linux-kernel - Re: divide error: 0000 [#1] SMP in task_numa_migrate

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Message-ID: <20160712131235.GO30154@twins.programming.kicks-ass.net>
Date:	Tue, 12 Jul 2016 15:12:35 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Greg KH <greg@...ah.com>
Cc:	Campbell Steven <casteven@...il.com>,
	Stefan Priebe - Profihost AG <s.priebe@...fihost.ag>,
	Vlastimil Babka <vbabka@...e.cz>,
	LKML <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	linux-mm@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
	Rik van Riel <riel@...hat.com>
Subject: Re: divide error: 0000 [#1] SMP in task_numa_migrate -
 handle_mm_fault vanilla 4.4.6

On Mon, Jul 11, 2016 at 03:33:53PM -0700, Greg KH wrote:

> Oops, this commit does not apply cleanly to 4.6 or 4.4-stable trees.
> Can someone send me the backported verision that they have tested to
> work properly so I can queue it up?

I've never actually been able to reproduce, but the attached patches
apply, the reject was trivial.

They seem to compile and boot on my main test rig, but nothing else was
done but build the next kernel with it.



View attachment "sched-stable-4.4.patch" of type "text/x-diff" (5885 bytes)

View attachment "sched-stable-4.6.patch" of type "text/x-diff" (5733 bytes)