Re: watchdog timer

Ira Weiny
2012-05-22T15:55:55Z

On Mon, 21 May 2012 17:51:29 -0700
Bob Ciotti <Bob.Ciotti-NSQ8wuThN14@public.gmane.org> wrote:

> I believe the issue (not certain - need more test time) was caused by not specifying all vlarb entries,
> even those unused. So, QoS on, but incomplete specification. OFED HowTo examples do this, so I figured it
> was OK.
>
> Its also possible that some software may have been specifying an un-configured SL - without my permission ;)
> Maybe vl 0 was loosing its turn in arbitration and got starved for > +3%/-51% 400,000 symbols when the HCA
> was passing back flow control update?
>
> Unfortunately - it usually worked, except under load.
>
> Think its working now.
>
> bob
>
> btw Ira, you get to trade every ! into a beer the next time I see you.
> !!! - there, an even 6 pack

No need. I'm glad I finally had something to contribute after all these years.

Ira

>
>
> On 05/21/2012 10:08 AM, Ira Weiny wrote:
> > On Fri, 18 May 2012 11:27:40 -0400
> > Hal Rosenstock<hal-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org> wrote:
> >
> >> Ira,
> >>
> >> On 5/18/2012 11:10 AM, Ira Weiny wrote:
> >>> In our situation the FW in the switch had a bug.
> >>
> >> Do you recall what the bug was, which firmware version had the bug and
> >> which one fixed it ?
> >
> > I don't recall but it was not Mellanox hardware.
> >
> > Ira
> >
> >>
> >> -- Hal
> >> --
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> >
> >

--
Ira Weiny
Member of Technical Staff
Lawrence Livermore National Lab
925-423-8008
weiny2-i2BcT+NCU+M@public.gmane.org