Hi Ian, I've tried with 2.6.32-28 but problem persists. So we have a problem with symptoms similar to #596802. I'll attach the oops details. Regards, Stephan
Jan 4 17:46:33 n0020 kernel: [ 82.100424] device vif1.0 entered promiscuous mode Jan 4 17:46:33 n0020 kernel: [ 82.103545] br0: port 2(vif1.0) entering learning state Jan 4 17:46:33 n0020 kernel: [ 82.269708] ip_tables: (C) 2000-2006 Netfilter Core Team Jan 4 17:46:34 n0020 kernel: [ 82.900774] nf_conntrack version 0.5.0 (4062 buckets, 16248 max) Jan 4 17:46:34 n0020 kernel: [ 82.901499] CONFIG_NF_CT_ACCT is deprecated and will be removed soon. Please use Jan 4 17:46:34 n0020 kernel: [ 82.901773] nf_conntrack.acct=1 kernel parameter, acct=1 nf_conntrack module option or Jan 4 17:46:34 n0020 kernel: [ 82.902035] sysctl net.netfilter.nf_conntrack_acct=1 to enable it. Jan 4 17:46:34 n0020 kernel: [ 83.335139] tun: Universal TUN/TAP device driver, 1.6 Jan 4 17:46:34 n0020 kernel: [ 83.335428] tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com> Jan 4 17:46:34 n0020 kernel: [ 83.492992] physdev match: using --physdev-out in the OUTPUT, FORWARD and POSTROUTING chains for non-bridged traffic is not supported anymore. Jan 4 17:46:34 n0020 kernel: [ 83.507857] device tap1.0 entered promiscuous mode Jan 4 17:46:34 n0020 kernel: [ 83.508180] br0: port 3(tap1.0) entering learning state Jan 4 17:46:44 n0020 kernel: [ 92.692116] hrtimer: interrupt took 150037247 ns Jan 4 17:46:48 n0020 kernel: [ 97.101015] br0: port 2(vif1.0) entering forwarding state Jan 4 17:46:49 n0020 kernel: [ 98.508020] br0: port 3(tap1.0) entering forwarding state Jan 4 17:46:52 n0020 kernel: [ 100.992120] br0: port 3(tap1.0) entering disabled state Jan 4 17:46:52 n0020 kernel: [ 101.008073] device tap1.0 left promiscuous mode Jan 4 17:46:52 n0020 kernel: [ 101.008263] br0: port 3(tap1.0) entering disabled state Jan 4 17:46:56 n0020 kernel: [ 105.285534] blkback: ring-ref 1536, event-channel 6, protocol 2 (x86_32-abi) Jan 4 17:47:04 n0020 kernel: [ 113.061493] frontend_changed: backend/vif/1/0: prepare for reconnect Jan 4 17:47:55 n0020 kernel: [ 164.315756] ------------[ cut here ]------------ Jan 4 17:47:55 n0020 kernel: [ 164.316079] WARNING: at /build/buildd-linux-2.6_2.6.32-28-amd64-EUJiNq/linux-2.6-2.6.32/debian/build/source_amd64_xen/net/core/dev.c:1582 skb_gso_segment+0x109/0x263() Jan 4 17:47:55 n0020 kernel: [ 164.316689] Hardware name: Jan 4 17:47:55 n0020 kernel: [ 164.316991] e1000e: caps=(0x110ba9, 0x0) len=5453 data_len=5395 ip_summed=1 Jan 4 17:47:55 n0020 kernel: [ 164.317001] Modules linked in: nf_conntrack_ipv4 nf_defrag_ipv4 tun xt_state nf_conntrack xt_physdev iptable_filter ip_tables x_tables nfsd lockd nfs_acl auth_rpcgss sunrpc xen_evtchn exportfs xenfs bridge stp ext3 jbd mbcache loop firewire_sbp2 nouveau ttm drm_kms_helper snd_hda_codec_idt drm i2c_algo_bit i2c_i801 parport_pc i2c_core parport snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd pcspkr evdev button processor soundcore snd_page_alloc acpi_processor dm_mod btrfs zlib_deflate crc32c libcrc32c sg sd_mod crc_t10dif sr_mod cdrom uhci_hcd firewire_ohci ata_generic ahci pata_marvell firewire_core libata floppy ehci_hcd scsi_mod thermal thermal_sys crc_itu_t e1000e usbcore nls_base [last unloaded: scsi_wait_scan] Jan 4 17:47:55 n0020 kernel: [ 164.319704] Pid: 0, comm: swapper Not tainted 2.6.32-5-xen-amd64 #1 Jan 4 17:47:55 n0020 kernel: [ 164.319704] Call Trace: Jan 4 17:47:55 n0020 kernel: [ 164.319704] <IRQ> [<ffffffff8125eeb6>] ? skb_gso_segment+0x109/0x263 Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff8125eeb6>] ? skb_gso_segment+0x109/0x263 Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff8104ed8c>] ? warn_slowpath_common+0x77/0xa3 Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff8104ee14>] ? warn_slowpath_fmt+0x51/0x59 Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff8100e5bd>] ? xen_force_evtchn_callback+0x9/0xa Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff8100ec72>] ? check_events+0x12/0x20 Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffffa003f739>] ? e1000_get_drvinfo+0xac/0xe3 [e1000e] Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff8125eeb6>] ? skb_gso_segment+0x109/0x263 Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff8125f1c0>] ? dev_hard_start_xmit+0x1b0/0x2b8 Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff81272550>] ? sch_direct_xmit+0x58/0x14c Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff8125f61b>] ? dev_queue_xmit+0x252/0x38d Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffffa02c7c51>] ? br_dev_queue_push_xmit+0x75/0x79 [bridge] Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffffa02cc050>] ? br_nf_post_routing+0x1b1/0x1c8 [bridge] Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff8127c16a>] ? nf_iterate+0x41/0x7d Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffffa02c7bdc>] ? br_dev_queue_push_xmit+0x0/0x79 [bridge] Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff8127c208>] ? nf_hook_slow+0x62/0xc3 Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffffa02c7bdc>] ? br_dev_queue_push_xmit+0x0/0x79 [bridge] Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff8127c208>] ? nf_hook_slow+0x62/0xc3 Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffffa02c7c93>] ? br_forward_finish+0x3e/0x54 [bridge] Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffffa02cc2dd>] ? br_nf_forward_finish+0xaa/0xb0 [bridge] Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffffa02cc489>] ? br_nf_forward_ip+0x1a6/0x1c0 [bridge] Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff8127c16a>] ? nf_iterate+0x41/0x7d Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffffa02c7c55>] ? br_forward_finish+0x0/0x54 [bridge] Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff8127c208>] ? nf_hook_slow+0x62/0xc3 Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffffa02c7c55>] ? br_forward_finish+0x0/0x54 [bridge] Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffffa02c7d31>] ? __br_forward+0x88/0x9d [bridge] Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffffa02c885f>] ? br_handle_frame_finish+0x127/0x148 [bridge] Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffffa02cca5e>] ? br_nf_pre_routing_finish+0x284/0x2a6 [bridge] Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffffa02cc7da>] ? br_nf_pre_routing_finish+0x0/0x2a6 [bridge] Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff8127c208>] ? nf_hook_slow+0x62/0xc3 Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffffa02cc7da>] ? br_nf_pre_routing_finish+0x0/0x2a6 [bridge] Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffffa02ccfe1>] ? br_nf_pre_routing+0x561/0x57e [bridge] Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff8127c16a>] ? nf_iterate+0x41/0x7d Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffffa02c8738>] ? br_handle_frame_finish+0x0/0x148 [bridge] Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff8127c208>] ? nf_hook_slow+0x62/0xc3 Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffffa02c8738>] ? br_handle_frame_finish+0x0/0x148 [bridge] Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffffa02c8a28>] ? br_handle_frame+0x1a8/0x1cc [bridge] Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff8125e4c9>] ? netif_receive_skb+0x350/0x46d Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff8125e667>] ? process_backlog+0x81/0xb4 Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff8125ec44>] ? net_rx_action+0xae/0x1c9 Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff81054acf>] ? __do_softirq+0xdd/0x1a2 Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff81096e39>] ? handle_edge_irq+0xdd/0x101 Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff81012cac>] ? call_softirq+0x1c/0x30 Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff8101422b>] ? do_softirq+0x3f/0x7c Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff8105493e>] ? irq_exit+0x36/0x76 Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff811f1925>] ? xen_evtchn_do_upcall+0x33/0x42 Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff81012cfe>] ? xen_do_hypervisor_callback+0x1e/0x30 Jan 4 17:47:55 n0020 kernel: [ 164.319704] <EOI> [<ffffffff810093aa>] ? hypercall_page+0x3aa/0x1001 Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff810093aa>] ? hypercall_page+0x3aa/0x1001 Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff8100eb95>] ? xen_vcpuop_set_next_event+0x0/0x60 Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff8100e63b>] ? xen_safe_halt+0xc/0x15 Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff8100bf47>] ? xen_idle+0x37/0x40 Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff81010eb1>] ? cpu_idle+0xa2/0xda Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff81506cd1>] ? start_kernel+0x3dc/0x3e8 Jan 4 17:47:55 n0020 kernel: [ 164.319704] [<ffffffff81508c7d>] ? xen_start_kernel+0x57c/0x581 Jan 4 17:47:55 n0020 kernel: [ 164.319704] ---[ end trace e9cc8fcc01e3b264 ]--- Jan 4 17:47:56 n0020 kernel: [ 164.646393] ------------[ cut here ]------------ Jan 4 17:47:56 n0020 kernel: [ 164.646674] WARNING: at /build/buildd-linux-2.6_2.6.32-28-amd64-EUJiNq/linux-2.6-2.6.32/debian/build/source_amd64_xen/net/core/dev.c:1582 skb_gso_segment+0x109/0x263() Jan 4 17:47:56 n0020 kernel: [ 164.647178] Hardware name: Jan 4 17:47:56 n0020 kernel: [ 164.647447] e1000e: caps=(0x110ba9, 0x0) len=11720 data_len=11662 ip_summed=1 Jan 4 17:47:56 n0020 kernel: [ 164.647458] Modules linked in: nf_conntrack_ipv4 nf_defrag_ipv4 tun xt_state nf_conntrack xt_physdev iptable_filter ip_tables x_tables nfsd lockd nfs_acl auth_rpcgss sunrpc xen_evtchn exportfs xenfs bridge stp ext3 jbd mbcache loop firewire_sbp2 nouveau ttm drm_kms_helper snd_hda_codec_idt drm i2c_algo_bit i2c_i801 parport_pc i2c_core parport snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd pcspkr evdev button processor soundcore snd_page_alloc acpi_processor dm_mod btrfs zlib_deflate crc32c libcrc32c sg sd_mod crc_t10dif sr_mod cdrom uhci_hcd firewire_ohci ata_generic ahci pata_marvell firewire_core libata floppy ehci_hcd scsi_mod thermal thermal_sys crc_itu_t e1000e usbcore nls_base [last unloaded: scsi_wait_scan] Jan 4 17:47:56 n0020 kernel: [ 164.649634] Pid: 0, comm: swapper Tainted: G W 2.6.32-5-xen-amd64 #1 Jan 4 17:47:56 n0020 kernel: [ 164.649917] Call Trace: Jan 4 17:47:56 n0020 kernel: [ 164.650192] <IRQ> [<ffffffff8125eeb6>] ? skb_gso_segment+0x109/0x263 Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff8125eeb6>] ? skb_gso_segment+0x109/0x263 Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff8104ed8c>] ? warn_slowpath_common+0x77/0xa3 Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff8104ee14>] ? warn_slowpath_fmt+0x51/0x59 Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff8100e5bd>] ? xen_force_evtchn_callback+0x9/0xa Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff8100ec72>] ? check_events+0x12/0x20 Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffffa003f739>] ? e1000_get_drvinfo+0xac/0xe3 [e1000e] Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff8125eeb6>] ? skb_gso_segment+0x109/0x263 Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff8125f1c0>] ? dev_hard_start_xmit+0x1b0/0x2b8 Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff81272550>] ? sch_direct_xmit+0x58/0x14c Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff8125f61b>] ? dev_queue_xmit+0x252/0x38d Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffffa02c7c51>] ? br_dev_queue_push_xmit+0x75/0x79 [bridge] Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffffa02cc050>] ? br_nf_post_routing+0x1b1/0x1c8 [bridge] Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff8127c16a>] ? nf_iterate+0x41/0x7d Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffffa02c7bdc>] ? br_dev_queue_push_xmit+0x0/0x79 [bridge] Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff8127c208>] ? nf_hook_slow+0x62/0xc3 Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffffa02c7bdc>] ? br_dev_queue_push_xmit+0x0/0x79 [bridge] Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff8127c208>] ? nf_hook_slow+0x62/0xc3 Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffffa02c7c93>] ? br_forward_finish+0x3e/0x54 [bridge] Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffffa02cc2dd>] ? br_nf_forward_finish+0xaa/0xb0 [bridge] Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffffa02cc489>] ? br_nf_forward_ip+0x1a6/0x1c0 [bridge] Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff8127c16a>] ? nf_iterate+0x41/0x7d Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffffa02c7c55>] ? br_forward_finish+0x0/0x54 [bridge] Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff8127c208>] ? nf_hook_slow+0x62/0xc3 Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffffa02c7c55>] ? br_forward_finish+0x0/0x54 [bridge] Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffffa02c7d31>] ? __br_forward+0x88/0x9d [bridge] Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffffa02c885f>] ? br_handle_frame_finish+0x127/0x148 [bridge] Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffffa02cca5e>] ? br_nf_pre_routing_finish+0x284/0x2a6 [bridge] Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffffa02cc7da>] ? br_nf_pre_routing_finish+0x0/0x2a6 [bridge] Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff8127c208>] ? nf_hook_slow+0x62/0xc3 Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffffa02cc7da>] ? br_nf_pre_routing_finish+0x0/0x2a6 [bridge] Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffffa02ccfe1>] ? br_nf_pre_routing+0x561/0x57e [bridge] Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff8127c16a>] ? nf_iterate+0x41/0x7d Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffffa02c8738>] ? br_handle_frame_finish+0x0/0x148 [bridge] Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff8127c208>] ? nf_hook_slow+0x62/0xc3 Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffffa02c8738>] ? br_handle_frame_finish+0x0/0x148 [bridge] Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffffa02c8a28>] ? br_handle_frame+0x1a8/0x1cc [bridge] Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff8125e4c9>] ? netif_receive_skb+0x350/0x46d Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff8125e667>] ? process_backlog+0x81/0xb4 Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff8125ec44>] ? net_rx_action+0xae/0x1c9 Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff81054acf>] ? __do_softirq+0xdd/0x1a2 Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff81096e39>] ? handle_edge_irq+0xdd/0x101 Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff81012cac>] ? call_softirq+0x1c/0x30 Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff8101422b>] ? do_softirq+0x3f/0x7c Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff8105493e>] ? irq_exit+0x36/0x76 Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff811f1925>] ? xen_evtchn_do_upcall+0x33/0x42 Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff81012cfe>] ? xen_do_hypervisor_callback+0x1e/0x30 Jan 4 17:47:56 n0020 kernel: [ 164.650345] <EOI> [<ffffffff810093aa>] ? hypercall_page+0x3aa/0x1001 Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff810093aa>] ? hypercall_page+0x3aa/0x1001 Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff8100e63b>] ? xen_safe_halt+0xc/0x15 Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff8100bf47>] ? xen_idle+0x37/0x40 Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff81010eb1>] ? cpu_idle+0xa2/0xda Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff81506cd1>] ? start_kernel+0x3dc/0x3e8 Jan 4 17:47:56 n0020 kernel: [ 164.650345] [<ffffffff81508c7d>] ? xen_start_kernel+0x57c/0x581 Jan 4 17:47:56 n0020 kernel: [ 164.650345] ---[ end trace e9cc8fcc01e3b265 ]--- [...]
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