From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on sa.int.altlinux.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=AWL,BAYES_00 autolearn=ham version=3.2.5 X-Virus-Scanned: amavisd-new at elserv.ru Message-ID: <4FE99D3F.5000107@elserv.msk.su> Date: Tue, 26 Jun 2012 15:30:07 +0400 From: Alex Moskalenko User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.5) Gecko/20120621 Thunderbird/10.0.5 MIME-Version: 1.0 To: ALT Linux sysadmins' discussion References: <4FE96D43.60000@elserv.msk.su> In-Reply-To: Content-Type: text/plain; charset=KOI8-R; format=flowed Content-Transfer-Encoding: 8bit Subject: Re: [Sysadmins] =?koi8-r?b?aVNDU0kgdGFyZ2V0INcgQUxUTGludXg=?= X-BeenThere: sysadmins@lists.altlinux.org X-Mailman-Version: 2.1.12 Precedence: list Reply-To: ALT Linux sysadmins' discussion List-Id: ALT Linux sysadmins' discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Jun 2012 11:30:16 -0000 Archived-At: List-Archive: 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: [] 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:[] [] 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] [] transport_allocate_data_tasks+0x1f2/0x350 [target_core_mod] [ 328.735674] [] transport_generic_new_cmd+0x198/0x4e0 [target_core_mod] [ 328.735674] [] ? core_scsi3_pr_reservation_check+0x52/0x100 [target_core_mod] [ 328.735674] [] transport_handle_cdb_direct+0x4b/0xb0 [target_core_mod] [ 328.735674] [] iscsit_execute_cmd+0x26f/0x2c0 [iscsi_target_mod] [ 328.735674] [] iscsit_sequence_cmd+0xa2/0x130 [iscsi_target_mod] [ 328.735674] [] iscsi_target_rx_thread+0x9ef/0x2020 [iscsi_target_mod] [ 328.735674] [] ? __switch_to+0x156/0x410 [ 328.735674] [] ? iscsit_thread_get_cpumask+0x90/0x90 [iscsi_target_mod] [ 328.735674] [] ? iscsit_thread_get_cpumask+0x90/0x90 [iscsi_target_mod] [ 328.735674] [] kthread+0x96/0xa0 [ 328.735674] [] kernel_thread_helper+0x4/0x10 [ 328.735674] [] ? retint_restore_args+0x5/0x6 [ 328.735674] [] ? 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 [] sg_next+0xb/0x30 [ 328.735674] RSP [ 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