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Re: R: problems using DMA



On Thu, 2002-12-05 at 18:30, Stefano Vicenzetto wrote:
> Q) I think you may be affected by the DMA cache bug (refer to ethernet
> driver etc).
> A) We did experience the ethernet bug, but after the 2.4.19 kernel upgrade
> on the ethernet side the system began working fine with the Etrax 100 LX
> board.

Just to clarify: The bug in question affects all DMA channels, not just
the ones used by the Ethernet interface. You may want to look at the
Ethernet driver and implement a similar work-around in your driver.