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

[dann frazier]

Behavior is the same after reverting to yakkety grub. This issue follows
the guest kernel that we are rebooting *from*:

kernel running  |  kernel we  |  Reboot
  at reboot     | reboot into |  Success?              
--------------------------------------------
     4.10       |   4.10      |  Failure
     4.8        |   4.8       |  Success
     4.10       |   4.8       |  Failure
     4.8        |   4.10      |  Success

This suggests a bug in QEMU/qemu-efi. I suppose it could also be a bug
in the kernel if it were a long-standing issue with boottime init that
existed in 4.8 but was never tickled until now.

** Also affects: linux (Ubuntu)
   Importance: Undecided
       Status: New

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

Title:
  arm64: Synchronous Exception at 0x00000000BBC129BC

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