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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hi,<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I&#8217;ve been looking into a couple of issues reported to
INTEL that involve guessnet.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><a
href="http://sourceforge.net/tracker/?func=detail&amp;aid=2792884&amp;group_id=42302&amp;atid=447449">http://sourceforge.net/tracker/?func=detail&amp;aid=2792884&amp;group_id=42302&amp;atid=447449</a><o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><a
href="http://sourceforge.net/tracker/?func=detail&amp;aid=2803095&amp;group_id=42302&amp;atid=447449">http://sourceforge.net/tracker/?func=detail&amp;aid=2803095&amp;group_id=42302&amp;atid=447449</a><o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>These reports point to a bug in the some e1000e driver versions
where we were not updating the data we provided in response to a &#8220;</span></font><font
size=2 color="#5e5e5e" face=Arial><span lang=EN style='font-size:10.0pt;
font-family:Arial;color:#5E5E5E'>SIOCGMIIREG&#8221; link_beat query, leading
guessnet to think that there was a link even after a cable had been pulled.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color="#5e5e5e" face=Arial><span lang=EN
style='font-size:10.0pt;font-family:Arial;color:#5E5E5E'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color="#5e5e5e" face=Arial><span lang=EN
style='font-size:10.0pt;font-family:Arial;color:#5E5E5E'>The bug is easy to fix,
we would process the SIOCGMIIREG query whenever it is requested. However, we have
had problems with some of our network silicon if we process an SIOCGMIIREG during
link autonegotiation (typically  &lt; 100ms), and we would like to understand
our exposure to this on systems running guessnet. <o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color="#5e5e5e" face=Arial><span lang=EN
style='font-size:10.0pt;font-family:Arial;color:#5E5E5E'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color="#5e5e5e" face=Arial><span lang=EN
style='font-size:10.0pt;font-family:Arial;color:#5E5E5E'>Can one of you help me
understand what controls the request interval with which guessnet queries for
link beat, so that I can get an idea of what our exposure might be ? Unfortunately
I have no prior experience with guessnet, though I do have a Ubuntu &#8220;jaunty&#8221;
installation available, with default network configuration, for
experimentation.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color="#5e5e5e" face=Arial><span lang=EN
style='font-size:10.0pt;font-family:Arial;color:#5E5E5E'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color="#5e5e5e" face=Arial><span lang=EN
style='font-size:10.0pt;font-family:Arial;color:#5E5E5E'>Thanks.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color="#5e5e5e" face=Arial><span lang=EN
style='font-size:10.0pt;font-family:Arial;color:#5E5E5E'>Dave<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color="#5e5e5e" face=Arial><span lang=EN
style='font-size:10.0pt;font-family:Arial;color:#5E5E5E'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color="#5e5e5e" face=Arial><span lang=EN
style='font-size:10.0pt;font-family:Arial;color:#5E5E5E'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color="#5e5e5e" face=Arial><span lang=EN
style='font-size:10.0pt;font-family:Arial;color:#5E5E5E'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

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