it doesn't get much better. Recent call trace with 3.0.0-19 from oneric backports
Jun 11 02:10:13 node2 kernel: [2387197.859644] ------------[ cut here ]------------ Jun 11 02:10:13 node2 kernel: [2387197.859653] WARNING: at /build/buildd/linux-lts-backport-oneiric-3.0.0/net/sched/sch_generic.c:255 dev_wat chdog+0x24d/0x260() Jun 11 02:10:13 node2 kernel: [2387197.859656] Hardware name: MS-7522 Jun 11 02:10:13 node2 kernel: [2387197.859658] NETDEV WATCHDOG: eth0 (r8169): transmit queue 0 timed out Jun 11 02:10:13 node2 kernel: [2387197.859660] Modules linked in: cls_u32 sch_sfq sch_htb xt_physdev xt_mac ip6table_filter ip6_tables ipt_MA SQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_tcpudp nouveau iptable_filter ip_tables x_ta bles kvm_intel kvm ib_iser speedstep_lib rdma_cm ttm ib_cm iw_cm ib_sa ib_mad ib_core drm_kms_helper ib_addr drm iscsi_tcp libiscsi_tcp psmou se libiscsi i2c_algo_bit scsi_transport_iscsi mxm_wmi wmi serio_raw i7core_edac edac_core lp parport video bridge stp multipath linear 3w_9xx x 3w_xxxx raid10 raid456 async_pq async_xor xor async_memcpy async_raid6_recov raid6_pq async_tx raid1 raid0 e1000 r8169 aacraid ahci libahci sata_nv sata_sil sata_via Jun 11 02:10:13 node2 kernel: [2387197.859708] Pid: 2285, comm: kvm Not tainted 3.0.0-19-server #33~lucid1-Ubuntu Jun 11 02:10:13 node2 kernel: [2387197.859710] Call Trace: Jun 11 02:10:13 node2 kernel: [2387197.859712] <IRQ> [<ffffffff81061ccf>] warn_slowpath_common+0x7f/0xc0 Jun 11 02:10:13 node2 kernel: [2387197.859720] [<ffffffff81061dc6>] warn_slowpath_fmt+0x46/0x50 Jun 11 02:10:13 node2 kernel: [2387197.859724] [<ffffffff81049e89>] ? sched_slice+0x59/0xa0 Jun 11 02:10:13 node2 kernel: [2387197.859728] [<ffffffff8152376d>] dev_watchdog+0x24d/0x260 Jun 11 02:10:13 node2 kernel: [2387197.859731] [<ffffffff81523520>] ? __netdev_watchdog_up+0x80/0x80 Jun 11 02:10:13 node2 kernel: [2387197.859735] [<ffffffff81071bd9>] call_timer_fn+0x49/0x130 Jun 11 02:10:13 node2 kernel: [2387197.859738] [<ffffffff81523520>] ? __netdev_watchdog_up+0x80/0x80 Jun 11 02:10:13 node2 kernel: [2387197.859741] [<ffffffff81071ff9>] run_timer_softirq+0x149/0x280 Jun 11 02:10:13 node2 kernel: [2387197.859745] [<ffffffff812fd9f0>] ? timerqueue_add+0x60/0xb0 Jun 11 02:10:13 node2 kernel: [2387197.859749] [<ffffffff8102911d>] ? lapic_next_event+0x1d/0x30 Jun 11 02:10:13 node2 kernel: [2387197.859753] [<ffffffff81068c0f>] __do_softirq+0xbf/0x200 Jun 11 02:10:13 node2 kernel: [2387197.859757] [<ffffffff81089167>] ? hrtimer_interrupt+0x127/0x210 Jun 11 02:10:13 node2 kernel: [2387197.859761] [<ffffffff8160e15c>] call_softirq+0x1c/0x30 Jun 11 02:10:13 node2 kernel: [2387197.859764] [<ffffffff8100d415>] do_softirq+0x65/0xa0 Jun 11 02:10:13 node2 kernel: [2387197.859767] [<ffffffff81068a0d>] irq_exit+0xbd/0xe0 Jun 11 02:10:13 node2 kernel: [2387197.859770] [<ffffffff8160ea9e>] smp_apic_timer_interrupt+0x6e/0x99 Jun 11 02:10:13 node2 kernel: [2387197.859772] [<ffffffff8160d913>] apic_timer_interrupt+0x13/0x20 Jun 11 02:10:13 node2 kernel: [2387197.859774] <EOI> [<ffffffffa02a1e97>] ? start_apic_timer+0x57/0x80 [kvm] Jun 11 02:10:13 node2 kernel: [2387197.859795] [<ffffffff8109c3e6>] ? generic_exec_single+0x86/0xb0 Jun 11 02:10:13 node2 kernel: [2387197.859798] [<ffffffff8109c3cd>] ? generic_exec_single+0x6d/0xb0 Jun 11 02:10:13 node2 kernel: [2387197.859802] [<ffffffffa02eb830>] ? vmcs_clear+0x50/0x50 [kvm_intel] Jun 11 02:10:13 node2 kernel: [2387197.859805] [<ffffffff8109c64a>] smp_call_function_single+0x14a/0x160 Jun 11 02:10:13 node2 kernel: [2387197.859816] [<ffffffffa02869c3>] ? emulator_write_emulated+0x93/0xb0 [kvm] Jun 11 02:10:13 node2 kernel: [2387197.859821] [<ffffffffa02eb830>] ? vmcs_clear+0x50/0x50 [kvm_intel] Jun 11 02:10:13 node2 kernel: [2387197.859825] [<ffffffffa02ec96a>] vmx_vcpu_load+0x17a/0x1a0 [kvm_intel] Jun 11 02:10:13 node2 kernel: [2387197.859828] [<ffffffff81053fd8>] ? update_cfs_shares+0x1b8/0x1c0 Jun 11 02:10:13 node2 kernel: [2387197.859839] [<ffffffffa02828f5>] kvm_arch_vcpu_load+0x45/0x150 [kvm] Jun 11 02:10:13 node2 kernel: [2387197.859843] [<ffffffffa02e91dc>] ? __vmx_load_host_state+0xec/0x110 [kvm_intel] Jun 11 02:10:13 node2 kernel: [2387197.859853] [<ffffffffa0273c62>] kvm_sched_in+0x12/0x20 [kvm] Jun 11 02:10:13 node2 kernel: [2387197.859856] [<ffffffff81054879>] finish_task_switch+0x89/0x100 Jun 11 02:10:13 node2 kernel: [2387197.859859] [<ffffffff816026f0>] __schedule+0x3f0/0x7f0 Jun 11 02:10:13 node2 kernel: [2387197.859863] [<ffffffffa02ea2b4>] ? vmx_set_rflags+0x44/0x50 [kvm_intel] Jun 11 02:10:13 node2 kernel: [2387197.859875] [<ffffffffa02a25b8>] ? kvm_apic_has_interrupt+0x48/0xd0 [kvm] Jun 11 02:10:13 node2 kernel: [2387197.859878] [<ffffffff81602bcf>] schedule+0x3f/0x60 Jun 11 02:10:13 node2 kernel: [2387197.859888] [<ffffffffa0273edd>] kvm_vcpu_block+0x6d/0xb0 [kvm] Jun 11 02:10:13 node2 kernel: [2387197.859891] [<ffffffff81084c30>] ? wake_up_bit+0x40/0x40 Jun 11 02:10:13 node2 kernel: [2387197.859903] [<ffffffffa02897aa>] __vcpu_run+0xaa/0x2d0 [kvm] Jun 11 02:10:13 node2 kernel: [2387197.859914] [<ffffffffa028bb6b>] kvm_arch_vcpu_ioctl_run+0x7b/0x1e0 [kvm] Jun 11 02:10:13 node2 kernel: [2387197.859923] [<ffffffffa0276286>] kvm_vcpu_ioctl+0x426/0x5f0 [kvm] Jun 11 02:10:13 node2 kernel: [2387197.859926] [<ffffffff8100a7bb>] ? __switch_to+0x18b/0x370 Jun 11 02:10:13 node2 kernel: [2387197.859929] [<ffffffff81054843>] ? finish_task_switch+0x53/0x100 Jun 11 02:10:13 node2 kernel: [2387197.859933] [<ffffffff81182094>] do_vfs_ioctl+0x94/0x390 Jun 11 02:10:13 node2 kernel: [2387197.859936] [<ffffffff8110ce6a>] ? fire_user_return_notifiers+0x3a/0x50 Jun 11 02:10:13 node2 kernel: [2387197.859939] [<ffffffff81182431>] sys_ioctl+0xa1/0xb0 Jun 11 02:10:13 node2 kernel: [2387197.859942] [<ffffffff8160cf42>] system_call_fastpath+0x16/0x1b Jun 11 02:10:13 node2 kernel: [2387197.859945] ---[ end trace a5723b18d3f39873 ]--- Jun 11 02:10:36 node2 kernel: [2387221.269102] INFO: rcu_sched_state detected stall on CPU 6 (t=15000 jiffies) Jun 11 02:10:36 node2 kernel: [2387221.269107] INFO: rcu_sched_state detected stall on CPU 5 (t=15000 jiffies) Jun 11 02:13:37 node2 kernel: [2387401.369539] INFO: rcu_sched_state detected stall on CPU 5 (t=60030 jiffies) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/809313 Title: mcelog errors and server freeze with qemu-kvm 0.12.3 and linux- image-2.6.32-32-server To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/809313/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
