[Bug 882540] Re: kernel crash whenever it is accessed

Thu Dec 22 10:45:27 UTC 2011

Ubuntu Server 11.10 x64

Linux hp1 3.0.0-14-server #23-Ubuntu SMP Mon Nov 21 20:49:05 UTC 2011
x86_64 x86_64 x86_64 GNU/Linux

Linux version 3.0.0-14-server (buildd at allspice) (gcc version 4.6.1
(Ubuntu/Linaro 4.6.1-9ubuntu3) ) #23-Ubuntu SMP Mon Nov 21 20:49:05 UTC
2011

my kernel dump

Dec 21 23:02:32 hp1 kernel: [ 3733.850490] Modules linked in: iscsi_trgt nfsd nfs lockd fscache auth_rpcgss nfs_acl sunrpc radeon ttm drm_kms_helper amd64_edac_mod drm edac_core ghes sp5100_tco edac_mce_amd hed i2c_algo_bit k10temp shpchp i2c_piix4 lp parport ahci tg3 libahci pata_atiixp dm_raid45 xor dm_mirror dm_region_hash dm_log
Dec 21 23:02:32 hp1 kernel: [ 3733.850490]
Dec 21 23:02:32 hp1 kernel: [ 3733.850490] Pid: 2541, comm: istd3 Tainted: G      D     3.0.0-14-server #23-Ubuntu HP ProLiant MicroServer
Dec 21 23:02:32 hp1 kernel: [ 3733.850490] RIP: 0010:[<0000000000000000>]  [<          (null)>]           (null)
Dec 21 23:02:32 hp1 kernel: [ 3733.850490] RSP: 0018:ffff880118539b48  EFLAGS: 00010093
Dec 21 23:02:32 hp1 kernel: [ 3733.850490] RAX: ffff8801156d3e80 RBX: ffffffffffffffe8 RCX: 0000000000000000
Dec 21 23:02:32 hp1 kernel: [ 3733.850490] RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff8801156d3e80
Dec 21 23:02:32 hp1 kernel: [ 3733.850490] RBP: ffff880118539b90 R08: 0000000000000000 R09: 0000000000000000
Dec 21 23:02:32 hp1 kernel: [ 3733.850490] R10: 0e10000000000000 R11: 0000000007080000 R12: 0000000000000000
Dec 21 23:02:32 hp1 kernel: [ 3733.850490] R13: ffff8800bc3cd390 R14: 0000000000000000 R15: 0000000000000000
Dec 21 23:02:32 hp1 kernel: [ 3733.850490] FS:  00007f0ac3f1b740(0000) GS:ffff88011fc00000(0000) knlGS:0000000000000000
Dec 21 23:02:32 hp1 kernel: [ 3733.850490] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Dec 21 23:02:32 hp1 kernel: [ 3733.850490] CR2: 0000000000000000 CR3: 0000000104ea0000 CR4: 00000000000006f0
Dec 21 23:02:32 hp1 kernel: [ 3733.850490] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Dec 21 23:02:32 hp1 kernel: [ 3733.850490] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Dec 21 23:02:32 hp1 kernel: [ 3733.850490] Process istd3 (pid: 2541, threadinfo ffff880118538000, task ffff880104a91720)
Dec 21 23:02:32 hp1 kernel: [ 3733.850490] Stack:
Dec 21 23:02:32 hp1 kernel: [ 3733.850490]  ffffffff81044b08 0000000000000000 0000000300000001 ffff880118539b70
Dec 21 23:02:32 hp1 kernel: [ 3733.850490]  ffff8800bc3cd388 0000000000000282 0000000000000003 0000000000000001
Dec 21 23:02:32 hp1 kernel: [ 3733.850490]  0000000000000000 ffff880118539bd0 ffffffff810465d8 0000000000000000
Dec 21 23:02:32 hp1 kernel: [ 3733.850490] Call Trace:
Dec 21 23:02:32 hp1 kernel: [ 3733.850490]  [<ffffffff81044b08>] ? __wake_up_common+0x58/0x90
Dec 21 23:02:32 hp1 kernel: [ 3733.850490]  [<ffffffff810465d8>] __wake_up+0x48/0x70
Dec 21 23:02:32 hp1 kernel: [ 3733.850490]  [<ffffffffa038cf7d>] wthread_queue+0x7d/0x140 [iscsi_trgt]
Dec 21 23:02:32 hp1 kernel: [ 3733.850490]  [<ffffffffa0388123>] iscsi_device_queue_cmnd+0x13/0x20 [iscsi_trgt]
Dec 21 23:02:32 hp1 kernel: [ 3733.850490]  [<ffffffffa038962a>] iscsi_cmnd_exec+0x53a/0x820 [iscsi_trgt]
Dec 21 23:02:32 hp1 kernel: [ 3733.850490]  [<ffffffffa0387e97>] ? cmnd_insert_hash_ttt+0xd7/0x100 [iscsi_trgt]
Dec 21 23:02:32 hp1 kernel: [ 3733.850490]  [<ffffffffa0389b64>] iscsi_session_push_cmnd+0x254/0x310 [iscsi_trgt]
Dec 21 23:02:32 hp1 kernel: [ 3733.850490]  [<ffffffffa038a4be>] ? cmnd_rx_start+0x24e/0xac0 [iscsi_trgt]
Dec 21 23:02:32 hp1 kernel: [ 3733.850490]  [<ffffffffa038ae78>] cmnd_rx_end+0x148/0x320 [iscsi_trgt]
Dec 21 23:02:32 hp1 kernel: [ 3733.850490]  [<ffffffffa038b8fd>] istd+0x3fd/0x1470 [iscsi_trgt]
Dec 21 23:02:32 hp1 kernel: [ 3733.850490]  [<ffffffff810482f8>] ? hrtick_update+0x38/0x40
Dec 21 23:02:32 hp1 kernel: [ 3733.850490]  [<ffffffff81553a90>] ? inet_sendmsg+0xb0/0xb0
Dec 21 23:02:32 hp1 kernel: [ 3733.850490]  [<ffffffff81044b08>] ? __wake_up_common+0x58/0x90
Dec 21 23:02:32 hp1 kernel: [ 3733.850490]  [<ffffffffa038b500>] ? nthread_wakeup+0x50/0x50 [iscsi_trgt]
Dec 21 23:02:32 hp1 kernel: [ 3733.850490]  [<ffffffff81080bbc>] kthread+0x8c/0xa0
Dec 21 23:02:32 hp1 kernel: [ 3733.850490]  [<ffffffff81609164>] kernel_thread_helper+0x4/0x10
Dec 21 23:02:32 hp1 kernel: [ 3733.850490]  [<ffffffff81080b30>] ? flush_kthread_worker+0xa0/0xa0
Dec 21 23:02:32 hp1 kernel: [ 3733.850490]  [<ffffffff81609160>] ? gs_change+0x13/0x13
Dec 21 23:02:32 hp1 kernel: [ 3733.850490] Code:  Bad RIP value.
Dec 21 23:02:32 hp1 kernel: [ 3733.850490] RIP  [<          (null)>]           (null)
Dec 21 23:02:32 hp1 kernel: [ 3733.850490]  RSP <ffff880118539b48>
Dec 21 23:02:32 hp1 kernel: [ 3733.850490] CR2: 0000000000000000
Dec 21 23:02:32 hp1 kernel: [ 3733.850490] ---[ end trace c84f7f915da15064 ]---
Dec 22 10:36:24 hp1 kernel: Kernel logging (proc) stopped.

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Title:
  kernel crash whenever it is accessed

Status in “iscsitarget” package in Ubuntu:
  Confirmed

Bug description:
  Here is the stack trace in kern.log:

  Oct 27 19:48:36 clrm213s001 kernel: [ 2386.222520]  [<ffffffff8105df90>] ? default_wake_function+0x0/0x20
  Oct 27 19:48:36 clrm213s001 kernel: [ 2386.222520]  [<ffffffffa03a3be0>] ? worker_thread+0x0/0x1e0 [iscsi_trgt]
  Oct 27 19:48:36 clrm213s001 kernel: [ 2386.222520]  [<ffffffff81085db6>] kthread+0x96/0xa0
  Oct 27 19:48:36 clrm213s001 kernel: [ 2386.222520]  [<ffffffff810141aa>] child_rOct 27 19:48:36 clrm213s001 kernel: [ 2386.222520]  [<ffffffffa03a8339>] disk_execute_cmnd+0x189/0x200 [iscsi_trgt]
  Oct 27 19:48:36 clrm213s001 kernel: [ 2386.222520]  [<ffffffffa03a3cd1>] worker_thread+0xf1/0x1e0 [iscsi_trgt]
  Oct 27 19:48:36 clrm213s001 kernel: [ 2386.222520]  [<ffffffff8105df90>] ? default_wake_function+0x0/0x20
  Oct 27 19:48:36 clrm213s001 kernel: [ 2386.222520]  [<ffffffffa03a3be0>] ? worker_thread+0x0/0x1e0 [iscsi_trgt]
  Oct 27 19:48:36 clrm213s001 kernel: [ 2386.222520]  [<ffffffff81085db6>] kthread+0x96/0xa0
  Oct 27 19:48:36 clrm213s001 kernel: [ 2386.222520]  [<ffffffff810141aa>] child_rip+0xa/0x20
  Oct 27 19:48:36 clrm213s001 kernel: [ 2386.222520]  [<ffffffff81085d20>] ? kthread+0x0/0xa0
  Oct 27 19:48:36 clrm213s001 kernel: [ 2386.222520]  [<ffffffff810141a0>] ? child_rip+0x0/0x20
  Oct 27 19:48:36 clrm213s001 kernel: [ 2386.222520] Code:  Bad RIP value.
  Oct 27 19:48:36 clrm213s001 kernel: [ 2386.222520] RIP  [<(null)>] (null)
  Oct 27 19:48:36 clrm213s001 kernel: [ 2386.222520]  RSP <ffff8800a950dc38>
  Oct 27 19:48:36 clrm213s001 kernel: [ 2386.222520] CR2: 0000000000000000
  Oct 27 19:48:36 clrm213s001 kernel: [ 2386.569522] ---[ end trace 70403c9a2faba19c ]---

  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: iscsitarget (not installed)
  ProcVersionSignature: Ubuntu 2.6.32-34.77-server 2.6.32.44+drm33.19
  Uname: Linux 2.6.32-34-server x86_64
  Architecture: amd64
  Date: Thu Oct 27 20:33:31 2011
  InstallationMedia: Ubuntu-Server 10.04.3 LTS "Lucid Lynx" - Release amd64 (20110719.2)
  ProcEnviron:
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: iscsitarget

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