On Tue, 2008-02-12 at 22:12 +0000, Alan Cox wrote: > > Has anyone else reported a problem like this? It requires > > non-coherent DMA, and a lack of a cache invalidate instruction, and > > one of the drivers that has this problem (it looks like sata_qstor > > does too, I haven't looked at others), so maybe that doesn't cover > > any other architectures. > > Nobody has, not even PA-RISC which is normally guaranteed to make life > miserable in the caching area but I agree entirely with your diagnosis > and that buffer should indeed be marked cache aligned I tell you what ... find me a parisc box that actually has IDE and we might have told you ... (actually, the pa8800's have IDE CD's on a cmd640 chip, but that oopses on boot for no reason we've tracked yet). James - 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
