Messages in this thread | | | Date | Sun, 26 Feb 2006 19:49:38 +0100 | From | "Jesper Juhl" <> | Subject | Re: hda: irq timeout: status=0xd0 DMA question |
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On 2/26/06, Robert Hancock <hancockr@shaw.ca> wrote: > Henrik Persson wrote: > > Does happen once or twice a year.. Probably something funky with the > > cabling or some power-related issues. > > > > Anyway, I would be happy if the IDE driver would "just not do that". :) > > I can see the reasoning where the device just doesn't function properly > with DMA at all (like on some Compact Flash-to-IDE adapters where the > card claims to support DMA but the DMA lines aren't wired through in the > adapter properly). In that case not disabling DMA would render it > useless. The IDE layer could keep track of whether DMA was previously > working on that device however, and not disable DMA on reset if it had > previously been working. > That might be even better than an option to tell the driver "I don't want you to disable DMA on reset".
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