linux-kernel - Re: Sudden kernel panics on AMD Opteron platforms with hardened kernel

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Message-ID: <53DA4461.5050706@nod.at>
Date:	Thu, 31 Jul 2014 15:28:01 +0200
From:	Richard Weinberger <richard@....at>
To:	Jan Hejl <jh@...ello.cz>
CC:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Sudden kernel panics on AMD Opteron platforms with hardened kernel

Am 31.07.2014 15:11, schrieb Jan Hejl:
> 
> Dne 31.7.2014 v 15:04 Richard Weinberger napsal(a):
>> On Thu, Jul 31, 2014 at 2:53 PM, Jan Hejl <jh@...ello.cz> wrote:
>>> Hello,
>>>
>>> i'm facing sudden kernel panics. Last one happened few minutes ago.
>>> Unfortunatelly only output that i've catched is limited thanks to low
>>> resolution of console screen. See screenshot attached.
>>>
>>> Below is output of the ver_linux script.
>>>
>>> Linux aq 3.14.12-hardened-r2 #1 SMP Tue Jul 22 18:47:50 CEST 2014 x86_64 AMD
>> Does the problem also happen with a vanilla kernel?
> Didn't tried yet.

Please do so. Nobody here can help you if you use a modified/broken kernel.

> As I talked to my collegues we found that these bugs are someway random that it may be related to https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61904. Is it possible?

According to your 1st mail you've built the kernel using an older gcc.

Thanks,
//richard
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