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[Bug 1213879] Re: kernel fault ovs 1.10.1 + linux 3.11

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: James Page <james.page@xxxxxxxxxx>
Date: Fri, 23 Aug 2013 08:50:47 -0000
Reply-to: Bug 1213879 <1213879@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
@Joseph

3.10 was OK; the problem is that openvswitch expects to be able to
register a protocol hander for GRE; however the kernel has already done
this so it fails.

I think this then results in some badness later on openvswitch.

I'm trying to figure out how to replace the default GRE protocol hander
from within the openvswitch module with its own implementation.

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https://bugs.launchpad.net/bugs/1213879

Title:
  kernel fault ovs 1.10.1 + linux 3.11

Status in “linux” package in Ubuntu:
  Incomplete
Status in “openvswitch” package in Ubuntu:
  New
Status in “linux” source package in Saucy:
  Incomplete
Status in “openvswitch” source package in Saucy:
  New

Bug description:
  I see this error when trying to execute the 'openflow' DEP-8 test with
  the latest 3.11 kernel on saucy:

  Aug 19 10:14:06 armstrong kernel: [130348.598305] openvswitch: Open vSwitch switching datapath 1.10.1, built Aug 19 2013 10:13:35
  Aug 19 10:15:43 armstrong kernel: [130445.653334] IPv6: ADDRCONF(NETDEV_UP): s1-eth1: link is not ready
  Aug 19 10:15:43 armstrong kernel: [130445.659375] IPv6: ADDRCONF(NETDEV_UP): s1-eth1: link is not ready
  Aug 19 10:15:43 armstrong kernel: [130445.662512] general protection fault: 0000 [#1] SMP
  Aug 19 10:15:43 armstrong kernel: [130445.662543] Modules linked in: veth(F) openvswitch(OF) overlayfs(F) ipheth nls_utf8 isofs(F) ip6table_filter(F) ip6_tables(F) ebtable_nat(F) ebtables(F) xt_conntrack(F) ipt_REJECT(F) xt_CHECKSUM(F) iptable_mangle(F) xt_tcpudp(F) iptable_filter(F) dm_crypt(F) ipt_MASQUERADE(F) iptable_nat(F) nf_conntrack_ipv4(F) nf_defrag_ipv4(F) nf_nat_ipv4(F) nf_nat(F) nf_conntrack(F) ip_tables(F) x_tables(F) bridge(F) stp(F) llc(F) x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel(F) kvm(F) crc32_pclmul(F) ghash_clmulni_intel(F) aesni_intel(F) aes_x86_64(F) lrw(F) gf128mul(F) glue_helper(F) ablk_helper(F) cryptd(F) parport_pc(F) microcode(F) ppdev(F) psmouse(F) serio_raw(F) snd_hda_codec_hdmi snd_hda_codec_realtek arc4(F) joydev(F) rfcomm iwldvm mac80211 snd_usb_audio snd_usbmidi_lib lpc_ich uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core bnep videodev snd_hda_intel snd_hda_codec iwlwifi cfg80211 snd_hwdep(F) snd_pcm(F) snd_page_alloc(F) thinkpad_acpi btusb nvram(F) bluetoot
  Aug 19 10:15:43 armstrong kernel: h snd_seq_midi(F) snd_seq_midi_event(F) snd_rawmidi(F) snd_seq(F) snd_seq_device(F) snd_timer(F) mei_me mei snd(F) soundcore(F) tpm_tis mac_hid lp(F) parport(F) nls_iso8859_1(F) hid_generic hid_microsoft usbhid hid usb_storage(F) mmc_block i915 i2c_algo_bit drm_kms_helper drm sdhci_pci sdhci e1000e(F) ahci(F) libahci(F) ptp(F) pps_core(F) wmi video(F)
  Aug 19 10:15:43 armstrong kernel: [130445.663077] CPU: 3 PID: 11974 Comm: ip Tainted: GF       W  O 3.11.0-2-generic #5-Ubuntu
  Aug 19 10:15:43 armstrong kernel: [130445.663110] Hardware name: LENOVO 2324CTO/2324CTO, BIOS G2ET91WW (2.51 ) 01/14/2013
  Aug 19 10:15:43 armstrong kernel: [130445.663142] task: ffff8803ba2b1770 ti: ffff8803d942c000 task.ti: ffff8803d942c000
  Aug 19 10:15:43 armstrong kernel: [130445.663173] RIP: 0010:[<ffffffffa077d0d5>]  [<ffffffffa077d0d5>] get_dpifindex+0x5/0x50 [openvswitch]
  Aug 19 10:15:43 armstrong kernel: [130445.663215] RSP: 0018:ffff8803d942d698  EFLAGS: 00010286
  Aug 19 10:15:43 armstrong kernel: [130445.663237] RAX: ffff88039656c014 RBX: ffff880402c60a00 RCX: 0000000000000000
  Aug 19 10:15:43 armstrong kernel: [130445.663267] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0f90a2ebfffffb73
  Aug 19 10:15:43 armstrong kernel: [130445.663296] RBP: ffff8803d942d710 R08: 0000000000000008 R09: ffff88039656c018
  Aug 19 10:15:43 armstrong kernel: [130445.663322] R10: 0000000000000ec0 R11: 0000000000000000 R12: ffff88039656c014
  Aug 19 10:15:43 armstrong kernel: [130445.663351] R13: ffffffff8115c109 R14: 0000000000000000 R15: 0000000000000002
  Aug 19 10:15:43 armstrong kernel: [130445.663376] FS:  00007f8c9dfe5740(0000) GS:ffff88041e2c0000(0000) knlGS:0000000000000000
  Aug 19 10:15:43 armstrong kernel: [130445.663406] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  Aug 19 10:15:43 armstrong kernel: [130445.663430] CR2: 00007f29e7e8d005 CR3: 00000002e4bc0000 CR4: 00000000001407e0
  Aug 19 10:15:43 armstrong kernel: [130445.663460] Stack:
  Aug 19 10:15:43 armstrong kernel: [130445.663470]  ffffffffa077d27e ffff880402c60a00 0000000000000020 00000000ffffffff
  Aug 19 10:15:43 armstrong kernel: [130445.663504]  ffff88040d803700 ffff880402c60a00 ffff8803d942d710 ffffffff815ec7a2
  Aug 19 10:15:43 armstrong kernel: [130445.663538]  0000000000000001 00ff880406c1c000 ffff8803d942d7f8 ffff880402c60a00
  Aug 19 10:15:43 armstrong kernel: [130445.663572] Call Trace:
  Aug 19 10:15:43 armstrong kernel: [130445.663588]  [<ffffffffa077d27e>] ? ovs_vport_cmd_fill_info+0x3e/0x170 [openvswitch]
  Aug 19 10:15:43 armstrong kernel: [130445.663624]  [<ffffffff815ec7a2>] ? __alloc_skb+0x92/0x2a0
  Aug 19 10:15:43 armstrong kernel: [130445.663650]  [<ffffffff8115c109>] ? zone_statistics+0x89/0xa0
  Aug 19 10:15:43 armstrong kernel: [130445.663677]  [<ffffffffa077fa28>] ovs_vport_cmd_build_info+0x58/0xa0 [openvswitch]
  Aug 19 10:15:43 armstrong kernel: [130445.663712]  [<ffffffff8115c109>] ? zone_statistics+0x89/0xa0
  Aug 19 10:15:43 armstrong kernel: [130445.663739]  [<ffffffffa0780042>] dp_device_event+0x72/0xe0 [openvswitch]
  Aug 19 10:15:43 armstrong kernel: [130445.663771]  [<ffffffff816fcd7c>] notifier_call_chain+0x4c/0x70
  Aug 19 10:15:43 armstrong kernel: [130445.663799]  [<ffffffff8108a026>] raw_notifier_call_chain+0x16/0x20
  Aug 19 10:15:43 armstrong kernel: [130445.663828]  [<ffffffff815f6b55>] call_netdevice_notifiers_info+0x35/0x60
  Aug 19 10:15:43 armstrong kernel: [130445.663858]  [<ffffffff815f9f13>] dev_change_net_namespace+0xc3/0x240
  Aug 19 10:15:43 armstrong kernel: [130445.663889]  [<ffffffff8160af53>] do_setlink+0x83/0x9f0
  Aug 19 10:15:43 armstrong kernel: [130445.663914]  [<ffffffff8137b906>] ? nla_parse+0x96/0xe0
  Aug 19 10:15:43 armstrong kernel: [130445.663938]  [<ffffffff8160c524>] rtnl_newlink+0x394/0x5e0
  Aug 19 10:15:43 armstrong kernel: [130445.663964]  [<ffffffff81314d94>] ? apparmor_capable+0x24/0xe0
  Aug 19 10:15:43 armstrong kernel: [130445.663991]  [<ffffffff81609159>] rtnetlink_rcv_msg+0x99/0x260
  Aug 19 10:15:43 armstrong kernel: [130445.664018]  [<ffffffff81190048>] ? __kmalloc_node_track_caller+0x58/0x1d0
  Aug 19 10:15:43 armstrong kernel: [130445.664048]  [<ffffffff8115c109>] ? zone_statistics+0x89/0xa0
  Aug 19 10:15:43 armstrong kernel: [130445.664075]  [<ffffffff815ec78e>] ? __alloc_skb+0x7e/0x2a0
  Aug 19 10:15:43 armstrong kernel: [130445.664100]  [<ffffffff816090c0>] ? rtnetlink_rcv+0x30/0x30
  Aug 19 10:15:43 armstrong kernel: [130445.664124]  [<ffffffff81626d29>] netlink_rcv_skb+0xa9/0xc0
  Aug 19 10:15:43 armstrong kernel: [130445.664144]  [<ffffffff816090b8>] rtnetlink_rcv+0x28/0x30
  Aug 19 10:15:43 armstrong kernel: [130445.665267]  [<ffffffff8162637d>] netlink_unicast+0xdd/0x190
  Aug 19 10:15:43 armstrong kernel: [130445.666420]  [<ffffffff8136c3cd>] ? memcpy_fromiovec+0x4d/0x90
  Aug 19 10:15:43 armstrong kernel: [130445.667368]  [<ffffffff8162672f>] netlink_sendmsg+0x2ff/0x740
  Aug 19 10:15:43 armstrong kernel: [130445.668202]  [<ffffffff815e42b9>] sock_sendmsg+0x99/0xd0
  Aug 19 10:15:43 armstrong kernel: [130445.669030]  [<ffffffff8135f2ae>] ? radix_tree_lookup_slot+0xe/0x10
  Aug 19 10:15:43 armstrong kernel: [130445.670069]  [<ffffffff815e46ac>] ___sys_sendmsg+0x36c/0x380
  Aug 19 10:15:43 armstrong kernel: [130445.671144]  [<ffffffff81168419>] ? handle_mm_fault+0x299/0x670
  Aug 19 10:15:43 armstrong kernel: [130445.672079]  [<ffffffff816fc9a4>] ? __do_page_fault+0x204/0x540
  Aug 19 10:15:43 armstrong kernel: [130445.672887]  [<ffffffff811ba68f>] ? __d_free+0x3f/0x60
  Aug 19 10:15:43 armstrong kernel: [130445.673799]  [<ffffffff8110434c>] ? acct_account_cputime+0x1c/0x20
  Aug 19 10:15:43 armstrong kernel: [130445.674692]  [<ffffffff8109795c>] ? account_user_time+0x9c/0xb0
  Aug 19 10:15:43 armstrong kernel: [130445.675551]  [<ffffffff815e5492>] __sys_sendmsg+0x42/0x80
  Aug 19 10:15:43 armstrong kernel: [130445.676326]  [<ffffffff815e54e2>] SyS_sendmsg+0x12/0x20
  Aug 19 10:15:43 armstrong kernel: [130445.677144]  [<ffffffff8170172f>] tracesys+0xe1/0xe6
  Aug 19 10:15:43 armstrong kernel: [130445.677955] Code: 81 e1 ff 03 00 00 48 8d 14 ca 48 8b 0a 48 89 50 48 48 89 48 40 48 85 c9 48 89 32 74 04 48 89 71 08 5b 5d c3 66 90 0f 1f 44 00 00 <48> 8b 47 28 31 ff 48 8b 00 48 8d 50 c0 48 85 c0 48 0f 45 fa eb
  Aug 19 10:15:43 armstrong kernel: [130445.679868] RIP  [<ffffffffa077d0d5>] get_dpifindex+0x5/0x50 [openvswitch]
  Aug 19 10:15:43 armstrong kernel: [130445.680742]  RSP <ffff8803d942d698>
  Aug 19 10:15:43 armstrong kernel: [130445.687447] ---[ end trace 98db0f68ac2d44b0 ]---
  --- 
  ApportVersion: 2.12-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  jamespage   2808 F.... pulseaudio
   /dev/snd/controlC0:  jamespage   2808 F.... pulseaudio
  DistroRelease: Ubuntu 13.10
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=9cabca8b-d2e3-4f65-a113-3c165c5ecbc6
  InstallationDate: Installed on 2013-04-23 (117 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130423)
  MachineType: LENOVO 2324CTO
  MarkForUpload: True
  Package: openvswitch
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-2-generic.efi.signed root=UUID=88b94abf-33eb-4e05-888d-9dacbe025054 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.11.0-2.5-generic 3.11.0-rc5
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-2-generic N/A
   linux-backports-modules-3.11.0-2-generic  N/A
   linux-firmware                            1.113
  Tags:  saucy saucy
  Uname: Linux 3.11.0-2-generic x86_64
  UpgradeStatus: Upgraded to saucy on 2013-06-15 (64 days ago)
  UserGroups: adm cdrom dip libvirtd lpadmin plugdev sambashare sbuild sudo
  dmi.bios.date: 01/14/2013
  dmi.bios.vendor: LENOVO
  dmi.bios.version: G2ET91WW (2.51 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 2324CTO
  dmi.board.vendor: LENOVO
  dmi.board.version: Win8 Pro DPK TPG
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrG2ET91WW(2.51):bd01/14/2013:svnLENOVO:pn2324CTO:pvrThinkPadX230:rvnLENOVO:rn2324CTO:rvrWin8ProDPKTPG:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2324CTO
  dmi.product.version: ThinkPad X230
  dmi.sys.vendor: LENOVO

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