Re: problem with bhyve, ryzen 5800x, freebsd guest

You probably should set up a dump device to get crash info, stack, etc.

——
Vitaliy Gusev

> On 7 Jul 2022, at 15:29, Andriy Gapon <avg@FreeBSD.org> wrote:
> 
> 
> I have a strange issue with running an 'appliance' image based on FreeBSD 12 in bhyve on a machine with Ryzen 5800x processor.
> 
> The problem is that the guest would run for a while and then the host would suddenly reset itself.  It appears like a triple fault or something with similar consequences.
> 
> The time may be from a few dozens of minutes to many hours.
> 
> Just to be clear, no such thing occurs if I do not run the guest.
> Also, I have an older AMD system (pre-Zen), the problem does not happen there.
> A vanilla FreeBSD 12.3 installation that just sits idle also does not cause the problem.
> 
> Does anyone have an idea what the problem could be?
> What workaround or diagnostics to try?
> Anybody else seen something like this?
> 
> Since it's the host that resets it would be hard to capture any traces.
> Thank you.
> -- 
> Andriy Gapon
> 
> 
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