System fails to reboot or poweroff following upgrade to FC4

[Andy Green]

Marcus O. White wrote:

>>>Have a poke through
>>>
>>>dmesg | less
>>>
>>>looking for errors during the kernel boot - especially regarding the
>>>BIOS - for clues.

>>dmesg. Here are the shutdown messages:

I actually meant during the boot action.

Usually these problems are to do with ACPI or APM as you initially tried
and are sensitive to kernel versions too, maybe worth trying a later
kernel from here:

http://download.fedora.redhat.com/pub/fedora/linux/core/updates/testing/4/i386/

> The system hangs on the reboot (/sbin/halt) command. Could this problem
> be related to the chipset? I upgraded a Dell 9100 laptop from FC3 to FC4
> also using the yum procedure and it reboots and shuts down normally. The
> problem system uses a SOYO SY-P4VGM motherboard. I've tried selinux=0 on
> the boot line to eliminated selinux as the culprit.

Can it be some BIOS-related problem on this cheapo motherboard?  Are
there any BIOS settings to tweak?  BIOS updates?

-Andy
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