Messages in this thread | | | Date | Sun, 03 Aug 2003 14:46:51 -0400 | From | Ed Sweetman <> | Subject | Re: Fast DMA CD audio extraction |
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Ed Sweetman wrote: > Tom Felker wrote: > >> Hi, >> >> I'm trying to get decent performance (e.g. DMA, not PIO) extracting >> audio with cdparanoia from an new IDE CD-ROM. The current problem is >> very slow ripping and very high system CPU time. hdparm reports DMA >> is on, and reading data is perfectly fast. >> >> What kernel versions and patches should I be trying? >> >> (Please cc: me, emailing in reply to linux.kernel posts munges threading) >> Thanks, >> Correction, magellon's tree, designated by the -jam extension.
> akpm's kernel trees have the ide-dma patch that enables dma in raw mode. > Works quite nicely but i'd only use it on really prestine cds. DMA by > it's nature doesn't give the best error reporting when dealing with raw > data cds like audio cds. I've never had a problem with it though, even > on cds with scratches. >
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