From: Kallol Biswas <kallol.biswas@s2io.com>
To: linux-ia64@vger.kernel.org
Subject: dma restriction on Itanium 2
Date: Sat, 17 Jan 2004 01:48:15 +0000 [thread overview]
Message-ID: <1074304095.6384.13.camel@kbiswas-dt.s2iotech.com> (raw)
We have been seeing a problem on itanium 2 running linux 2.4.21-4.EL
with our 10GB ethernet card.
The error is PCI related. On PARISC systems the DMA address could not
span page boundary due to hardware limitation, do we have the same
limitation on Itanium 2 systems also? If the transmit or receive
descriptors take more than a page then they should be aligned such a way
that DMA does not happen over a page right?
next reply other threads:[~2004-01-17 1:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-17 1:48 Kallol Biswas [this message]
2004-01-17 2:14 ` dma restriction on Itanium 2 Grant Grundler
2004-01-17 3:58 ` Grant Grundler
2004-01-17 18:47 ` Christian Hinkelbein
2004-01-19 6:14 ` Grant Grundler
2004-01-19 16:00 ` Alex Williamson
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