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Old 05-24-2020, 04:01 PM   #1
Zexuo
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xscreensaver unable to find alternatives to fonts


Since the current update this past Wednesday xscreensaver on my 32-bit host gives me error messages of the form

Code:
xscreensaver: unable to find any alternatives to "{some font}"
These errors match those found in this Arch Linux forum post from 2018: https://bbs.archlinux.org/viewtopic.php?id=240253 .

The has an effect on the appearance of the login dialog box.

I have an otherwise identical 64-bit installation which does not get this error and has no change to the appearance of the xscreensaver login dialog box. That machine has the same font packages installed, but with the addition of Alien Bob's compat32 font packages.

Any clues as to where I should look at this point?
 
Old 05-25-2020, 08:23 PM   #2
frankbell
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I have to ask this just to cover all the bases, but is the font named in the error message present on the system?

Have you checked in the log files? I frankly am skeptical that you will find more than stated in the error message, but the possibility should not be overlooked.
 
Old 05-25-2020, 09:58 PM   #3
Zexuo
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I started xfontsel on the unaffected system and composed the top font on the list. On the affected system I got the following output when starting xfontsel:

Code:
Warning: Unable to load any usable ISO8859 font
Warning: Missing charsets in String to FontSet conversion
Error: Aborting: no font found
 
Old 05-25-2020, 10:19 PM   #4
frankbell
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You might try a web search for "Unable to load any usable ISO8859 font." It turns up a number of links. I'd start with this one: https://forums.gentoo.org/viewtopic-...view-next.html

As an aside, ISO8859 is a relatively rare font type and I've not encountered anything like this myself.
 
Old 05-27-2020, 09:51 PM   #5
dugan
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Are the locale settings (for example, the values of $LANG and $LC_ALL) the same on both systems?
 
Old 05-28-2020, 12:08 AM   #6
ehartman
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Quote:
Originally Posted by frankbell View Post
As an aside, ISO8859 is a relatively rare font type and I've not encountered anything like this myself.
ISO 8859-* is a character set encoding (with multiple alternatives). There should be a LOT of fonts, in differing resolutions, that render these characters.
In Slackware - for instance - the packages
font-adobe-75dpi, font-adobe-100dpi, font-adobe-utopia-75dpi, font-adobe-utopia-100dpi, font-bh-75dpi, font-bh-100dpi, font-bh-lucidatypewriter-75dpi, font-bh-lucidatypewriter-100dpi, font-misc, font-schumacher and font-util contain ISO8859 fonts, with names like
timR18-ISO8859-1.pcf (Times Roman regular) or
courBO18-ISO8859-1.pcf (Courier bold)

Unlike the ttf (TrueType Fonts) they are fixed resolution, so the same font is delivered in different pixel sizes (18-points in above cases).

Last edited by ehartman; 05-28-2020 at 01:31 AM.
 
Old 05-28-2020, 03:03 AM   #7
Zexuo
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Quote:
Originally Posted by dugan View Post
Are the locale settings (for example, the values of $LANG and $LC_ALL) the same on both systems?
They have the same values:

Code:
LANG=en_US.UTF-8
LC_COLLATE=C
LC_CTYPE=en_US.utf8
LC_TIME=en_DK.utf8
Neither has LC_ALL set for the user in question. At any rate these values did not change across the update boundary.
 
Old 05-28-2020, 02:07 PM   #8
Poprocks
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I've had a similar issue recently on current, but only on one of my machines, and only on current.

I'm not having this issue with xscreensaver though.

Can you try running `LANG=C xfontsel` and see if it starts?
 
Old 05-28-2020, 02:37 PM   #9
Zexuo
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Quote:
Originally Posted by Poprocks View Post
I've had a similar issue recently on current, but only on one of my machines, and only on current.

I'm not having this issue with xscreensaver though.

Can you try running `LANG=C xfontsel` and see if it starts?
I get no difference in output from xfontsel with LANG=C. Could you describe the problem you saw?
 
  


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