Freeze during booting when ACPI enabled

[Rick Stevens]

On 08/12/2010 10:00 AM, Mats Rauhala wrote:
> This problem has been occuring for a longer time and with multiple
> kernels. During booting _most_ of the time, not always the computer
> freezes during early stages. With other distros the the booting has
> stopped after giving out a couple of "HT MSI Mapping" lines, but with
> fedora (noquiet) I can only see some power button information. This
> happens only when ACPI is enabled.
>
> I could theoretically leave acpi off but it's PITA to manually shut down
> the computer from the power button every time.
>
> MSI K9n ultra.

Make sure the BIOS on the motherboard is current.  Many have iffy or
non-standard ACPI implementations which the kernel doesn't like.
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