Date: Fri, 16 Jul 2010 00:55:25 -0700 From: Jeremy Chadwick <freebsd@jdc.parodius.com> To: Oliver Fromme <olli@lurza.secnetix.de> Cc: freebsd-stable@FreeBSD.org, Andriy Gapon <avg@icyb.net.ua>, Jung-uk Kim <jkim@FreeBSD.org> Subject: Re: 8.1-PRERELEASE: CPU packages not detected correctly Message-ID: <20100716075525.GA96403@icarus.home.lan> In-Reply-To: <201007152001.o6FK1mGq088944@lurza.secnetix.de> References: <201007151507.33998.jkim@FreeBSD.org> <201007152001.o6FK1mGq088944@lurza.secnetix.de>
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On Thu, Jul 15, 2010 at 10:01:48PM +0200, Oliver Fromme wrote: > > Jung-uk Kim wrote: > > On Thursday 15 July 2010 01:56 pm, Andriy Gapon wrote: > > > on 15/07/2010 19:57 Oliver Fromme said the following: > > > > I patched topo_probe() so it calls topo_probe_0x4() after > > > > topo_probe_0xb() if cpu_cores is still 0. I think this > > > > is a better fallback procedure. With this patch, cpu_cores > > > > gets the value 4 which is the correct one, finally: > > > [...] > > > I think that your addition achieves this effect, perhaps just not > > > as explicitly as I would preferred. > > > > > > Jung-uk, what do you think? > > > > Yes, you're right. Please try new patch: > > > > http://people.freebsd.org/~jkim/mp_machdep2.diff > > Thank you! > > I will have access to that particular machine on Monday again, > so testing the new patch will have to wait until Monday. > But from looking at your patch it should have the same result > as my simpler patch, so it should work fine. I have a general question for everyone involved in this thread (which is highly educational/interesting -- thank you for all the info!): Does the problem reported affect actual performance/behaviour of FreeBSD kernel-wise at all, or is it just a cosmetical issue with regards to showing how many cores/threads there are? -- | Jeremy Chadwick jdc@parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |
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