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

[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@xxxxxxxxxx> 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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