[Fedora-livecd-list] Re: booting from non-DMA IDE CF card

[Thorsten von Eicken]

Thorsten von Eicken wrote:
> I am trying to boot off a CF card plugged into an IDE adapter and the 
> card doesn't support DMA. The problem is that with the new libata stuff, 
> the traditional "ide-nodma" kernel option doesn't do anything. How do I 
> turn DMA off so it boots properly. As it is, it tries MWDMA2 mode, fails 
> a few times, switches to MWDMA1 mode, but never goes down to PIO. 
> Apologies if this a FAQ, but couldn't find a solution anywhere.

Replying to myself in case someone else has the same problem in the 
future. I ended up compiling the old ATA/IDE drivers into the kernel and 
omitting the new libata (PATA/SATA) drivers from the kernel. I also 
added ide=nodma to the kernel boot string.

Thorsten