Date: Mon, 19 Oct 2020 16:49:26 -0700 From: Vincent Milum Jr <freebsd-arm@darkain.com> To: Robert Crowston <crowston@protonmail.com> Cc: "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org> Subject: Re: FreeBSD under VMware ESXi ARM Fling Message-ID: <CAOWUMWEXiiw-avXQd9GKKn=xLdgxVKuU=opZ67UfkwnQvJb0GQ@mail.gmail.com> In-Reply-To: <MZwl7SSjlHcZjH-qrI8Y2N96hag_TxajCc0K-Lmk6dPB7G64Nn7xm2e9ciPi8t9lK7yzgonrcy2zchruftUdat-FzCTbiUKJ8xu0Zr8fED0=@protonmail.com> References: <CAOWUMWF-%2BRg2syHnPZN28i1TB0-jr3P_eNsnSTL_48pZGqWjSw@mail.gmail.com> <gkECxHG3AZsNQOlRwjvFTnG3WZNYizcF5LicaGDvV1_qzBWqtJW4kSNRSZ-GEI3J8GKEjifr7kq-xBnGb-SjjjQt33MgoLsSTTQUubYVyh8=@protonmail.com> <CAOWUMWGWECs2VVo9afE5KB5csAQGCEq-=d4EbSJP5kFxv2mg5w@mail.gmail.com> <MZwl7SSjlHcZjH-qrI8Y2N96hag_TxajCc0K-Lmk6dPB7G64Nn7xm2e9ciPi8t9lK7yzgonrcy2zchruftUdat-FzCTbiUKJ8xu0Zr8fED0=@protonmail.com>
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According to the ESXi devs, there is no SIO controller currently, and I believe this is required for the virtual serial ports to work https://flings.vmware.com/esxi-arm-edition/bugs/1104 I'm not sure about debugging through ESXi. I'll forward these questions to them and see what they say. On Mon, Oct 19, 2020 at 1:52 PM Robert Crowston <crowston@protonmail.com> wrote: > My initial hypothesis was wrong. > > I had meant, can you provide a text copy of the dmesg (collected from a > serial port!)! > > But, from the video, it seems that as soon as we get to the Release APs > phase, there is some race condition that is causing text to be concurrent= ly > written to the screen by multiple processors--you can see it becomes > garbled. KDB is entered shortly before the "Release APs..." is printed to > the screen, but text continues to be written to the console. [We don't > really know in what order these events happen, though.] A panic() is > triggered within a few moments. At this point, we enter termcn_cnputc(), > and violate a KASSERT in __mtx_lock_spin_flags. This causes a recursive > panic. > > For me the next logical step would be to attach a debugger to the guest > process. Any idea if ESXi ARM allows debug or single stepping of guests? > > -- RHC. > > On Mon, Oct 19, 2020 at 20:19, Vincent Milum Jr <freebsd-arm@darkain.com> > wrote: > > > I'm not too familiar with the FreeBSD kernel itself. Here is a recordin= g > of booting the VM from the 13.0 2020-10-15 Snapshot ISO. There are a few > different outcomes that seem to randomly happen when booting. > > > > https://www.youtube.com/watch?v=3DLs9gkQ14Z-A > > > > On Mon, Oct 19, 2020 at 11:49 AM Robert Crowston < > crowston@protonmail.com> wrote: > > > > > > The largest issue currently is that SMP will cause the FreeBSD > kernel to > > > panic during boot. > > > > > > Could you send the panic? > > > > > > I=E2=80=99m guessing lack of spintable support. > > > > > > =E2=80=94 RHC. > > > > > > On Mon, Oct 19, 2020 at 07:19, Vincent Milum Jr < > freebsd-arm@darkain.com> wrote: > > > > > > > Recently, VMware released what they're calling "ESXi ARM Fling" - a= n > > > > ARM64/Aarch64 version of VMware ESXi server. > > > > > > > > Details of the release along with the download can be found here: > > > > https://flings.vmware.com/esxi-arm-edition > > > > > > > > They support a number of ARM platforms already, most notably is the > > > > Raspberry Pi > > > > 4 (only 4GB and 8GB models). They have instructions on their site o= n > how to > > > > install and configure the UEFI firmware on the Pi for getting the > ESXi > > > > installer > > > > and then ESXi itself up and running. > > > > > > > > UEFI builds of FreeBSD ARM64/Aarch64 mostly work "out of the box" > under ESXi > > > > ARM, whereas ARM 32-bit kernels are not supported by any guest OS > under ESXi > > > > ARM. > > > > > > > > There are, however, some areas that could use some improvement, or > need some > > > > massive work to get working. > > > > > > > > The largest issue currently is that SMP will cause the FreeBSD > kernel to > > > > panic > > > > during boot. A VM with only one single vCPU however will boot and > run just > > > > fine. > > > > > > > > Prior to the 13.0-CURRENT snapshot 2020-10-15, the CD-Rom driver wa= s > not > > > > included with the ARM64 builds, so the ISO would fail to mount > itself on > > > > boot. This > > > > means the easiest way to try earlier versions, such as 12.1-RELEASE= , > you'll > > > > need > > > > to either convert the pre-built vmdk file from Workstation to ESXi > format, > > > > or > > > > convert the raw disk image to ESXi vmdk format. This is how I > initially got > > > > FreeBSD up and running prior to the 2020-10-15 snapshot. > > > > > > > > Every version of FreeBSD I've tested on ARM is lacking several > drivers by > > > > default. > > > > > > > > uhci for USB 2.0 is not enabled by default. Ensure your VM is > initially set > > > > up > > > > for USB 3.1 so the virtual keyboard and mouse will function. This i= s > easy > > > > enough > > > > to fix post install with: uhci_load=3D"YES" > > > > > > > > ums is the same as above. ESXi ARM uses USB instead of PS2 for the > virtual > > > > mouse, so add this post install if you want mouse support: > ums_load=3D"YES" > > > > > > > > vmxnet and pvscsi are not pre-compiled. However, they compile and > operate > > > > perfectly as expected without any modification on ARM. > > > > > > > > vmci has some x86 assembly that I've not dug into yet, so that is > currently > > > > not > > > > working. > > > > > > > > I've documented in detail, and continue to update as I test more > drivers > > > > over on > > > > my blog: > > > > > https://vincerants.com/freebsd-on-esxi-arm-fling-fixing-virtual-hardware/ > > > > > > > > The ESXi UI has a known bug in that it'll list some virtual hardwar= e > that > > > > doesn't actually exist inside of the VM. These are all legacy > devices, and > > > > should be easy enough to figure out. There are no virtual IDE/ATA o= r > PS2 > > > > ports. > > > > Keyboard and mouse now use the virtual USB controller instead. > > > > > > > > open-vm-tools has required a bit of work to make functional on > FreeBSD under > > > > ARM. There is currently a patch open with VMware with my changes to > the > > > > codebase > > > > to make it functional. To make things easy, I've uploaded some > pre-compiled > > > > binaries to my blog, as well as included steps to compile this > customized > > > > package yourself. The blog will also be updated as development > progresses > > > > upstream with VMware. > > > > > https://vincerants.com/open-vm-tools-on-freebsd-under-vmware-esxi-arm-fli= ng/ > > > > > > > > Xorg desktop runs, and is mostly functional. I've yet to get the > > > > xf86-input-vmmouse or xf86-video-vmware working. Xorg can use > sysmouse and > > > > the > > > > console framebuffer for rendering, and this is working okay for bas= ic > > > > testing > > > > right now. > > > > > > > > I also have an early dmesg, but this was from before getting most > drivers > > > > working. > > > > https://dmesgd.nycbug.org/index.cgi?do=3Dview&id=3D5693 > > > > > > > > I welcome any additional feedback on getting FreeBSD to 100% under > ESXi ARM! > > > > > > > > - Vince (darkain) > > > > _______________________________________________ > > > > 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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