The same issue happens for me with the linux-image-server: Dec 7 12:04:24 node1 multipathd: sdc: remove path (uevent) Dec 7 12:04:24 node1 kernel: [65815.457105] sd 1:0:0:1: [sdc] Synchronizing SCSI cache Dec 7 12:04:24 node1 kernel: [65815.458094] sd 1:0:0:1: [sdc] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE Dec 7 12:04:24 node1 kernel: [65815.458101] sd 1:0:0:1: [sdc] Sense Key : Illegal Request [current] Dec 7 12:04:24 node1 kernel: [65815.458106] sd 1:0:0:1: [sdc] Add. Sense: Logical unit not supported Dec 7 12:04:48 node1 kernel: [65839.483571] BUG: soft lockup - CPU#10 stuck for 22s! [kworker/u:1:8014] Dec 7 12:04:48 node1 kernel: [65839.486057] Modules linked in: dm_snapshot ipt_LOG ip6table_filter ip6_tables ebtable_nat ebtables ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp iptable_filter ip_tables x_tables kvm_intel kvm ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi vesafb xfs joydev i7core_edac edac_core ioatdma bridge stp tpm_tis mac_hid lp parport dm_round_robin usbhid hid mptsas mptscsih mptbase igb scsi_transport_sas dca dm_multipath [last unloaded: scsi_wait_scan] Dec 7 12:04:48 node1 kernel: [65839.486109] CPU 10 Dec 7 12:04:48 node1 kernel: [65839.486110] Modules linked in: dm_snapshot ipt_LOG ip6table_filter ip6_tables ebtable_nat ebtables ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp iptable_filter ip_tables x_tables kvm_intel kvm ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi vesafb xfs joydev i7core_edac edac_core ioatdma bridge stp tpm_tis mac_hid lp parport dm_round_robin usbhid hid mptsas mptscsih mptbase igb scsi_transport_sas dca dm_multipath [last unloaded: scsi_wait_scan] Dec 7 12:04:48 node1 kernel: [65839.486151] Dec 7 12:04:48 node1 kernel: [65839.486154] Pid: 8014, comm: kworker/u:1 Not tainted 3.2.0-32-generic #51-Ubuntu INTEL MFS5520VI Compute Module/MFS5520VI Compute Module Dec 7 12:04:48 node1 kernel: [65839.486160] RIP: 0010:[<ffffffff8165b049>] [<ffffffff8165b049>] _raw_spin_unlock_irqrestore+0x19/0x30 Dec 7 12:04:48 node1 kernel: [65839.486170] RSP: 0018:ffff880c44a73d98 EFLAGS: 00000286 Dec 7 12:04:48 node1 kernel: [65839.486172] RAX: 0000000000000286 RBX: 0000000000000018 RCX: 0000000000000018 Dec 7 12:04:48 node1 kernel: [65839.486175] RDX: ffff8806433e0408 RSI: 0000000000000286 RDI: 0000000000000286 Dec 7 12:04:48 node1 kernel: [65839.486178] RBP: ffff880c44a73da0 R08: ffffffff81cddaa0 R09: 0000000000000100 Dec 7 12:04:48 node1 kernel: [65839.486181] R10: 0000000000000018 R11: 0000000000000001 R12: ffffffff81cddaa0 Dec 7 12:04:48 node1 kernel: [65839.486183] R13: 0000000000000100 R14: 0000000000000018 R15: 0000000000000001 Dec 7 12:04:48 node1 kernel: [65839.486187] FS: 0000000000000000(0000) GS:ffff880657ca0000(0000) knlGS:0000000000000000 Dec 7 12:04:48 node1 kernel: [65839.486190] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Dec 7 12:04:48 node1 kernel: [65839.486193] CR2: 00007f84ebb226c0 CR3: 0000000001c05000 CR4: 00000000000006e0 Dec 7 12:04:48 node1 kernel: [65839.486196] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Dec 7 12:04:48 node1 kernel: [65839.486199] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Dec 7 12:04:48 node1 kernel: [65839.486202] Process kworker/u:1 (pid: 8014, threadinfo ffff880c44a72000, task ffff880c4620ae00) Dec 7 12:04:48 node1 kernel: [65839.486204] Stack: Dec 7 12:04:48 node1 kernel: [65839.488879] ffff880c4541a930 ffff880c44a73dd0 ffffffff8142f834 ffff880c4541a930 Dec 7 12:04:48 node1 kernel: [65839.488886] ffff880c4541a800 ffff880c4541a818 0000000000000000 ffff880c44a73e00 Dec 7 12:04:48 node1 kernel: [65839.488891] ffffffffa01ebfec ffff880c4541a880 ffff880c46033b00 ffff880644bf6c00 Dec 7 12:04:48 node1 kernel: [65839.488897] Call Trace: Dec 7 12:04:48 node1 kernel: [65839.491725] [<ffffffff8142f834>] scsi_remove_target+0xb4/0xe0 Dec 7 12:04:48 node1 kernel: [65839.491736] [<ffffffffa01ebfec>] __iscsi_unbind_session+0xbc/0x190 [scsi_transport_iscsi] Dec 7 12:04:48 node1 kernel: [65839.491743] [<ffffffff81084b1a>] process_one_work+0x11a/0x480 Dec 7 12:04:48 node1 kernel: [65839.491748] [<ffffffff810858c4>] worker_thread+0x164/0x370 Dec 7 12:04:48 node1 kernel: [65839.491753] [<ffffffff81085760>] ? manage_workers.isra.30+0x130/0x130 Dec 7 12:04:48 node1 kernel: [65839.491758] [<ffffffff8108a0dc>] kthread+0x8c/0xa0 Dec 7 12:04:48 node1 kernel: [65839.491764] [<ffffffff816655b4>] kernel_thread_helper+0x4/0x10 Dec 7 12:04:48 node1 kernel: [65839.491769] [<ffffffff8108a050>] ? flush_kthread_worker+0xa0/0xa0 Dec 7 12:04:48 node1 kernel: [65839.491773] [<ffffffff816655b0>] ? gs_change+0x13/0x13
This kernel is running here: root@node1:~# dpkg -s linux-image-server Package: linux-image-server Status: install ok installed Priority: optional Section: metapackages Installed-Size: 31 Maintainer: Ubuntu Kernel Team <[email protected]> Architecture: amd64 Source: linux-meta Version: 3.2.0.34.37 Depends: linux-image-3.2.0-34-generic, linux-firmware Description: Linux kernel image on Server Equipment. This package will always depend on the latest kernel image available for Server Equipment. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1056746 Title: kernel thread hang on iscsi target disconnect To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1056746/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
