Messages in this thread | | | Date | Wed, 13 Sep 2000 09:54:53 -0700 (PDT) | From | Andre Hedrick <> | Subject | Re: Update Linux 2.4 Status/TODO list |
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On Wed, 13 Sep 2000, Alan Cox wrote:
> > > * 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. > > Case 1 I've seen is assuming windows put the drive back into PIO no multimode > before letting the bios suspend (for suspend to disk) > Case 2 I've seen is coming back from the BIOS with the controller in PIO > non multimode and forgetting the previous settings
This is why I was wanting to buffer setting in the driver and offer APM/ACPI the callout to prevent this. Again you would have the option of invoking spin-up by APM attempts or using taskfile commands to brut force it into life.
Cheers,
Andre Hedrick The Linux ATA/IDE guy
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