Date: Mon, 22 Feb 2021 17:00:43 -0800 From: Vincent Milum Jr <freebsd-arm@darkain.com> To: Michael Tuexen <tuexen@freebsd.org> Cc: freebsd-arm@freebsd.org Subject: Re: Running current in Parallels 16.3.2 Message-ID: <CAOWUMWG4YY5vt5XkuoOwMXi5DfB57cXLnO9d3UuikrdXR-fTfg@mail.gmail.com> In-Reply-To: <08F81EB7-251B-4CCC-911E-4094A83FE356@freebsd.org> References: <5189D185-4A1F-43A0-A61D-E3D24CC74B3D@freebsd.org> <CAOWUMWH-7fjBdf%2BEnKospFTU2Y7LmmOa0NrJFo1Uc_9kjNMaMQ@mail.gmail.com> <08F81EB7-251B-4CCC-911E-4094A83FE356@freebsd.org>
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In my testing of FreeBSD under ESXi ARM Fling, I never tested SMP under single-user mode. However, from what I recall, the stalling was in CPU initialization, not in storage mounting. On Mon, Feb 22, 2021 at 1:42 PM <tuexen@freebsd.org> wrote: > > > > On 18. Feb 2021, at 00:28, Vincent Milum Jr <freebsd-arm@darkain.com> > wrote: > > > > We had similar issues getting FreeBSD SMP working under ESXi ARM Fling. > In > > that instance, there were bugs in both the hypervisor as well as in > FreeBSD. > > > > With the FreeBSD kernel fixes, I tested those on Parallels last night, > but > > still no go with SMP. There is possibly more work to do in the kernel, > but > > may also be some bugs in the hypervisor as well. > > > > For ESXi ARM Fling, the issues all revolved around the GIC (Generic > > Interrupt Controller) and the way inter-CPUs communication happened. If > > memory serves me correctly, one CPU core was waiting on another CPU core > to > > finish initialization and report back in a "ready" state so to speak. > Where > > Parallels with FreeBSD is hanging, and how it is hanging, looks virtually > > identical from my very limited testing last night. > If you boot into single user mode, the system comes up and uses multiple > CPUs. > Then using ^D to start multi user mode shows that mount seems to hang. You > can > use ^T, but it never finishes. Is that what you observed on ESXi? > > Best regards > Michael > > > > On Wed, Feb 17, 2021 at 3:05 PM Michael Tuexen <tuexen@freebsd.org> > wrote: > > > >> Dear all, > >> > >> I tried running current on an ARM-based Mac using the technical preview > of > >> Parallels. > >> With using only a single CPU, everything seems to run fine. One can git > >> clone the > >> source tree, do a buildworld / buildkernel and install it and run it. > >> Pretty stable, > >> not problems. > >> > >> When using more than one CPU, the kernel doesn't completely boot. It > gets > >> stuck after > >> reporting that the file system is clean. The system also does not > respond > >> to keyboard > >> input anymore. > >> > >> Any idea what is going wrong or how to figure out if this is a problem > >> related to > >> FreeBSD or to Parallels? > >> > >> Best regards > >> Michael > >> _______________________________________________ > >> freebsd-arm@freebsd.org mailing list > >> https://lists.freebsd.org/mailman/listinfo/freebsd-arm > >> To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org" > >> > > _______________________________________________ > > freebsd-arm@freebsd.org mailing list > > https://lists.freebsd.org/mailman/listinfo/freebsd-arm > > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org" > >
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