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bug#40538: installer: Support uvesafb to install on machines without KMS
From: |
Ludovic Courtès |
Subject: |
bug#40538: installer: Support uvesafb to install on machines without KMS. |
Date: |
Tue, 14 Apr 2020 12:09:12 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) |
Hi,
"pelzflorian (Florian Pelz)" <address@hidden> skribis:
> That is good to hear! The options I know of are:
>
> 1) Make the loading of the uvesafb kernel module by the installer
> conditional. For your GPU, don’t load uvesafb, if before it worked
> without.
>
> 2) Add modprobe.blacklist=i915 to the default kernel parameters (or
> whatever the kernel module for this GPU is), so this kind of GPU
> always only uses uvesafb.
>
> 3) Add nomodeset to the default kernel parameters for the installer,
> so all GPUs always use uvesafb.
>
> I do not know if uvesafb works on all display technologies though.
Would there be a way to load uvesabf only on hardware where it’s known
to fix things?
Or better yet, is there a way to check whether KMS is already using
another driver, and to not load uvesafb in that case? Probably there’s
some info in /sys.
> uvesafb certainly is not supported on ARM (though maybe it works; the
> README of uvesafb’s helper program v86d just says it is not supported).
Let’s forget about ARM, we don’t ship Guix System installation images
for ARM.
Ludo’.
- bug#40538: installer: Support uvesafb to install on machines without KMS., (continued)
- bug#40538: installer: Support uvesafb to install on machines without KMS., Mathieu Othacehe, 2020/04/12
- bug#40538: installer: Support uvesafb to install on machines without KMS., pelzflorian (Florian Pelz), 2020/04/12
- bug#40538: installer: Support uvesafb to install on machines without KMS., Bengt Richter, 2020/04/12
- bug#40538: installer: Support uvesafb to install on machines without KMS., pelzflorian (Florian Pelz), 2020/04/12
- bug#40538: installer: Support uvesafb to install on machines without KMS., Bengt Richter, 2020/04/13
- bug#40538: installer: Support uvesafb to install on machines without KMS., pelzflorian (Florian Pelz), 2020/04/13
- bug#40538: installer: Support uvesafb to install on machines without KMS., pelzflorian (Florian Pelz), 2020/04/14
- bug#40538: installer: Support uvesafb to install on machines without KMS., Mathieu Othacehe, 2020/04/14
- bug#40538: installer: Support uvesafb to install on machines without KMS., pelzflorian (Florian Pelz), 2020/04/14
- bug#40538: installer: Support uvesafb to install on machines without KMS., pelzflorian (Florian Pelz), 2020/04/14
- bug#40538: installer: Support uvesafb to install on machines without KMS.,
Ludovic Courtès <=
- bug#40538: installer: Support uvesafb to install on machines without KMS., pelzflorian (Florian Pelz), 2020/04/14
- bug#40538: installer: Support uvesafb to install on machines without KMS., pelzflorian (Florian Pelz), 2020/04/14
- bug#40538: installer: Support uvesafb to install on machines without KMS., Ludovic Courtès, 2020/04/14
- bug#40538: installer: Support uvesafb to install on machines without KMS., Mathieu Othacehe, 2020/04/14
- bug#40538: installer: Support uvesafb to install on machines without KMS., pelzflorian (Florian Pelz), 2020/04/14