On Wednesday, 8 May 2019 02.58.56 WEST Sam Varshavchik wrote:
> I distinctly remember reading somewhere about boot video mode initialization
> changes that were going into F30. IIRC, something about a "flicker-free"
> effort that tries to switch the video mode only once, permanently, during
> boot, and sticking with the same video mode all the way to the desktop. 
> I updated a system with an Nvidia chipset (an older Nvidia chipset that's  
> natively supported in Xorg without the need for a binary blob) that does
> not use plymouth, it boots using an old-fashioned system console, until X
> starts. In F29 its grub menu came up in standard VGA, then the mode quickly
> changes to 132 column VGA for the duration of the boot, until the regular
> 1920x1080 desktop. The 132 column VGA apparently is a 1920x1080 bitmap, so
> I pretty much had a single video mode change, already.
> 
> After updating to F30, this grub menu comes up unexpectedly in some video  
> mode that looks like a 640x480 VGA mode. The font looks even larger than a
> normal 80 character font. After selecting the kernel, the boot starts, but
> only after an unnervingly lengthy delay, I'd say about 5-10 seconds, with a
> completely blank screen, before it switches to the same 132 column VGA,
> with the boot proceeding normally. This gave me heart palpitations,
> briefly, making me believe that the update bricked it.
> 
> I can't find anything in the release notes or the documentation, about  
> fiddling boot screen modes. Any pointers?

Hans has a series of blog posts about this, the last one is:
https://hansdegoede.livejournal.com/20632.html

Regards,
-- 
José Matos

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