On Sun, 16 Dec 2007 19:06:04 +0100 Oliver Joa <[EMAIL PROTECTED]> wrote:
> Hi, > > how can I tell the kernel not to probe DMA for a specific harddisk (e.g. > hda). My first Drive (hda) is a Compact-Flash Card which can not do DMA. > The kernel tries at boot to switch to DMA but fails. If I use ide=nodma, > the kernel boots about 2 minutes faster, but then I can not switch on > DMA for the second Drive (hdc) which is a normal Harddisk. Do I have to > live with this 2 minutes waiting time or is there another solution? I > did not find any kernel-parameter for this purpose. > > Sorry if I ask here, but I can not find any solution, and I asked > already in other groups. For the current kernel and libata you can use libata.dma=3, and it will select DMA for disk (1) + CD (2) but not CF cards. With the older IDE it should be sufficient to use hda=nodma Alan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
