linux-kernel - Re: Random panic in load

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Message-ID: <53D706EF.3010808@daenzer.net>
Date:	Tue, 29 Jul 2014 11:29:03 +0900
From:	Michel Dänzer <michel@...nzer.net>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Markus Trippelsdorf <markus@...ppelsdorf.de>,
	Steven Rostedt <rostedt@...dmis.org>,
	Alexei Starovoitov <ast@...nel.org>,
	Jakub Jelinek <jakub@...hat.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Debian GCC Maintainers <debian-gcc@...ts.debian.org>,
	Debian Kernel Team <debian-kernel@...ts.debian.org>
Subject: Re: Random panic in load_balance() with 3.16-rc

On 29.07.2014 01:48, Linus Torvalds wrote:
> On Sun, Jul 27, 2014 at 8:47 PM, Michel Dänzer <michel@...nzer.net> wrote:
>> On 27.07.2014 04:56, Linus Torvalds wrote:
>>>
>>> Also, Michel - can you try  this patch if you still have your
>>> gcc-4.9.0 install, and send me the resulting fair.s file again?
>>
>> Attached.
> 
> The frame setup looks fine to me now (apart from the spilling of a
> constant value, but hey, that wasn't _buggy_, that was just stupid).
> 
> And I'm assuming everything runs fine too?

I've rebased my .config on the one from the current Debian kernel
packages, which no longer enables CONFIG_CC_OPTIMIZE_FOR_SIZE. So I'm no
longer affected by this bug anyway. (I used the old .config for
compiling the fair.s above though)


-- 
Earthling Michel Dänzer            |                  http://www.amd.com
Libre software enthusiast          |                Mesa and X developer
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