Oct 18 11:07:31 server1 kernel: [169886.417219] iscsi_trgt: BUG at /var/lib/dkms/iscsitarget/1.4.20.2/build/kernel/iscsi.c:1053 assert(0)
Oct 18 11:07:31 server1 kernel: [169886.417782] Pid: 19139, comm: istd5 Tainted: GF W O 3.8.0-19-generic #30-Ubuntu
Oct 18 11:07:31 server1 kernel: [169886.417784] Call Trace:
Oct 18 11:07:31 server1 kernel: [169886.417794] [<ffffffffa0379785>] cmnd_rx_start+0x6e5/0xac0 [iscsi_trgt]
Oct 18 11:07:31 server1 kernel: [169886.417801] [<ffffffffa037a5d1>] istd+0x2f1/0x1390 [iscsi_trgt]
Oct 18 11:07:31 server1 kernel: [169886.417807] [<ffffffff810953ae>] ? dequeue_entity+0x13e/0x4b0
Oct 18 11:07:31 server1 kernel: [169886.417812] [<ffffffff8108c9dc>] ? ttwu_do_wakeup+0x2c/0xe0
Oct 18 11:07:31 server1 kernel: [169886.417818] [<ffffffff816c9916>] ? __schedule+0x3c6/0x7a0
Oct 18 11:07:31 server1 kernel: [169886.417824] [<ffffffffa037a2e0>] ? nthread_wakeup+0x50/0x50 [iscsi_trgt]
Oct 18 11:07:31 server1 kernel: [169886.417827] [<ffffffff8107d300>] kthread+0xc0/0xd0
Oct 18 11:07:31 server1 kernel: [169886.417831] [<ffffffff8107d240>] ? kthread_create_on_node+0x120/0x120
Oct 18 11:07:31 server1 kernel: [169886.417835] [<ffffffff816d372c>] ret_from_fork+0x7c/0xb0
Oct 18 11:07:31 server1 kernel: [169886.417838] [<ffffffff8107d240>] ? kthread_create_on_node+0x120/0x120
Oct 18 11:07:31 server1 kernel: [169886.417859] ------------[ cut here ]------------
Oct 18 11:07:31 server1 kernel: [169886.418149] Kernel BUG at ffffffffa0379785 [verbose debug info unavailable]
Oct 18 11:07:31 server1 kernel: [169886.418438] invalid opcode: 0000 [#1] SMP
Oct 18 11:07:31 server1 kernel: [169886.418734] Modules linked in: iscsi_trgt(OF) ip6table_filter(F) ip6_tables(F) iptable_filter(F) ip_tables(F) ebtable_nat(F) ebtables(F) x_tables(F) rfcomm bnep bluetooth coretemp kvm_intel kvm ghash_clmulni_intel(F) aesni_intel(F) aes_x86_64(F) xts(F) lrw(F) gf128mul(F) ablk_helper(F) cryptd(F) snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep(F) snd_pcm(F) snd_page_alloc(F) snd_seq_midi(F) snd_seq_midi_event(F) snd_rawmidi(F) snd_seq(F) nouveau snd_seq_device(F) snd_timer(F) snd(F) mxm_wmi ttm video(F) wmi drm_kms_helper drm i2c_algo_bit mac_hid bonding(F) mei lpc_ich soundcore(F) lp(F) parport(F) serio_raw(F) microcode(F) btrfs(F) zlib_deflate(F) libcrc32c(F) tg3 ptp r8169 pps_core ahci(F) libahci(F) [last unloaded: iscsi_trgt]
Oct 18 11:07:31 server1 kernel: [169886.420159] CPU 0
Oct 18 11:07:31 server1 kernel: [169886.420165] Pid: 19139, comm: istd5 Tainted: GF W O 3.8.0-19-generic #30-Ubuntu To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Professional-M
Oct 18 11:07:31 server1 kernel: [169886.420866] RIP: 0010:[<ffffffffa0379785>] [<ffffffffa0379785>] cmnd_rx_start+0x6e5/0xac0 [iscsi_trgt]
Oct 18 11:07:31 server1 kernel: [169886.421238] RSP: 0018:ffff880055969d10 EFLAGS: 00010286
Oct 18 11:07:31 server1 kernel: [169886.421604] RAX: ffff8800559e3c50 RBX: ffff8803f84bc000 RCX: 0000000000000001
Oct 18 11:07:31 server1 kernel: [169886.421975] RDX: 000000000000a559 RSI: 0000000000000086 RDI: ffffffff81c15347
Oct 18 11:07:31 server1 kernel: [169886.422353] RBP: ffff880055969d70 R08: ffffffffa038601c R09: 0000000000000000
Oct 18 11:07:31 server1 kernel: [169886.422732] R10: 0000000000019e50 R11: 0000000000000002 R12: ffff88024deb8618
Oct 18 11:07:31 server1 kernel: [169886.423114] R13: ffff8803f84be000 R14: 0000000000000000 R15: ffff8803f84be000
Oct 18 11:07:31 server1 kernel: [169886.423500] FS: 0000000000000000(0000) GS:ffff88041ec00000(0000) knlGS:0000000000000000
Oct 18 11:07:31 server1 kernel: [169886.423893] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Oct 18 11:07:31 server1 kernel: [169886.424286] CR2: 00007f0784ef248f CR3: 0000000001c0d000 CR4: 00000000001407f0
Oct 18 11:07:31 server1 kernel: [169886.424683] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Oct 18 11:07:31 server1 kernel: [169886.425084] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Oct 18 11:07:31 server1 kernel: [169886.425489] Process istd5 (pid: 19139, threadinfo ffff880055968000, task ffff880093ec2e80)
Oct 18 11:07:31 server1 kernel: [169886.425897] Stack:
Oct 18 11:07:31 server1 kernel: [169886.426305] ffff880055969fd8 ffff880055969fd8 ffff880055969fd8 ffffffff81c15440
Oct 18 11:07:31 server1 kernel: [169886.426728] ffff880093ec2e80 0000000057419400 0000000000000400 0000000000000000
Oct 18 11:07:31 server1 kernel: [169886.427150] 0000000000000001 0000000000000030 ffff88024deb8618 ffff8803f84be000
Oct 18 11:07:31 server1 kernel: [169886.427573] Call Trace:
Oct 18 11:07:31 server1 kernel: [169886.427997] [<ffffffffa037a5d1>] istd+0x2f1/0x1390 [iscsi_trgt]
Oct 18 11:07:31 server1 kernel: [169886.428423] [<ffffffff810953ae>] ? dequeue_entity+0x13e/0x4b0
Oct 18 11:07:31 server1 kernel: [169886.428844] [<ffffffff8108c9dc>] ? ttwu_do_wakeup+0x2c/0xe0
Oct 18 11:07:31 server1 kernel: [169886.429265] [<ffffffff816c9916>] ? __schedule+0x3c6/0x7a0
Oct 18 11:07:31 server1 kernel: [169886.429688] [<ffffffffa037a2e0>] ? nthread_wakeup+0x50/0x50 [iscsi_trgt]
Oct 18 11:07:31 server1 kernel: [169886.430113] [<ffffffff8107d300>] kthread+0xc0/0xd0
Oct 18 11:07:31 server1 kernel: [169886.430533] [<ffffffff8107d240>] ? kthread_create_on_node+0x120/0x120
Oct 18 11:07:31 server1 kernel: [169886.430954] [<ffffffff816d372c>] ret_from_fork+0x7c/0xb0
Oct 18 11:07:31 server1 kernel: [169886.431376] [<ffffffff8107d240>] ? kthread_create_on_node+0x120/0x120
Oct 18 11:07:31 server1 kernel: [169886.431800] Code: 89 85 fa ff ff 48 c7 c1 1c 60 38 a0 ba 1d 04 00 00 48 c7 c6 f8 47 38 a0 48 c7 c7 30 48 38 a0 31 c0 e8 0c 52 34 e1 e8 45 39 34 e1 <0f> 0b 66 0f 1f 84 00 00 00 00 00 41 80 7c 24 39 00 0f 89 da 01
Oct 18 11:07:31 server1 kernel: [169886.432346] RIP [<ffffffffa0379785>] cmnd_rx_start+0x6e5/0xac0 [iscsi_trgt]
Oct 18 11:07:31 server1 kernel: [169886.432822] RSP <ffff880055969d10>
Oct 18 11:07:31 server1 kernel: [169886.436934] ---[ end trace 872fbfc05e71d6de ]---
Oct 18 11:07:31 server1 kernel: [169886.417782] Pid: 19139, comm: istd5 Tainted: GF W O 3.8.0-19-generic #30-Ubuntu
Oct 18 11:07:31 server1 kernel: [169886.417784] Call Trace:
Oct 18 11:07:31 server1 kernel: [169886.417794] [<ffffffffa0379785>] cmnd_rx_start+0x6e5/0xac0 [iscsi_trgt]
Oct 18 11:07:31 server1 kernel: [169886.417801] [<ffffffffa037a5d1>] istd+0x2f1/0x1390 [iscsi_trgt]
Oct 18 11:07:31 server1 kernel: [169886.417807] [<ffffffff810953ae>] ? dequeue_entity+0x13e/0x4b0
Oct 18 11:07:31 server1 kernel: [169886.417812] [<ffffffff8108c9dc>] ? ttwu_do_wakeup+0x2c/0xe0
Oct 18 11:07:31 server1 kernel: [169886.417818] [<ffffffff816c9916>] ? __schedule+0x3c6/0x7a0
Oct 18 11:07:31 server1 kernel: [169886.417824] [<ffffffffa037a2e0>] ? nthread_wakeup+0x50/0x50 [iscsi_trgt]
Oct 18 11:07:31 server1 kernel: [169886.417827] [<ffffffff8107d300>] kthread+0xc0/0xd0
Oct 18 11:07:31 server1 kernel: [169886.417831] [<ffffffff8107d240>] ? kthread_create_on_node+0x120/0x120
Oct 18 11:07:31 server1 kernel: [169886.417835] [<ffffffff816d372c>] ret_from_fork+0x7c/0xb0
Oct 18 11:07:31 server1 kernel: [169886.417838] [<ffffffff8107d240>] ? kthread_create_on_node+0x120/0x120
Oct 18 11:07:31 server1 kernel: [169886.417859] ------------[ cut here ]------------
Oct 18 11:07:31 server1 kernel: [169886.418149] Kernel BUG at ffffffffa0379785 [verbose debug info unavailable]
Oct 18 11:07:31 server1 kernel: [169886.418438] invalid opcode: 0000 [#1] SMP
Oct 18 11:07:31 server1 kernel: [169886.418734] Modules linked in: iscsi_trgt(OF) ip6table_filter(F) ip6_tables(F) iptable_filter(F) ip_tables(F) ebtable_nat(F) ebtables(F) x_tables(F) rfcomm bnep bluetooth coretemp kvm_intel kvm ghash_clmulni_intel(F) aesni_intel(F) aes_x86_64(F) xts(F) lrw(F) gf128mul(F) ablk_helper(F) cryptd(F) snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep(F) snd_pcm(F) snd_page_alloc(F) snd_seq_midi(F) snd_seq_midi_event(F) snd_rawmidi(F) snd_seq(F) nouveau snd_seq_device(F) snd_timer(F) snd(F) mxm_wmi ttm video(F) wmi drm_kms_helper drm i2c_algo_bit mac_hid bonding(F) mei lpc_ich soundcore(F) lp(F) parport(F) serio_raw(F) microcode(F) btrfs(F) zlib_deflate(F) libcrc32c(F) tg3 ptp r8169 pps_core ahci(F) libahci(F) [last unloaded: iscsi_trgt]
Oct 18 11:07:31 server1 kernel: [169886.420159] CPU 0
Oct 18 11:07:31 server1 kernel: [169886.420165] Pid: 19139, comm: istd5 Tainted: GF W O 3.8.0-19-generic #30-Ubuntu To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Professional-M
Oct 18 11:07:31 server1 kernel: [169886.420866] RIP: 0010:[<ffffffffa0379785>] [<ffffffffa0379785>] cmnd_rx_start+0x6e5/0xac0 [iscsi_trgt]
Oct 18 11:07:31 server1 kernel: [169886.421238] RSP: 0018:ffff880055969d10 EFLAGS: 00010286
Oct 18 11:07:31 server1 kernel: [169886.421604] RAX: ffff8800559e3c50 RBX: ffff8803f84bc000 RCX: 0000000000000001
Oct 18 11:07:31 server1 kernel: [169886.421975] RDX: 000000000000a559 RSI: 0000000000000086 RDI: ffffffff81c15347
Oct 18 11:07:31 server1 kernel: [169886.422353] RBP: ffff880055969d70 R08: ffffffffa038601c R09: 0000000000000000
Oct 18 11:07:31 server1 kernel: [169886.422732] R10: 0000000000019e50 R11: 0000000000000002 R12: ffff88024deb8618
Oct 18 11:07:31 server1 kernel: [169886.423114] R13: ffff8803f84be000 R14: 0000000000000000 R15: ffff8803f84be000
Oct 18 11:07:31 server1 kernel: [169886.423500] FS: 0000000000000000(0000) GS:ffff88041ec00000(0000) knlGS:0000000000000000
Oct 18 11:07:31 server1 kernel: [169886.423893] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Oct 18 11:07:31 server1 kernel: [169886.424286] CR2: 00007f0784ef248f CR3: 0000000001c0d000 CR4: 00000000001407f0
Oct 18 11:07:31 server1 kernel: [169886.424683] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Oct 18 11:07:31 server1 kernel: [169886.425084] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Oct 18 11:07:31 server1 kernel: [169886.425489] Process istd5 (pid: 19139, threadinfo ffff880055968000, task ffff880093ec2e80)
Oct 18 11:07:31 server1 kernel: [169886.425897] Stack:
Oct 18 11:07:31 server1 kernel: [169886.426305] ffff880055969fd8 ffff880055969fd8 ffff880055969fd8 ffffffff81c15440
Oct 18 11:07:31 server1 kernel: [169886.426728] ffff880093ec2e80 0000000057419400 0000000000000400 0000000000000000
Oct 18 11:07:31 server1 kernel: [169886.427150] 0000000000000001 0000000000000030 ffff88024deb8618 ffff8803f84be000
Oct 18 11:07:31 server1 kernel: [169886.427573] Call Trace:
Oct 18 11:07:31 server1 kernel: [169886.427997] [<ffffffffa037a5d1>] istd+0x2f1/0x1390 [iscsi_trgt]
Oct 18 11:07:31 server1 kernel: [169886.428423] [<ffffffff810953ae>] ? dequeue_entity+0x13e/0x4b0
Oct 18 11:07:31 server1 kernel: [169886.428844] [<ffffffff8108c9dc>] ? ttwu_do_wakeup+0x2c/0xe0
Oct 18 11:07:31 server1 kernel: [169886.429265] [<ffffffff816c9916>] ? __schedule+0x3c6/0x7a0
Oct 18 11:07:31 server1 kernel: [169886.429688] [<ffffffffa037a2e0>] ? nthread_wakeup+0x50/0x50 [iscsi_trgt]
Oct 18 11:07:31 server1 kernel: [169886.430113] [<ffffffff8107d300>] kthread+0xc0/0xd0
Oct 18 11:07:31 server1 kernel: [169886.430533] [<ffffffff8107d240>] ? kthread_create_on_node+0x120/0x120
Oct 18 11:07:31 server1 kernel: [169886.430954] [<ffffffff816d372c>] ret_from_fork+0x7c/0xb0
Oct 18 11:07:31 server1 kernel: [169886.431376] [<ffffffff8107d240>] ? kthread_create_on_node+0x120/0x120
Oct 18 11:07:31 server1 kernel: [169886.431800] Code: 89 85 fa ff ff 48 c7 c1 1c 60 38 a0 ba 1d 04 00 00 48 c7 c6 f8 47 38 a0 48 c7 c7 30 48 38 a0 31 c0 e8 0c 52 34 e1 e8 45 39 34 e1 <0f> 0b 66 0f 1f 84 00 00 00 00 00 41 80 7c 24 39 00 0f 89 da 01
Oct 18 11:07:31 server1 kernel: [169886.432346] RIP [<ffffffffa0379785>] cmnd_rx_start+0x6e5/0xac0 [iscsi_trgt]
Oct 18 11:07:31 server1 kernel: [169886.432822] RSP <ffff880055969d10>
Oct 18 11:07:31 server1 kernel: [169886.436934] ---[ end trace 872fbfc05e71d6de ]---
============================================================================================================
우분투 서버에서 iscsi 로 연결된 클라이언트(win7)가 멈추면서 서버 syslog 에서는 위와같은 메세지가 나옵니다.
서버에서도 service iscsitarget restart 를 하게되면 stop이 안됩니다...
결국은 서버를 재 부팅해야 됩니다..
자주 이렇게 버그가 있습니다..
무엇이 문제인지 아시는분 댓글 부탁드립니다.^^
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