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From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: Jeff Roberson <jroberson-gUAg20sWgfgcWVvVuXF20w@public.gmane.org>
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: LID reconfiguration
Date: Mon, 16 Nov 2009 21:51:58 -0700	[thread overview]
Message-ID: <20091117045158.GA14055@obsidianresearch.com> (raw)
In-Reply-To: <alpine.BSF.2.00.0911161835230.1226@desktop>

On Mon, Nov 16, 2009 at 06:38:40PM -1000, Jeff Roberson wrote:

> >To get hitless switching to the passive backup pass you need to use
> >the IB APM feature.
> 
> Is there an opensource example of using APM?  When I call ib_cm_send_lap() 
> the QP goes to some error state and my connections die.  Do I need to set 
> some QP attributes first?  I found a paper that describes the process but 
> does not contain sample code or any real details.

The only person I know of who ever got this to work is demoing it here
at SC|09, I'll try to ask him this week :)

Jason
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  reply	other threads:[~2009-11-17  4:51 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-09 23:30 LID reconfiguration Jeff Roberson
2009-11-09 23:45 ` Jason Gunthorpe
     [not found]   ` <20091109234547.GH6188-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2009-11-09 23:56     ` Jeff Roberson
2009-11-10  0:20       ` Jason Gunthorpe
     [not found]         ` <20091110002047.GJ6188-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2009-11-17  4:38           ` Jeff Roberson
2009-11-17  4:51             ` Jason Gunthorpe [this message]
2009-11-17  5:15             ` Sean Hefty
     [not found]               ` <6A30FB8CEED94D778E7CDAE4660458DA-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-11-24  3:57                 ` Jeff Roberson
2009-11-24 17:49                   ` Sean Hefty
     [not found]                     ` <10477AA8CF094F2F92E8792307982F66-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-11-24 19:54                       ` Jeff Roberson
2009-11-24 19:59                         ` Sean Hefty
     [not found]                           ` <65B503E4F968463B8D6D5D019E036ED7-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-12-01  0:28                             ` Jeff Roberson
2009-12-01 15:55                               ` Sean Hefty
2009-11-10  7:07 ` Or Gerlitz
     [not found]   ` <4AF91138.7000809-hKgKHo2Ms0FWk0Htik3J/w@public.gmane.org>
2009-11-10  7:11     ` Jeff Roberson
2009-11-10  7:44       ` Or Gerlitz

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