Apple ATA DMA problems with ATAPI

Marcel Moolenaar xcllnt at mac.com
Sun Mar 22 13:41:20 PDT 2009


On Mar 22, 2009, at 11:06 AM, Justin Hibbits wrote:

> Well, it seems I was bitten by the ATA DMA problems from a few  
> months back.

Try disabling DMA for atapi in /boot/loader.conf and enable
it in /etc/sysctl.conf. For some reason, on my Mac Mini at
least, it helps to first program PIO and then program *DMA.

YMMV,

-- 
Marcel Moolenaar
xcllnt at mac.com





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