On Thu, Aug 09, 2007 at 11:34:58PM +0100, Alan Cox wrote: > > Where does the device come from? What device is it? > > At the higher level someone passed us a device and some mappings and > function methods and said "this is an IDE controller" Ok you're stabbing in the dark. I guess more debugging is needed. > > But at least on x86-64 the device is likely DMA capable. At least > > PCMCIA usually is. Near all devices are DMA capable, except perhaps > > PCMCIA usally isn't. Hmm? > I don't want to know about arch internals. I don't want to know about > platform specific DMA rules. I just want to be able to ask for DMA and > get told yes or no. Oops is not a useful error return. I'm not blaming libata here, just whoever gave that bogus device to it. -Andi - 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
