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Subject: Re: Ryzen issues on FreeBSD ?
To: Peter Moody <freebsd@hda3.com>
Cc: Nimrod Levy <nimrodl@gmail.com>, Don Lewis <truckman@freebsd.org>,
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From: Mike Tancsa <mike@sentex.net>
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Date: Fri, 19 Jan 2018 15:39:35 -0500
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On 1/19/2018 3:32 PM, Peter Moody wrote:
> 
> I have a ryzen5 1600X and an ASRock AB350M and I've tried just about
> everything in all of these threads; disabling C state (no effect),
> setting the sysctl (doesn't exist on my 11.1 RELEASE), tweaking
> voltage and cooling settings, rma'ing the board the cpu and the
> memory. nothing helped.
> 
> last night I tried disabling SMT and, so far so good.


Is there anything that can be done to trigger the lockup more reliably ?
I havent found any patterns. I have had lockups with the system is 100%
idle and lockups when lightly loaded.  I have yet to see any segfaults
or sig 11s while doing buildworld (make -j12 or make -j16 even)

	---Mike