linux-kernel - Re: Linux 2.6.29-rc6

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Date:	Thu, 26 Feb 2009 13:54:29 -0800
From:	john stultz <johnstul@...ibm.com>
To:	Jesper Krogh <jesper@...gh.cc>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Len Brown <len.brown@...el.com>
Subject: Re: Linux 2.6.29-rc6

On Thu, 2009-02-26 at 22:35 +0100, Jesper Krogh wrote:
> > Also mind sending the full dmesg for both kernels?
> 
> http://krogh.cc/~jesper/dmesg-2.6.29-rc6.txt
> http://krogh.cc/~jesper/dmesg-2.6.26.8.txt

So one interesting difference:
2.6.26.8:	TSC calibrated against PM_TIMER
2.6.29-rc6:	Fast TSC calibration using PIT

Thomas, any thoughts as to why we might be calibrating off the PIT
instead of the PM_TIMER w/ 2.6.29?

Maybe does this line provide a hint?
FADT: X_PM1a_EVT_BLK.bit_width (16) does not match PM1_EVT_LEN (4)


thanks
-john


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