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Date: Sat, 28 Jan 2006 01:45:07 +0100
From: Meno Abels <meno.abels@gmail.com>
To: freebsd-net@freebsd.org
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Subject: panic in sbdrop_locked
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Hello,
i have two boxes running currently freebsd-6.0-p3 i386 and they are
panic around every 24 hour once a time. I just update to -p4 so i will
see if it working better. I also didn't have the debug kernel ready so
i can only provide this very weak infos:
(kgdb) bt
#0 0xc06e5b2c in doadump ()
#1 0xc06e60c0 in boot ()
#2 0xc06e6409 in panic ()
#3 0xc0731406 in sbdrop_locked ()
#4 0xc07b373e in tcp_input ()
#5 0xc07a93fe in ip_input ()
#6 0xc077a2b9 in netisr_processqueue ()
#7 0xc077a51f in swi_net ()
#8 0xc06cbfe8 in ithread_loop ()
#9 0xc06caebf in fork_exit ()
#10 0xc090fe1c in fork_trampoline ()
Is there any procedure to track this problem down other than have a
debug kernel prepared what i done now-:) And have a very close look to
the backtrace. I saw it
happens sometimes in the development branches.
BTW The network config is quite komplex on that both crashing boxes
but very simliar.
I also have around 100 other boxes running on the same hardware with
the same os without problem but the network config is not that
complex.
re0: flags=3D8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
options=3D8<VLAN_MTU>
inet 172.20.20.20 netmask 0xffffff00 broadcast 172.20.20.255
inet6 fe80::240:f4ff:fecb:9463%re0 prefixlen 64 scopeid 0x1
inet 172.20.20.97 netmask 0xffffffff broadcast 172.20.20.97
inet 172.20.20.89 netmask 0xffffffff broadcast 172.20.20.89
inet 172.20.20.60 netmask 0xffffffff broadcast 172.20.20.60
inet6 2001:XXX:XXX::3 prefixlen 64
ether 00:40:f4:cb:94:63
media: Ethernet autoselect (1000baseTX <full-duplex>)
status: active
re1: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
options=3D8<VLAN_MTU>
inet 172.20.21.2 netmask 0xffffff00 broadcast 172.20.21.255
inet6 fe80::240:f4ff:febb:2124%re1 prefixlen 64 scopeid 0x2
ether 00:40:f4:bb:21:24
media: Ethernet autoselect (10baseT/UTP)
status: active
rl0: flags=3D8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
options=3D8<VLAN_MTU>
inet YY.YY.YY.215 netmask 0xffffff00 broadcast YY.YY.YY.255
inet6 fe80::213:8fff:fe1f:6586%rl0 prefixlen 64 scopeid 0x3
ether 00:13:8f:1f:65:86
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
plip0: flags=3D108851<UP,POINTOPOINT,RUNNING,SIMPLEX,MULTICAST,NEEDSGIANT>
mtu 1500
pfsync0: flags=3D41<UP,RUNNING> mtu 1348
pfsync: syncdev: re1 maxupd: 128
pflog0: flags=3D41<UP,RUNNING> mtu 33208
lo0: flags=3D8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
inet 127.0.0.1 netmask 0xff000000
inet6 ::1 prefixlen 128
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x7
carp240: flags=3D41<UP,RUNNING> mtu 1500
inet 172.20.20.240 netmask 0xffffff00
carp: MASTER vhid 11 advbase 1 advskew 110
carp241: flags=3D41<UP,RUNNING> mtu 1500
inet 172.20.20.241 netmask 0xffffff00
carp: BACKUP vhid 12 advbase 1 advskew 140
carp255: flags=3D41<UP,RUNNING> mtu 1500
inet 172.20.20.1 netmask 0xffffff00
carp: MASTER vhid 255 advbase 1 advskew 110
carp254: flags=3D1<UP> mtu 1500
carp: INIT vhid 254 advbase 1 advskew 110
carp219: flags=3D41<UP,RUNNING> mtu 1500
inet YY.YY.YY.219 netmask 0xffffff00
carp: MASTER vhid 16 advbase 1 advskew 100
carp220: flags=3D41<UP,RUNNING> mtu 1500
inet YY.YY.YY.220 netmask 0xffffff00
carp: BACKUP vhid 17 advbase 1 advskew 130
carp20: flags=3D41<UP,RUNNING> mtu 1500
inet YY.YY.YY.182 netmask 0xffffff00
carp: BACKUP vhid 21 advbase 1 advskew 130
carp21: flags=3D41<UP,RUNNING> mtu 1500
inet YY.YY.YY.183 netmask 0xffffff00
carp: BACKUP vhid 22 advbase 1 advskew 130
carp196: flags=3D41<UP,RUNNING> mtu 1500
inet YY.YY.YY.196 netmask 0xffffff00
carp: BACKUP vhid 196 advbase 1 advskew 130
carp197: flags=3D41<UP,RUNNING> mtu 1500
inet YY.YY.YY.197 netmask 0xffffff00
carp: MASTER vhid 197 advbase 1 advskew 110
carp58: flags=3D41<UP,RUNNING> mtu 1500
inet 172.20.20.58 netmask 0xffffff00
carp: BACKUP vhid 58 advbase 1 advskew 200
carp59: flags=3D41<UP,RUNNING> mtu 1500
inet 172.20.20.59 netmask 0xffffff00
carp: BACKUP vhid 59 advbase 1 advskew 140
vlan0: flags=3D8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 150=
0
inet 172.20.22.2 netmask 0xffffff00 broadcast 172.20.22.255
inet6 fe80::240:f4ff:fecb:9463%vlan0 prefixlen 64 scopeid 0x14
ether 00:40:f4:cb:94:63
media: Ethernet autoselect (1000baseTX <full-duplex>)
status: active
vlan: 22 parent interface: re0
bridge0: flags=3D8041<UP,RUNNING,MULTICAST> mtu 1500
inet6 2001:XXX:XXX:2::3 prefixlen 64
ether ac:de:48:6c:e5:2d
priority 32768 hellotime 2 fwddelay 15 maxage 20
member: vlan0 flags=3D3<LEARNING,DISCOVER>
gif0: flags=3D8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1280
tunnel inet XX.YY.ZZ.219 --> 212.224.0.188
inet6 fe80::240:f4ff:fecb:9463%gif0 prefixlen 64 scopeid 0x16
inet6 2001:XXX:XXX:2bf::2 --> 2001:XXX:XXX:2bf::1 prefixlen 128
Cheers
meno