From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: [Bugme-new] [Bug 16529] New: xennet driver crashes when using with pseudowire aka l2tpv3 Date: Thu, 26 Aug 2010 08:10:40 +0100 Message-ID: <1282806640.3469.26.camel@localhost.localdomain> References: <20100825153107.2f547f0e.akpm@linux-foundation.org> <4C759F8C.9050301@goop.org> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="=-XjiNRx21YBzBCg0P06bX" Cc: Andrew Morton , "netdev@vger.kernel.org" , Chris Wright , "bugzilla-daemon@bugzilla.kernel.org" , "bugme-daemon@bugzilla.kernel.org" , James Chapman , "heil@terminal-consulting.de" , "Xen-devel@lists.xensource.com" To: Jeremy Fitzhardinge Return-path: Received: from smtp.citrix.com ([66.165.176.89]:57785 "EHLO SMTP.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752579Ab0HZHKp (ORCPT ); Thu, 26 Aug 2010 03:10:45 -0400 In-Reply-To: <4C759F8C.9050301@goop.org> Sender: netdev-owner@vger.kernel.org List-ID: --=-XjiNRx21YBzBCg0P06bX Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit On Wed, 2010-08-25 at 23:56 +0100, Jeremy Fitzhardinge wrote: > >> Here is a link for the setup > >> http://www.pastebin.org/445975 > >> and here a link with more details about the crash http://pastebin.org/449221 > > Please attach these to the bug or something; pastebin is not working for > me at the moment. It's really slow for me but got there eventually. I've attached the files. It's apparently hitting this BUG_ON in __skb_pull: static inline unsigned char *__skb_pull(struct sk_buff *skb, unsigned int len) { skb->len -= len; BUG_ON(skb->len < skb->data_len); return skb->data += len; } Ian. --=-XjiNRx21YBzBCg0P06bX Content-Disposition: attachment; filename="445975.txt" Content-Type: text/plain; name="445975.txt"; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit cat l-01.cfg bootloader = "/usr/bin/pygrub" memory = 512 name = "l-01" disk = ['file:/etc/xen/images/l-01.img,xvda,w'] vif = [ 'bridge=xenbr0,mac=00:16:3E:1F:32:41', 'bridge=vlan222,mac=00:16:3E:1F:33:41' ] vcpus = 1 on_reboot = 'restart' on_crash = 'destroy' root = '/dev/xvda2 rw' /root/tunnel-up.sh #!/bin/sh l2tpv3tun add tunnel tunnel_id 1 peer_tunnel_id 1 udp_sport 5000 \ udp_dport 5000 encap udp local 172.19.0.1 remote 172.19.0.2 l2tpv3tun add session tunnel_id 1 session_id 1 peer_session_id 1 ip addr add 192.168.1.101/32 peer 192.168.1.102/32 dev l2tpeth0 ifconfig l2tpeth0 up config interface loopback option ifname lo option proto static option ipaddr 127.0.0.1 option netmask 255.0.0.0 config interface wan option ifname eth1 option type bridge option proto static option ipaddr 172.19.0.1 option netmask 255.255.255.0 config interface lan option ifname eth0 option type bridge option proto static option ipaddr 192.168.1.60 option netmask 255.255.255.0 l-02 cat l-02.cfg bootloader = "/usr/bin/pygrub" memory = 512 name = "l-02" disk = ['file:/etc/xen/images/l-02.img,xvda,w'] vif = [ 'bridge=vlan123,mac=00:16:3E:1F:32:42', 'bridge=vlan222,mac=00:16:3E:1F:33:42' ] vcpus = 1 on_reboot = 'restart' on_crash = 'destroy' root = '/dev/xvda2 rw' #!/bin/sh l2tpv3tun add tunnel tunnel_id 1 peer_tunnel_id 1 udp_sport 5000 \ udp_dport 5000 encap udp local 172.19.0.2 remote 172.19.0.1 l2tpv3tun add session tunnel_id 1 session_id 1 peer_session_id 1 ip addr add 192.168.1.102/32 peer 192.168.1.101/32 dev l2tpeth0 ifconfig l2tpeth0 up config interface loopback option ifname lo option proto static option ipaddr 127.0.0.1 option netmask 255.0.0.0 config interface wan option ifname eth1 option type bridge option proto static option ipaddr 172.19.0.2 option netmask 255.255.255.0 config interface lan option ifname eth0 option type bridge option proto static option ipaddr 192.168.1.61 option netmask 255.255.255.0 BusyBox v1.16.2 (2010-07-23 19:51:18 CEST) built-in shell (ash) Enter 'help' for a list of built-in commands. _______ ________ __ | |.-----.-----.-----.| | | |.----.| |_ | - || _ | -__| || | | || _|| _| |_______|| __|_____|__|__||________||__| |____| |__| W I R E L E S S F R E E D O M KAMIKAZE (bleeding edge, r22368) ------------------ * 10 oz Vodka Shake well with ice and strain * 10 oz Triple sec mixture into 10 shot glasses. * 10 oz lime juice Salute! --------------------------------------------------- root@l-02:/# sh t tmp/ tunnel-up.sh root@l-02:/# sh tunnel-up.sh root@l-02:/# ------------[ cut here ]------------ kernel BUG at include/linux/skbuff.h:1185! invalid opcode: 0000 [#1] SMP last sysfs file: /sys/kernel/uevent_seqnum Modules linked in: nf_nat_tftp nf_conntrack_tftp nf_nat_irc nf_conntrack_irc nf_nat_ftp nf_conntrack_ftp ipt_MASQUERADE iptable_nat nf_nat xt_NOTRACK iptable_raw xt_state nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack pppoe pppox ipt_REJECT xt_TCPMSS ipt_LOG xt_comment xt_multiport xt_mac xt_limit iptable_mangle iptable_filter ip_tables xt_tcpudp x_tables l2tp_ip l2tp_eth l2tp_netlink l2tp_core tunnel6 tunnel4 tun ppp_async ppp_generic slhc crc_ccitt xen_netfront evtchn xenfs ipv6 Pid: 0, comm: swapper Not tainted 2.6.35-rc6+ #1 / EIP: 0061:[] EFLAGS: 00010287 CPU: 0 EAX: 0000004c EBX: dff62540 ECX: dff62540 EDX: dfe7f000 ESI: dfe7f000 EDI: dff62568 EBP: dfe7f000 ESP: c1901b4c DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0069 Process swapper (pid: 0, ti=c1901000 task=c12bf9a0 task.ti=c12b6000) Stack: dff62540 dfe7f000 c11bfa32 dfe3ea00 dff62540 e089a430 00000112 00000111 <0> 00000066 dff62568 dff62540 e089a2b0 dff62568 dfe3ea00 e089dc51 00000111 <0> 000001c4 0000002e 00000085 00000000 dfda645c c1006d6c a3024472 dfe3ea44 Call Trace: [] ? 0xc11bfa32 [] ? 0xe089a430 [] ? 0xe089a2b0 [] ? 0xe089dc51 [] ? 0xc1006d6c [] ? 0xe089e0e0 [] ? 0xe089ebab [] ? 0xc10271f2 [] ? 0xc12037e7 [] ? 0xc120401e [] ? 0xc1006d6c [] ? 0xc10271f2 [] ? 0xc1006d6c [] ? 0xc10056e6 [] ? 0xc103e586 [] ? 0xe08eaaef [] ? 0xe0907330 [] ? 0xc11dd036 [] ? 0xc11e3880 [] ? 0xc11dd26c [] ? 0xc11e3880 [] ? 0xc11e3984 [] ? 0xc11e3880 [] ? 0xc11e37c8 [] ? 0xc11e34e0 [] ? 0xc11e3250 [] ? 0xc11bec13 [] ? 0xc11bf400 [] ? 0xc122ad60 [] ? 0xc11bf45f [] ? 0xc122ad60 [] ? 0xc122b114 [] ? 0xc122ad60 [] ? 0xc11beadc [] ? 0xc1074658 [] ? 0xc11bf45f [] ? 0xe087e924 [] ? 0xc11c217d [] ? 0xc103e216 [] ? 0xc103e180 [] ? 0xc10056e6 [] ? 0xc11474b4 [] ? 0xc1008a87 [] ? 0xc10013a7 [] ? 0xc100576f [] ? 0xc10034c9 [] ? 0xc100763c [] ? 0xc12db330 [] ? 0xc12dba75 [] ? 0xc12db330 [] ? 0xc12dd441 Code: c4 08 c3 56 89 c1 53 89 d6 8b 80 a8 00 00 00 89 51 14 89 81 98 00 00 00 8b 41 50 83 f8 0d 76 1c 83 e8 0e 3b 41 54 89 41 50 73 0a <0f> 0b 8d b6 00 00 00 00 eb fe 83 81 a8 00 00 00 0e 8b 99 98 00 EIP: [] SS:ESP 0069:c1901b4c ---[ end trace 38eccb6087791f3d ]--- Kernel panic - not syncing: Fatal exception in interrupt Pid: 0, comm: swapper Tainted: G D 2.6.35-rc6+ #1 Call Trace: [] ? 0xc10393ff [] ? 0xc100b9b3 [] ? 0xc10095d0 [] ? 0xc1009657 [] ? 0xc11d10a8 [] ? 0xc10271f2 [] ? 0xc1146675 [] ? 0xc11469a0 [] ? 0xc10271f2 [] ? 0xc1006d6c [] ? 0xc1146675 [] ? 0xc11469a0 [] ? 0xc124a406 [] ? 0xc10095d0 [] ? 0xc11d10a8 [] ? 0xc11bfa32 [] ? 0xe089a430 [] ? 0xe089a2b0 [] ? 0xe089dc51 [] ? 0xc1006d6c [] ? 0xe089e0e0 [] ? 0xe089ebab [] ? 0xc10271f2 [] ? 0xc12037e7 [] ? 0xc120401e [] ? 0xc1006d6c [] ? 0xc10271f2 [] ? 0xc1006d6c [] ? 0xc10056e6 [] ? 0xc103e586 [] ? 0xe08eaaef [] ? 0xe0907330 [] ? 0xc11dd036 [] ? 0xc11e3880 [] ? 0xc11dd26c [] ? 0xc11e3880 [] ? 0xc11e3984 [] ? 0xc11e3880 [] ? 0xc11e37c8 [] ? 0xc11e34e0 [] ? 0xc11e3250 [] ? 0xc11bec13 [] ? 0xc11bf400 [] ? 0xc122ad60 [] ? 0xc11bf45f [] ? 0xc122ad60 [] ? 0xc122b114 [] ? 0xc122ad60 [] ? 0xc11beadc [] ? 0xc1074658 [] ? 0xc11bf45f [] ? 0xe087e924 [] ? 0xc11c217d [] ? 0xc103e216 [] ? 0xc103e180 [] ? 0xc10056e6 [] ? 0xc11474b4 [] ? 0xc1008a87 [] ? 0xc10013a7 [] ? 0xc100576f [] ? 0xc10034c9 [] ? 0xc100763c [] ? 0xc12db330 [] ? 0xc12dba75 [] ? 0xc12db330 [] ? 0xc12dd441 Rebooting in 3 seconds.. --=-XjiNRx21YBzBCg0P06bX Content-Disposition: attachment; filename="449221.txt" Content-Type: text/plain; name="449221.txt"; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit [root@node04 images]# xm console l-01 Reserving virtual address space above 0xf5800000 Linux version 2.6.35+ (heil@jun) (gcc version 4.1.2) #1 SMP Thu Aug 5 20:13:55 CEST 2010 BIOS-provided physical RAM map: Xen: 0000000000000000 - 00000000000a0000 (usable) Xen: 00000000000a0000 - 0000000000100000 (reserved) Xen: 0000000000100000 - 0000000020000000 (usable) NX (Execute Disable) protection: active last_pfn = 0x20000 max_arch_pfn = 0x1000000 init_memory_mapping: 0000000000000000-0000000020000000 512MB LOWMEM available. mapped low ram: 0 - 20000000 low ram: 0 - 20000000 node 0 low ram: 00000000 - 20000000 node 0 bootmap 00003000 - 00007000 (7/32 early reservations) ==> bootmem [0000000000 - 0020000000] #0 [0001589000 - 0001597000] XEN PAGETABLES ==> [0001589000 - 0001597000] #1 [0000001000 - 0000002000] EX TRAMPOLINE ==> [0000001000 - 0000002000] #2 [0001000000 - 00013f0ce4] TEXT DATA BSS ==> [0001000000 - 00013f0ce4] #3 [0001506000 - 0001589000] XEN START INFO ==> [0001506000 - 0001589000] #4 [0000002000 - 0000003000] TRAMPOLINE ==> [0000002000 - 0000003000] #5 [0000100000 - 00001f0000] PGTABLE ==> [0000100000 - 00001f0000] #6 [0000003000 - 0000007000] BOOTMAP ==> [0000003000 - 0000007000] Zone PFN ranges: DMA 0x00000001 -> 0x00001000 Normal 0x00001000 -> 0x00020000 Movable zone start PFN for each node early_node_map[2] active PFN ranges 0: 0x00000001 -> 0x000000a0 0: 0x00000100 -> 0x00020000 Using APIC driver default SMP: Allowing 1 CPUs, 0 hotplug CPUs Local APIC disabled by BIOS -- you can enable it with "lapic" APIC: disable apic facility APIC: switched to apic NOOP Allocating PCI resources starting at 20000000 (gap: 20000000:e0000000) Booting paravirtualized kernel on Xen Xen version: 3.1.2-194.8.1.el5 (preserve-AD) setup_percpu: NR_CPUS:4 nr_cpumask_bits:4 nr_cpu_ids:1 nr_node_ids:1 PERCPU: Embedded 14 pages/cpu @c199b000 s36736 r0 d20608 u65536 pcpu-alloc: s36736 r0 d20608 u65536 alloc=16*4096 pcpu-alloc: [0] 0 Built 1 zonelists in Zone order, mobility grouping on. Total pages: 129951 Kernel command line: root=/dev/xvda2 rw root=/dev/xvda2 rootfstype=ext2 rootwait xencons=hvc console=tty0 console=hvc0,38400n8 noinitrd reboot=bios PID hash table entries: 2048 (order: 1, 8192 bytes) Dentry cache hash table entries: 65536 (order: 6, 262144 bytes) Inode-cache hash table entries: 32768 (order: 5, 131072 bytes) Enabling fast FPU save and restore... done. Enabling unmasked SIMD FPU exception support... done. Initializing CPU#0 Memory: 513736k/524288k available (2500k kernel code, 10164k reserved, 851k data, 348k init, 0k highmem) virtual kernel memory layout: fixmap : 0xf5767000 - 0xf57ff000 ( 608 kB) vmalloc : 0xe0800000 - 0xf5765000 ( 335 MB) lowmem : 0xc0000000 - 0xe0000000 ( 512 MB) .init : 0xc1346000 - 0xc139d000 ( 348 kB) .data : 0xc1271161 - 0xc1345d80 ( 851 kB) .text : 0xc1000000 - 0xc1271161 (2500 kB) SLUB: Genslabs=13, HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 Hierarchical RCU implementation. RCU-based detection of stalled CPUs is disabled. Verbose stalled-CPUs detection is disabled. NR_IRQS:2304 nr_irqs:256 console [hvc0] enabled installing Xen timer for CPU 0 Detected 2836.024 MHz processor. Calibrating delay loop (skipped), value calculated using timer frequency.. 5672.04 BogoMIPS (lpj=28360240) pid_max: default: 32768 minimum: 301 Mount-cache hash table entries: 512 CPU: Physical Processor ID: 0 CPU: Processor Core ID: 1 Performance Events: no APIC, boot with the "lapic" boot parameter to force-enable it. no hardware sampling interrupt available. AMD PMU driver. ... version: 0 ... bit width: 48 ... generic registers: 4 ... value mask: 0000ffffffffffff ... max period: 00007fffffffffff ... fixed-purpose events: 0 ... event mask: 000000000000000f SMP alternatives: switching to UP code Freeing SMP alternatives: 12k freed ftrace: converting mcount calls to 0f 1f 44 00 00 ftrace: allocating 11377 entries in 23 pages cpu 0 spinlock event irq 1 Brought up 1 CPUs Grant table initialized NET: Registered protocol family 16 PCI: Fatal: No config space access function found bio: create slab at 0 xen_balloon: Initialising balloon driver. SCSI subsystem initialized PCI: System does not support PCI PCI: System does not support PCI Switching to clocksource xen NET: Registered protocol family 2 IP route cache hash table entries: 4096 (order: 2, 16384 bytes) TCP established hash table entries: 16384 (order: 5, 131072 bytes) TCP bind hash table entries: 16384 (order: 5, 131072 bytes) TCP: Hash tables configured (established 16384 bind 16384) TCP reno registered UDP hash table entries: 256 (order: 1, 8192 bytes) UDP-Lite hash table entries: 256 (order: 1, 8192 bytes) NET: Registered protocol family 1 platform rtc_cmos: registered platform RTC device (no PNP device found) scx200: NatSemi SCx200 Driver microcode: no support for this CPU vendor ------------[ cut here ]------------ WARNING: at arch/x86/mm/ioremap.c:111 __ioremap_caller+0x188/0x380() Modules linked in: Pid: 1, comm: swapper Not tainted 2.6.35+ #1 Call Trace: [] ? __ioremap_caller+0x188/0x380 [] warn_slowpath_common+0x63/0x80 [] ? __ioremap_caller+0x188/0x380 [] warn_slowpath_null+0x22/0x30 [] __ioremap_caller+0x188/0x380 [] ? internal_create_group+0xf5/0x160 [] ? crashlog_init_fs+0x24/0xb0 [] ioremap_nocache+0x1f/0x30 [] ? crashlog_init_fs+0x24/0xb0 [] ? crashlog_init_fs+0x0/0xb0 [] crashlog_init_fs+0x24/0xb0 [] ? __raw_callee_save_xen_save_fl+0x6/0x8 [] do_one_initcall+0x62/0x190 [] ? radix_tree_lookup+0xa/0x10 [] ? irq_to_desc+0x14/0x20 [] kernel_init+0x13a/0x1e0 [] ? kernel_init+0x0/0x1e0 [] kernel_thread_helper+0x6/0x10 ---[ end trace 6d450e935ee1897c ]--- squashfs: version 4.0 (2009/01/31) Phillip Lougher Registering mini_fo version $Id$ JFFS2 version 2.2 (NAND) (SUMMARY) (LZMA) (RTIME) (CMODE_PRIORITY) (c) 2001-2006 Red Hat, Inc. msgmni has been set to 1003 io scheduler noop registered io scheduler deadline registered (default) rtc: I/O resource 70 is not free. Non-volatile memory driver v1.3 Serial: 8250/16550 driver, 2 ports, IRQ sharing disabled i8042.c: No controller found. cpuidle: using governor ladder TCP westwood registered NET: Registered protocol family 17 802.1Q VLAN Support v1.8 Ben Greear All bugs added by David S. Miller Using IPI No-Shortcut mode xvda: xvda1 xvda2 xvda: p2 size 98721 extends beyond EOD, truncated XENBUS: Device with no driver: device/vif/0 XENBUS: Device with no driver: device/vif/1 EXT2-fs (xvda2): warning: mounting unchecked fs, running e2fsck is recommended VFS: Mounted root (ext2 filesystem) on device 202:2. Freeing unused kernel memory: 348k freed - preinit - Press the [f] key and hit [enter] to enter failsafe mode - regular preinit - - init - Please press Enter to activate this console. Event-channel device installed. Initialising Xen virtual ethernet driver. device eth0 entered promiscuous mode br-lan: port 1(eth0) entering forwarding state br-lan: port 1(eth0) entering forwarding state L2TP core driver, V2.0 L2TP netlink interface L2TP ethernet pseudowire support (L2TPv3) device eth1 entered promiscuous mode br-wan: port 1(eth1) entering forwarding state br-wan: port 1(eth1) entering forwarding state fuse init (API version 7.14) BusyBox v1.16.2 (2010-08-05 19:55:24 CEST) built-in shell (ash) Enter 'help' for a list of built-in commands. _______ ________ __ | |.-----.-----.-----.| | | |.----.| |_ | - || _ | -__| || | | || _|| _| |_______|| __|_____|__|__||________||__| |____| |__| W I R E L E S S F R E E D O M KAMIKAZE (bleeding edge, r22497) ------------------ * 10 oz Vodka Shake well with ice and strain * 10 oz Triple sec mixture into 10 shot glasses. * 10 oz lime juice Salute! --------------------------------------------------- root@l-01:/# sh tunnel-up.sh tunnel-up.sh: line 8: ip: not found tunnel-up.sh: line 9: ip: not found root@l-01:/# ------------[ cut here ]------------ kernel BUG at include/linux/skbuff.h:1185! invalid opcode: 0000 [#1] SMP last sysfs file: /sys/kernel/uevent_seqnum Modules linked in: fuse l2tp_eth l2tp_netlink l2tp_core crc_ccitt xen_netfront evtchn xenfs Pid: 0, comm: swapper Tainted: G W 2.6.35+ #1 / EIP: 0061:[] EFLAGS: 00010287 CPU: 0 EIP is at eth_type_trans+0x30/0xf0 EAX: 0000001c EBX: dfadccc0 ECX: dfadccc0 EDX: df85f800 ESI: df85f800 EDI: df85f800 EBP: c131f93c ESP: c131f934 DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0069 Process swapper (pid: 0, ti=c131e000 task=c1326820 task.ti=c131e000) Stack: dfadccc0 df85f800 c131f94c c11f1283 df93a400 dfadccc0 c131f974 e08873f3 <0> c126fabc 00000008 00000036 c1005526 00000000 dfadccc0 e08872d0 dfadcce8 <0> c131f9d4 e088ad0d c131fa60 c1238fff dfaea802 c131fa00 00000003 00000003 Call Trace: [] ? dev_forward_skb+0xa3/0xc0 [] ? l2tp_eth_dev_setup+0x3f3/0x4e0 [l2tp_eth] [] ? _raw_spin_unlock_irqrestore+0x1c/0x20 [] ? __raw_callee_save_xen_save_fl+0x6/0x8 [] ? l2tp_eth_dev_setup+0x2d0/0x4e0 [l2tp_eth] [] ? l2tp_recv_common+0x70d/0x7d0 [l2tp_core] [] ? icmp_send+0x37f/0x390 [] ? l2tp_udp_recv_core+0x2fa/0x520 [l2tp_core] [] ? l2tp_udp_encap_recv+0x7f/0xd0 [l2tp_core] [] ? fib4_rule_action+0x55/0x70 [] ? udp_queue_rcv_skb+0x7a/0x260 [] ? __udp4_lib_rcv+0x628/0x8a0 [] ? fib4_rule_action+0x55/0x70 [] ? fib_lookup+0x32/0x40 [] ? __raw_callee_save_xen_save_fl+0x6/0x8 [] ? local_bh_enable_ip+0x1e/0x90 [] ? _raw_spin_unlock_bh+0x16/0x20 [] ? rt_intern_hash+0x514/0x550 [] ? ip_route_input_common+0xdd1/0xf20 [] ? kmem_cache_free+0x9a/0xe0 [] ? __kfree_skb+0x38/0xa0 [] ? udp_rcv+0x17/0x20 [] ? ip_local_deliver_finish+0xb7/0x110 [] ? __raw_callee_save_xen_restore_fl+0x6/0x8 [] ? ip_local_deliver+0x87/0xa0 [] ? ip_rcv_finish+0x288/0x2b0 [] ? ip_rcv+0x25c/0x290 [] ? __raw_callee_save_xen_restore_fl+0x6/0x8 [] ? kfree+0x10c/0x120 [] ? skb_release_data+0x8b/0x90 [] ? ip_rcv+0x0/0x290 [] ? __netif_receive_skb+0x3e1/0x410 [] ? kmem_cache_free+0x9a/0xe0 [] ? __kfree_skb+0x38/0xa0 [] ? netif_receive_skb+0x6f/0x80 [] ? br_handle_frame_finish+0x1a7/0x1d0 [] ? br_handle_frame+0x1d5/0x200 [] ? __slab_free+0x79/0x2a0 [] ? __raw_callee_save_xen_restore_fl+0x6/0x8 [] ? __netif_receive_skb+0x2e9/0x410 [] ? skb_release_data+0x8b/0x90 [] ? skb_entry_set_link+0x1775/0x23a0 [xen_netfront] [] ? netif_receive_skb+0x6f/0x80 [] ? skb_entry_set_link+0x190c/0x23a0 [xen_netfront] [] ? __raw_callee_save_xen_restore_fl+0x6/0x8 [] ? net_rx_action+0x7d/0x160 [] ? __do_softirq+0xe8/0x1d0 [] ? unmask_evtchn+0x39/0xe0 [] ? __raw_callee_save_xen_irq_disable+0x6/0x8 [] ? handle_IRQ_event+0x120/0x130 [] ? irq_to_desc+0x14/0x20 [] ? do_softirq+0x39/0x50 [] ? irq_exit+0x2e/0x40 [] ? xen_evtchn_do_upcall+0x154/0x170 [] ? xen_do_upcall+0x7/0xc [] ? hypercall_page+0x3a7/0x1010 [] ? xen_safe_halt+0x12/0x30 [] ? xen_idle+0x2c/0x40 [] ? cpu_idle+0x4c/0x70 [] ? unknown_bootoption+0x0/0x1c0 [] ? rest_init+0x71/0x80 [] ? start_kernel+0x2fa/0x310 [] ? unknown_bootoption+0x0/0x1c0 [] ? i386_start_kernel+0xe3/0xf0 [] ? xen_start_kernel+0x3cd/0x3e0 Code: 0f 1f 44 00 00 89 c1 8b 80 a0 00 00 00 89 d6 89 51 14 89 81 90 00 00 00 8b 41 4c 83 f8 0d 76 24 83 e8 0e 3b 41 50 89 41 4c 73 12 <0f> 0b 8d b4 26 00 00 00 00 8d bc 27 00 00 00 00 eb fe 83 81 a0 EIP: [] eth_type_trans+0x30/0xf0 SS:ESP 0069:c131f934 ---[ end trace 6d450e935ee1897e ]--- Kernel panic - not syncing: Fatal exception in interrupt Pid: 0, comm: swapper Tainted: G D W 2.6.35+ #1 Call Trace: [] panic+0x64/0xe0 [] oops_end+0xa3/0xd0 [] die+0x6d/0x80 [] do_trap+0x98/0xc0 [] ? do_invalid_op+0x0/0xa0 [] do_invalid_op+0x92/0xa0 [] ? eth_type_trans+0x30/0xf0 [] ? __raw_callee_save_xen_save_fl+0x6/0x8 [] ? local_bh_enable+0x1e/0x90 [] ? dev_queue_xmit+0x445/0x480 [] ? ip_finish_output+0x21a/0x270 [] error_code+0x66/0x6c [] ? do_invalid_op+0x0/0xa0 [] ? eth_type_trans+0x30/0xf0 [] dev_forward_skb+0xa3/0xc0 [] l2tp_eth_dev_setup+0x3f3/0x4e0 [l2tp_eth] [] ? _raw_spin_unlock_irqrestore+0x1c/0x20 [] ? __raw_callee_save_xen_save_fl+0x6/0x8 [] ? l2tp_eth_dev_setup+0x2d0/0x4e0 [l2tp_eth] [] l2tp_recv_common+0x70d/0x7d0 [l2tp_core] [] ? icmp_send+0x37f/0x390 [] l2tp_udp_recv_core+0x2fa/0x520 [l2tp_core] [] l2tp_udp_encap_recv+0x7f/0xd0 [l2tp_core] [] ? fib4_rule_action+0x55/0x70 [] udp_queue_rcv_skb+0x7a/0x260 [] __udp4_lib_rcv+0x628/0x8a0 [] ? fib4_rule_action+0x55/0x70 [] ? fib_lookup+0x32/0x40 [] ? __raw_callee_save_xen_save_fl+0x6/0x8 [] ? local_bh_enable_ip+0x1e/0x90 [] ? _raw_spin_unlock_bh+0x16/0x20 [] ? rt_intern_hash+0x514/0x550 [] ? ip_route_input_common+0xdd1/0xf20 [] ? kmem_cache_free+0x9a/0xe0 [] ? __kfree_skb+0x38/0xa0 [] udp_rcv+0x17/0x20 [] ip_local_deliver_finish+0xb7/0x110 [] ? __raw_callee_save_xen_restore_fl+0x6/0x8 [] ip_local_deliver+0x87/0xa0 [] ip_rcv_finish+0x288/0x2b0 [] ip_rcv+0x25c/0x290 [] ? __raw_callee_save_xen_restore_fl+0x6/0x8 [] ? kfree+0x10c/0x120 [] ? skb_release_data+0x8b/0x90 [] ? ip_rcv+0x0/0x290 [] __netif_receive_skb+0x3e1/0x410 [] ? kmem_cache_free+0x9a/0xe0 [] ? __kfree_skb+0x38/0xa0 [] netif_receive_skb+0x6f/0x80 [] br_handle_frame_finish+0x1a7/0x1d0 [] br_handle_frame+0x1d5/0x200 [] ? __slab_free+0x79/0x2a0 [] ? __raw_callee_save_xen_restore_fl+0x6/0x8 [] __netif_receive_skb+0x2e9/0x410 [] ? skb_release_data+0x8b/0x90 [] ? skb_entry_set_link+0x1775/0x23a0 [xen_netfront] [] netif_receive_skb+0x6f/0x80 [] skb_entry_set_link+0x190c/0x23a0 [xen_netfront] [] ? __raw_callee_save_xen_restore_fl+0x6/0x8 [] net_rx_action+0x7d/0x160 [] __do_softirq+0xe8/0x1d0 [] ? unmask_evtchn+0x39/0xe0 [] ? __raw_callee_save_xen_irq_disable+0x6/0x8 [] ? handle_IRQ_event+0x120/0x130 [] ? irq_to_desc+0x14/0x20 [] do_softirq+0x39/0x50 [] irq_exit+0x2e/0x40 [] xen_evtchn_do_upcall+0x154/0x170 [] xen_do_upcall+0x7/0xc [] ? hypercall_page+0x3a7/0x1010 [] ? xen_safe_halt+0x12/0x30 [] xen_idle+0x2c/0x40 [] cpu_idle+0x4c/0x70 [] ? unknown_bootoption+0x0/0x1c0 [] rest_init+0x71/0x80 [] start_kernel+0x2fa/0x310 [] ? unknown_bootoption+0x0/0x1c0 [] i386_start_kernel+0xe3/0xf0 [] xen_start_kernel+0x3cd/0x3e0 [ --=-XjiNRx21YBzBCg0P06bX--