Messages in this thread |  | | Date | Wed, 4 Sep 2002 11:49:45 -0400 | From | Benjamin LaHaise <> | Subject | Re: IDE-DVD problems [excuse former idiotic topic] |
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On Wed, Sep 04, 2002 at 08:48:00AM -0700, Joseph N. Hall wrote: > * Performance is terrible > * booting with noapic makes no difference > * Performance seems to indicate some kind of difficulties in > the kernel, perhaps connected to interrupt handling
That's what happens when DMA isn't being used: the kernel spends lots of time copying data from the drive in the interrupt handler and not allowing userspace to execute.
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