linux-kernel - Re: Linux 3.11-rc4

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Date:	Mon, 5 Aug 2013 13:08:17 -0500
From:	Felipe Contreras <felipe.contreras@...il.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Oleg Nesterov <oleg@...hat.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Linux 3.11-rc4

On Mon, Aug 5, 2013 at 12:43 PM, Felipe Contreras
<felipe.contreras@...il.com> wrote:
> On Mon, Aug 5, 2013 at 12:39 PM, Linus Torvalds
> <torvalds@...ux-foundation.org> wrote:
>
>> That said, Felipe, can you double-check that it's not timing-related
>> in some subtle way, and test multiple times with just that commit
>> reverted (and not reverted) to make sure that it's 100% that one
>> single line by that particular commit? Because it does seem very
>> benign..
>
> I tested perhaps dozens of times with the patch, and every one of them
> failed. I tested at least 6 times with the patch reverted, every one
> of them worked.
>
> I'm fairly certain that it's 100% reproducible, so it doesn't seem to be a race.
>
> But I'll double-check.

Yeah, I just tested 5 times; with the patch all 5 times failed,
without the patch all 5 times worked.

-- 
Felipe Contreras
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