GNU bug report logs - #24948
Illegible GRUB menu

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From: Leo Famulari <leo <at> famulari.name>
To: 24948 <at> debbugs.gnu.org
Subject: bug#24948: Illegible GRUB menu
Date: Tue, 15 Nov 2016 16:54:43 -0500

[Message part 1 (text/plain, inline)]

On my Thinkpad x200s running GuixSD, the graphical GRUB menu is
scrambled and illegible. I've attached a photograph of the problem.

The grid of dots is stable, while the faint yellow horizontal lines
dance around. I can tell it's the GuixSD GRUB image, but it's scrambled.

I am able to press Enter to skip the GRUB timeout, and the system does
boot normally.

This is not a recent regression; I've been working around it with the
diff below for a few months now.

I don't know very much about computer graphics. Please let me know what
information I can provide.

diff --git a/gnu/system/grub.scm b/gnu/system/grub.scm
index ead48f0..61c799d 100644
--- a/gnu/system/grub.scm
+++ b/gnu/system/grub.scm
@@ -183,7 +183,7 @@ the store is.  SYSTEM must be the target system string---e.g.,
   insmod video_bochs
   insmod video_cirrus
   insmod gfxterm
-  terminal_output gfxterm
+  terminal_output console
 "
         ""))
 

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