<br><font size=2 face="sans-serif">Hi Nicolas,</font>
<br>
<br><font size=2 face="sans-serif">Do I need to restart HCA driver if I
just use ibportstate to reset the cable on the switch side?</font>
<br>
<br><font size=2 face="sans-serif">Thanks!</font>
<br>
<br><font size=2 face="sans-serif">Yicheng Jia<br>
<br>
</font>
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<td width=40%><font size=1 face="sans-serif"><b>Nicolas Morey-Chaisemartin
<devel@morey-chaisemartin.com></b> </font>
<p><font size=1 face="sans-serif">04/03/2009 11:47 AM</font>
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<div align=center><font size=1 face="sans-serif">Please respond to<br>
devel@morey-chaisemartin.com</font></div></table>
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<div align=right><font size=1 face="sans-serif">To</font></div>
<td><font size=1 face="sans-serif">Yicheng Jia <YJia@tmriusa.com></font>
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<div align=right><font size=1 face="sans-serif">cc</font></div>
<td><font size=1 face="sans-serif">general@lists.openfabrics.org</font>
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<div align=right><font size=1 face="sans-serif">Subject</font></div>
<td><font size=1 face="sans-serif">Re: [ofa-general] change port's physical
state without reset HCA</font></table>
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<br><tt><font size=2>You could reset the other end of the cable (on the
switch) with ibportstate or simply unload/reload OFED drivers<br>
<br>
Nicolas <br>
<br>
Yicheng Jia a écrit :<br>
> <br>
> Hi,<br>
> <br>
> I am using Mellanox MHES18 HCA connecting with Qlogic 9024 unmanaged<br>
> switch. Sometime after system reboot I get 1x link width on two ports<br>
> between HCA and the switch. The cable is good. It's supposed to be
4x,<br>
> and usually after one more system reboot it will go back to 4x. My<br>
> question is, can I simply change the port's physical state to polling<br>
> and let it do link training again to get 4x link without reset the
HCA?<br>
> Is it possible?<br>
> <br>
> Thanks!<br>
> Yicheng Jia<br>
> <br>
> <br>
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