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From: tmseck-usenet@netcologne.de (Thomas-Martin Seck)
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cc: dwhite@freebsd.org
cc: "Alexander S. Usov" <A.S.Usov@kvi.nl>
Subject: Re: kernel panics in recent RELENG_5
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* Alexander S. Usov <A.S.Usov@kvi.nl>:

> It look that something was broken in the last few days in
> RELENG_5 branch. I am getting reproducible panics by pressing
> almost any key while system is booting or is in shutdown.
> Once it is up -- it works mostly fine.
> Also I noted that the keyboard was not working on my laptop
> while in the booting phase -- so after I managed to get a second
> panic doing fsck, I was unable to do anything in single-user mode.
> The only working keys I found were ScrollLock/Pause and
> Ctrl-Alt-Del :) Howewer rebooting it with acpi turned off I managed
> to get it working.

I can probably confirm this. When I boot a RELENG_5 kernel that uses
version 1.228.2.4 (committed by dwhite, Cc'ed) of /sys/kern/tty.c, I do
not get beyond init's "select shell" prompt. The keyboard attaches
properly though and Ctrl-Alt-Del and Scroll Lock do still work, too.

Reverting kern/tty.c to 1.228.2.3 does the trick for me.

I do not get a panic, fortunately(?).