linux-kernel - Re: sparc gcc 7.1 compile issue

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Message-Id: <20170602.132809.1754806777743128355.davem@davemloft.net>
Date:   Fri, 02 Jun 2017 13:28:09 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     glaubitz@...sik.fu-berlin.de
Cc:     wbx@...nadk.org, linux-kernel@...r.kernel.org,
        sparclinux@...r.kernel.org
Subject: Re: sparc gcc 7.1 compile issue

From: John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
Date: Fri, 2 Jun 2017 18:33:45 +0200

> On 06/02/2017 04:22 PM, David Miller wrote:
>>> What remains to be fixed though is that the gcc-7 testsuite
>>> *reproducibly* kills the kernel on sparc64 when building with more than
>>> around 20 jobs:
>> 
>> Well, I already have a release gcc bug to fix so pretty much I have no
>> time to look into bugs in unreleased versions of gcc sorry.
> 
> Isn't a bug in the kernel if an application is able to crash to the point
> that the machine has to be hard-rebooted?

It can be a bug in the compiler too and not necessarily the kernel's
fault which is what I think is happening in your case.