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

[Ed Sweetman]

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
> 
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