From: Alex Moskalenko <mav@elserv.msk.su>
To: ALT Linux sysadmins' discussion <sysadmins@lists.altlinux.org>
Subject: Re: [Sysadmins] iSCSI target в ALTLinux
Date: Tue, 26 Jun 2012 15:30:07 +0400
Message-ID: <4FE99D3F.5000107@elserv.msk.su> (raw)
In-Reply-To: <m3k3yuqq2u.fsf@vvk.distance.ru>
26.06.2012 15:18, Vladimir V. Kamarzin пишет:
> AM> 2) Linux-iSCSI.org. Модули включены в ядрах 3.х, утилит для
> управления AM> (rtslib, targetcli и т.д) нет. Утилиты собираются с
> сайта AM> linux-iscsi.org, работают. Вот только при активной работе с
> iscsi AM> (загрузка 4 виртуалок с дисками на iscsi) ядро падает. Тоже
> хотел затестить, но ещё не добрался. sbolshakov@ кстати конфигурит это
> напрямую через sysfs. А так, у меня tgt на ubuntu, работает стабильно.
У меня попытки использования lio.org заканчиваются вот этим:
[ 328.731894] BUG: unable to handle kernel paging request at
ffff88003817e000
[ 328.732159] IP: [<ffffffff812634cb>] sg_next+0xb/0x30
[ 328.732309] PGD 180d067 PUD 1811067 PMD 1e1f067 PTE 0
[ 328.732562] Oops: 0000 [#1] SMP
[ 328.732744] CPU 0
[ 328.732783] Modules linked in: crc32c ib_srpt ib_cm ib_sa ib_mad
ib_core tcm_loop tcm_fc libfc scsi_transport_fc scsi_tgt
iscsi_target_mod target_core_pscsi target_core_file target_core_iblock
target_core_mod configfs xt_physdev iptable_filter ip_tables x_tables
aksparlnx(PO) ipmi_si bridge ipv6 stp bonding dm_multipath scsi_dh
dm_mod joydev usbhid hid vfat fat usb_storage usb_libusual rtc sr_mod
cdrom ata_generic pata_acpi uhci_hcd ehci_hcd i2c_i801 psmouse igb
i5k_amb ahci usbcore i5000_edac ata_piix libahci tg3 edac_core i2c_core
ppdev coretemp libata serio_raw hwmon evdev pcspkr parport_pc microcode
iTCO_wdt iTCO_vendor_support usb_common parport dca sg ses enclosure
container button processor ipmi_devintf ipmi_msghandler tun xenfs
xen_privcmd xen_blkback xen_netback xen_pciback xen_gntalloc xen_evtchn
xen_gntdev ext3 jbd mbcache sd_mod crc_t10dif aacraid scsi_mod [last
unloaded: iscsi_trgt]
[ 328.735674]
[ 328.735674] Pid: 9730, comm: iscsi_trx Tainted: PF O
3.4.3-std-def-alt1 #1 IBM IBM eServer x3400-[7976L2G]-/M97IP
[ 328.735674] RIP: e030:[<ffffffff812634cb>] [<ffffffff812634cb>]
sg_next+0xb/0x30
[ 328.735674] RSP: e02b:ffff880025ba9c20 EFLAGS: 00010246
[ 328.735674] RAX: 0000000000000000 RBX: ffff88002cd2e800 RCX:
0000000000040000
[ 328.735674] RDX: ffffea0000730430 RSI: ffff88002e5e6680 RDI:
ffff88003817dfe0
[ 328.735674] RBP: ffff880025ba9c20 R08: 0000000000000200 R09:
ffff88003817d800
[ 328.735674] R10: 0000000000000000 R11: 0000000000000040 R12:
ffff88003817dfe0
[ 328.735674] R13: 0000000000000040 R14: 0000000000001000 R15:
0000000000001000
[ 328.735674] FS: 00007f26d56db720(0000) GS:ffff88003fc00000(0000)
knlGS:0000000000000000
[ 328.735674] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 328.735674] CR2: ffff88003817e000 CR3: 000000002cf2c000 CR4:
0000000000002660
[ 328.735674] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 328.735674] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[ 328.735674] Process iscsi_trx (pid: 9730, threadinfo
ffff880025ba8000, task ffff880025ba6440)
[ 328.735674] Stack:
[ 328.735674] ffff880025ba9cc0 ffffffffa087bc42 ffff880000000040
000000013fc132c0
[ 328.735674] ffff880020cfe4e8 0000000239d84080 0000000200000200
ffff880020cfe2e8
[ 328.735674] 00000000000002c8 0000000025ba2400 ffff880020cfe434
0000000000000200
[ 328.735674] Call Trace:
[ 328.735674] [<ffffffffa087bc42>]
transport_allocate_data_tasks+0x1f2/0x350 [target_core_mod]
[ 328.735674] [<ffffffffa08802e8>]
transport_generic_new_cmd+0x198/0x4e0 [target_core_mod]
[ 328.735674] [<ffffffffa086fc82>] ?
core_scsi3_pr_reservation_check+0x52/0x100 [target_core_mod]
[ 328.735674] [<ffffffffa088067b>]
transport_handle_cdb_direct+0x4b/0xb0 [target_core_mod]
[ 328.735674] [<ffffffffa08cd60f>] iscsit_execute_cmd+0x26f/0x2c0
[iscsi_target_mod]
[ 328.735674] [<ffffffffa08d4412>] iscsit_sequence_cmd+0xa2/0x130
[iscsi_target_mod]
[ 328.735674] [<ffffffffa08d8a0f>] iscsi_target_rx_thread+0x9ef/0x2020
[iscsi_target_mod]
[ 328.735674] [<ffffffff810125c6>] ? __switch_to+0x156/0x410
[ 328.735674] [<ffffffffa08d8020>] ?
iscsit_thread_get_cpumask+0x90/0x90 [iscsi_target_mod]
[ 328.735674] [<ffffffffa08d8020>] ?
iscsit_thread_get_cpumask+0x90/0x90 [iscsi_target_mod]
[ 328.735674] [<ffffffff8106e396>] kthread+0x96/0xa0
[ 328.735674] [<ffffffff81455be4>] kernel_thread_helper+0x4/0x10
[ 328.735674] [<ffffffff8144cc38>] ? retint_restore_args+0x5/0x6
[ 328.735674] [<ffffffff81455be0>] ? gs_change+0x13/0x13
[ 328.735674] Code: 55 48 c7 c2 80 3a 26 81 be 80 00 00 00 48 89 e5 e8
6b ff ff ff c9 c3 66 0f 1f 84 00 00 00 00 00 31 c0 f6 07 02 55 48 89 e5
75 0d <48> 8b 57 20 48 8d 47 20 f6 c2 01 75 02 c9 c3 48 89 d0 c9 48 83
[ 328.735674] RIP [<ffffffff812634cb>] sg_next+0xb/0x30
[ 328.735674] RSP <ffff880025ba9c20>
[ 328.735674] CR2: ffff88003817e000
[ 328.735674] ---[ end trace c05d0c15786a73b5 ]---
Падение происходит при активном использовании таргета, с нескольких LUN
которого загружаются виртуалки на другом сервере. После этих сообщений
ядро в течение 30-60 секунд умирает окончательно.
--
WBR, Alex Moskalenko
prev parent reply other threads:[~2012-06-26 11:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-26 8:05 Alex Moskalenko
2012-06-26 9:59 ` Dubrovskiy Viacheslav
2012-06-26 11:18 ` Vladimir V. Kamarzin
2012-06-26 11:30 ` Alex Moskalenko [this message]
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