Chuck Ebbert wrote: > On 08/22/2007 06:37 PM, Alan Cox wrote: >> This is useful when debugging, handling problem systems, or for >> distributions just to get the system installed so it can be sorted >> out later. >> >> This is a bit smarter than the old IDE one and lets you do >> >> libata.pata_dma=0 Disable all PATA DMA like old IDE >> libata.pata_dma=1 Disk DMA only >> libata.pata_dma=2 ATAPI DMA only >> libata.pata_dma=4 CF DMA only >> >> (or combinations thereof - 0,1,3 being the useful ones I suspect) >> > > This doesn't help distro installers with modular libata, as there's > no good way to get the parameter to the driver. (libata.pata_dma=0 > just causes "unrecognized parameter" message on boot.) Dunno how all those initrd black magics work but SUSE initrd manages to deliver "module.param" parameters on kernel command line to respective modules in initrd. I don't think it gets to modules which are loaded after root is mounted tho. -- tejun - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
