brctl show
bridge name bridge id STP enabled interfaces
br0 8000.84c9b27d9355 no eth2
vnet0
vnet1
vnet2
virbr0 8000.000000000000 yes
- eth2: VT6105/VT6106S [Rhine-III];
- vnetX: Домены KVM.
Неисправность проявляется как изоляция хоста от ЛВС. Домены и Хост видят друг-друга. В этот момент в syslog (выборка по ощущению причастности к проблеме):
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Dec 19 12:42:21 zevs kernel: [172825.234632] WARNING: at /build/buildd/linux-3.0.0/net/sched/sch_generic.c:255 dev_watchdog+0x25a/0x270()
Dec 19 12:42:21 zevs kernel: [172825.234635] Hardware name: System Product Name
Dec 19 12:42:21 zevs kernel: [172825.234637] NETDEV WATCHDOG: eth2 (via-rhine): transmit queue 0 timed out
Dec 19 12:42:21 zevs kernel: [172825.234640] Modules linked in: ip6table_filter ip6_tables 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 snd_hda_codec_hdmi snd_hda_codec_realtek kvm_intel kvm bridge stp snd_hda_intel psmouse eeepc_wmi asus_wmi sparse_keymap
i915 drm_kms_helper lp parport serio_raw pl2303 usbserial snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore snd_page_alloc mei(C) drm i2c_algo_bit video wmi raid10 raid456 async_pq asy
nc_xor xor async_memcpy async_raid6_recov xhci_hcd via_rhine atl1c ahci libahci pata_via raid6_pq async_tx raid1 raid0 multipath linear
Dec 19 12:42:21 zevs kernel: [172825.234694] Pid: 0, comm: swapper Tainted: G C 3.0.0-12-server #20-Ubuntu
Dec 19 12:42:21 zevs kernel: [172825.234696] Call Trace:
Dec 19 12:42:21 zevs kernel: [172825.234698] <IRQ> [<ffffffff8105e81f>] warn_slowpath_common+0x7f/0xc0
Dec 19 12:42:21 zevs kernel: [172825.234709] [<ffffffff8105e916>] warn_slowpath_fmt+0x46/0x50
Dec 19 12:42:21 zevs kernel: [172825.234714] [<ffffffff81507f7a>] dev_watchdog+0x25a/0x270
Dec 19 12:42:21 zevs kernel: [172825.234719] [<ffffffff81011523>] ? native_sched_clock+0x13/0x60
Dec 19 12:42:21 zevs kernel: [172825.234724] [<ffffffff81079d30>] ? __queue_work+0x320/0x320
Dec 19 12:42:21 zevs kernel: [172825.234728] [<ffffffff81507d20>] ? qdisc_reset+0x50/0x50
Dec 19 12:42:21 zevs kernel: [172825.234732] [<ffffffff81507d20>] ? qdisc_reset+0x50/0x50
Dec 19 12:42:21 zevs kernel: [172825.234737] [<ffffffff8106d306>] call_timer_fn+0x46/0x160
Dec 19 12:42:21 zevs kernel: [172825.234741] [<ffffffff81507d20>] ? qdisc_reset+0x50/0x50
Dec 19 12:42:21 zevs kernel: [172825.234744] [<ffffffff8106ec32>] run_timer_softirq+0x132/0x2a0
Dec 19 12:42:21 zevs kernel: [172825.234749] [<ffffffff81026add>] ? lapic_next_event+0x1d/0x30
Dec 19 12:42:21 zevs kernel: [172825.234753] [<ffffffff81065e38>] __do_softirq+0xa8/0x210
Dec 19 12:42:21 zevs kernel: [172825.234758] [<ffffffff8109321f>] ? tick_program_event+0x1f/0x30
Dec 19 12:42:21 zevs kernel: [172825.234764] [<ffffffff81607e1c>] call_softirq+0x1c/0x30
Dec 19 12:42:21 zevs kernel: [172825.234770] [<ffffffff8106621e>] irq_exit+0x8e/0xb0
Dec 19 12:42:21 zevs kernel: [172825.234774] [<ffffffff8160875e>] smp_apic_timer_interrupt+0x6e/0x99
Dec 19 12:42:21 zevs kernel: [172825.234778] [<ffffffff816075d3>] apic_timer_interrupt+0x13/0x20
Dec 19 12:42:21 zevs kernel: [172825.234780] <EOI> [<ffffffff810329a9>] ? default_spin_lock_flags+0x9/0x10
Dec 19 12:42:21 zevs kernel: [172825.234789] [<ffffffff81347e7b>] ? intel_idle+0xcb/0x120
Dec 19 12:42:21 zevs kernel: [172825.234794] [<ffffffff81347e5d>] ? intel_idle+0xad/0x120
Dec 19 12:42:21 zevs kernel: [172825.234799] [<ffffffff814bcba2>] cpuidle_idle_call+0xa2/0x1d0
Dec 19 12:42:21 zevs kernel: [172825.234805] [<ffffffff8100920b>] cpu_idle+0xab/0x100
Dec 19 12:42:21 zevs kernel: [172825.234809] [<ffffffff815c8c0e>] rest_init+0x72/0x74
Dec 19 12:42:21 zevs kernel: [172825.234815] [<ffffffff81ce6c2b>] start_kernel+0x3d4/0x3df
Dec 19 12:42:21 zevs kernel: [172825.234819] [<ffffffff81ce6388>] x86_64_start_reservations+0x132/0x136
Dec 19 12:42:21 zevs kernel: [172825.234823] [<ffffffff81ce6140>] ? early_idt_handlers+0x140/0x140
Dec 19 12:42:21 zevs kernel: [172825.234827] [<ffffffff81ce6459>] x86_64_start_kernel+0xcd/0xdc
Dec 19 12:42:21 zevs kernel: [172825.234830] ---[ end trace 773e8e4010e6b2de ]---
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Dec 19 12:42:21 zevs kernel: [172825.234982] via-rhine 0000:09:00.0: eth2: Transmit timed out, status 0003, PHY status 786d, resetting...
Dec 19 12:42:21 zevs kernel: [172825.235686] via-rhine 0000:09:00.0: eth2: link up, 100Mbps, full-duplex, lpa 0x45E1
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description: Motherboard
product: P8H67-V
Linux zevs 3.0.0-12-server #20-Ubuntu SMP Fri Oct 7 16:36:30 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux