[openib-general] [Bug 229] heavy CPU load can starve ib_mad thread on latest processors
bugzilla-daemon at openib.org
bugzilla-daemon at openib.org
Mon Sep 11 23:14:17 PDT 2006
http://openib.org/bugzilla/show_bug.cgi?id=229
------- Comment #3 from sweitzen at cisco.com 2006-09-11 23:14 -------
Put email in bugzilla:
Hmm, OK.
I'd like to figure out whether this could be something other than a scheduler
issue.
Could you test on kernel 2.6.18 or 2.6.17 please?
If this is a scheduler issue, there's a chance scheduler is more fair there.
Quoting r. Scott Weitzenkamp (sweitzen) <sweitzen at cisco.com>:
> Subject: RE: [Bug 229] heavy CPU load can starve ib_mad thread on latest processors
>
> I only tested with renice -20.
>
> Scott Weitzenkamp
> SQA and Release Manager
> Server Virtualization Business Unit
> Cisco Systems
>
>
> > -----Original Message-----
> > From: Michael S. Tsirkin [mailto:mst at mellanox.co.il]
> > Sent: Monday, September 11, 2006 11:02 PM
> > To: Scott Weitzenkamp (sweitzen)
> > Cc: openib-general at openib.org
> > Subject: Re: [Bug 229] heavy CPU load can starve ib_mad
> > thread on latest processors
> >
> > Quoting r. bugzilla-daemon at openib.org <bugzilla-daemon at openib.org>:
> > > Subject: [Bug 229] heavy CPU load can starve ib_mad thread
> > on latest processors
> > >
> > > http://openib.org/bugzilla/show_bug.cgi?id=229
> > >
> > >
> > >
> > >
> > >
> > > ------- Comment #2 from sweitzen at cisco.com 2006-09-11 21:54 -------
> > > Cisco embedded SM on a switch, thus no SM on a host, only
> > IB drivers.
> >
> > Looks like we'll add the workaround for ofed.
> > What renice level are you using?
> >
> > --
> > MST
> >
>
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