On Tue, Sep 12, 2000 at 11:37:57PM -0700, David Ford wrote:
> > > 4. Boot Time Failures
> > >
> > > * Use PCI DMA 'lost interrupt' problem with some hw [which ?] (NEC
> > > Versa LX with PIIX tuning)
> >
> > If this is a rare version of the BX/LX that has a no fix errata, then it
> > will be messy to issue resets to get out of the loop.
> >
> > > * PIIXn tuning can hang laptop (2.4.0-test8-pre6, David Ford)
> >
> > Need more details of how APM/ACPI is dorking with DMA settins by the OEM.
>
> These two are both reported by me, are the same issue. The exact same kernel,
> one with PIIXn tuning enabled, will hang the hardware on boot requiring a
> physical power loss to restart.
>
> No tuning options applied, only the capability enabled in the kernel, makes it
> crash.
>
> If necessary I can again provide the boot log and a verbose lspci and whatever
> else is desired. I'll even let you log in and look at it.
I can look into this. I don't guarantee I'll find the problem, but I've
got all the PIIX datasheets handy now and some time on my hands ...
-- Vojtech Pavlik SuSE Labs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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