From owner-freebsd-alpha  Tue Mar  2  2:44:23 1999
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Date: Tue, 2 Mar 1999 11:44:03 +0100
From: Thomas Pornin <pornin@bolet.ens.fr>
To: freebsd-alpha@freebsd.org
Subject: dmesg segfaults
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Hello,

I installed the 0206 snapshot on a Multia. I found some little bugs, and
one more embarrassing, but maybe I am just dumb:

-- netboot did not work. The netboot program could not find the ethernet
   address, and, if I set it up manually (with setnetbootinfo on another
   station), it did emit bootp requests, that were answered (according
   to tcpdump) but netboot claimed it never received any answer. Maybe
   my firmware is too old, or something like that. Sending "boot.flp"
   through the net instead of "netboot" did not work too, so I had
   to boot the Multia under Linux and dump boot.flp on the harddisk,
   and then boot from it (the floppy drive is out of order).

-- All my "post-installation configuration" disappeared into an unknown
   void, and I had to edit rc.conf at the next boot. Not a real problem.

-- I wanted to add a getty for the vt220 I used for installation, therefore
   I modified /etc/ttys, and did "kill -HUP 1". This did not work; but
   a reboot fixed it. Apparently, init does not reread /etc/ttys when it
   receives a HUP signal.

-- Here comme the annoying problem: whenever I recompile and boot on a
   new kernel, that has not the "GENERIC" configuration, dmesg, kvm_mkdb,
   netstat -r, and probably other utilities die with a segfault. The
   machine is otherwise functionnal. The only change I seem to be able
   to do in the config file without triggering this effect is commenting
   out the 'cpu "EV5"' line. Is this a known problem ? Or am I just
   doing something completely the wrong way ?

I have also some questions about modules. Namely, the distribution comes
with several .ko files in /modules. I am wondering:
-- are modules automatically inserted when needed, or must I do an
   explicit "kldload" ?
-- how do I compile some parts of the kernel as modules ? I would like
   to get the smallest kernel as possible (I only have 24 MB ram, this is
   not much on a Multia)
-- is there anywhere a more accurate and complete documentation than the
   handbook, that I could read instead of bothering this list ?

Anyway, thanks for the good job and for any information.

	--Thomas Pornin


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