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    SubjectRe: 2.6.24-rc8 hangs at mfgpt-timer
    On Thu, 17 Jan 2008 20:53:57 +0100
    Arnd Hannemann <hannemann@i4.informatik.rwth-aachen.de> wrote:

    > Andres Salomon schrieb:
    > > 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.
    >
    > Its an ALIX board from PCEngines, they have their own BIOS
    > implementation (tinyBios).
    > http://www.pcengines.ch/alix.htm
    >

    Ah, okay. I couldn't find anything about MFGPTs in the available
    source, but I did find the following:

    http://article.gmane.org/gmane.linux.distributions.voyage.general/1824

    It would appear that something between 0.90 and 0.92 changed that
    has broken things. There's also a changelog here:

    http://forum.pfsense.org/index.php?topic=6729.15

    Note two MFGPT-related entries in 0.92:

    - disable CS5536 diverse device power management to avoid
    MFGPT /
    interrupt issues.

    - MFGPT issues: please observe AMD CS5536 data book section
    5.16.3,
    incorrect initialization sequence can HANG the system.


    I'm assuming the first is messing w/ DIVIL_GLD_MSR_PM...




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