DragonFlyBSD

Correct. I also noticed that when the login prompt is put on screen, the
num lock -indicator (on keyboard) is on and right after I try to write
something, the light goes off.

I meant that OS freezes ONLY when ACPI is enabled. The issue was that I
wanted to use single user mode and when I choose it from menu, system
freezed then too and I didn't know how to get to single user mode with
ACPI disabled, but now I do. ;-).

(1) So you want me to do the following:
1. Select 6 (Escape to loader prompt) from menu,
2. type boot -v ENTER and
3. reboot (from freeze) and send the content of dmesg to you?

(2) Isn't the content of dmesg ONLY from latest boot?

Keyboard works fine when option 6 is selected. ;-)

Correct. I also noticed that when the login prompt is put on screen, the
num lock -indicator (on keyboard) is on and right after I try to write
something, the light goes off.

I meant that OS freezes ONLY when ACPI is enabled. The issue was that I
wanted to use single user mode and when I choose it from menu, system
freezed then too and I didn't know how to get to single user mode with
ACPI disabled, but now I do. ;-).

(1) So you want me to do the following:
1. Select 6 (Escape to loader prompt) from menu,
2. type boot -v ENTER and
3. reboot (from freeze) and send the content of dmesg to you?

(2) Isn't the content of dmesg ONLY from latest boot?

Keyboard works fine when option 6 is selected. ;-)

EDIT

(3) Does /var/log/messages adapt to your needs?

[sorry, this message has been in my +postponed folder ...]
On Tue, Mar 06, 2007 at 05:35:46PM +0200, Tero M?ntyvaara wrote:

So ... your keyboard does not work when you boot straight into the
single user mode, whether with or without ACPI driver enabled, right?
If not, I have no idea what this part really means:

But If I boot to non-ACPI-mode, everything works
just fine, but I can't get to sigle user mode, because prompt freezes
there too...

I meant that OS freezes ONLY when ACPI is enabled. The issue was that I
wanted to use single user mode and when I choose it from menu, system
freezed then too and I didn't know how to get to single user mode with
ACPI disabled, but now I do. ;-).

Ah, that makes sense, now I understand it :) By the way, when you boot
it with ACPI enabled and the keyboard doesn't work, can you login via
ssh from another computer? If that works, I'd like you to send me the
following files gzip'ed.
- /var/run/dmesg.boot from the `boot v' with ACPI enabled, and
/var/run/dmesg.boot from the `boot -v' with ACPI disabled

Probably it depends on the hardware. If /var/run/dmesg.boot contains
something above Copyright lines after reboot, then it preserves the
content before reboot.

No, because the message won't get written to /var/log/messages
unless syslogd is running.

Cheers.

NP. ;-)

Here is my logs with and without ACPI. I used command

set hint.acpi.0.disabled=1

to disable ACPI in boot prompt.

Hope you can find fix with these. :-)

I believe that recent snapshot or Preview should solve this issue.

There was an ACPI upgrade recently.
Can you please try to boot the machine with the latest devel snapshot ISO?