Messages in this thread | | | Subject | Re: [CFT] Bus mastering support for IDE CDROM audio | From | Ed Sweetman <> | Date | 27 Jan 2002 14:54:21 -0500 |
| |
You might want to try sending your cdroms into sleep when dma mode wont work anymore. That usually fixes things for me. hdparm -Y ....the kernel should wake them up immediately and things should work again.
On Sun, 2002-01-27 at 05:19, Kristian wrote: > Hello again. > > Ok. Sorry. My fault. The second patch produces the same throughput... I didn't realized that the kernel disabled DMA during rebooting. My drives only went to DMA again after a cold boot. Don't know what's going on here. But after a normal reboot, my drives are in PIO only and don't support DMA. > > cdparanoia on /dev/scd0 now gives the same result as with the first patch. > real 1m8.055s > user 0m6.740s > sys 0m2.850s > > *Kristian > > :... [snd.science] ...: > :: > :: http://www.korseby.net > :: http://gsmp.sf.net > :.........................:: ~/$ kristian@korseby.net : > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |