On 2011-09-07 12:53, m...@freebsd.org wrote:
For my immediate purposes, I'd be happy with any way in which I could
> brutally kill the kernel and force it to the debugger, say by replacing the
> panic call with a printf followed by "1/0;". But I'm a little confused by
> the panic.c code -- it prints the arguments using a var_args, and then calls
> "exit(1);'
What file are you looking in? The kernel panic() is in
sys/kern/kern_shutdown.c, not sys/boot/common/panic.c. It will
optionally call kdb_enter_why() and then boot().
Bingo, that's got to help. This makes a lot more sense.
Do you have the debug.debugger_on_panic sysctl set to 1?
Yes -- and panic does so *except* in the version with those changes to
queue.h.
Thanks,
matthew
--
Charles R. (Charlie) Martin
Senior Software Engineer
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