Date: Sat, 26 Dec 2009 15:01:31 -0500 (EST)
From: Len Brown <lenb@kernel.org>
To: Sid Boyce <sboyce@blueyonder.co.uk>
Cc: linux-kernel@vger.kernel.org
Subject: Re: All kernels after 2.6.32-git10  show only 1 CPU ** Fixed in
 2.6.33-rc2 **
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Sid,
If the kernel boots properly as of -rc2, then I would not worry
so much that it was broken at some point during the merge window.

However, if it is still broken and you need to bisect back
into -merge to find out what caused it...  note that
booting with "acpi=ht" may be a useful tool.  For this
option will boot just enough of ACPI to enumerate processors,
but no more.  (Of course if this option doesn't boot with
the previous working kernels, then alas, it will not be useful here)

cheers,
Len Brown, Intel Open Source Technology Center

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