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Old 07-07-2014, 01:52 AM   #1
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Registered: Jul 2014
Posts: 6

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Unhappy Fontconfig-Error won't go away

Because my last threat doesn't work for some reason ("invalid post specified" when clicking on it) I post it again:

I almost despair of bugfixing the following problem:

QIconvCodec::convertFromUnicode: using Latin-1 for conversion, iconv failed for BOM: Bad file descriptor
QIconvCodec::convertToUnicode: using Latin-1 for conversion, iconv_open failed
QIconvCodec::convertFromUnicode: using Latin-1 for conversion, iconv_open failed
Fontconfig error: Cannot load default config file
It's the output of a gui-application, showing nothing but boxes instead of characters in dialogues.

I googled around and people say it's fontconfig having trouble finding /etc/fonts/fonts.conf

I checked that but the file exists and is accessible.

Other people say it's pango not finding /etc/pango/pangorc or ~/.pangorc. Again I checked both: Both files are present and accessible.

In another threat somebody claims missing fonts were the problem causing the strange message. So I installed additional fonts to satisfy some entries in xorg.conf:

xorg.conf file :
Section “Files”
FontPath “/usr/share/fonts/X11/100dpi”
FontPath “/usr/share/fonts/X11/75dpi”
FontPath “/usr/share/fonts/default/ghostscript”
In my xorg.conf even more nonexistent font-paths are mentioned. I tried removing them but the entries reappear after reboot.

I installed
but the problem persists.

I built pango, fontconfig and freetype from source and reinstalled them - problem still present.

I reinstalled
fontconfig-config with it's dependencies: perl-base, ucf and debconfig, and installed libqtcore4_4.8.2+dfsg-11
- no change of problem.

After google can't give me anything new on the error-message (I really visited all the pages) I'm asking here now: Can please (!!!) somebody help me hunting down that error?


Forgot mentioning that I also placed a script in /root/.kde/env/ to set two variables globally:

export FONTCONFIG_PATH=/etc/fonts
export PANGO_RC_FILE=/etc/pango/pangorc
Also, I found this threat reading

Sounds like fontconfig got miscompiled somehow. It seems most likely that
the FONTCONFIG_PATH didn't get defined correctly.

Check your Makefile in src and ensure that you have something like:

sysconfdir = /etc
CONFDIR = ${sysconfdir}/fonts
INCLUDES = $(FREETYPE_CFLAGS) $(EXPAT_CFLAGS) -DFONTCONFIG_PATH='"$(CONFDIR)"' -I$(top_srcdir) -I$(top_srcdir)/src

Then run 'strings' on fccfg.o and make sure /etc/fonts is present in the
object file.
It's a quiet old post (dated 2003). In present fontconfig-source I couldn't find the mentioned lines in the /src/Makefile. Also don't know what the last line means:

Then run 'strings' on fccfg.o and make sure /etc/fonts is present in the
object file.
Old 07-08-2014, 11:58 AM   #2
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Registered: Jul 2002
Location: East Centra Illinois, USA
Distribution: Debian stable
Posts: 5,908

Rep: Reputation: 356Reputation: 356Reputation: 356Reputation: 356
In times past, occasionally an application would encounter an error condition on opening the app. The error condition could be kept in a file in the users home directory. All attempts to get the app started would fail until the error file was deleted.

I don't know if that is what is happening with pango, BUT, on examining mine, I see in the <itemData> section a reference to Error. So, pango could be keeping an error file somewhere which doesn't allow you to get past it to see if your reinstallations have done any good.

In a terminal, run locate pango.xml. If it exists it should be somewhere in your home directory. Delete it. Also delete ~/.pangorc. A new one of each will be written the next time you use pango.

The only other thing that I can think of that may contribute to the problem is the use of Latin-1, which is used for the following languages: Afrikaans, Basque, Catalan, Danish, Dutch,
English, Faeroese, Finnish, French, Galician, German, Icelandic, Irish, Italian,
Norwegian, Portuguese, Scottish, Spanish, and Swedish.

If the language you want to display is not one of those, you need to use a different font set.
Also don't know what the last line means:

Quote: Then run 'strings' on fccfg.o and make sure /etc/fonts is present in the
object file.
fccfg.o is an object file (binary) which you can't read in a file viewer. The strings utility can give you a look inside the binary for strings of text.
example: in a terminal, run strings fccfg.o

Last edited by bigrigdriver; 07-08-2014 at 05:14 PM.
Old 07-10-2014, 08:43 AM   #3
LQ Newbie
Registered: Jul 2014
Posts: 6

Original Poster
Rep: Reputation: Disabled
Thank you, I'll try to find an remove the mentioned files. Yes, the language I use is one of the latin-1-languages. What if /etc/fonts isn't present in the fccfg.o-file? I will check this of course. But when it's a binary is there a way to inject the path anyway? In case of a missing entry I don't know how and where to include. I'm on a different computer right now. I'll report back as soon as I checked your suggestions.
Old 07-10-2014, 04:06 PM   #4
LQ Newbie
Registered: Jul 2014
Posts: 6

Original Poster
Rep: Reputation: Disabled
The command locate doesn't exist on my system. So I ran

find / -name "pango.xml"
find ~ -name "pango.xml"
But got no results. I also erased ~.pangorc but it didn't change anything. The file also wasn't re-created.

In the fontconfig-source-directory I found fccfg.o in the subfolder /src/.libs/

When running

strings fccfg.o
I get a huge list of strings. So I typed

strings fccfg.o | grep /etc/fonts
The output was:

I guess it means that the string was found in the file.


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