linux-kernel - Re: frequent lockups in 3.18rc4

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Message-ID: <20141224030125.GA8725@codemonkey.org.uk>
Date:	Tue, 23 Dec 2014 22:01:25 -0500
From:	Dave Jones <davej@...emonkey.org.uk>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>, Chris Mason <clm@...com>,
	Mike Galbraith <umgwanakikbuti@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Dâniel Fraga <fragabr@...il.com>,
	Sasha Levin <sasha.levin@...cle.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Suresh Siddha <sbsiddha@...il.com>,
	Oleg Nesterov <oleg@...hat.com>,
	Peter Anvin <hpa@...ux.intel.com>,
	John Stultz <john.stultz@...aro.org>
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

	Dave
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