FastNetMon

четверг, 21 мая 2015 г.

kernel BUG at /var/lib/dkms/iscsitarget/1.4.20.2/build/kernel/iscsi.c:392!

Выбили вот такой мерзопакостный баг на Debian 7 попытавшись с машины,
где примонтирован LUN сделать smartctl -all:  
[184269.064497] device eth3 left promiscuous mode
[186412.825825] iscsi_trgt: BUG at /var/lib/dkms/iscsitarget/1.4.20.2/build/kernel/iscsi.c:392 assert(req->tio)
[186412.825876] Pid: 2488, comm: istiod2 Tainted: G O 3.2.0-4-amd64 #1 Debian 3.2.54-2
[186412.825879] Call Trace:
[186412.825888] [<ffffffffa01cd3f1>] ? send_data_rsp+0x45/0x1f4 [iscsi_trgt]
[186412.825893] [<ffffffffa01d60df>] ? ua_pending+0x19/0xa5 [iscsi_trgt]
[186412.825898] [<ffffffffa01d4db4>] ? disk_execute_cmnd+0x1cf/0x22d [iscsi_trgt]
[186412.825903] [<ffffffffa01d0a3d>] ? worker_thread+0xfd/0x255 [iscsi_trgt]
[186412.825908] [<ffffffff8103f6ba>] ? try_to_wake_up+0x197/0x197
[186412.825912] [<ffffffffa01d0940>] ? nthread_stop+0x35/0x35 [iscsi_trgt]
[186412.825947] [<ffffffff8105f681>] ? kthread+0x76/0x7e
[186412.825956] [<ffffffff81356ef4>] ? kernel_thread_helper+0x4/0x10
[186412.825963] [<ffffffff8105f60b>] ? kthread_worker_fn+0x139/0x139
[186412.825971] [<ffffffff81356ef0>] ? gs_change+0x13/0x13
[186412.825995] ------------[ cut here ]------------
[186412.826011] kernel BUG at /var/lib/dkms/iscsitarget/1.4.20.2/build/kernel/iscsi.c:392!
[186412.826072] invalid opcode: 0000 [#1] SMP
[186412.826130] CPU 1
[186412.826138] Modules linked in: iscsi_trgt(O) crc32c loop snd_pcm coretemp snd_page_alloc crc32c_intel ghash_clmulni_intel aesni_intel snd_timer aes_x86_64 acpi_cpufreq mperf aes_generic sb_edac snd processor i2c_i801 iTCO_wdt ioatdma soundcore iTCO_vendor_support cryptd edac_core joydev i2c_core thermal_sys pcspkr evdev wmi container button ext3 mbcache jbd usbhid hid sg sd_mod crc_t10dif ehci_hcd ahci libahci libata usbcore igb dca usb_common megaraid_sas scsi_mod [last unloaded: scsi_wait_scan]
[186412.826712]
[186412.826749] Pid: 2488, comm: istiod2 Tainted: G O 3.2.0-4-amd64 #1 Debian 3.2.54-2 Intel Corporation S2600CP/S2600CP
[186412.826857] RIP: 0010:[<ffffffffa01cd3f1>] [<ffffffffa01cd3f1>] send_data_rsp+0x45/0x1f4 [iscsi_trgt]
[186412.826948] RSP: 0018:ffff88022a547e10 EFLAGS: 00010286
[186412.826997] RAX: 0000000000000000 RBX: ffff8802216b1ae0 RCX: 0000000000001d05
[186412.827079] RDX: 0000000000001d05 RSI: ffff88022a547f58 RDI: ffff88022a547f58
[186412.827160] RBP: 0000000000000000 R08: 0000000000000002 R09: 00000000fffffffe
[186412.827242] R10: 0000000000000000 R11: 0000000000000002 R12: ffff880230281160
[186412.827323] R13: ffff880071534000 R14: ffff88022d5dde58 R15: ffff88022d5dde68
[186412.827405] FS: 0000000000000000(0000) GS:ffff880235820000(0000) knlGS:0000000000000000
[186412.827490] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[186412.827541] CR2: 00007fff65423ba8 CR3: 0000000001605000 CR4: 00000000000406e0
[186412.827623] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[186412.827705] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[186412.827787] Process istiod2 (pid: 2488, threadinfo ffff88022a546000, task ffff880230281160)
[186412.827871] Stack:
[186412.827908] ffff880200000000 ffff88023421c0c0 0000000000013780 ffffffffa01d60df
[186412.828005] ffff88022a547fd8 ffff8802216b1ae0 ffff880230281160 ffff880230281160
[186412.828102] ffff880071534000 ffff88022d5dde58 ffff88022d5dde68 ffffffffa01d4db4
[186412.828198] Call Trace:
[186412.828241] [<ffffffffa01d60df>] ? ua_pending+0x19/0xa5 [iscsi_trgt]
[186412.828298] [<ffffffffa01d4db4>] ? disk_execute_cmnd+0x1cf/0x22d [iscsi_trgt]
[186412.828382] [<ffffffffa01d0a3d>] ? worker_thread+0xfd/0x255 [iscsi_trgt]
[186412.828437] [<ffffffff8103f6ba>] ? try_to_wake_up+0x197/0x197
[186412.828491] [<ffffffffa01d0940>] ? nthread_stop+0x35/0x35 [iscsi_trgt]
[186412.828546] [<ffffffff8105f681>] ? kthread+0x76/0x7e
[186412.828596] [<ffffffff81356ef4>] ? kernel_thread_helper+0x4/0x10
[186412.828650] [<ffffffff8105f60b>] ? kthread_worker_fn+0x139/0x139
[186412.828703] [<ffffffff81356ef0>] ? gs_change+0x13/0x13
[186412.828752] Code: 48 85 ed 75 28 48 c7 c1 38 7d 1d a0 ba 88 01 00 00 48 c7 c6 a7 79 1d a0 48 c7 c7 df 79 1d a0 31 c0 e8 5c c1 17 e1 e8 8b a6 17 e1 <0f> 0b 48 89 df e8 d0 fa ff ff 8b 55 14 39 d0 0f 46 d0 85 d2 0f
[186412.829173] RIP [<ffffffffa01cd3f1>] send_data_rsp+0x45/0x1f4 [iscsi_trgt]
[186412.829232] RSP <ffff88022a547e10>
[186412.829825] ---[ end trace e43aba698581fccf ]---
[186413.508062] general protection fault: 0000 [#2] SMP
[186413.508324] CPU 0
[186413.508403] Modules linked in: iscsi_trgt(O) crc32c loop snd_pcm coretemp snd_page_alloc crc32c_intel ghash_clmulni_intel aesni_intel snd_timer aes_x86_64 acpi_cpufreq mperf aes_generic sb_edac snd processor i2c_i801 iTCO_wdt ioatdma soundcore iTCO_vendor_support cryptd edac_core joydev i2c_core thermal_sys pcspkr evdev wmi container button ext3 mbcache jbd usbhid hid sg sd_mod crc_t10dif ehci_hcd ahci libahci libata usbcore igb dca usb_common megaraid_sas scsi_mod [last unloaded: scsi_wait_scan]
[186413.512625]
[186413.512730] Pid: 2486, comm: istd2 Tainted: G D O 3.2.0-4-amd64 #1 Debian 3.2.54-2 Intel Corporation S2600CP/S2600CP
[186413.513108] RIP: 0010:[<ffffffff81036280>] [<ffffffff81036280>] __wake_up_common+0x3d/0x77
[186413.513336] RSP: 0018:ffff88022ab73ce0 EFLAGS: 00010083
[186413.513451] RAX: ffff88022a547e90 RBX: 0000000000000001 RCX: 0000000000000000
[186413.513599] RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff88022a547e90
[186413.513746] RBP: 0000000000000003 R08: 0000000000000000 R09: ffffffff81406060
[186413.513894] R10: 0000000000013780 R11: 0000000000003428 R12: ffffffffffffffe8
[186413.514042] R13: 0000000005010500 R14: 0000000000000000 R15: ffff88022d5dde70
[186413.514191] FS: 0000000000000000(0000) GS:ffff880235800000(0000) knlGS:0000000000000000
[186413.514342] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[186413.514459] CR2: 00007f7bd8ca9594 CR3: 0000000001605000 CR4: 00000000000406f0
[186413.514607] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[186413.514755] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[186413.514903] Process istd2 (pid: 2486, threadinfo ffff88022ab72000, task ffff88022b5b6ea0)
[186413.515053] Stack:
[186413.515157] 00000000000008d0 0000000000000000 0000000000000246 ffff88022d5dde68
[186413.515593] 0000000000000286 000000000000dba9 000000000000dbaa ffff880135ee0098
[186413.516028] 0000000000000001 ffffffff81037f81 0000000000000009 0000000000000000
[186413.516464] Call Trace:
[186413.516573] [<ffffffff81037f81>] ? __wake_up+0x35/0x46
[186413.516693] [<ffffffffa01ce20c>] ? iscsi_session_push_cmnd+0x1ba/0x24f [iscsi_trgt]
[186413.516845] [<ffffffffa01cfcca>] ? istd+0x500/0x101e [iscsi_trgt]
[186413.516966] [<ffffffff812ddf60>] ? inet_dgram_connect+0x72/0x72
[186413.517087] [<ffffffff8134ea11>] ? __schedule+0x5f9/0x610
[186413.517205] [<ffffffffa01cf7ca>] ? nthread_wakeup+0x2c/0x2c [iscsi_trgt]
[186413.517328] [<ffffffff8105f681>] ? kthread+0x76/0x7e
[186413.517446] [<ffffffff81356ef4>] ? kernel_thread_helper+0x4/0x10
[186413.517566] [<ffffffff8105f60b>] ? kthread_worker_fn+0x139/0x139
[186413.517685] [<ffffffff81356ef0>] ? gs_change+0x13/0x13
[186413.517800] Code: 53 89 d3 48 83 ec 18 48 8b 57 08 4c 8b 22 48 8d 42 e8 49 83 ec 18 eb 35 44 8b 28 4c 89 c1 4c 89 44 24 08 44 89 f2 89 ee 48 89 c7 <ff> 50 10 85 c0 4c 8b 44 24 08 74 0a 41 80 e5 01 74 04 ff cb 74
[186413.522659] RIP [<ffffffff81036280>] __wake_up_common+0x3d/0x77
[186413.522849] RSP <ffff88022ab73ce0>
[186413.522959] ---[ end trace e43aba698581fcd0 ]---

Как починить:  https://www.vaspects.com/2013/11/01/esxi-5-5-crashes-linux-iscsi_trgt/ коротко - обновляйтесь версию айскази модуля на ту, что поставляется в сорцах либо переходите на Jessie :)

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