Re: Removal of vesa and fbdev X.org drivers from Rawhide and Fedora 41

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On Thu, 2024-10-17 at 19:42 +0100, Peter Robinson wrote:
> On Thu, 17 Oct 2024 at 16:48, Adam Williamson
> <adamwill@xxxxxxxxxxxxxxxxx> wrote:
> > 
> > On Mon, 2024-10-07 at 10:42 -0700, Adam Williamson wrote:
> > > I noticed that the vesa and fbdev X.org drivers were recently retired
> > > from Rawhide. There appears to be no Change for this. The commit
> > > messages for the retirements refer to this old Change:
> > > 
> > > https://fedoraproject.org/wiki/Changes/ReplaceFbdevDrivers#Detailed_Description
> > > 
> > > but that Change was for Fedora 36, and was considered "completed" at
> > > the time with no removal of any X.org drivers. The scope of that Change
> > > says nothing about retiring X.org drivers.
> > > 
> > > This has had at least one substantial impact that somebody noticed:
> > > https://lists.fedoraproject.org/archives/list/test@xxxxxxxxxxxxxxxxxxxxxxx/message/BU46CQS64XWVDANVXLXUE3KVLZLWPSG5/
> > > 
> > > booting with 'nomodeset', which has decades of history as a standard
> > > workaround for having some kind of issue with the native driver for
> > > your hardware, no longer works, it seems.
> > > 
> > > To me this is a significant change which maybe should be a Change, not
> > > just slipped in with reference to a Change from six releases ago which
> > > did not have this in its scope.
> > 
> > I've checked, and it appears this has now mostly also been applied to
> > Fedora 41 :(
> > 
> > xorg-x11-drv-fbdev has been retired in F41. xorg-x11-drv-vesa has not,
> > but there is no installable build of it at present, and xorg-x11-server
> > has been set to Obsolete it:
> > 
> > https://src.fedoraproject.org/rpms/xorg-x11-server/c/083eae606156350e911d9ad663a9219a92dbe363?branch=f41
> > 
> > I believe this was done *way* too late for Fedora 41 (after Beta!) and
> > without anywhere near sufficient advance notification and discussion.
> > We have not run the "basic video driver" tests since Beta, but I'm very
> > worried they will be broken. I'll run them today and see.
> 
> Maybe that needs the vesa driver but in the case of fbdev we disabled
> the /dev/fbX interfaces as part of a change a few cycles ago and hence
> without that the fbdev driver is useless.
> 
Yeah, I was more worried about vesa.

I've now tested and basic graphics mode works OK on UEFI and BIOS on
both GNOME and KDE with a recent F41 image, so that's good. It uses
Wayland in all cases so no X drivers involved. The other case I'm
concerned about is doing a basic graphics install of Fedora 39, and
upgrading. I'll try to test that later.
-- 
Adam Williamson (he/him/his)
Fedora QA
Fedora Chat: @adamwill:fedora.im | Mastodon: @adamw@xxxxxxxxxxxxx
https://www.happyassassin.net




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