Messages in this thread | | | Date | Wed, 30 Apr 2008 21:40:45 +0200 | From | "J.A. Magallón" <> | Subject | Re: Problems with -git14 |
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On Wed, 30 Apr 2008 16:17:46 +0100 (BST), Hugh Dickins <hugh@veritas.com> wrote:
> On Wed, 30 Apr 2008, J.A. Magallón wrote: > > > > I have a couple problems with latest git (-14): > > > > - It only recognises 2 processors out of 4 (dual Xeon HT)
> [PATCH] x86_32: fix HT cpu booting > > Since recent smpboot 32/64-bit merge, my dual Xeon with HT has been > booting only 2 of its 4 cpus (when running an i386 kernel; but x86_64 > is okay). J.A. Magallón reports the same. > > native_cpu_up: bad cpu 2 > native_cpu_up: bad cpu 3 > > The mach-default cpu_present_to_apicid() was just returning cpu number > (2, 3) instead of apicid (6, 7): looks like we now need the x86_64 code > even for the i386 case. >
One question that always bugs me: do I have to set NR_CPUS=8 to pick apicid number 7, and let the map just flag the ones I have, or will it work with NR_CPUS=4 ?
-- J.A. Magallon <jamagallon()ono!com> \ Software is like sex: \ It's better when it's free Mandriva Linux release 2008.1 (Cooker) for i586 Linux 2.6.23-jam05 (gcc 4.2.2 20071128 (4.2.2-2mdv2008.1)) SMP PREEMPT -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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