[Bug 1925010] Re: shim-signed does not boot on MBA 5,2

Andreas Hasenack 1925010 at bugs.launchpad.net
Mon Apr 19 17:25:41 UTC 2021


More details, it's a T420 in uefi mode, but not secure boot. I was
running groovy, and just upgraded to hirsute with do-release-upgrade -d.
It just wouldn't boot from the disk anymore after that. Black screen, no
disk activity, no ctrl-alt-del response. I always had to power cycle it.

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Title:
  shim-signed does not boot on MBA 5,2

Status in shim package in Ubuntu:
  Confirmed
Status in shim-signed package in Ubuntu:
  Confirmed

Bug description:
  The latest update on Hirsute made the MacBook Air from 2012
  unbootable.

  It could be recovered by booting a 20.04 live CD, downloading 20.04's
  shim package and overwriting the files in EFI/ubuntu and EFI/BOOT with
  the files shipped in the shim package.

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