Comment 9 for bug 407824

Booting with ACPI disabled sounded like it caused performance issues, but
comment #36 <http://bugzilla.kernel.org/show_bug.cgi?id=13940#c36> (
http://bugzilla.kernel.org/show_bug.cgi?id=13940#c36) sounded promising:

On the bright side, booting with pci=use_crs in both the latest kernel and
2.6.31 fixes the problem.

On Fri, Oct 16, 2009 at 6:32 AM, acidbits <email address hidden> wrote:

> Problem is'nt ethernet/wireless controller drivers. Problem comes from
> 2.6.31 (in 2.6.30 it worked) kernel & memory allocation when ACPI is
> enabled.
>
> I tried changing laptop's wireless card for an atheros, and problem was
> still there.
>
> You can either:
>
> - Boot kernel with ACPI disabled, as stated ad bugzilla.kernel.org.
> (haven't tried)
> - Patch and build a new kernel, even if it is 64bit.
> - Wait till the patch is included in a karmic kernel update.
> - Use a USB wireless dongle. I did to get linux source, and kernel tools to
> build a new one.
>
> Cheers
>
> --
> BOTH Network controller: Intel Corporation Wireless WiFi Link 5100 AND
> Ethernet controller: Marvell Technology Group Ltd. 88E8040T PCI-E Fast
> Ethernet Controller (rev 12) FAIL TO LOAD!
> https://bugs.launchpad.net/bugs/407824
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> of the bug.
>