Public bug reported:
Hello,
i have issues with plymouth on a imac 12,1.
When starting a 64bit kernel on the imac i get a console and i can start X.
When starting a 32bit kernel on the imac i don't get a console and i
cannot start X.
I have been troubleshooting this for a while now and i thought it was an
error in the graphics driver, but that has been ruled out with the help
of the upstream developers.
I have then removed plymouth from the 32bit initrd (just removed the
scripts) and my console started to work. So then i enabled
plymouth:debug on the kernel cmd on both the 64bit kernel and the 32bit
and i was a little surprised to see that the 64bit initrdl tried to load
the i915 driver and failed and the 32bit driver loaded the radeon driver
and succeeded but there my console gets disabled somehow.
Attached the debug logs for 64bit and 32bit plymouth debug.
This system has a hybrid graphics setup. It contains a intel graphics
card and a discrete radeon GPU (where the monitor is connected to).
** Affects: plymouth (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1107642
Title:
Plymouth partly working on imac 12,1 with different results on 32bit
and 64bit kernel
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