Date: Thu, 19 Jul 2001 12:40:11 -0700 (PDT) From: Matthew Jacob <mjacob@feral.com> To: <current@freebsd.org> Subject: did somebody notice a crash in ip_output if you're using multicast? Message-ID: <20010719123949.H50024-100000@wonky.feral.com>
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fatal kernel trap:
trap entry = 0x2 (memory management fault)
cpuid = 0
faulting va = 0x48
type = access violation
cause = load instructon
pc = 0xfffffc00004ce89c
ra = 0xfffffc00004ce874
sp = 0xfffffe002e1bbaf8
usp = 0x11ffb5a0
curproc = 0xfffffe0028293fc0
pid = 199, comm = ntpd
Stopped at ip_output+0x9bc: ldq t0,0x48(s6) <0x48>
<t0=0x20
100001d00,s6=0x0>
db> t
ip_output() at ip_output+0x9bc
igmp_sendpkt() at igmp_sendpkt+0x1a0
igmp_joingroup() at igmp_joingroup+0x7c
in_addmulti() at in_addmulti+0x108
ip_setmoptions() at ip_setmoptions+0x4c0
ip_ctloutput() at ip_ctloutput+0x2ac
sosetopt() at sosetopt+0x4c
setsockopt() at setsockopt+0xb4
syscall() at syscall+0x728
XentSys() at XentSys+0x64
--- syscall (105, FreeBSD ELF, setsockopt) ---
--- user mode ---
db> reboot
halted CPU 0
halt code = 5
HALT instruction executed
PC = fffffc00005cdf40
CPU 0 booting
(boot dkb200.2.0.5.1 -flags a)
pblock 0 of dkb200.2.0.5.1 is a valid boot block
reading 15 blocks from dkb200.2.0.5.1
bootstrap code read in
base = 200000, image_start = 0, image_bytes = 1e00
initializing HWRPB at 2000
-matt
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