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

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Message-ID: <53DA4074.9030300@excello.cz>
Date:	Thu, 31 Jul 2014 15:11:16 +0200
From:	Jan Hejl <jh@...ello.cz>
To:	Richard Weinberger <richard.weinberger@...il.com>
CC:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Sudden kernel panics on AMD Opteron platforms with hardened kernel


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.

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?
>
>> Opteron(tm) Processor 6376 AuthenticAMD GNU/Linux
>>   Gnu C                  4.7.3
>> Gnu make               3.82
>> binutils               2.23.2
>> util-linux             scripts/ver_linux: line 23: fdformat: command not
>> found
>> mount                  assert
>> module-init-tools      18
>> e2fsprogs              1.42.10
>> xfsprogs               3.1.10
>> Linux C Library        Dynamic linker (ldd)   2.17
>> Procps                 3.3.9
>> Net-tools              1.60_p20130513023548
>> Kbd                    1.15.5
>> Sh-utils               8.21
>> Modules Loaded
>>
>> Can you please point to me to a right direction where to start with
>> debugging of this panic? It is badly reproducible because it happens
>> randomly.
>>
>> Hope you'll find all info attached.
>>
>> Thanks for any help!
>> Jan
>>
>
>



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