Date: 30 Mar 2005 09:41:55 -0500 From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org> To: Perttu Laine <plaine@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: ata driver. Message-ID: <448y4542mk.fsf@be-well.ilk.org> In-Reply-To: <c6ef380c05033005231c456e6b@mail.gmail.com> References: <c6ef380c050330021130bd796@mail.gmail.com> <c6ef380c05033005231c456e6b@mail.gmail.com>
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Don't top-post, please. Perttu Laine <plaine@gmail.com> writes: > On Wed, 30 Mar 2005 13:11:24 +0300, Perttu Laine <plaine@gmail.com> wrote: > > Could there be problem in FreeBSD 5.x (specially in 5.4) ata driver > > that causes dma timeouts? mostly those problems in burning dvd-images > > that I was asking yesterday. because in some puter on same drives and > > all same hardware I had no problems on windows xp or linux > > 2.4-kernel... asking this because I had dma timeout problems on > > freebsd 5.3 puter too. it works fine with pio mode, but when I turn on > > dma it timeouts all the time. > Now after more test I found out that I can't even copy large files > from that drive to another. It hangs on same 3.2GB then too. with dma > timeout. so it has really nothing to do with dvd-burner drive nor > atapicam. > > but when I set PIO mode it works fine. Try enabling DMA for ATA but *not* for ATAPI.
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