Sasha, On Tue, Oct 7, 2008 at 8:32 PM, Sasha Khapyorsky <[EMAIL PROTECTED]> wrote: > Hi Hal, > > On 08:26 Mon 06 Oct , Hal Rosenstock wrote: >> > >> > Me too. See below. >> > >> >>> > Somehow it works without ibsim - so I suspect user_mad handles it. >> >>> > >> >>> > (Hal, could you clarify?) >> >>> >> >>> The kernel (user_mad/mad) does not change the requested registrations >> >>> but I'm not sure I understand the question you are asking to be >> >>> clarified. Is that what you're asking ? >> >> >> >> ibis works somehow with real stack. It registers 0x1 class only and >> >> uses direct routing SMPs. Do you have any idea about why >> >> (osm_vendor_idumad and/or libibumad don't help)? >> > >> > libibumad umad_register does not do anything that would affect this >> > either. I can only conclude there must be something in ibutils that >> > fixes this if it does work with the real stack. It shouldn't be too >> > hard to track down where that registration for class 0x81 comes from. >> >> Are you sure this is the only registration and not DR class too ? > > I'm not sure I understood the question. But I was about registration > (or more accurate not registration) of class 0x81 by ibutils and by any > lower layer up to kernel.
The question was whether you are sure that class 0x81 is not being registered with ibdiagnet ? Was this actually verified at some level rather than code inspection of ibutils ? Just to be sure... >> That's the first thing to confirm or maybe you've already confirmed >> this and it wasn't clear to me in what you wrote. If so, I have a >> theory about what could be occuring. It may be the case that it is an >> effect of the kernel MAD layer in that a MAD agent can send any class >> and when using request/response it matches on transaction ID which >> contains the MAD agent. Unsolicited messages on that other class >> wouldn't get through though. I just ran a simple test of this and that >> appears to be the case. > > This could explain the phenomena. And then it seems that similar > mechanism should be implemented in umad2sim. Yes. -- Hal > Sasha > _______________________________________________ general mailing list [email protected] http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
