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Date:      Thu, 19 Aug 2010 19:39:13 +0300
From:      Andriy Gapon <avg@icyb.net.ua>
To:        pluknet <pluknet@gmail.com>
Cc:        freebsd-stable@freebsd.org, Jung-uk Kim <jkim@freebsd.org>
Subject:   Re: 8.1-PRERELEASE: CPU packages not detected correctly
Message-ID:  <4C6D5E31.9000701@icyb.net.ua>
In-Reply-To: <AANLkTikFdbVhMYd1tktfYehuAdqEVCDWaN=YbOG=c6xB@mail.gmail.com>
References:  <201007141414.o6EEEUx9014690@lurza.secnetix.de>	<201007141755.04690.jkim@FreeBSD.org>	<4C3FB73F.7070502@freebsd.org>	<201007161147.56242.jkim@FreeBSD.org> <AANLkTikFdbVhMYd1tktfYehuAdqEVCDWaN=YbOG=c6xB@mail.gmail.com>

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on 10/08/2010 19:55 pluknet said the following:
> On 16 July 2010 19:47, Jung-uk Kim <jkim@freebsd.org> wrote:
>> The patch should apply fine on both sys/amd64/amd64/mp_machdep.c and
>> sys/i386/i386/mp_machdep.c.
>>
>> http://people.freebsd.org/~jkim/mp_machdep2.diff
>>
> 
> 
> Hi.
> 
> Just checked on Xen HVM with 3 cores.
> 1) 8.1 unmodified:
> FreeBSD/SMP: Multiprocessor System Detected: 3 CPUs
> FreeBSD/SMP: 1 package(s) x 3 core(s)
> 
> 2) 8.1 + patch
> FreeBSD/SMP: Multiprocessor System Detected: 3 CPUs
> FreeBSD/SMP: 0 package(s) x 1 core(s) x 32 HTT threads
> WARNING: Non-uniform processors.
> WARNING: Using suboptimal topology.

Can you debug, e.g. with printfs, what exactly goes wrong?
I wonder if in this case code follows some unusual/unexpected path.
BTW, could you please also provide CPU name/model/features as detected by the kernel?

Thanks!

-- 
Andriy Gapon



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