I have seen the same panic five different times now, on two
different machines, identical hardware, both running 64bit version
of Xen 3.1.0 as obtained from the tarballs on xensource.com
Twice I caused it directly by trying to turn off the avahi daemon,
and three other times it appears that the avahi daemon was active
either on dom0 or domU or both at about the time of the panic, i.e.
that is the last action that appears in the logs just before the
system hung.
I don't really need the avahi daemon and am turning it off.
Have crashed two machines that way--once when I turned it off in a dom0
and again when I turned it off in a domU.. the latter is disturbing
that a crash on the domu would kill the whole machine.
Has anyone else seen this kernel panic? Is it more general
than being avahi-associated?
Thanks
Steve Timm
<Aug/31 11:48 am>peth1: received packet with own address as source
address
<Aug/31 11:51 am>Unable to handle kernel NULL pointer dereference at
000000000000010c RIP:
<Aug/31 11:51 am> [<ffffffff881b0ed9>] :ipv6:fib6_lookup+0x6d/0xe8
<Aug/31 11:51 am>PGD e5ddf067 PUD e5de0067 PMD 0
<Aug/31 11:51 am>Oops: 0000 [1] SMP
<Aug/31 11:51 am>CPU 1
<Aug/31 11:51 am>Modules linked in: xt_physdev bridge autofs4 hidp rfcomm
l2capbluetooth sunrpc ip_conntrack_netbios_ns ipt_REJECT xt_state
ip_conntrack nfnetlink iptable_filter ip_tables ip6t_REJECT xt_tcpudp
ip6table_filter ip6_tables x_tables ipv6 binfmt_misc video thermal sbs
processor i2c_ec i2c_core fan container button battery asus_acpi ac
parport_pc lp parport ide_cd tsdev sr_mod cdrom intel_rng pcspkr sg piix
bnx2 usbhid usbmouse serio_raw usbkbd dm_snapshot dm_zero dm_mirror dm_mod
ide_disk usb_storage megaraid_sas sd_mod scsi_mod ext3 jbd ehci_hcd
ohci_hcd uhci_hcd usbcore
<Aug/31 11:51 am>Pid: 0, comm: swapper Tainted: GF 2.6.18-xen #1
<Aug/31 11:51 am>RIP: e030:[<ffffffff881b0ed9>] [<ffffffff881b0ed9>]
:ipv6:fib6_lookup+0x6d/0xe8
<Aug/31 11:51 am>RSP: e02b:ffff8800f4227b90 EFLAGS: 00010206
<Aug/31 11:51 am>RAX: 0000000000000004 RBX: ffffffff881db580 RCX:
000000000000001f
<Aug/31 11:51 am>RDX: 0000000000000004 RSI: ffff88000003c038 RDI:
ffffffff881db540
<Aug/31 11:51 am>RBP: ffff8800e9f05f00 R08: ffffffff881a7148 R09:
ffff8800f4227be0
<Aug/31 11:51 am>R10: ffffffff88283906 R11: ffff8800e9f187c0 R12:
00000000000000fc
<Aug/31 11:51 am>R13: 0000000000000000 R14: ffff88000003c038 R15:
ffffffff881db540
<Aug/31 11:51 am>FS: 00002b74b414ffc0(0000) GS:ffffffff804d3080(0000)
knlGS:0000000000000000
<Aug/31 11:51 am>CS: e033 DS: 002b ES: 002b
<Aug/31 11:51 am>Process swapper (pid: 0, threadinfo ffff8800f4202000,
task ffff88000103f040)
<Aug/31 11:51 am>Stack: ffff8800000000fc ffff88000003c038
0000000d00000001 ffff8800e9f05920
<Aug/31 11:51 am> ffffffff881a7148 ffffffff881db580 ffffffff881db540
ffff8800e7922e80
<Aug/31 11:51 am> 0000000000000000 0000000000000003 0000000000000001
ffffffff881ae8cd
<Aug/31 11:51 am>Call Trace:
<Aug/31 11:51 am> <IRQ> [<ffffffff881a7148>] :ipv6:ip6_rcv_finish+0x0/0x28
<Aug/31 11:51 am> [<ffffffff881ae8cd>] :ipv6:ip6_route_input+0x56/0x1cf
<Aug/31 11:51 am> [<ffffffff881a73c5>] :ipv6:ipv6_rcv+0x255/0x2ba
<Aug/31 11:51 am> [<ffffffff80395cbc>] netif_receive_skb+0x2d3/0x2f3
<Aug/31 11:51 am> [<ffffffff8827f9b4>] :bridge:br_pass_frame_up+0x64/0x66
<Aug/31 11:51 am> [<ffffffff8827fa7a>]
:bridge:br_handle_frame_finish+0xc4/0xf6
<Aug/31 11:51 am> [<ffffffff88282e57>]
:bridge:br_nf_pre_routing_finish_ipv6+0xdf/0xe3
<Aug/31 11:51 am> [<ffffffff882835e6>]
:bridge:br_nf_pre_routing+0x39b/0x667
<Aug/31 11:51 am> [<ffffffff803ad73c>] nf_iterate+0x52/0x79
<Aug/31 11:51 am> [<ffffffff8827f9b6>]
:bridge:br_handle_frame_finish+0x0/0xf6
<Aug/31 11:51 am> [<ffffffff803ad7d6>] nf_hook_slow+0x73/0xea
<Aug/31 11:51 am> [<ffffffff8827f9b6>]
:bridge:br_handle_frame_finish+0x0/0xf6
<Aug/31 11:51 am> [<ffffffff8827fc43>] :bridge:br_handle_frame+0x167/0x190
<Aug/31 11:51 am> [<ffffffff80395c14>] netif_receive_skb+0x22b/0x2f3
<Aug/31 11:51 am> [<ffffffff80395dbd>] process_backlog+0xe1/0x18e
<Aug/31 11:51 am> [<ffffffff80395f51>] net_rx_action+0xe7/0x254
<Aug/31 11:51 am> [<ffffffff80233d97>] __do_softirq+0x7b/0x10d
<Aug/31 11:51 am> [<ffffffff8020b094>] call_softirq+0x1c/0x28
<Aug/31 11:51 am> [<ffffffff8020cdfd>] do_softirq+0x62/0xd9
<Aug/31 11:51 am> [<ffffffff8020cc9c>] do_IRQ+0x68/0x71
<Aug/31 11:51 am> [<ffffffff8034b347>] evtchn_do_upcall+0xee/0x165
<Aug/31 11:51 am> [<ffffffff8020abca>] do_hypervisor_callback+0x1e/0x2c
<Aug/31 11:51 am> <EOI> [<ffffffff803d246e>] udp_poll+0x0/0xf2
<Aug/31 11:51 am> [<ffffffff802063aa>] hypercall_page+0x3aa/0x1000
<Aug/31 11:51 am> [<ffffffff802063aa>] hypercall_page+0x3aa/0x1000
<Aug/31 11:51 am> [<ffffffff8020ef23>] raw_safe_halt+0xb7/0xdd
<Aug/31 11:51 am> [<ffffffff802082c3>] xen_idle+0x67/0x79
<Aug/31 11:51 am> [<ffffffff8020837f>] cpu_idle+0xaa/0xcd
<Aug/31 11:51 am>Code: 41 8b 5c 24 10 41 89 dd 41 c1 ed 05 74 19 42 8d 14
ad 0000
<Aug/31 11:51 am>RIP [<ffffffff881b0ed9>] :ipv6:fib6_lookup+0x6d/0xe8
<Aug/31 11:51 am> RSP <ffff8800f4227b90>
<Aug/31 11:51 am>CR2: 000000000000010c
<Aug/31 11:51 am> <0>Kernel panic - not syncing: Aiee, killing interrupt
handler!
<Aug/31 11:51 am>Unable to handle kernel NULL pointer dereference at
000000000000010c RIP:
<Aug/31 11:51 am> [<ffffffff881b0ed9>] :ipv6:fib6_lookup+0x6d/0xe8
<Aug/31 11:51 am>PGD e5569067 PUD e6332067 PMD 0
<Aug/31 11:51 am>Oops: 0000 [2] SMP
<Aug/31 11:51 am>CPU 2
<Aug/31 11:51 am>Modules linked in: xt_physdev bridge autofs4 hidp rfcomm
l2capbluetooth sunrpc ip_conntrack_netbios_ns ipt_REJECT xt_state
ip_conntrack nfnetlink iptable_filter ip_tables ip6t_REJECT xt_tcpudp
ip6table_filter ip6_tables x_tables ipv6 binfmt_misc video thermal sbs
processor i2c_ec i2c_core fan container button battery asus_acpi ac
parport_pc lp parport ide_cd tsdev sr_mod cdrom intel_rng pcspkr sg piix
bnx2 usbhid usbmouse serio_raw usbkbd dm_snapshot dm_zero dm_mirror dm_mod
ide_disk usb_storage megaraid_sas sd_mod scsi_mod ext3 jbd ehci_hcd
ohci_hcd uhci_hcd usbcore
<Aug/31 11:51 am>Pid: 0, comm: swapper Tainted: GF 2.6.18-xen #1
<Aug/31 11:51 am>RIP: e030:[<ffffffff881b0ed9>] [<ffffffff881b0ed9>]
:ipv6:fib6_lookup+0x6d/0xe8
<Aug/31 11:51 am>RSP: e02b:ffff8800f4237b90 EFLAGS: 00010206
<Aug/31 11:51 am>RAX: 0000000000000004 RBX: ffffffff881db580 RCX:
000000000000001f
<Aug/31 11:51 am>RDX: 0000000000000004 RSI: ffff8800f121f038 RDI:
ffffffff881db540
<Aug/31 11:51 am>RBP: ffff8800e9f05f00 R08: ffffffff881a7148 R09:
ffff8800f4237be0
<Aug/31 11:51 am>R10: ffffffff88283906 R11: ffff8800008c11c0 R12:
00000000000000fc
<Aug/31 11:51 am>R13: 0000000000000000 R14: ffff8800f121f038 R15:
ffffffff881db540
<Aug/31 11:51 am>FS: 00002b31b76b92a0(0000) GS:ffffffff804d3100(0000)
knlGS:0000000000000000
<Aug/31 11:51 am>CS: e033 DS: 002b ES: 002b
<Aug/31 11:51 am>Process swapper (pid: 0, threadinfo ffff8800f4206000,
task ffff8800010397e0)
<Aug/31 11:51 am>Stack: ffff8800000000fc ffff8800f121f038
0000000e00000001 ffff8800e9f05920
<Aug/31 11:51 am> ffffffff881a7148 ffffffff881db580 ffffffff881db540
ffff8800008c16c0
<Aug/31 11:51 am> 0000000000000000 0000000000000003 0000000000000001
ffffffff881ae8cd
<Aug/31 11:51 am>Call Trace:
<Aug/31 11:51 am> <IRQ> [<ffffffff881a7148>] :ipv6:ip6_rcv_finish+0x0/0x28
<Aug/31 11:51 am> [<ffffffff881ae8cd>] :ipv6:ip6_route_input+0x56/0x1cf
<Aug/31 11:51 am> [<ffffffff881a73c5>] :ipv6:ipv6_rcv+0x255/0x2ba
<Aug/31 11:51 am> [<ffffffff80395cbc>] netif_receive_skb+0x2d3/0x2f3
<Aug/31 11:51 am> [<ffffffff8827f9b4>] :bridge:br_pass_frame_up+0x64/0x66
<Aug/31 11:51 am> [<ffffffff8827fa7a>]
:bridge:br_handle_frame_finish+0xc4/0xf6
<Aug/31 11:51 am> [<ffffffff88282e57>]
:bridge:br_nf_pre_routing_finish_ipv6+0xdf/0xe3
<Aug/31 11:51 am> [<ffffffff882835e6>]
:bridge:br_nf_pre_routing+0x39b/0x667
<Aug/31 11:51 am> [<ffffffff803ad73c>] nf_iterate+0x52/0x79
<Aug/31 11:51 am> [<ffffffff8827f9b6>]
:bridge:br_handle_frame_finish+0x0/0xf6
<Aug/31 11:51 am> [<ffffffff803ad7d6>] nf_hook_slow+0x73/0xea
<Aug/31 11:51 am> [<ffffffff8827f9b6>]
:bridge:br_handle_frame_finish+0x0/0xf6
<Aug/31 11:51 am> [<ffffffff8827fc43>] :bridge:br_handle_frame+0x167/0x190
<Aug/31 11:51 am> [<ffffffff80395c14>] netif_receive_skb+0x22b/0x2f3
<Aug/31 11:51 am> [<ffffffff80395dbd>] process_backlog+0xe1/0x18e
<Aug/31 11:51 am> [<ffffffff80395f51>] net_rx_action+0xe7/0x254
<Aug/31 11:51 am> [<ffffffff80233d97>] __do_softirq+0x7b/0x10d
<Aug/31 11:51 am> [<ffffffff8020b094>] call_softirq+0x1c/0x28
<Aug/31 11:51 am> [<ffffffff8020cdfd>] do_softirq+0x62/0xd9
<Aug/31 11:51 am> [<ffffffff8020cc9c>] do_IRQ+0x68/0x71
<Aug/31 11:51 am> [<ffffffff8034b347>] evtchn_do_upcall+0xee/0x165
<Aug/31 11:51 am> [<ffffffff8020abca>] do_hypervisor_callback+0x1e/0x2c
<Aug/31 11:51 am> <EOI> [<ffffffff802063aa>] hypercall_page+0x3aa/0x1000
<Aug/31 11:51 am> [<ffffffff802063aa>] hypercall_page+0x3aa/0x1000
<Aug/31 11:51 am> [<ffffffff8020ef23>] raw_safe_halt+0xb7/0xdd
<Aug/31 11:51 am> [<ffffffff802082c3>] xen_idle+0x67/0x79
<Aug/31 11:51 am> [<ffffffff8020837f>] cpu_idle+0xaa/0xcd
<Aug/31 11:51 am>Code: 41 8b 5c 24 10 41 89 dd 41 c1 ed 05 74 19 42 8d 14
ad 0000
<Aug/31 11:51 am>RIP [<ffffffff881b0ed9>] :ipv6:fib6_lookup+0x6d/0xe8
<Aug/31 11:51 am> RSP <ffff8800f4237b90>
<Aug/31 11:51 am>CR2: 000000000000010c
<Aug/31 11:51 am>BUG: warning at
/local/scratch/shand/3.1.0/64-3.1-testing.hg/linux-2.6.18-xen/drivers/char/vt.c:3350/do_unblank_screen()
<Aug/31 11:51 am>Call Trace:
<Aug/31 11:51 am> <IRQ> [<ffffffff8033d96e>] do_unblank_screen+0x49/0x10d
<Aug/31 11:51 am> [<ffffffff80218610>] bust_spinlocks+0x1c/0x46
<Aug/31 11:51 am> [<ffffffff8020b5a5>] oops_end+0x15/0x77
<Aug/31 11:51 am> [<ffffffff80219dd2>] do_page_fault+0x10be/0x117a
<Aug/31 11:51 am> [<ffffffff8035e006>] loopback_start_xmit+0x2b4/0x2c2
<Aug/31 11:51 am> [<ffffffff80395696>] dev_queue_xmit+0x300/0x30a
<Aug/31 11:51 am> [<ffffffff8020ab1f>] error_exit+0x0/0x71
<Aug/31 11:51 am> [<ffffffff88283906>]
:bridge:br_nf_forward_finish+0x0/0x100
<Aug/31 11:51 am> [<ffffffff881a7148>] :ipv6:ip6_rcv_finish+0x0/0x28
<Aug/31 11:51 am> [<ffffffff881b0ed9>] :ipv6:fib6_lookup+0x6d/0xe8
<Aug/31 11:51 am> [<ffffffff881a7148>] :ipv6:ip6_rcv_finish+0x0/0x28
<Aug/31 11:51 am> [<ffffffff881ae8cd>] :ipv6:ip6_route_input+0x56/0x1cf
<Aug/31 11:51 am> [<ffffffff881a73c5>] :ipv6:ipv6_rcv+0x255/0x2ba
<Aug/31 11:51 am> [<ffffffff80395cbc>] netif_receive_skb+0x2d3/0x2f3
<Aug/31 11:51 am> [<ffffffff8827f9b4>] :bridge:br_pass_frame_up+0x64/0x66
<Aug/31 11:51 am> [<ffffffff8827fa7a>]
:bridge:br_handle_frame_finish+0xc4/0xf6
<Aug/31 11:51 am> [<ffffffff88282e57>]
:bridge:br_nf_pre_routing_finish_ipv6+0xdf/0xe3
<Aug/31 11:51 am> [<ffffffff882835e6>]
:bridge:br_nf_pre_routing+0x39b/0x667
<Aug/31 11:51 am> [<ffffffff803ad73c>] nf_iterate+0x52/0x79
<Aug/31 11:51 am> [<ffffffff8827f9b6>]
:bridge:br_handle_frame_finish+0x0/0xf6
<Aug/31 11:51 am> [<ffffffff803ad7d6>] nf_hook_slow+0x73/0xea
<Aug/31 11:51 am> [<ffffffff8827f9b6>]
:bridge:br_handle_frame_finish+0x0/0xf6
<Aug/31 11:51 am> [<ffffffff8827fc43>] :bridge:br_handle_frame+0x167/0x190
<Aug/31 11:51 am> [<ffffffff80395c14>] netif_receive_skb+0x22b/0x2f3
<Aug/31 11:51 am> [<ffffffff80395dbd>] process_backlog+0xe1/0x18e
<Aug/31 11:51 am> [<ffffffff80395f51>] net_rx_action+0xe7/0x254
<Aug/31 11:51 am> [<ffffffff80233d97>] __do_softirq+0x7b/0x10d
<Aug/31 11:51 am> [<ffffffff8020b094>] call_softirq+0x1c/0x28
<Aug/31 11:51 am> [<ffffffff8020cdfd>] do_softirq+0x62/0xd9
<Aug/31 11:51 am> [<ffffffff8020cc9c>] do_IRQ+0x68/0x71
<Aug/31 11:51 am> [<ffffffff8034b347>] evtchn_do_upcall+0xee/0x165
<Aug/31 11:51 am> [<ffffffff8020abca>] do_hypervisor_callback+0x1e/0x2c
<Aug/31 11:51 am> <EOI> [<ffffffff802063aa>] hypercall_page+0x3aa/0x1000
<Aug/31 11:51 am> [<ffffffff802063aa>] hypercall_page+0x3aa/0x1000
<Aug/31 11:51 am> [<ffffffff8020ef23>] raw_safe_halt+0xb7/0xdd
<Aug/31 11:51 am> [<ffffffff802082c3>] xen_idle+0x67/0x79
<Aug/31 11:51 am> [<ffffffff8020837f>] cpu_idle+0xaa/0xcd
<Aug/31 11:51 am> <0>Kernel panic - not syncing: Aiee, killing interrupt
handler!
<Aug/31 11:51 am>
--
------------------------------------------------------------------
Steven C. Timm, Ph.D (630) 840-8525
timm@xxxxxxxx http://home.fnal.gov/~timm/
Fermilab Computing Division, Scientific Computing Facilities,
Grid Facilities Department, FermiGrid Services Group, Assistant Group Leader.
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