freebsd stable - Jan 2018 - Ryzen issues on FreeBSD ?

On 17 Jan, Nimrod Levy wrote:
> I'm running 11-STABLE from 12/9.  amdtemp works for me.  It also has
the
> systl indicating that it it has the shared page fix. I'm pretty sure
I've
> seen the lockups since then.  I'll update to the latest STABLE and see
> what  happens.
> 
> One weird thing about my experience is that if I keep something running
> continuously like the distributed.net client on 6 of 12 possible threads,
> it keeps the system up for MUCH longer than without.  This is a home server
> and very lightly loaded (one could argue insanely overpowered for the use
> case).
This sounds like the problem with the deep Cx states that has been
reported by numerous Linux users.  I think some motherboard brands are
more likely to have the problem.  See:
http://forum.asrock.com/forum_posts.asp?TID=5963&title=taichi-x370-with-ubuntu-idle-lock-ups-idle-freeze

That looks promising. I just found that seeing in the bios and disabled it.
I'll see how it runs.

Thanks


On Wed, Jan 17, 2018, 18:38 Don Lewis <truckman at freebsd.org> wrote:
> On 17 Jan, Nimrod Levy wrote:
> > I'm running 11-STABLE from 12/9.  amdtemp works for me.  It also
has the
> > systl indicating that it it has the shared page fix. I'm pretty
sure I've
> > seen the lockups since then.  I'll update to the latest STABLE and
see
> > what  happens.
> >
> > One weird thing about my experience is that if I keep something
running
> > continuously like the distributed.net client on 6 of 12 possible
> threads,
> > it keeps the system up for MUCH longer than without.  This is a home
> server
> > and very lightly loaded (one could argue insanely overpowered for the
use
> > case).
>
> This sounds like the problem with the deep Cx states that has been
> reported by numerous Linux users.  I think some motherboard brands are
> more likely to have the problem.  See:
>
>
http://forum.asrock.com/forum_posts.asp?TID=5963&title=taichi-x370-with-ubuntu-idle-lock-ups-idle-freeze
>
> --
--
Nimrod