Re: fatal trap 12

Robert,

thank you for your fast reply.

 > If I might suggest, and if possible, you might want to set up a serial
 > console for the box so that you can copy and paste debugger output.

I'll assemble a serial cable and recompile the kernel with debugging 
components and come back to you as soon as I've got more details on that.

 > Could you try compiling and running without the PREEMPTION kernel 
option?

I've already build the kernel with SCHED_4BSD but without PREEMPTION 
(_never_ had PREEMPTION in my kernel config - should I try it?).

 > A couple of bugs relating to this error were introduced and then fixed.
 > In particular, could you confirm that you have at least revision 1.165 of
 > udp_usrreq.c, or 1.162.2.2 of udp_usrreq.c?  The merge to RELENG_5
 > happened on 8/30 so you should have it, but it's worth confirming.

my /usr/src/sys/netinet/udp_usrreq.c has:
* $FreeBSD: src/sys/netinet/udp_usrreq.c,v 1.166 2004/09/05 02:34:12 jmg 
Exp $

 > Could you try booting and running the system with debug.mpsafenet=0 in
 > loader.conf?
debug.mpsafenet is already 0

 > Is this an SMP box?

No, first board had P-III 600 MHz, second had AMD k6/2-500, both single CPU.

 > Probably the most valuable information would be the stack traces as 
indicated above, however.

Will make the serial cable and come back to you (takes some hours...).

Thanks,

Volker

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