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Date:      Thu, 7 Jul 2022 15:47:07 +0300
From:      Vitaliy Gusev <gusev.vitaliy@gmail.com>
To:        Andriy Gapon <avg@FreeBSD.org>
Cc:        current@freebsd.org, virtualization@freebsd.org
Subject:   Re: problem with bhyve, ryzen 5800x, freebsd guest
Message-ID:  <9381393E-F14F-4EA9-AB66-4896912C7C1D@gmail.com>
In-Reply-To: <e7e52823-21d4-99a8-bc97-05c2a54a559b@FreeBSD.org>
References:  <e7e52823-21d4-99a8-bc97-05c2a54a559b@FreeBSD.org>

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

=E2=80=94=E2=80=94
Vitaliy Gusev

> On 7 Jul 2022, at 15:29, Andriy Gapon <avg@FreeBSD.org> wrote:
>=20
>=20
> I have a strange issue with running an 'appliance' image based on =
FreeBSD 12 in bhyve on a machine with Ryzen 5800x processor.
>=20
> 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.
>=20
> The time may be from a few dozens of minutes to many hours.
>=20
> 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.
>=20
> Does anyone have an idea what the problem could be?
> What workaround or diagnostics to try?
> Anybody else seen something like this?
>=20
> Since it's the host that resets it would be hard to capture any =
traces.
> Thank you.
> --=20
> Andriy Gapon
>=20
>=20
> https://standforukraine.com
> https://razomforukraine.org
>=20




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