FreeBSD 6.1 Tor issues (Once More, with Feeling)

[Fabian Keil]

Robert Watson <rwatson at FreeBSD.org> wrote:

> On Tue, 27 Jun 2006, Fabian Keil wrote:
> 
> > There was a "request" for Tor related problem reports a while ago,
> > I couldn't find the message again, but I believe it was posted here.
> 
> I'm very interested in tracking down this problem, but have had a lot
> of trouble getting reliable reports of problems -- i.e., ones where I
> could get any debugging information.  I had a similar conversation on
> these lines yeterday with Roger (Tor author) here at the WEIS
> conference.  If this is easily reproduceable, I would like you to do
> the following:

> - Does the hang occur?  If so, use a serial break to get into DDB,
> see the above.

I previously had the serial console misconfigured and I'm still not
sure if the settings are correct now.

So far I put "BOOT_COMCONSOLE_SPEED=57600" in /etc/make.conf,
"options CONSPEED=57600" in the kernel and "console=comconsole"
in /boot/loader.conf. Kernel and bootblock were recompiled
and reinstalled. /boot.config contains the line:
"-D -h -S57600" (speed setting through make.conf didn't work).

The boot process now starts with:

PXELINUX 3.11 2005-09-02  Copyright (C) 1994-2005 H. Peter Anvin
Booting from local disk...

1   Linux
2   FreeBSD
3   FreeBSD

Default: 2 

/boot.config: -DConsoles: internal video/keyboard  serial port  
BIOS drive C: is disk0
BIOS 639kB/523200kB available memory

FreeBSD/i386 bootstrap loader, Revision 1.1
[...]

After manually triggering a test panic through debug.kdb.enter
I could enter ddb and everything seemed to be working.

However today I got another hang and couldn't enter the debugger
by sending BREAK. It is the same BREAK ssh sends with ~B, right?

Even after rebooting, sending break didn't trigger a panic,
so either I'm sending the wrong BREAK, or my console settings
are still messed up. Any ideas?

Fabian
-- 
http://www.fabiankeil.de/
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