Messages in this thread |  | | | Date | Sat, 9 Oct 2004 02:50:38 +0200 | | From | Bartlomiej Zolnierkiewicz <> | | Subject | Re: Problem with ide=nodma |
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On Sat, 9 Oct 2004 01:44:57 +0100 (BST), Ken Moffat <ken@kenmoffat.uklinux.net> wrote: > On Sat, 9 Oct 2004, Bartlomiej Zolnierkiewicz wrote: > > > On Sat, 9 Oct 2004 00:32:01 +0100 (BST), Ken Moffat > > <ken@kenmoffat.uklinux.net> wrote: > > > Hi, > > > > > > I'm trying a sii 0680 disk controller at the moment, as a possible > > > workaround for some via southbridge problems (this is on a ppc which > > > isn't yet supported by the official kernels, but it has been stable here > > > since 2.6.7 and looks nearly ready for a first review). Unfortunately, > > > DMA is a big no go at the moment so I have to pass ide=nodma in the > > > bootargs. > > > > > > I've got the drives plugged into the sii card, and ide=reverse is doing > > > its job. But although dmesg shows that dma has been turned off, > > > > Is it possible that you are reading it wrong? > > I don't think so, and the box is a lot more responsive. dmesg shows > > ide_setup: ide=nodmaIDE: Prevented DMA
This is misleading as drivers are free to override this setting. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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