Public bug reported:
MacBookAir7,1 (i5-5250U)
MacBookPro12,1 (i5-5287U)
iMac14,1 (i5-4570R)
With three older Macs I am trying Plucky versions from the past two
weeks or so fail to boot.
The built-in displays stay blank but the backlight is visible until I
force the computers to power off. External video doesn't show anything.
I have tried both installed (more below) and live images. With the live
image the GRUB menu with "Try or install" does show up.
All three do boot normally to 24.10 live images. The iMac has 24.10
installed which also boots fine.
The two MacBooks have Plucky installed, one upgraded from an earlier
version and one installed several weeks ago. Plucky booted fine until
around 2025-03-16 when this boot issue started, both with the installed
version and the live image. I know this because it caused me to set
these aside until now when I had a chance to look closer and find a non-
Mac computer that I installed on that date.
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: plucky
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https://bugs.launchpad.net/bugs/2105402
Title:
Plucky fails to boot on (older) Macs
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