Regression 7.0R -> 7-stable?

Gerrit Kühn gerrit at
Tue Oct 7 15:07:53 UTC 2008

On Tue, 7 Oct 2008 07:25:42 -0700 Jeremy Chadwick <koitsu at>
wrote about Re: Regression 7.0R -> 7-stable?:

JC> > Like it was before: system just hangs after displaying the probing
JC> > messages about the CPU cores; next step for a working kernel would
JC> > be mounting of the file systems (and changing from white kernel
JC> > output to grey system output).

JC> Actually, I think you mean mounting of the root filesystem, do you not?
JC> If so, others have recently reported this problem (hard lock-ups
JC> before or after printing "Mounting root from...").

Yes, of course (sorry for being vague).

JC> > JB> When you get a hang, can you break into the debugger and get a
JC> > JB> crash dump?

JC> > Is there a documentation somewhere how to do this?

JC> John can probably help you with the commands you need to type, but the
JC> FreeBSD Handbook goes over the general commands.
JC> As far as getting into the debugger, it's Control-Alt-Esc from the
JC> console.

Ok, I added options KDB and DDB to my kernel configuration and compiled
with SCHED_ULE. However, after hanging the system does not react on
Ctrl-Alt-Esc. Am I missing something?


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