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From: Justin Piszcz on 3 Jan 2010 16:50


On Sun, 3 Jan 2010, Christian Hofstaedtler wrote:

> Hi,
>
> In regard to the DP55KG board having reboot [1] and HPET [2] issues,
> have you seen any fixes (from Intel?) for these problems?
>
> I now own such a board and see the same stuff on a distro-patched
> 2.6.31.6.
>
> Thanks,
> Christian
>
> [1] http://thread.gmane.org/gmane.linux.kernel/903161/
> [2] http://thread.gmane.org/gmane.linux.kernel/913374
>
> --
> christian hofstaedtler
>

Hello Christian,

The work around for the reboot [1] issue is append this to your kernel
boot options in lilo/grub:

reboot=a

For the HPET [2] issues, from what I understand it is nothing to be
worried about.

There is also a USB issue (will not work correctly with iPods/or UPS) the
only work-around there is to buy a USB card.

You can read that here:
http://communities.intel.com/message/76837#76837

Summary:

1. Use reboot append line in lilo/grub.
2. Do not worry about it (is what I am told, its normal)
3. Buy a USB PCI(-e) card if you want to use USB for anything beyond a
keyboard/mouse.

Justin.
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From: Arjan van de Ven on 3 Jan 2010 18:10
On Sun, 3 Jan 2010 16:40:38 -0500 (EST)
Justin Piszcz <jpiszcz(a)lucidpixels.com> wrote:

>
>
> On Sun, 3 Jan 2010, Christian Hofstaedtler wrote:
>
> > Hi,
> >
> > In regard to the DP55KG board having reboot [1] and HPET [2] issues,
> > have you seen any fixes (from Intel?) for these problems?
> >
> > I now own such a board and see the same stuff on a distro-patched
> > 2.6.31.6.
> >
> > Thanks,
> > Christian
> >
> > [1] http://thread.gmane.org/gmane.linux.kernel/903161/
> > [2] http://thread.gmane.org/gmane.linux.kernel/913374
> >
> > --
> > christian hofstaedtler
> >
>
> Hello Christian,
>
> The work around for the reboot [1] issue is append this to your
> kernel boot options in lilo/grub:
>
> reboot=a

btw this can be automated... just needs a DMI quirk.
someone needs to get dmidecode output and add it to the existing
table of reboot= quirks...



--
Arjan van de Ven Intel Open Source Technology Centre
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From: Yuhong Bao on 4 Jan 2010 00:50

> btw this can be automated... just needs a DMI quirk.
> someone needs to get dmidecode output and add it to the existing
> table of reboot= quirks...
>
>
>
> --
> Arjan van de Ven Intel Open Source Technology Centre

Note BTW that this is one of Intel's own motherboards!
In fact, I also have read about Intel's own DG45FC board having EHCI handoff trouble with Linux.

Yuhong Bao

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