[Bug 1038055] Re: graphics fail to initialise correctly, in kvm with cirrus graphics (after LUKS install)

[Joseph Salisbury]

This issue appears to be an upstream bug, since you tested the latest
upstream kernel.  Would it be possible for you to open an upstream bug
report[0]?  That will allow the upstream Developers to examine the
issue, and may provide a quicker resolution to the bug.

If you are comfortable with opening a bug upstream, It would be great if
you can report back the upstream bug number in this bug report.  That
will allow us to link this bug to the upstream report.

[0] https://wiki.ubuntu.com/Bugs/Upstream/kernel

** Tags removed: kernel-key

** Tags added: kernel-da-key kernel-key

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https://bugs.launchpad.net/bugs/1038055

Title:
  graphics fail to initialise correctly, in kvm with cirrus graphics
  (after LUKS install)

Status in “cryptsetup” package in Ubuntu:
  Invalid
Status in “grub2” package in Ubuntu:
  Invalid
Status in “linux” package in Ubuntu:
  Confirmed
Status in “plymouth” package in Ubuntu:
  Invalid
Status in “ubiquity” package in Ubuntu:
  Invalid

Bug description:
  reproducible with ubiquity or alternate installer in KVM virtual machine:
  1) select lvm + encrypted instalation

  
  it fails to boot, in a way that I get "no video mode activated" and I cannot type the password in to unlock the drive.

  As a workaround, I had to:
  1) force reboot machine
  2) then grub options come up
  3) select recovery mode
  4) then I can enter the password using text interface
  5) resume normal boot

  Disabling splash, brings up text interface to unlock the drive &
  allows to boot.

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