[Bug 247636] Ubuntu 18.04 & 20.04 guest kernel panic on boot with 12.1 bhyve + graphical UEFI

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=247636

            Bug ID: 247636
           Summary: Ubuntu 18.04 & 20.04 guest kernel panic on boot with
                    12.1 bhyve + graphical UEFI
           Product: Base System
           Version: 12.1-STABLE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: bhyve
          Assignee: virtualization at FreeBSD.org
          Reporter: drum at graphica.com.au

Created attachment 216037
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=216037&action=edit
Screen shot of kernel panic

BUG:

Setup: Nested virtualisation with: Layer 0 - Ubuntu 20.0 KVM, Layer 1 - FreeBSD
12.1 with bhyve and UEFI, Layer 2 - Ubuntu 18.04 & 20.04 Guest VM

Observered Behaviour:

Starting both Ubuntu 20.04 & 18.04 (Server & Desktop CD-ROMs) VM with bhyve on
FreeBSD 12.1 results in VM crashing with kernel panic.
(see attachment for UEFI VNC screen shot)


Expected Behaviour:

Ubuntu CD Install Boot to allow installation onto HD image.

DIAGNOSTICS:

I have done extensive testing of nested virtualisation:
Layer 0 - Ubuntu 20.04 with QEMU / KVM / libvirt
Layer 1 - FreeBSD 12.1 with OVMF Guest running bhyve hypervisor

Layer 2 - Guest Testing:

Layer 2 - FreeBSD 12.1 with UEFI rom + serial console - WORKS
Layer 2 - FreeBSD 12.1 with UEFI rom + graphical boot - WORKS
Layer 2 - Ubuntu 20.04 Server & Desktop with UEFI rom + graphical boot - FAILS
Layer 2 - Ubuntu 18.04 Server & Desktop with UEFI rom + graphical boot = FAILS


Bhyve command line:

# bhyve -c2 -m 2048 -H -A -s 0:0,hostbridge -s 1:0,lpc -s 2:0,e1000,tap0 -s
3:0,ahci-hd,./VM_DSK.img -s 4:0,ahci-cd,./ubuntu-18.04.4-live-server-amd64.iso
-s 29,fbuf,tcp=0.0.0.0:5900,w=1024,h=768,wait -s 30,xhci,tablet -l com1,stdio
-l bootrom,/usr/local/share/uefi-firmware/BHYVE_UEFI.fd VM_NAME

I have documented my testing extensively here:
https://tips.graphica.com.au/freebsd-virtualisation-with-bhyve/

My configuration included work around to disable "virtual interrupt delivery"
as this was required to get FreeBSD nested guest to boot successfully.
See bug report here: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=246168

Happy to do other testing as required.

Thank you for any tips/advise/help/

Regards,


John Hartley.

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