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From: Len Brown <lenb@kernel.org>
Organization: Intel Open Source Technology Center
To: "Parag Warudkar" <parag.warudkar@gmail.com>
Subject: Re: soft lockup - CPU#1 stuck for 15s! [swapper:0]
Date: Fri, 14 Dec 2007 18:17:47 -0500
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Cc: "Thomas Gleixner" <tglx@linutronix.de>,
       "Arjan van de Ven" <arjan@infradead.org>, "Ingo Molnar" <mingo@elte.hu>,
       "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>,
       LKML <linux-kernel@vger.kernel.org>,
       "Andrew Morton" <akpm@linux-foundation.org>,
       "Linus Torvalds" <torvalds@linux-foundation.org>
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does processor.max_cstate=1 make the failing configuration work?
If yes, how about processor.max_cstate=2?

what do you see in /proc/acpi/processor/*/power?

-Len