Forgot one other possibility... 2009/4/7 Grant Grundler <grundler@xxxxxxxxxx>: .... > My first impression: the bug is either allocdma exists instead of using > DMA API (See Documentation/DMA-API.txt) OR the documentation for > allocdma is missing warnings about "this could break your system" > and clearly specify when it should be used. or it's a bug in allowdac implementation. BTW, this whole thread probably needs to be re-posted to either linux-pci or linux kernel. I don't think linux-ide is the right place to resolve this. grant -- 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