Thanks for th update louis, I'm a bit busy until next Tuesday but I will test this in our configuration.
Does that multipath-tools stop have the same effect as the lvchange -an command I was using to ensure that there were no active paths preventing multipath -F from completing successfully? Stephen On 18 October 2012 09:58, sles <[email protected]> wrote: > OK, I added this > > #sort of workaround > /usr/sbin/invoke-rc.d multipath-tools stop > /sbin/multipath -F > > to stop section in open-iscsi > and > /sbin/multipath -F > > to multipath-tools after daemon stop. > > tested on one of two servers, reboot is OK :-) > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1056746 > > Title: > kernel panic on iscsi target disconnect > > Status in “linux” package in Ubuntu: > Confirmed > > Bug description: > Hello! > > Just rebooted two identical Ubuntu 12.04.1 LTS servers to set linux- > image-3.2.0-31-generic > > And got the same panic on both. Don't think it is fixed in -31. > > Servers are connected to IBM3512 over iscsi with multipath rdac and > ocfs2. > Here is log from one of servers: > > > > Sep 26 13:13:17 inetgw1 kernel: [1292980.531921] o2dlm: Leaving domain > 68166ECC9E2A48208239B14D8218F0DA > Sep 26 13:13:18 inetgw1 kernel: [1292981.054231] o2net: No longer > connected to node inetgw2 (num 1) at 192.168.19.254:7777 > Sep 26 13:13:18 inetgw1 kernel: [1292981.055378] ocfs2: Unmounting > device (252,6) on (node 0) > Sep 26 13:13:20 inetgw1 kernel: [1292982.774884] ocfs2: Unregistered > cluster interface o2cb > Sep 26 13:13:24 inetgw1 kernel: [1292987.277805] sd 5:0:0:0: rdac: > Detached > Sep 26 13:13:24 inetgw1 kernel: [1292987.277882] sd 6:0:0:0: rdac: > Detached > Sep 26 13:13:24 inetgw1 kernel: [1292987.279549] sd 5:0:0:0: [sdb] > Synchronizing SCSI cache > Sep 26 13:13:24 inetgw1 kernel: [1292987.279808] sd 6:0:0:0: [sdc] > Synchronizing SCSI cache > Sep 26 13:13:26 inetgw1 kernel: [1292988.817740] sd 5:0:0:0: [sdb] > Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE > Sep 26 13:13:26 inetgw1 kernel: [1292988.817746] sd 5:0:0:0: [sdb] > Sense Key : Illegal Request [current] > Sep 26 13:13:26 inetgw1 kernel: [1292988.817750] sd 5:0:0:0: [sdb] > <<vendor>> ASC=0x94 ASCQ=0x1ASC=0x94 ASCQ=0x1 > > Sep 26 13:13:54 inetgw1 kernel: [1293013.970176] Modules linked in: > btrfs zlib_deflate ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs xfs > reiserfs ext2 ip_vs libcrc32c scsi_dh_rdac xt_conntrack nf_conntrack_ftp > xt_NOTRACK iptable_raw xt_mark iptable_mangle iptable_nat nf_nat nf_c > onntrack_ipv4 nf_conntrack nf_defrag_ipv4 ts_bm xt_string ipt_REJECT > xt_tcpudp iptable_filter ip_tables x_tables ib_iser rdma_cm ib_cm iw_cm i > b_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi > scsi_transport_iscsi vesafb dm_round_robin 8021q garp stp ioatdma psmouse > dca seri > o_raw dm_multipath joydev i7core_edac edac_core mac_hid lp parport > usbhid hid megaraid_sas e1000e [last unloaded: configfs] > Sep 26 13:13:54 inetgw1 kernel: [1293013.970234] CPU 0 > Sep 26 13:13:54 inetgw1 kernel: [1293013.970236] Modules linked in: > btrfs zlib_deflate ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs xfs > reiserfs ext2 ip_vs libcrc32c scsi_dh_rdac xt_conntrack nf_conntrack_ftp > xt_NOTRACK iptable_raw xt_mark iptable_mangle iptable_nat nf_nat nf_c > onntrack_ipv4 nf_conntrack nf_defrag_ipv4 ts_bm xt_string ipt_REJECT > xt_tcpudp iptable_filter ip_tables x_tables ib_iser rdma_cm ib_cm iw_cm i > b_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi > scsi_transport_iscsi vesafb dm_round_robin 8021q garp stp ioatdma psmouse > dca seri > o_raw dm_multipath joydev i7core_edac edac_core mac_hid lp parport > usbhid hid megaraid_sas e1000e [last unloaded: configfs] > Sep 26 13:13:54 inetgw1 kernel: [1293013.970283] > Sep 26 13:13:54 inetgw1 kernel: [1293013.970286] Pid: 30450, comm: > kworker/u:2 Not tainted 3.2.0-30-generic #48-Ubuntu DEPO Computers X8STi/X8 > STi > Sep 26 13:13:54 inetgw1 kernel: [1293013.970292] RIP: > 0010:[<ffffffff8165a629>] [<ffffffff8165a629>] > _raw_spin_unlock_irqrestore+0x19/0x30 > Sep 26 13:13:54 inetgw1 kernel: [1293013.970301] RSP: > 0018:ffff880113bf1d68 EFLAGS: 00000286 > Sep 26 13:13:54 inetgw1 kernel: [1293013.970303] RAX: 0000000000000286 > RBX: 0000000000000010 RCX: 0000000000000010 > Sep 26 13:13:54 inetgw1 kernel: [1293013.970306] RDX: ffff880309c47418 > RSI: 0000000000000286 RDI: 0000000000000286 > Sep 26 13:13:54 inetgw1 kernel: [1293013.970309] RBP: ffff880113bf1d70 > R08: ffffffff81cddaa0 R09: 0000000000000100 > Sep 26 13:13:54 inetgw1 kernel: [1293013.970312] R10: 0000000000000010 > R11: 0000000000000000 R12: ffff880306fb92a0 > Sep 26 13:13:54 inetgw1 kernel: [1293013.970314] R13: ffff880113bf1d70 > R14: ffff880306fb9294 R15: ffff880306fb8eb0 > Sep 26 13:13:54 inetgw1 kernel: [1293013.970318] FS: > 0000000000000000(0000) GS:ffff88031fc00000(0000) knlGS:0000000000000000 > Sep 26 13:13:54 inetgw1 kernel: [1293013.970321] CS: 0010 DS: 0000 ES: > 0000 CR0: 000000008005003b > Sep 26 13:13:54 inetgw1 kernel: [1293013.970323] CR2: 00007fc2c6b46000 > CR3: 0000000001c05000 CR4: 00000000000006f0 > Sep 26 13:13:54 inetgw1 kernel: [1293013.970326] DR0: 0000000000000000 > DR1: 0000000000000000 DR2: 0000000000000000 > Sep 26 13:13:54 inetgw1 kernel: [1293013.970329] DR3: 0000000000000000 > DR6: 00000000ffff0ff0 DR7: 0000000000000400 > Sep 26 13:13:54 inetgw1 kernel: [1293013.970332] Process kworker/u:2 > (pid: 30450, threadinfo ffff880113bf0000, task ffff8802b88f4500) > Sep 26 13:13:54 inetgw1 kernel: [1293013.978403] ffff880309c47400 > ffff880113bf1da0 ffffffff8142d1e7 ffff880305c64930 > Sep 26 13:13:54 inetgw1 kernel: [1293013.978412] ffff880305c64930 > ffff88030ac0b010 ffff88030ac0b000 ffff880113bf1dd0 > Sep 26 13:13:54 inetgw1 kernel: [1293013.978419] ffffffff8142f3c9 > ffff880305c64930 ffff880305c64800 ffff880305c64818 > Sep 26 13:13:54 inetgw1 kernel: [1293013.986383] [<ffffffff8142d1e7>] > scsi_target_reap+0x77/0xf0 > Sep 26 13:13:54 inetgw1 kernel: [1293013.986389] [<ffffffff8142f3c9>] > scsi_remove_target+0xc9/0xe0 > Sep 26 13:13:54 inetgw1 kernel: [1293013.986404] [<ffffffffa00f9fec>] > __iscsi_unbind_session+0xbc/0x190 [scsi_transport_iscsi] > Sep 26 13:13:54 inetgw1 kernel: [1293013.986413] [<ffffffff81084a6a>] > process_one_work+0x11a/0x480 > Sep 26 13:13:54 inetgw1 kernel: [1293013.986423] [<ffffffff81085814>] > worker_thread+0x164/0x370 > Sep 26 13:13:54 inetgw1 kernel: [1293013.986428] [<ffffffff810856b0>] ? > manage_workers.isra.30+0x130/0x130 > Sep 26 13:13:54 inetgw1 kernel: [1293013.986432] [<ffffffff8108a03c>] > kthread+0x8c/0xa0 > Sep 26 13:13:54 inetgw1 kernel: [1293013.986438] [<ffffffff81664b74>] > kernel_thread_helper+0x4/0x10 > Sep 26 13:13:54 inetgw1 kernel: [1293013.986442] [<ffffffff81089fb0>] ? > flush_kthread_worker+0xa0/0xa0 > Sep 26 13:13:54 inetgw1 kernel: [1293013.986447] [<ffffffff81664b70>] ? > gs_change+0x13/0x13 > Sep 26 13:13:54 inetgw1 kernel: [1293014.010878] Call Trace: > Sep 26 13:13:54 inetgw1 kernel: [1293014.010884] [<ffffffff8142d1e7>] > scsi_target_reap+0x77/0xf0 > Sep 26 13:13:54 inetgw1 kernel: [1293014.010888] [<ffffffff8142f3c9>] > scsi_remove_target+0xc9/0xe0 > Sep 26 13:13:54 inetgw1 kernel: [1293014.010897] [<ffffffffa00f9fec>] > __iscsi_unbind_session+0xbc/0x190 [scsi_transport_iscsi] > Sep 26 13:13:54 inetgw1 kernel: [1293014.010902] [<ffffffff81084a6a>] > process_one_work+0x11a/0x480 > Sep 26 13:13:54 inetgw1 kernel: [1293014.010906] [<ffffffff81085814>] > worker_thread+0x164/0x370 > Sep 26 13:13:54 inetgw1 kernel: [1293014.010911] [<ffffffff810856b0>] ? > manage_workers.isra.30+0x130/0x130 > Sep 26 13:13:54 inetgw1 kernel: [1293014.010915] [<ffffffff8108a03c>] > kthread+0x8c/0xa0 > Sep 26 13:13:54 inetgw1 kernel: [1293014.010919] [<ffffffff81664b74>] > kernel_thread_helper+0x4/0x10 > Sep 26 13:13:54 inetgw1 kernel: [1293014.010923] [<ffffffff81089fb0>] ? > flush_kthread_worker+0xa0/0xa0 > Sep 26 13:13:54 inetgw1 kernel: [1293014.010927] [<ffffffff81664b70>] ? > gs_change+0x13/0x13 > Sep 26 13:13:54 inetgw1 kernel: [1293014.054272] Modules linked in: > btrfs zlib_deflate ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs xfs > reiserfs ext2 ip_vs libcrc32c scsi_dh_rdac xt_conntrack nf_conntrack_ftp > xt_NOTRACK iptable_raw xt_mark iptable_mangle iptable_nat nf_nat nf_c > onntrack_ipv4 nf_conntrack nf_defrag_ipv4 ts_bm xt_string ipt_REJECT > xt_tcpudp iptable_filter ip_tables x_tables ib_iser rdma_cm ib_cm iw_cm i > b_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi > scsi_transport_iscsi vesafb dm_round_robin 8021q garp stp ioatdma psmouse > dca seri > o_raw dm_multipath joydev i7core_edac edac_core mac_hid lp parport > usbhid hid megaraid_sas e1000e [last unloaded: configfs] > > > server console was not available at this time , ssh too, although I can > ping server, so I had to reset both servers. > > There was no such problem with -29 kernel... > > Thank you! > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1056746/+subscriptions > > -- * Stephen Buckley Senior Systems Administrator Hogarth Worldwide Limited Direct: +44 207 420 8360 Mobile: +44 789 4788351 www.hogarthww.com* -- ------------------------------ This email contains information from Hogarth Worldwide Limited which may be privileged or confidential. 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