[cfarm-users] gcc67 instability?

[Markus Trippelsdorf]

On 2017.12.13 at 16:57 +0100, Pierre Muller via cfarm-users wrote:
> 
> 
>   While logged on to gcc67,
> I saw these messages:
> 
> 
> Message from syslogd at gcc67 at Dec 13 15:05:28 ...
>  kernel:[3003407.806772] Uhhuh. NMI received for unknown reason 2d on CPU 9.
> 
> Message from syslogd at gcc67 at Dec 13 15:05:28 ...
>  kernel:[3003407.806773] Do you have a strange power saving mode enabled?
> 
> Message from syslogd at gcc67 at Dec 13 15:05:28 ...
>  kernel:[3003407.806773] Dazed and confused, but trying to continue

gcc67 has a buggy Ryzen CPU. The only long term solution is to RMA the
chip: https://community.amd.com/thread/215773

Keeping it at -j8 max helps a little bit. Using -j16 will hit the bug
pretty soon.

-- 
Markus