Clemens Ladisch kirjoitti: > Hannu Savolainen wrote: > >> If full 32 bit DMA buffer allocation is cousing problems then the >> SB X-Fi driver needs to be changed to request low memory buffers only. >> However my understanding is that X-Fi supports full 32 bit DMA range. >> > > The Audigy chips are supposed to support 32 bits too, but don't actually > work with more than 31 bits. Apparently (but not in the least > surprisingly), the X-Fi chips have the same bug. > > Actually Audigy supports 32 bits properly (but requires some tricks in the driver). Live! doesn't suport ful PCI addres range and this is documented feature (not a bug).
X-Fi is supposed to support full 32 bit PCI address space (unless there are some bugs). In addition it can support 64 bit addresses if the page size is set to 8k instead of 4k (not implemented in OSS). Best regards, Hannu _______________________________________________ oss-devel mailing list oss-devel@mailman.opensound.com http://mailman.opensound.com/mailman/listinfo/oss-devel
