kernel panics in recent RELENG_5

Alexander S. Usov A.S.Usov at
Fri May 6 08:07:35 PDT 2005

Thomas-Martin Seck wrote:

> * Alexander S. Usov <A.S.Usov at>:
>> 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 (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.

I my case I got it working by booting with ACPI off.

> Reverting kern/tty.c to does the trick for me.
> I do not get a panic, fortunately(?).

I am getting panic by pressing a key when nobody listens the terminal.
I have just submitted a trace.

Best regards,

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