Hi I seems to be getting lots of crashes when my system is under network load, I was moving 1/4T of data over a 1G link and I got lots and lots of these [16877.745063] ------------[ cut here ]------------ [16877.745070] WARNING: at net/core/dev.c:1451 skb_gso_segment+0x88/0x1af() [16877.745076] Modules linked in: forcedeth vboxdrv nfsd lockd nfs_acl auth_rpcgss sunrpc exportfs ip6table_mangle ip6t_frag ip6t_LOG ip6t_REJECT nf_conntrack_ipv6 ip6table_filter ip6_tables iptable_mangle iptable_nat nf_nat xt_pkttype ipt_ULOG ipt_REJECT xt_limit xt_tcpudp nf_conntrack_ipv4 xt_state nf_conntrack iptable_filter ip_tables x_tables ppdev parport_pc lp parport video output ac battery powernow_k8 cpufreq_powersave cpufreq_conservative cpufreq_ondemand cpufreq_stats freq_table cpufreq_userspace bridge xfs ext2 fuse ipv6 sbp2 loop serio_raw pcspkr snd_hda_intel psmouse snd_pcm snd_timer snd soundcore snd_page_alloc shpchp pci_hotplug wmi button evdev ext3 jbd mbcache dm_mirror dm_log dm_snapshot dm_mod raid456 async_xor async_memcpy async_tx xor raid1 md_mod sg sr_mod cdrom sd_mod ata_generic amd74xx ohci1394 sata_sil ieee1394 ahci sata_mv libata scsi_mod dock ide_pci_generic ide_core ohci_hcd ehci_hcd thermal processor fan thermal_sys [last unloaded: forcedeth] [16877.745371] Pid: 9602, comm: apache2 Tainted: G W 2.6.26-1-amd64 #1 [16877.745377] [16877.745378] Call Trace: [16877.745383] <IRQ> [<ffffffff80234878>] warn_on_slowpath+0x51/0x7a [16877.745429] [<ffffffffa0406d1c>] :nf_conntrack:nf_ct_deliver_cached_events+0x4c/0x7c [16877.745444] [<ffffffffa044753f>] :nf_conntrack_ipv6:ipv6_confirm+0xd9/0xee [16877.745463] [<ffffffff804192c1>] packet_rcv+0x31a/0x32b [16877.745472] [<ffffffff803ba77e>] skb_gso_segment+0x88/0x1af [16877.745483] [<ffffffff803baa24>] dev_hard_start_xmit+0x17f/0x24e [16877.745495] [<ffffffff803bcfdd>] dev_queue_xmit+0x1f0/0x2b3 [16877.745539] [<ffffffffa02b6d58>] :ipv6:ip6_output+0xc11/0xc37 [16877.745579] [<ffffffffa02b5838>] :ipv6:dst_output+0x0/0xb [16877.745591] [<ffffffff803d420d>] nf_hook_slow+0x5d/0xbe [16877.745631] [<ffffffffa02b5838>] :ipv6:dst_output+0x0/0xb [16877.745684] [<ffffffffa02b8905>] :ipv6:ip6_xmit+0x35c/0x44f [16877.745742] [<ffffffffa02d964c>] :ipv6:inet6_csk_xmit+0x219/0x235 [16877.745776] [<ffffffff803edb30>] tcp_transmit_skb+0x731/0x76e [16877.745793] [<ffffffff803eed27>] tso_fragment+0xef/0x13b [16877.745808] [<ffffffff803ef449>] __tcp_push_pending_frames+0x6d6/0x7a9 [16877.745827] [<ffffffff803ecb0f>] tcp_rcv_established+0x80f/0x8b4 [16877.745878] [<ffffffffa02d332d>] :ipv6:tcp_v6_do_rcv+0x626/0x8ff [16877.745916] [<ffffffffa0406d1c>] :nf_conntrack:nf_ct_deliver_cached_events+0x4c/0x7c [16877.745933] [<ffffffffa044753f>] :nf_conntrack_ipv6:ipv6_confirm+0xd9/0xee [16877.745947] [<ffffffff803d4174>] nf_iterate+0x41/0x7d [16877.745957] [<ffffffff80416b6c>] __inet6_lookup_established+0xed/0x258 [16877.746008] [<ffffffffa02d5b37>] :ipv6:tcp_v6_rcv+0x638/0x685 [16877.746059] [<ffffffffa02b8bcd>] :ipv6:ip6_input_finish+0x1d5/0x34c [16877.746107] [<ffffffffa02b929b>] :ipv6:ipv6_rcv+0x32d/0x38e [16877.746135] [<ffffffffa0393808>] :bridge:br_handle_frame_finish+0x107/0x13e [16877.746160] [<ffffffffa0396ff0>] :bridge:br_nf_pre_routing_finish_ipv6+0xaa/0xb0 [16877.746183] [<ffffffffa0397c6f>] :bridge:br_nf_pre_routing+0x38a/0x617 [16877.746197] [<ffffffff803d4174>] nf_iterate+0x41/0x7d [16877.746217] [<ffffffffa0393701>] :bridge:br_handle_frame_finish+0x0/0x13e [16877.746229] [<ffffffff803d420d>] nf_hook_slow+0x5d/0xbe [16877.746245] [<ffffffffa0393701>] :bridge:br_handle_frame_finish+0x0/0x13e [16877.746272] [<ffffffffa03939e3>] :bridge:br_handle_frame+0x1a4/0x1c9 [16877.746288] [<ffffffff803ba364>] netif_receive_skb+0x29f/0x3b8 [16877.746294] [<ffffffff803b5b44>] __alloc_skb+0x7f/0x12d [16877.746308] [<ffffffff803bcb3a>] process_backlog+0x86/0xef [16877.746314] [<ffffffff803b5ea6>] dev_alloc_skb+0x16/0x2d [16877.746328] [<ffffffff803bc3a7>] net_rx_action+0xab/0x1da [16877.746343] [<ffffffff8023922f>] __do_softirq+0x5c/0xd1 [16877.746355] [<ffffffff8020d29c>] call_softirq+0x1c/0x28 [16877.746366] [<ffffffff8020f37c>] do_softirq+0x3c/0x81 [16877.746374] [<ffffffff8023918f>] irq_exit+0x3f/0x83 [16877.746382] [<ffffffff8020f5dc>] do_IRQ+0xb9/0xd9 [16877.746392] [<ffffffff8020c43d>] ret_from_intr+0x0/0x19 [16877.746398] <EOI> [16877.746421] ---[ end trace 690e809cf8d0fba8 ]--- [16877.746835] ------------[ cut here ]------------ [16877.746842] WARNING: at net/core/dev.c:1451 skb_gso_segment+0x88/0x1af() [16877.746848] Modules linked in: forcedeth vboxdrv nfsd lockd nfs_acl auth_rpcgss sunrpc exportfs ip6table_mangle ip6t_frag ip6t_LOG ip6t_REJECT nf_conntrack_ipv6 ip6table_filter ip6_tables iptable_mangle iptable_nat nf_nat xt_pkttype ipt_ULOG ipt_REJECT xt_limit xt_tcpudp nf_conntrack_ipv4 xt_state nf_conntrack iptable_filter ip_tables x_tables ppdev parport_pc lp parport video output ac battery powernow_k8 cpufreq_powersave cpufreq_conservative cpufreq_ondemand cpufreq_stats freq_table cpufreq_userspace bridge xfs ext2 fuse ipv6 sbp2 loop serio_raw pcspkr snd_hda_intel psmouse snd_pcm snd_timer snd soundcore snd_page_alloc shpchp pci_hotplug wmi button evdev ext3 jbd mbcache dm_mirror dm_log dm_snapshot dm_mod raid456 async_xor async_memcpy async_tx xor raid1 md_mod sg sr_mod cdrom sd_mod ata_generic amd74xx ohci1394 sata_sil ieee1394 ahci sata_mv libata scsi_mod dock ide_pci_generic ide_core ohci_hcd ehci_hcd thermal processor fan thermal_sys [last unloaded: forcedeth] [16877.747144] Pid: 9602, comm: apache2 Tainted: G W 2.6.26-1-amd64 #1 [16877.747150] [16877.747151] Call Trace: [16877.747162] [<ffffffff80234878>] warn_on_slowpath+0x51/0x7a [16877.747199] [<ffffffffa0406d1c>] :nf_conntrack:nf_ct_deliver_cached_events+0x4c/0x7c [16877.747213] [<ffffffffa044753f>] :nf_conntrack_ipv6:ipv6_confirm+0xd9/0xee [16877.747232] [<ffffffff804192c1>] packet_rcv+0x31a/0x32b [16877.747240] [<ffffffff803ba77e>] skb_gso_segment+0x88/0x1af [16877.747251] [<ffffffff803baa24>] dev_hard_start_xmit+0x17f/0x24e [16877.747263] [<ffffffff803bcfdd>] dev_queue_xmit+0x1f0/0x2b3 [16877.747307] [<ffffffffa02b6d58>] :ipv6:ip6_output+0xc11/0xc37 [16877.747345] [<ffffffffa02b5838>] :ipv6:dst_output+0x0/0xb [16877.747358] [<ffffffff803d420d>] nf_hook_slow+0x5d/0xbe [16877.747397] [<ffffffffa02b5838>] :ipv6:dst_output+0x0/0xb [16877.747450] [<ffffffffa02b8905>] :ipv6:ip6_xmit+0x35c/0x44f [16877.748991] [<ffffffffa02d964c>] :ipv6:inet6_csk_xmit+0x219/0x235 [16877.748991] [<ffffffff803edb30>] tcp_transmit_skb+0x731/0x76e [16877.748991] [<ffffffff803eed27>] tso_fragment+0xef/0x13b [16877.748991] [<ffffffff803ef449>] __tcp_push_pending_frames+0x6d6/0x7a9 [16877.748991] [<ffffffff803e4b56>] tcp_sendmsg+0x8bb/0x9d3 [16877.748991] [<ffffffff803af30f>] sock_aio_write+0xf8/0x110 [16877.748991] [<ffffffff803af217>] sock_aio_write+0x0/0x110 [16877.748991] [<ffffffff8029a923>] do_sync_readv_writev+0xc0/0x107 [16877.748991] [<ffffffff80246021>] autoremove_wake_function+0x0/0x2e [16877.748991] [<ffffffff80281613>] handle_mm_fault+0x3f4/0x867 [16877.748991] [<ffffffff8029a7b9>] rw_copy_check_uvector+0x6c/0xdc [16877.748991] [<ffffffff8029afd6>] do_readv_writev+0xb2/0x18b [16877.748991] [<ffffffff80221f78>] do_page_fault+0x5d8/0x9c8 [16877.748991] [<ffffffff80285652>] do_mmap_pgoff+0x2ff/0x364 [16877.748991] [<ffffffff8029b50b>] sys_writev+0x45/0x93 [16877.748991] [<ffffffff8020be9a>] system_call_after_swapgs+0x8a/0x8f [16877.748991] [16877.748991] ---[ end trace 690e809cf8d0fba8 ]--- These are just 2, I have a file with lots more that i can send to somebody if it would help. Is this a bug or ? I am running debian 2.6.26-8 Linux max 2.6.26-1-amd64 #1 SMP Thu Oct 9 14:16:53 UTC 2008 x86_64 GNU/Linux I have eth0 bridges to brhme1 (so that I can attach virtual box machines there - none attached currently) and I have some firewall rules as well. That really about it to the changes I have made Thanks Alex PS can you cc me on the replay, in the process of registering -- "Columbia carried in its payroll classroom experiments from some of our students in America." - George W. Bush 02/03/2003 Bethesda, MD
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