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Date:      Thu, 14 Jul 2016 16:00:09 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-net@FreeBSD.org
Subject:   [Bug 199096] Kernel panic after some time using mpd (netgraph) and ipfw
Message-ID:  <bug-199096-2472-sutnODWJZj@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-199096-2472@https.bugs.freebsd.org/bugzilla/>
References:  <bug-199096-2472@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D199096

Donald Baud <donaldbaud@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |donaldbaud@yahoo.com

--- Comment #2 from Donald Baud <donaldbaud@yahoo.com> ---
We started using mpd5.8 (netgraph l2tp) with FreeBSD RELENG-10.3=20
This is a replacement to a cisco7206 npeg (LNS)=20
Terminates about 300 l2tp tunnels, 800sessions and 800Mbit/s

I noticed several unresolved bug reports relating to crash with netgraph:
Bug 199096 Kernel panic after some time using mpd (netgraph) and ipfw=20
Bug 176401 [netgraph] page fault in netgraph=20
Bug 154286 [netgraph] [panic] 8.2-PRERELEASE panic in netgraph=20
Bug 154091 - [netgraph] [panic] netgraph, unaligned mbuf?=20
Bug 153497 - [netgraph] netgraph panic due to race conditions=20

I don't want to start an new PR but I'm noticing many panic's, once a day
mostly:

I've experimented with net.graph values but did't do any difference:
# grep net.graph /etc/sysctl.conf ; grep net.graph /boot/loader.conf
#net.graph.maxdgram=3D524288   #default 20480
#net.graph.recvspace=3D524288  #default 20480
#net.graph.maxdata=3D65536     #default 4096
#net.graph.maxalloc=3D65536    #default 4096

# uname -a
FreeBSD mybox.example.com 10.3-RELEASE-p4 FreeBSD 10.3-RELEASE-p4 #0: Sat M=
ay
28 12:23:44 UTC 2016=20=20=20=20
root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC  amd64

# sysctl -a | grep net.graph
net.graph.mppe.max_rekey: 1000
net.graph.mppe.log_max_rekey: 1
net.graph.mppe.block_on_max_rekey: 0
net.graph.control.proto: 2
net.graph.data.proto: 1
net.graph.family: 32
net.graph.recvspace: 20480
net.graph.maxdgram: 20480
net.graph.msg_version: 8
net.graph.abi_version: 12
net.graph.maxdata: 4096
net.graph.maxalloc: 4096
net.graph.threads: 4

# kldstat
Id Refs Address            Size     Name
 1   34 0xffffffff80200000 17bc6a8  kernel
 2    2 0xffffffff81c11000 114db    ipfw.ko
 3    1 0xffffffff81c23000 d32f     dummynet.ko
 4    1 0xffffffff81c31000 3831     ng_socket.ko
 5    9 0xffffffff81c35000 ba02     netgraph.ko
 6    1 0xffffffff81c41000 2b99     ng_mppc.ko
 7    1 0xffffffff81c44000 80c      rc4.ko
 8    1 0xffffffff81c45000 23dc     vmmemctl.ko
 9    1 0xffffffff81c48000 397d     ng_l2tp.ko
10    1 0xffffffff81c4c000 4b04     ng_ksocket.ko
11    1 0xffffffff81c51000 17d6     ng_tee.ko
12    1 0xffffffff81c53000 40d2     ng_iface.ko
13    1 0xffffffff81c58000 5829     ng_ppp.ko
14    1 0xffffffff81c5e000 18b1     ng_tcpmss.ko
15    1 0xffffffff81c60000 2df7     ng_vjc.ko

# vmstat -z | head -1 ; vmstat -z | grep NetGraph
ITEM                   SIZE  LIMIT     USED     FREE      REQ FAIL SLEEP
NetGraph items:          72,   4123,       0,    1271,96158617,   0,   0
NetGraph data items:     72,   4123,       4,    1639,244942156,   0,   0

# /etc/rc.conf
ipv6_network_interfaces=3D"none" # Default is auto=20
ip6addrctl_enable=3D"NO" # New way to disable IPv6 support=20
devd_enable=3D"NO"=20
mpd_enable=3D"YES"
quagga_enable=3D"YES"
quagga_daemons=3D"zebra ospfd"


=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Crash log:

Jul 14 03:20:16 mybox kernel: Fatal trap 12: page fault while in kernel mode
Jul 14 03:20:16 mybox kernel: cpuid =3D 3; apic id =3D 03
Jul 14 03:20:16 mybox kernel: fault virtual address     =3D 0x60
Jul 14 03:20:16 mybox kernel: fault code                =3D supervisor read=
 data,
page not present
Jul 14 03:20:16 mybox kernel: instruction pointer       =3D
0x20:0xffffffff80a27d7a
Jul 14 03:20:16 mybox kernel: stack pointer             =3D
0x28:0xfffffe0174dcb600
Jul 14 03:20:16 mybox kernel: frame pointer             =3D
0x28:0xfffffe0174dcb620
Jul 14 03:20:16 mybox kernel: code segment              =3D base 0x0, limit
0xfffff, type 0x1b
Jul 14 03:20:16 mybox kernel: =3D DPL 0, pres 1, long 1, def32 0, gran 1
Jul 14 03:20:16 mybox kernel: processor eflags  =3D interrupt enabled, resu=
me,
IOPL =3D 0
Jul 14 03:20:16 mybox kernel: current process           =3D 656 (mpd5)
Jul 14 03:20:16 mybox kernel: trap number               =3D 12
Jul 14 03:20:16 mybox kernel: panic: page fault
Jul 14 03:20:16 mybox kernel: cpuid =3D 3
Jul 14 03:20:16 mybox kernel: KDB: stack backtrace:
Jul 14 03:20:16 mybox kernel: #0 0xffffffff8098e390 at kdb_backtrace+0x60
Jul 14 03:20:16 mybox kernel: #1 0xffffffff80951066 at vpanic+0x126
Jul 14 03:20:16 mybox kernel: #2 0xffffffff80950f33 at panic+0x43
Jul 14 03:20:16 mybox kernel: #3 0xffffffff80d55f7b at trap_fatal+0x36b
Jul 14 03:20:16 mybox kernel: #4 0xffffffff80d5627d at trap_pfault+0x2ed
Jul 14 03:20:16 mybox kernel: #5 0xffffffff80d558fa at trap+0x47a
Jul 14 03:20:16 mybox kernel: #6 0xffffffff80d3b8d2 at calltrap+0x8
Jul 14 03:20:16 mybox kernel: #7 0xffffffff80a8161d at in_ifadownkill+0x8d
Jul 14 03:20:16 mybox kernel: #8 0xffffffff80a26e70 at rn_walktree+0x80
Jul 14 03:20:16 mybox kernel: #9 0xffffffff80a8151f at in_ifadown+0x9f
Jul 14 03:20:16 mybox kernel: #10 0xffffffff80a76a2c at in_control+0x76c
Jul 14 03:20:16 mybox kernel: #11 0xffffffff80a17d7b at ifioctl+0x15eb
Jul 14 03:20:16 mybox kernel: #12 0xffffffff809a8c35 at kern_ioctl+0x255
Jul 14 03:20:16 mybox kernel: #13 0xffffffff809a8930 at sys_ioctl+0x140
Jul 14 03:20:16 mybox kernel: #14 0xffffffff80d5694f at amd64_syscall+0x40f
Jul 14 03:20:16 mybox kernel: #15 0xffffffff80d3bbbb at Xfast_syscall+0xfb
Jul 14 03:20:16 mybox kernel: Uptime: 1d8h24m23s
Jul 14 03:20:16 mybox kernel: Dumping 557 out of 6119
MB:..3%..12%..21%..32%..41%..52%..61%..72%..81%..92%
Jul 14 03:20:16 mybox kernel: Dump complete


=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
other crash logs:

/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: Fatal trap 9: general
protection fault while in kernel mode
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: cpuid =3D 0; apic id =
=3D 00
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: instruction pointer=
=20=20=20=20=20=20
=3D 0x20:0xffffffff81c3828d
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: stack pointer=20=20=
=20=20=20=20=20=20=20=20=20=20
=3D 0x28:0xfffffe0174da8380
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: frame pointer=20=20=
=20=20=20=20=20=20=20=20=20=20
=3D 0x28:0xfffffe0174da83c0
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: code segment=20=20=20=
=20=20=20=20=20=20=20=20=20=20
=3D base 0x0, limit 0xfffff, type 0x1b
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: =3D DPL 0, pres 1, lo=
ng 1,
def32 0, gran 1
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: processor eflags  =3D
interrupt enabled, resume, IOPL =3D 0
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: current process=20=20=
=20=20=20=20=20=20=20=20
=3D 659 (ng_queue3)
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: trap number=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20
=3D 9
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: panic: general protec=
tion
fault
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: cpuid =3D 0
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: KDB: stack backtrace:
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: #0 0xffffffff8098e390=
 at
kdb_backtrace+0x60
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: #1 0xffffffff80951066=
 at
vpanic+0x126
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: #2 0xffffffff80950f33=
 at
panic+0x43
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: #3 0xffffffff80d55f7b=
 at
trap_fatal+0x36b
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: #4 0xffffffff80d55bfd=
 at
trap+0x77d
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: #5 0xffffffff80d3b8d2=
 at
calltrap+0x8
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: #6 0xffffffff81c49606=
 at
ng_l2tp_rcvdata_lower+0x946
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: #7 0xffffffff81c370ca=
 at
ng_apply_item+0x21a
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: #8 0xffffffff81c36d1a=
 at
ng_snd_item+0x38a
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: #9 0xffffffff81c4d3e2=
 at
ng_ksocket_incoming2+0x2f2
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: #10 0xffffffff81c36f6=
2 at
ng_apply_item+0xb2
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: #11 0xffffffff81c38d3=
9 at
ngthread+0x1b9
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: #12 0xffffffff8091a4e=
a at
fork_exit+0x9a
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: #13 0xffffffff80d3be0=
e at
fork_trampoline+0xe
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: Uptime: 1d19h53m59s
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: Dumping 560 out of 61=
19
MB:..3%..12%..23%..32%..43%..52%..63%..72%..83%..92%
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: Dump complete
[...]
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: Hypervisor: Origin =3D
"VMwareVMware"
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: real memory  =3D 6442=
450944
(6144 MB)
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: avail memory =3D 6183=
518208
(5897 MB)
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: Event timer "LAPIC"
quality 600
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: ACPI APIC Table: <PTL=
TD=20=20
APIC  >
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: FreeBSD/SMP:
Multiprocessor System Detected: 4 CPUs
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: FreeBSD/SMP: 1 packag=
e(s)
x 4 core(s)
[...]
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: em0: <Intel(R) PRO/10=
00
Legacy Network Connection 1.1.0> port 0x2000-0x203f mem
0xfd5c0000-0xfd5dffff,0xfdff0000-0xfdffffff irq 18 at device 0.0 on pci2
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: em0: Ethernet address:
00:50:56:8d:d7:57
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: pcib3: <ACPI PCI-PCI
bridge> at device 21.0 on pci0
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: pci3: <ACPI PCI bus> =
on
pcib3
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: vmx0: <VMware VMXNET3
Ethernet Adapter> port 0x4000-0x400f mem
0xfd4fc000-0xfd4fcfff,0xfd4fd000-0xfd4fdfff,0xfd4fe000-0xfd4fffff irq 18 at
device 0.0 on pci3
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: vmx0: Ethernet addres=
s:
00:50:56:8d:4c:68
[...]
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: vmx1: <VMware VMXNET3
Ethernet Adapter> port 0x5000-0x500f mem
0xfd3fc000-0xfd3fcfff,0xfd3fd000-0xfd3fdfff,0xfd3fe000-0xfd3fffff irq 19 at
device 0.0 on pci11
/var/log/messages.1.bz2:Jul 12 04:18:05 mybox kernel: vmx1: Ethernet addres=
s:
00:50:56:8d:85:29
[...]
/var/log/messages.1.bz2:Jul 12 04:18:32 mybox kernel: VMware memory control
driver initialized
/var/log/messages.1.bz2:Jul 12 04:18:32 mybox kernel:                done



--------



/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: Fatal trap 9: general
protection fault while in kernel mode
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: cpuid =3D 0; apic id =
=3D 01
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: instruction pointer=
=20=20=20=20=20=20
=3D 0x20:0xffffffff81c31f40
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: stack pointer=20=20=
=20=20=20=20=20=20=20=20=20=20
=3D 0x28:0xfffffe017359a510
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: frame pointer=20=20=
=20=20=20=20=20=20=20=20=20=20
=3D 0x28:0xfffffe017359a560
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: code segment=20=20=20=
=20=20=20=20=20=20=20=20=20=20
=3D base 0x0, limit 0xfffff, type 0x1b
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: =3D DPL 0, pres 1, lo=
ng 1,
def32 0, gran 1
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: processor eflags  =3D
interrupt enabled, resume, IOPL =3D 0
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: current process=20=20=
=20=20=20=20=20=20=20=20
=3D 656 (mpd5)
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: trap number=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20
=3D 9
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: panic: general protec=
tion
fault
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: cpuid =3D 0
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: KDB: stack backtrace:
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: #0 0xffffffff8098e390=
 at
kdb_backtrace+0x60
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: #1 0xffffffff80951066=
 at
vpanic+0x126
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: #2 0xffffffff80950f33=
 at
panic+0x43
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: #3 0xffffffff80d55f7b=
 at
trap_fatal+0x36b
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: #4 0xffffffff80d55bfd=
 at
trap+0x77d
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: #5 0xffffffff80d3b8d2=
 at
calltrap+0x8
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: #6 0xffffffff81c395b6=
 at
ng_add_hook+0x106
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: #7 0xffffffff81c390bb=
 at
ng_mkpeer+0x3b
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: #8 0xffffffff81c37275=
 at
ng_apply_item+0x3c5
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: #9 0xffffffff81c36d1a=
 at
ng_snd_item+0x38a
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: #10 0xffffffff81c319f=
1 at
ngc_send+0x221
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: #11 0xffffffff809cc2d=
6 at
sosend_generic+0x476
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: #12 0xffffffff809d263=
5 at
kern_sendit+0x245
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: #13 0xffffffff809d295=
9 at
sendit+0x129
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: #14 0xffffffff809d281=
d at
sys_sendto+0x4d
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: #15 0xffffffff80d5694=
f at
amd64_syscall+0x40f
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: #16 0xffffffff80d3bbb=
b at
Xfast_syscall+0xfb
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: Uptime: 14h36m50s
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: Dumping 327 out of 61=
19
MB:..5%..15%..25%..35%..44%..54%..64%..74%..84%..93%
/var/log/messages.1.bz2:Jul 12 18:55:22 mybox kernel: Dump complete




------




/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: Fatal trap 9: general
protection fault while in kernel mode
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: cpuid =3D 0; apic id =
=3D 00
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: instruction pointer=
=20=20=20=20=20=20
=3D 0x20:0xffffffff80b8f26b
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: stack pointer=20=20=
=20=20=20=20=20=20=20=20=20=20
=3D 0x28:0xfffffe0174d12730
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: frame pointer=20=20=
=20=20=20=20=20=20=20=20=20=20
=3D 0x28:0xfffffe0174d127d0
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: code segment=20=20=20=
=20=20=20=20=20=20=20=20=20=20
=3D base 0x0, limit 0xfffff, type 0x1b
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: =3D DPL 0, pres 1, lo=
ng 1,
def32 0, gran 1
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: processor eflags  =3D
interrupt enabled, resume, IOPL =3D 0
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: current process=20=20=
=20=20=20=20=20=20=20=20
=3D 16 (syncer)
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: trap number=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20
=3D 9
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: panic: general protec=
tion
fault
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: cpuid =3D 3
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: KDB: stack backtrace:
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: #0 0xffffffff8098e390=
 at
kdb_backtrace+0x60
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: #1 0xffffffff80951066=
 at
vpanic+0x126
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: #2 0xffffffff80950f33=
 at
panic+0x43
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: #3 0xffffffff80d55f7b=
 at
trap_fatal+0x36b
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: #4 0xffffffff80d55bfd=
 at
trap+0x77d
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: #5 0xffffffff80d3b8d2=
 at
calltrap+0x8
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: #6 0xffffffff80baf5be=
 at
ffs_geom_strategy+0x15e
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: #7 0xffffffff80bc0fc0=
 at
ufs_strategy+0x80
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: #8 0xffffffff80e82a5b=
 at
VOP_STRATEGY_APV+0xab
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: #9 0xffffffff809dc23c=
 at
bufstrategy+0x2c
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: #10 0xffffffff809dc16=
5 at
bufwrite+0x185
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: #11 0xffffffff80bb139=
c at
ffs_syncvnode+0x2dc
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: #12 0xffffffff80bb01e=
3 at
ffs_fsync+0x23
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: #13 0xffffffff80e81af=
7 at
VOP_FSYNC_APV+0xa7
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: #14 0xffffffff809fbe1=
b at
sched_sync+0x3ab
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: #15 0xffffffff8091a4e=
a at
fork_exit+0x9a
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: #16 0xffffffff80d3be0=
e at
fork_trampoline+0xe
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: Uptime: 1d12h20m38s
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: Dumping 563 out of 61=
19
MB:..3%..12%..23%..32%..43%..52%..63%..71%..83%..91%
/var/log/messages.3.bz2:Jul 10 08:23:37 mybox kernel: Dump complete




--------




/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: Fatal trap 12: page f=
ault
while in kernel mode
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: cpuid =3D 1; apic id =
=3D 01
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: fault virtual address=
=20=20=20=20
=3D 0x28
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: fault code=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20
=3D supervisor read data, page not present
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: instruction pointer=
=20=20=20=20=20=20
=3D 0x20:0xffffffff81c38283
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: stack pointer=20=20=
=20=20=20=20=20=20=20=20=20=20
=3D 0x28:0xfffffe0174d85540
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: frame pointer=20=20=
=20=20=20=20=20=20=20=20=20=20
=3D 0x28:0xfffffe0174d85580
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: code segment=20=20=20=
=20=20=20=20=20=20=20=20=20=20
=3D base 0x0, limit 0xfffff, type 0x1b
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: =3D DPL 0, pres 1, lo=
ng 1,
def32 0, gran 1
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: processor eflags  =3D
interrupt enabled, resume, IOPL =3D 0
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: current process=20=20=
=20=20=20=20=20=20=20=20
=3D 628 (ng_queue2)
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: trap number=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20
=3D 12
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: panic: page fault
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: cpuid =3D 1
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: KDB: stack backtrace:
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: #0 0xffffffff8098e390=
 at
kdb_backtrace+0x60
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: #1 0xffffffff80951066=
 at
vpanic+0x126
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: #2 0xffffffff80950f33=
 at
panic+0x43
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: #3 0xffffffff80d55f7b=
 at
trap_fatal+0x36b
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: #4 0xffffffff80d5627d=
 at
trap_pfault+0x2ed
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: #5 0xffffffff80d558fa=
 at
trap+0x47a
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: #6 0xffffffff80d3b8d2=
 at
calltrap+0x8
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: #7 0xffffffff81c5e509=
 at
ng_tcpmss_rcvdata+0x2d9
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: #8 0xffffffff81c370ca=
 at
ng_apply_item+0x21a
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: #9 0xffffffff81c36d1a=
 at
ng_snd_item+0x38a
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: #10 0xffffffff81c5a1c=
8 at
ng_ppp_comp_recv+0x148
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: #11 0xffffffff81c370c=
a at
ng_apply_item+0x21a
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: #12 0xffffffff81c36d1=
a at
ng_snd_item+0x38a
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: #13 0xffffffff81c370c=
a at
ng_apply_item+0x21a
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: #14 0xffffffff81c36d1=
a at
ng_snd_item+0x38a
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: #15 0xffffffff81c370c=
a at
ng_apply_item+0x21a
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: #16 0xffffffff81c36d1=
a at
ng_snd_item+0x38a
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: #17 0xffffffff81c4d3e=
2 at
ng_ksocket_incoming2+0x2f2
/var/log/messages.5.bz2:Jul  8 08:09:04 mybox kernel: Uptime: 5d17h47m38s


-------


/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: Fatal trap 12: page f=
ault
while in kernel mode
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: cpuid =3D 2; apic id =
=3D 02
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: fault virtual address=
=20=20=20=20
=3D 0x28
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: fault code=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20
=3D supervisor read data, page not present
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: instruction pointer=
=20=20=20=20=20=20
=3D 0x20:0xffffffff81c38283
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: stack pointer=20=20=
=20=20=20=20=20=20=20=20=20=20
=3D 0x28:0xfffffe0174d99660
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: frame pointer=20=20=
=20=20=20=20=20=20=20=20=20=20
=3D 0x28:0xfffffe0174d996a0
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: code segment=20=20=20=
=20=20=20=20=20=20=20=20=20=20
=3D base 0x0, limit 0xfffff, type 0x1b
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: =3D DPL 0, pres 1, lo=
ng 1,
def32 0, gran 1
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: processor eflags  =3D
interrupt enabled, resume, IOPL =3D 0
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: current process=20=20=
=20=20=20=20=20=20=20=20
=3D 627 (ng_queue3)
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: trap number=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20
=3D 12
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: panic: page fault
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: cpuid =3D 2
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: KDB: stack backtrace:
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: #0 0xffffffff8098e390=
 at
kdb_backtrace+0x60
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: #1 0xffffffff80951066=
 at
vpanic+0x126
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: #2 0xffffffff80950f33=
 at
panic+0x43
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: #3 0xffffffff80d55f7b=
 at
trap_fatal+0x36b
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: #4 0xffffffff80d5627d=
 at
trap_pfault+0x2ed
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: #5 0xffffffff80d558fa=
 at
trap+0x47a
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: #6 0xffffffff80d3b8d2=
 at
calltrap+0x8
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: #7 0xffffffff81c5a042=
 at
ng_ppp_bypass+0x62
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: #8 0xffffffff81c370ca=
 at
ng_apply_item+0x21a
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: #9 0xffffffff81c36d1a=
 at
ng_snd_item+0x38a
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: #10 0xffffffff81c370c=
a at
ng_apply_item+0x21a
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: #11 0xffffffff81c36d1=
a at
ng_snd_item+0x38a
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: #12 0xffffffff81c370c=
a at
ng_apply_item+0x21a
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: #13 0xffffffff81c36d1=
a at
ng_snd_item+0x38a
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: #14 0xffffffff81c4d3e=
2 at
ng_ksocket_incoming2+0x2f2
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: #15 0xffffffff81c36f6=
2 at
ng_apply_item+0xb2
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: #16 0xffffffff81c38d3=
9 at
ngthread+0x1b9
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: #17 0xffffffff8091a4e=
a at
fork_exit+0x9a
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: Uptime: 11h52m56s
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: Dumping 591 out of 61=
19
MB:..3%..11%..22%..33%..41%..52%..63%..71%..82%..92%
/var/log/messages.5.bz2:Jul  8 20:02:30 mybox kernel: Dump complete

--=20
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