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Date:	Tue, 23 Dec 2014 22:01:25 -0500
From:	Dave Jones <>
To:	Linus Torvalds <>
Cc:	Thomas Gleixner <>, Chris Mason <>,
	Mike Galbraith <>,
	Ingo Molnar <>,
	Peter Zijlstra <>,
	Dâniel Fraga <>,
	Sasha Levin <>,
	"Paul E. McKenney" <>,
	Linux Kernel Mailing List <>,
	Suresh Siddha <>,
	Oleg Nesterov <>,
	Peter Anvin <>,
	John Stultz <>
Subject: Re: frequent lockups in 3.18rc4

On Mon, Dec 22, 2014 at 03:59:19PM -0800, Linus Torvalds wrote:
 > But in the meantime please do keep that thing running as long as you
 > can. Let's see if we get bigger jumps. Or perhaps we'll get a negative
 > result - the original softlockup bug happening *without* any bigger
 > hpet jumps.

So I've got this box a *little* longer than anticipated.
It's now been running 30 hours with not a single NMI lockup.
and that's with my kitchen-sink debugging kernel.

The 'hpet off' messages continue to be spewed, and again they're
all in the same range of 4293198075 -> 4294967266

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