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SubjectRe: 2.6.24-rc8 hangs at mfgpt-timer
On Thu, 17 Jan 2008 10:54:30 +0100
Arnd Hannemann <hannemann@i4.informatik.rwth-aachen.de> wrote:

> Andres Salomon schrieb:
> > On Wed, 16 Jan 2008 16:19:12 -0500
> > Andres Salomon <dilinger@queued.net> wrote:
> >
> >> On Wed, 16 Jan 2008 18:44:07 +0100
> >> Arnd Hannemann <hannemann@i4.informatik.rwth-aachen.de> wrote:
> >>
> >>> Hi,
> >>>
> >>> I'm trying to boot 2.6.24-rc8 on a GEODE LX board (ALIX.3),
> >>> and it hangs during boot:
> >>>
> >>> [ 12.689971] NET: Registered protocol family 16
> >>> [ 12.703329] geode-mfgpt: Registered timer 0
> >>> [ 12.716149] mfgpt-timer: registering the MFGT timer as a clock event...
> >>>
> >>
> >> What BIOS are you using? It's possible that our detection code is
> >> failing to detect in-use timers.
>
> I'm using v0.99 (latest available).


v0.99 of what? Jordan seems to think it's an Award BIOS, but I'd like
to make sure.


> Also note when I do enable the mysterios "MFGPT workaround" option in
> the bios the machine hangs directly after:
> [ 36.780990] NET: Registered protocol family 16


"MFGPT workaround"? That sounds a bit frightening.

Presumably, the BIOS is using the MFGPTs, but we're not detecting them as
being in use.

I'm assuming that booting with 'nomfgpt' works for you?


>
> >
> >
> > Also, could you provide a log with the following (untested) patch? I'm
> > curious how many MFGPTs we're actually detecting as being available, and
> > the existing code is backwards.
>
> The relevant part would be:
> [ 23.092507] NET: Registered protocol family 16
> [ 23.105875] geode-mfgpt: 8 MFGPT timers available
> [ 23.120247] geode-mfgpt: Registered timer 0
> [ 23.133076] mfgpt-timer: registering the MFGT timer as a clock event.
>
> Best regards,
> Arnd Hannemann
>


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