GNU bug report logs - #60010
[version 1.4.0] AMD screen stays black; modprobe fails

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From: "pelzflorian (Florian Pelz)" <pelzflorian <at> pelzflorian.de>
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: 60010 <at> debbugs.gnu.org
Subject: bug#60010: [version 1.4.0] AMD screen stays black; modprobe fails
Date: Wed, 14 Dec 2022 14:49:46 +0100

Ludovic Courtès <ludo <at> gnu.org> writes:
> Do you see hints as to whether uvesafb gets loaded?
>
> You can do that by adding “console=ttyS0” to the kernel arguments and by
> passing ‘-serial stdio’ to QEMU.

This serial output shows nothing about uvesafb, but dmesg contains about
uvesafb exactly the same modprobe failure as initially without
LINUX_MODULE_DIRECTORY.

I shall try Brice Waegeneire’s kernel-module-loader-service.  This
cannot be a solution because some computers do already have /dev/fb0 and
doing modprobe uvesafb regardless makes their screen go awry.  But it
will be interesting to know if it still works.

Also of course uvesafb still worked fine in November when we added
hardware support warnings to the installer, not long ago, not August.
Probably restoring the old linux kernel would be a workaround too.

Regards,
Florian

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