[Bug 1675522] Re: arm64: Synchronous Exception at 0x00000000BBC129BC

[ChristianEhrhardt]

Hi Dann, thanks for your checks already!
Are you intending to break this down if e.g. Yakkety qemu is fixed as well as zesty seems?
And then once we know if Y is good maybe even down to a bisect of qemu in that regard?

Given your checks already the test seems to be as "easy" as "boot zesty
+ reboot = crash".

Do you happen to know:
- if it makes a difference what exact arm HW (more diverse than x86 at least) the host has?
- if it could be reproduced on qemu on x86 doing arm emulation?

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https://bugs.launchpad.net/bugs/1675522

Title:
  arm64: Synchronous Exception at 0x00000000BBC129BC

Status in edk2 package in Ubuntu:
  Invalid
Status in grub2 package in Ubuntu:
  Invalid
Status in linux package in Ubuntu:
  Invalid
Status in qemu package in Ubuntu:
  New

Bug description:
  I installed a KVM VM with the zesty beta server ISO. The install went
  well but, upon reboot, GRUB entered a Synchronous Exception loop after
  selecting the Ubuntu boot option.

  After killing qemu-system-aarch64 and restarting the VM, the system
  booted to a prompt w/o issue.

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