Re: [CFT] Bus mastering support for IDE CDROM audio

Ed Sweetman
2002-01-27T19:54:53Z

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] ...:
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