From: Alex Samad <alex@xxxxxxxxxxxx> Date: Thu, 16 Oct 2008 14:04:16 +1100 [ Kernel network developers don't read linux-net, which is for user discussion. They read netdev@xxxxxxxxxxxxxxx instead which I've added to the CC:, please maintain this in all follow ups and replys. ] > 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 What kernel version? How is your system configured? Otherwise it is harder for us to analyze this report. Thanks. [ Herbert, this looks like another case like that ebtables+tg3 one, where the checksum field is not set properly. ] > [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 -- To unsubscribe from this list: send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html