Reposted to -HACKERS
Hiya...
I am having an issue with the wd driver (from FBSD 3.51). Once a customer
kernel (having the flags 0xa0ffa0ff for wd) is booted, I get screen-full's
of this error message when there is any hard drive access:
DMA failure, DMA status 5<active>
I can "slow down" or degrade my DMA settings in the BIOS to avoid this
message, but I'm sure I am taking a performance penalty in doing this.
For more history, please refer to:
http://www.freebsd.org/cgi/mid.cgi?db=mid&[EMAIL PROTECTED]
... where this was covered back in December 1999 - I had hoped that this
would have been resolved by now.
System hardware - Maxtor UDMA66 drive, motherboard only supports UDMA33
however, so that's not really an issue.
My question ... can I use the ad driver from 4.x with 3.51-RELEASE? This
problem doesn't occur under 4.0 or 4.1-RELEASE/STABLE. If this is possible
... how?
Thanks for any thoughts (or even solutions) :)
Regards ... Jamie
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