problems booting recompiled 5.4-kernel (Was: amd64 does not see all 4 GB RAM on tyan GT24)

Kris Kennaway kris at
Tue Nov 8 23:57:03 PST 2005

On Tue, Nov 08, 2005 at 07:16:52PM +0100, Claus Guttesen wrote:
> > >>>> Just received a Tyan GT24 with a S2891 board. In the
> > >>>> bios-setup-utility the board has 4 GB RAM, but when FreeBSD 6.0
> > >>>> release boot it only recognizes 3 GB. Dmesg:
> I have problems booting a recompiled kernel with FreeBSD 5.4 stable. I
> thought it was related to enabling smp in the kernel, but I have just
> rebuild kernel without smp (and rebuild world as well) and the server
> did not come back up.
> When I rebooted a recompiled kernel it stopped with calcru negative
> time so I tried to change kern.timecounter.hardware to i8254 in
> /boot/loader.conf, but it seems to ignore my hint. Doing a sysctl
> kern.timecounter.hardware (when booting the original kernel from the
> installation) shows ACPI-fast.
> I added CPUTYPE=k8 to /etc/make.conf.
> I unfortunately don't have access to the console until tomorrow.

Undo the changes you made to the kernel (or go back to GENERIC) and
other configuration and verify that it works again.  If so, that means
you may have made a mistake in those changes.

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