On Thu, 23 Oct 2003 11:24:02 -0400 Marshall Heartley <[EMAIL PROTECTED]> probably wrote:
> <snip> > > Try tweaking it up to, say, WDMA2, etc. and see what happens... > > OK I changed it to WDMA2 and it seems to behave! Well I went a little > further and changed it back to UDMA33 and slowed the ad0 drive to > UDMA33. It was previously set at UDMA66. Did the copy operation again, > it did not show me any errors. > > I am assuming here that FreeBSD does not like drives with different > speeds on the same bus??? Is my assumption correct?? From what little > bit of fooling around that I did seems to support this. When putting > everything back to the defaults, I start seeing the messages again. > > Interesting huh? One of the drives ad0 is capable of ATA100 though my > motherboard is not capable of that. It uses UDMA66 and this transfer > mode works well in other OS's. The drive that is driving me nuts the > ad1 is only capable of UDMA33. > > This info may/maynot help but it might get one to thinking what could be > causing this. \From ata(4) manpage: man> The use of UDMA4(66MHz) and higher together with non-UDMA4 devices on the man> same ATA channel is not recommended, unless they are run at the non-UDMA4 man> device's lower speed. The driver has been designed to handle that kind man> of setup but lots of older devices do not like this. > Thanks for the help so far! > > Marshall > > _______________________________________________ > [EMAIL PROTECTED] mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "[EMAIL PROTECTED]" > -- DoubleF One Page Principle: A specification that will not fit on one page of 8.5x11 inch paper cannot be understood. -- Mark Ardis
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