: 00000000000406e0
  19. Apr 13 14:02:42 storage1 kernel: [105899.857138] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  20. Apr 13 14:02:42 storage1 kernel: [105899.857183] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
  21. Apr 13 14:02:42 storage1 kernel: [105899.857227] Process iscsi_ttx (pid: 17542, threadinfo ffff880234fba000, task ffff8802345fb060)
  22. Apr 13 14:02:42 storage1 kernel: [105899.857274] Stack:
  23. Apr 13 14:02:42 storage1 kernel: [105899.857295] ffff880234fbbd50 ffff880234fbbd50 ffff880226e2a668 ffff880235cfb280
  24. Apr 13 14:02:42 storage1 kernel: [105899.857348] ffff8802270d6800 ffff880233fcf2d0 ffff880233fcf130 ffffffffa03f1dc8
  25. Apr 13 14:02:42 storage1 kernel: [105899.857401] ffff880233fcf000 ffffffffa0432c9a 0000100000000282 0000000000001000
  26. Apr 13 14:02:42 storage1 kernel: [105899.857454] Call Trace:
  27. Apr 13 14:02:42 storage1 kernel: [105899.857480] [<ffffffffa03f1dc8>] ? transport_generic_free_cmd+0x5c/0x65 [target_core_mod]
  28. Apr 13 14:02:42 storage1 kernel: [105899.857529] [<ffffffffa0432c9a>] ? iscsit_close_connection+0x120/0x4e0 [iscsi_target_mod]
  29. Apr 13 14:02:42 storage1 kernel: [105899.857578] [<ffffffffa043453b>] ? iscsi_target_tx_thread+0x14e1/0x1527 [iscsi_target_mod]
  30. Apr 13 14:02:42 storage1 kernel: [105899.857628] [<ffffffff8100d02f>] ? load_TLS+0x7/0xa
  31. Apr 13 14:02:42 storage1 kernel: [105899.857655] [<ffffffff8100d6a3>] ? __switch_to+0x133/0x258
  32. Apr 13 14:02:42 storage1 kernel: [105899.863096] [<ffffffffa043305a>] ? iscsit_close_connection+0x4e0/0x4e0 [iscsi_target_mod]
  33. Apr 13 14:02:42 storage1 kernel: [105899.863145] [<ffffffff8105ef3d>] ? kthread+0x76/0x7e
  34. Apr 13 14:02:42 storage1 kernel: [105899.863173] [<ffffffff81350174>] ? kernel_thread_helper+0x4/0x10
  35. Apr 13 14:02:42 storage1 kernel: [105899.863202] [<ffffffff8105eec7>] ? kthread_worker_fn+0x139/0x139
  36. Apr 13 14:02:42 storage1 kernel: [105899.863232] [<ffffffff81350170>] ? gs_change+0x13/0x13
  37. Apr 13 14:02:42 storage1 kernel: [105899.863258] Code: 00 4c 8d 6d c8 74 0e 48 3b bb 10 02 00 00 74 05 e8 ea 9b cf e0 48 89 ef e8 b5 f2 ff ff 48 8b 43 78 4c 89 ef 48 8b 80 90 02 00 00 <ff> 90 88 00 00 00 48 8b 2c 24 4c 39 e5 75 bc 48 83 c4 18 5b 5d
  38. Apr 13 14:02:42 storage1 kernel: [105899.863453] RIP [<ffffffffa03f0a39>] transport_free_dev_tasks+0xc6/0xe0 [target_core_mod]
  39. Apr 13 14:02:42 storage1 kernel: [105899.863503] RSP <ffff880234fbbd50>
  40. Apr 13 14:02:42 storage1 kernel: [105899.863526] CR2: 0000000000000088
  41. Apr 13 14:02:42 storage1 kernel: [105899.863955] ---[ end trace 491f2a50e89b6bd9 ]---
  42. Apr 13 14:02:42 storage1 kernel: [105899.954642] TARGET_CORE[iSCSI]: Detected NON_EXISTENT_LUN Access for 0x00000001
  43. Apr 13 14:02:42 storage1 kernel: [105899.954757] BUG: unable to handle kernel NULL pointer dereference at 0000000000000088
  44. Apr 13 14:02:42 storage1 kernel: [105899.954954] IP: [<ffffffffa03f0a39>] transport_free_dev_tasks+0xc6/0xe0 [target_core_mod]
  45. Apr 13 14:02:42 storage1 kernel: [105899.955108] PGD 0
  46. Apr 13 14:02:42 storage1 kernel: [105899.955222] Oops: 0000 [#2] SMP
  47. Apr 13 14:02:42 storage1 kernel: [105899.955403] CPU 0
  48. Apr 13 14:02:42 storage1 kernel: [105899.955458] Modules linked in: crc32c target_core_pscsi target_core_file target_core_iblock iscsi_target_mod target_core_mod configfs ib_iser rdma_cm ib_addr iw_cm ib_cm ib_sa ib_mad ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nfsd nfs nfs_acl auth_rpcgss fscache lockd sunrpc drbd lru_cache cn ipmi_si ipmi_devintf ipmi_msghandler loop snd_pcm snd_page_alloc snd_timer i2c_i801 snd i2c_core soundcore psmouse pcspkr serio_raw iTCO_wdt iTCO_vendor_support evdev joydev button processor thermal_sys ext4 crc16 jbd2 mbcache dm_mod raid10 raid1 md_mod usbhid hid sd_mod crc_t10dif ahci libahci libata scsi_mod ehci_hcd e1000e usbcore usb_common [last unloaded: scsi_wait_scan]
  49. Apr 13 14:02:42 storage1 kernel: [105899.959542]
  50. Apr 13 14:02:42 storage1 kernel: [105899.959610] Pid: 3787, comm: iscsi_ttx Tainted: G D 3.2.0-2-amd64 #1 Supermicro X9SCL/X9SCM/X9SCL/X9SCM
  51. Apr 13 14:02:42 storage1 kernel: [105899.959872] RIP: 0010:[<ffffffffa03f0a39>] [<ffffffffa03f0a39>] transport_free_dev_tasks+0xc6/0xe0 [target_core_mod]
  52. Apr 13 14:02:42 storage1 kernel: [105899.960031] RSP: 0018:ffff88022598ddb0 EFLAGS: 00010246
  53. Apr 13 14:02:42 storage1 kernel: [105899.960108] RAX: 0000000000000000 RBX: ffff88022704b280 RCX: ffff88022704b468
  54. Apr 13 14:02:42 storage1 kernel: [105899.960203] RDX: dead000000200200 RSI: 0000000000000282 RDI: ffff880233a078c0
  55. Apr 13 14:02:42 storage1 kernel: [105899.960299] RBP: ffff880233a078f8 R08: ffff88022598ddb0 R09: ffff88022704b4a0
  56. Apr 13 14:02:42 storage1 kernel: [105899.960391] R10: ffff880233095020 R11: ffff880233095020 R12: ffff88022598ddb0
  57. Apr 13 14:02:42 storage1 kernel: [105899.960486] R13: ffff880233a078c0 R14: ffff88022704b129 R15: ffff88022704b084
  58. Apr 13 14:02:42 storage1 kernel: [105899.960583] FS: 0000000000000000(0000) GS:ffff88023fc00000(0000) knlGS:0000000000000000
  59. Apr 13 14:02:42 storage1 kernel: [105899.960680] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
  60. Apr 13 14:02:42 storage1 kernel: [105899.960754] CR2: 0000000000000088 CR3: 0000000001605000 CR4: 00000000000406f0
  61. Apr 13 14:02:42 storage1 kernel: [105899.960846] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  62. Apr 13 14:02:42 storage1 kernel: [105899.960937] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
  63. Apr 13 14:02:42 storage1 kernel: [105899.961031] Process iscsi_ttx (pid: 3787, threadinfo ffff88022598c000, task ffff880233095020)
  64. Apr 13 14:02:42 storage1 kernel: [105899.961125] Stack:
  65. Apr 13 14:02:42 storage1 kernel: [105899.961195] ffff88022598ddb0 ffff88022598ddb0 ffff880226e2a668 ffff88022704b280
  66. Apr 13 14:02:42 storage1 kernel: [105899.961499] ffff88022598def0 ffff880233f20800 ffff88022704b040 ffffffffa03f1dc8
  67. Apr 13 14:02:42 storage1 kernel: [105899.961800] ffff88022704b128 ffffffffa04331fb ffffffff8100d02f ffffffff8100d6a3
  68. Apr 13 14:02:42 storage1 kernel: [105899.962106] Call Trace:
  69. Apr 13 14:02:42 storage1 kernel: [105899.962183] [<ffffffffa03f1dc8>] ? transport_generic_free_cmd+0x5c/0x65 [target_core_mod]
  70. Apr 13 14:02:42 storage1 kernel: [105899.962280] [<ffffffffa04331fb>] ? iscsi_target_tx_thread+0x1a1/0x1527 [iscsi_target_mod]
  71. Apr 13 14:02:42 storage1 kernel: [105899.962378] [<ffffffff8100d02f>] ? load_TLS+0x7/0xa
  72. Apr 13 14:02:42 storage1 kernel: [105899.962453] [<ffffffff8100d6a3>] ? __switch_to+0x133/0x258
  73. Apr 13 14:02:42 storage1 kernel: [105899.962530] [<ffffffffa043305a>] ? iscsit_close_connection+0x4e0/0x4e0 [iscsi_target_mod]
  74. Apr 13 14:02:42 storage1 kernel: [105899.962628] [<ffffffff8105ef3d>] ? kthread+0x76/0x7e
  75. Apr 13 14:02:42 storage1 kernel: [105899.962706] [<ffffffff81350174>] ? kernel_thread_helper+0x4/0x10
  76. Apr 13 14:02:42 storage1 kernel: [105899.962787] [<ffffffff8105eec7>] ? kthread_worker_fn+0x139/0x139
  77. Apr 13 14:02:42 storage1 kernel: [105899.962865] [<ffffffff81350170>] ? gs_change+0x13/0x13
  78. Apr 13 14:02:42 storage1 kernel: [105899.962941] Code: 00 4c 8d 6d c8 74 0e 48 3b bb 10 02 00 00 74 05 e8 ea 9b cf e0 48 89 ef e8 b5 f2 ff ff 48 8b 43 78 4c 89 ef 48 8b 80 90 02 00 00 <ff> 90 88 00 00 00 48 8b 2c 24 4c 39 e5 75 bc 48 83 c4 18 5b 5d
  79. Apr 13 14:02:42 storage1 kernel: [105899.966480] RIP [<ffffffffa03f0a39>] transport_free_dev_tasks+0xc6/0xe0 [target_core_mod]
  80. Apr 13 14:02:42 storage1 kernel: [105899.966634] RSP <ffff88022598ddb0>
  81. Apr 13 14:02:42 storage1 kernel: [105899.966708] CR2: 0000000000000088
  82. Apr 13 14:02:42 storage1 kernel: [105899.966789] ---[ end trace 491f2a50e89b6bda ]---
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