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<TITLE>RE: [openib-general] has anyone tried MSI-X on Opteron? </TITLE>
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<P><FONT SIZE=2>thanks to all</FONT>
<BR><FONT SIZE=2>We are using the AMD-8131 and that explains it.</FONT>
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<P><FONT SIZE=2>Tziporet</FONT>
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<P><FONT SIZE=2>-----Original Message-----</FONT>
<BR><FONT SIZE=2>From: Craig Dunwoody [<A HREF="mailto:cdunwoody@graphstream.com">mailto:cdunwoody@graphstream.com</A>]</FONT>
<BR><FONT SIZE=2>Sent: Thursday, January 13, 2005 5:59 PM</FONT>
<BR><FONT SIZE=2>To: Ronald G. Minnich</FONT>
<BR><FONT SIZE=2>Cc: openib-general@openib.org</FONT>
<BR><FONT SIZE=2>Subject: Re: [openib-general] has anyone tried MSI-X on Opteron? </FONT>
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<P><FONT SIZE=2>Hello Ron,</FONT>
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<P><FONT SIZE=2>ron writes:</FONT>
<BR><FONT SIZE=2>> Matt Leininger (spelling) pointed out to me yesterday that the Opteron</FONT>
<BR><FONT SIZE=2>> chip set did not support MSI</FONT>
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<P><FONT SIZE=2>Looks to me like MSI is enabled in recent stock FC2 and FC3 2.6.9+</FONT>
<BR><FONT SIZE=2>X86_64 kernel builds, so a driver that cannot be told not to use MSI if</FONT>
<BR><FONT SIZE=2>it is available (as I believe is the case with the current Mellanox</FONT>
<BR><FONT SIZE=2>vapi-4.0.1 release) would not seem to have a good chance of working on a</FONT>
<BR><FONT SIZE=2>stock FC2 or FC3 kernel when a AMD-8131 chipset is involved.</FONT>
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<P><FONT SIZE=2>Craig Dunwoody</FONT>
<BR><FONT SIZE=2>cdunwoody@graphstream.com</FONT>
<BR><FONT SIZE=2>650-906-8261 (cell)</FONT>
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