Messages in this thread |  | | | Date | Tue, 11 Aug 2009 20:12:06 +0100 | | From | Alan Cox <> | | Subject | Re: How to disable DMA for compact-flash disk? |
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On Tue, 11 Aug 2009 11:51:18 -0700 Ben Greear <greearb@candelatech.com> wrote:
> I'm trying to use Fedora 11 with default kernel on an old via system > that boots from compact flash. DMA is not supported on the CF for > whatever reason, and in previous kernels, I've always disabled > DMA, first with ide=nodma, and then later with > ide_core.nodma=0.0 ide_core.nodma=0.1 ...
Fedora switched to libata some releases ago so
libata.dma=n
0 - off 1 - disk only
+ 2 disk/CD + 4 disk/CD/CFA
(so you can turn DMA off just for CFA devices providing they admit they are CFA)
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