Interesting enough. It would be nice if you find out what exactly triggered your VM to reset.
— Vitaliy > On 1 Aug 2022, at 17:39, Andriy Gapon <a...@freebsd.org> wrote: > > On 2022-07-10 20:28, Gleb Smirnoff wrote: >> On Thu, Jul 07, 2022 at 03:29:04PM +0300, Andriy Gapon wrote: >> A> I have a strange issue with running an 'appliance' image based on >> A> FreeBSD 12 in bhyve on a machine with Ryzen 5800x processor. >> A> >> A> The problem is that the guest would run for a while and then the host >> A> would suddenly reset itself. It appears like a triple fault or >> A> something with similar consequences. >> A> >> A> The time may be from a few dozens of minutes to many hours. >> A> >> A> Just to be clear, no such thing occurs if I do not run the guest. >> A> Also, I have an older AMD system (pre-Zen), the problem does not happen >> A> there. >> A> A vanilla FreeBSD 12.3 installation that just sits idle also does not >> A> cause the problem. >> A> >> A> Does anyone have an idea what the problem could be? >> A> What workaround or diagnostics to try? >> A> Anybody else seen something like this? >> A> >> A> Since it's the host that resets it would be hard to capture any traces. >> I also run bhyve on Ryzen since late 2021 and never had such an issue. >> But not FreeBSD 12, I run the head. > > > Thank you everyone who responded. It seems that the problem was with some > BIOS configuration changes, probably related to the power settings. > Once I reset everything to factory defaults (plus some minimum "safe" and > well-understood changes) the problem went away. > It's really surprising that I saw it only with bhyve and only with the > particular kind of VMs. Perhaps there was a workload pattern that triggered a > hardware bug or overloaded some specific module. > > Anyways, sorry for the noise and thank you for the help. > > -- > Andriy Gapon > > > https://standforukraine.com <https://standforukraine.com/> > https://razomforukraine.org <https://razomforukraine.org/>
