A little more progress. Disabling kernel mode-setting (with nomodeset in grub) seems to consistently force it into the state described by comment #2 (correctly named, with an even smaller list of available resolutions).
A little more progress. Disabling kernel mode-setting (with nomodeset in grub) seems to consistently force it into the state described by comment #2 (correctly named, with an even smaller list of available resolutions).