[ofa-general] change port's physical state without reset HCA

Fri Apr 3 09:46:51 PDT 2009

You could reset the other end of the cable (on the switch) with ibportstate or simply unload/reload OFED drivers

Nicolas 

Yicheng Jia a écrit :
> 
> Hi,
> 
> I am using Mellanox MHES18 HCA connecting with Qlogic 9024 unmanaged
> switch. Sometime after system reboot I get 1x link width on two ports
> between HCA and the switch. The cable is good. It's supposed to be 4x,
> and usually after one more system reboot it will go back to 4x. My
> question is, can I simply change the port's physical state to polling
> and let it do link training again to get 4x link without reset the HCA?
> Is it possible?
> 
> Thanks!
> Yicheng Jia
> 
> 
> _____________________________________________________________________________
> Scanned by IBM Email Security Management Services powered by
> MessageLabs. For more information please visit http://www.ers.ibm.com
> _____________________________________________________________________________
> 
> 
> ------------------------------------------------------------------------
> 
> _______________________________________________
> general mailing list
> general at lists.openfabrics.org
> http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general
> 
> To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general