Subject: Crash your kernel w/traceroute
To: None <current-users@NetBSD.ORG>
From: Guenther Grau <s_grau@ira.uka.de>
List: current-users
Date: 11/07/1996 21:18:55
Hi,

NetBSD% uname -a
NetBSD NetBSD 1.2 NetBSD 1.2 (MILANO) #0: Fri Oct 11 22:05:51 MET DST 1996     
frueauf@NetBSD:/usr/src/sys/arch/amiga/compile/MILANO amiga

NetBSD% traceroute your.favorite.site 

works fine

NetBSD% traceroute your.favorite.site 10000

maschine crashed
rebooted

NetBSD% gdb -k netbsd.0-071196 netbsd.0.core-071196
GDB is free software and you are welcome to distribute copies of it
 under certain conditions; type "show copying" to see the conditions.
There is absolutely no warranty for GDB; type "show warranty" for details.
GDB 4.11 (m68k-netbsd), Copyright 1993 Free Software Foundation, Inc...
(no debugging symbols found)...
panic: m_copym
#0  0x152a8 in panic ()
(kgdb) bt
#0  0x152a8 in panic ()
#1  0x152a8 in panic ()
#2  0x1e20a in m_copym ()
#3  0x4c7d6 in ip_output ()
#4  0x4d49e in rip_output ()
#5  0x4d762 in rip_usrreq ()
#6  0x1f424 in sosend ()
#7  0x2189c in sendit ()
#8  0x215f2 in sys_sendto ()
#9  0xaa8ec in syscall ()
#10 0x2292 in trap0 ()
Cannot access memory at address 0xdfffbfc.

Is this a generic problem or this this Amiga-specific?

  Guenther

P.S.: Ping has a problem with setting the size of the outgoing packets 
larger than 8192 or sth oround this value, but it doesn't crash the machine.