Chuck Ebbert wrote: > general protection fault: 0000 [#1] SMP > last sysfs file: /sys/devices/system/cpu/sched_mc_power_savings > CPU 0 > Modules linked in: tun fuse rfcomm sco bridge stp llc bnep l2cap autofs4 > w83627ehf hwmon_vid sunrpc sit tunnel4 nf_nat_sip nf_conntrack_sip nf_nat_ftp > nf_conntrack_ftp ipt_LOG xt_owner iptable_mangle ipt_MASQUERADE iptable_nat > nf_nat xt_limit nf_conntrack_ipv6 xt_mac ip6t_LOG ip6table_filter ip6_tables > p4_clockmod freq_table speedstep_lib squashfs nls_utf8 dm_multipath raid1 > kvm_intel kvm uinput ipv6 ppdev snd_hda_codec_realtek snd_hda_intel > snd_hda_codec snd_hwdep snd_pcm nouveau pcspkr i2c_i801 firewire_ohci snd_timer > btusb firewire_core e1000 snd bluetooth drm iTCO_wdt iTCO_vendor_support > crc_itu_t i2c_algo_bit asus_atk0110 i82975x_edac soundcore sky2 edac_core > parport_pc i2c_core floppy hwmon snd_page_alloc parport raid456 raid6_pq > async_xor async_memcpy async_tx xor [last unloaded: freq_table] > Pid: 4104, comm: qemu-kvm Not tainted 2.6.30.8-64.fc11.x86_64.debug #1 System > Product Name > RIP: 0010:[<ffffffffa03624e1>] [<ffffffffa03624e1>] ipv6_confirm+0xd0/0x147 > [nf_conntrack_ipv6] > RSP: 0018:ffff880035203668 EFLAGS: 00010212 > RAX: 0000000000000030 RBX: ffff8801f90a1080 RCX: 0000000000000002 > RDX: ffffffff81783f40 RSI: 0000000000000030 RDI: ffff8801f90a1080 > RBP: ffff880035203698 R08: ffffffffa04520ee R09: ffff880035203748 > R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff81783f40 > R13: 6b6b6b6b6b6b6b6b R14: 0000000000000002 R15: 0000000000000004 > FS: 00007f944e44b740(0000) GS:ffff880035200000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > CR2: 00007fffbc54ef60 CR3: 000000020f8d8000 CR4: 00000000000026e0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > Process qemu-kvm (pid: 4104, threadinfo ffff88020f89c000, task > ffff8802104a4760) > Stack: > 3a00000000000246 00000000696092b1 0000000080000000 ffff8801f90a1080 > ffffffffa04520ee ffffffff81783bd0 ffff880035203708 ffffffff8142b117 > ffff8800352036c8 ffff880035203748 ffff880210492060 0000000000000000 > Call Trace: > <IRQ> <0> [<ffffffffa04520ee>] ? br_nf_dev_queue_xmit+0x0/0xa1 [bridge] > [<ffffffff8142b117>] nf_iterate+0x5c/0xb3 > [<ffffffffa04520ee>] ? br_nf_dev_queue_xmit+0x0/0xa1 [bridge] > [<ffffffff8142b214>] nf_hook_slow+0xa6/0x136 > [<ffffffffa04520ee>] ? br_nf_dev_queue_xmit+0x0/0xa1 [bridge] > [<ffffffffa044c29d>] ? br_dev_queue_push_xmit+0x0/0xae [bridge] > [<ffffffffa045263b>] nf_hook_thresh.clone.0+0x4c/0x62 [bridge] > [<ffffffffa0452d92>] br_nf_post_routing+0x1a8/0x1e4 [bridge] > [<ffffffff8142b117>] nf_iterate+0x5c/0xb3 > [<ffffffffa044c29d>] ? br_dev_queue_push_xmit+0x0/0xae [bridge] > [<ffffffff8142b214>] nf_hook_slow+0xa6/0x136 > [<ffffffffa044c29d>] ? br_dev_queue_push_xmit+0x0/0xae [bridge] > [<ffffffffa044c39d>] nf_hook_thresh.clone.0+0x52/0x68 [bridge] > [<ffffffffa044c3ed>] br_forward_finish+0x3a/0x62 [bridge] > [<ffffffffa0452aaa>] br_nf_forward_finish+0xb3/0xd2 [bridge] > [<ffffffffa045263b>] ? nf_hook_thresh.clone.0+0x4c/0x62 [bridge] > [<ffffffffa045318a>] br_nf_forward_ip+0x1af/0x1de [bridge] > [<ffffffffa044c3b3>] ? br_forward_finish+0x0/0x62 [bridge] > [<ffffffff8142b117>] nf_iterate+0x5c/0xb3 > [<ffffffffa044c3b3>] ? br_forward_finish+0x0/0x62 [bridge] > [<ffffffff8142b214>] nf_hook_slow+0xa6/0x136 > [<ffffffffa044c3b3>] ? br_forward_finish+0x0/0x62 [bridge] > [<ffffffffa044c415>] ? __br_forward+0x0/0xab [bridge] > [<ffffffffa044c39d>] nf_hook_thresh.clone.0+0x52/0x68 [bridge] > [<ffffffffa044c499>] __br_forward+0x84/0xab [bridge] > [<ffffffffa044c1ca>] br_flood+0x82/0xd9 [bridge] > [<ffffffff814086ee>] ? netif_receive_skb+0x120/0x44c > [<ffffffffa044c249>] br_flood_forward+0x28/0x3e [bridge] > [<ffffffffa044d36a>] br_handle_frame_finish+0x13a/0x167 [bridge] > [<ffffffffa04529da>] br_nf_pre_routing_finish_ipv6+0xb7/0xd4 [bridge] > [<ffffffffa045263b>] ? nf_hook_thresh.clone.0+0x4c/0x62 [bridge] > [<ffffffffa04534e8>] br_nf_pre_routing+0x32f/0x577 [bridge] > [<ffffffffa044d230>] ? br_handle_frame_finish+0x0/0x167 [bridge] > [<ffffffff8142b117>] nf_iterate+0x5c/0xb3 > [<ffffffff8123bbf6>] ? kobject_put+0x54/0x6f > [<ffffffffa044d230>] ? br_handle_frame_finish+0x0/0x167 [bridge] > [<ffffffff8142b214>] nf_hook_slow+0xa6/0x136 > [<ffffffffa044d230>] ? br_handle_frame_finish+0x0/0x167 [bridge] > [<ffffffffa044d21a>] nf_hook_thresh.clone.0+0x52/0x68 [bridge] > [<ffffffffa044d533>] br_handle_frame+0x19c/0x1d9 [bridge] > [<ffffffff814088fa>] netif_receive_skb+0x32c/0x44c > Code: 2c 75 1d f6 05 1a fc 1c e2 40 74 60 f6 05 17 fc 1c e2 04 74 57 80 3d ad > 4d 00 00 00 74 4e eb 62 44 89 f1 4c 89 e2 89 c6 48 89 df <41> ff 55 50 83 f8 01 > 75 3d 4c 8b a3 88 00 00 00 4d 85 e4 74 2c > RIP [<ffffffffa03624e1>] ipv6_confirm+0xd0/0x147 [nf_conntrack_ipv6] > RSP <ffff880035203668> > ---[ end trace 5dc400d9f2f8290b ]--- > > c: f6 05 17 fc 1c e2 04 testb $0x4,-0x1de303e9(%rip) > 13: 74 57 je 0x6c > 15: 80 3d ad 4d 00 00 00 cmpb $0x0,0x4dad(%rip) > 1c: 74 4e je 0x6c > 1e: eb 62 jmp 0x82 > 20: 44 89 f1 mov %r14d,%ecx > 23: 4c 89 e2 mov %r12,%rdx > 26: 89 c6 mov %eax,%esi > 28: 48 89 df mov %rbx,%rdi > > 0: 41 ff 55 50 callq *0x50(%r13) <=========== > 4: 83 f8 01 cmp $0x1,%eax > 7: 75 3d jne 0x46 > 9: 4c 8b a3 88 00 00 00 mov 0x88(%rbx),%r12 > 10: 4d 85 e4 test %r12,%r12 > 13: 74 2c je 0x41 > > R13: 6b6b6b6b6b6b6b6b > > Corresponds to: > net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c:178: > > ret = helper->help(skb, protoff, ct, ctinfo); Did you unload any helper modules before this happened? 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