[Bug 490888] New: All fonts are monospace after upgrade to fontconfig-2.6.99.behdad-3

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Summary: All fonts are monospace after upgrade to fontconfig-2.6.99.behdad-3

https://bugzilla.redhat.com/show_bug.cgi?id=490888

           Summary: All fonts are monospace after upgrade to
                    fontconfig-2.6.99.behdad-3
           Product: Fedora
           Version: rawhide
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: medium
          Priority: medium
         Component: fontconfig
        AssignedTo: besfahbo(a)redhat.com
        ReportedBy: mschmidt(a)redhat.com
         QAContact: extras-qa(a)fedoraproject.org
                CC: besfahbo(a)redhat.com, fedora-fonts-bugs-list(a)redhat.com
    Classification: Fedora
    Target Release: ---


Description of problem:
Today I did 'yum update' on my Rawhide KVM guest. About 20 packages were
updated, among them was fontconfig. After reboot to get the new kernel, all
fonts in GDM were monospaced and without antialiasing. After logging in into
GNOME everything was monospaced and no AA too (menus, window titles,
gnome-terminal, ...). I thought I had lost my Preferences -> Appearance ->
Fonts settings, so I went there to check, but all fonts appeared the same.

The problem was fixed it by running 'fc-cache -r' and logging out and back in.


Version-Release number of selected component (if applicable):
The upgrade was from:
fontconfig-2.6.97-5.g945d6a4.fc11.x86_64
to:
fontconfig-2.6.99.behdad-3.fc11.x86_64

How reproducible:
Not sure. I haven't tried downgrading and repeating the upgrade yet.

Steps to Reproduce:
1. Update fontconfig 
2. Reboot (although relogin would probably be sufficient)

Actual results:
All fonts are monospace and without antialiasing.

Expected results:
Font should look as they did before the upgrade.

Additional info:
I suspect the bug is in fontconfig's postinstall script where it does:
rm -f /var/cache/fontconfig/????????????????????????????????.cache-2
But at least on my system the number of question marks does not correspond to
the actual filename lengths of the files in that directory. E.g.
/var/cache/fontconfig/3830d5c3ddfd5cd38a049b759396e72e-x86-64.cache-2

(the "-x86-64" is not accounted for)

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[Bug 490888] All fonts are monospace after upgrade to fontconfig-2.6.99.behdad-3

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https://bugzilla.redhat.com/show_bug.cgi?id=490888





--- Comment #1 from Behdad Esfahbod <besfahbo(a)redhat.com&gt;  2009-03-18 13:41:45 EDT
---
The rm is there to cleanup earlier naming convention where there was no arch in
the file name.  So that's not the issue.

Did the update also update any font packages?

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[Bug 490888] All fonts are monospace after upgrade to fontconfig-2.6.99.behdad-3

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--- Comment #2 from Behdad Esfahbod <besfahbo(a)redhat.com&gt;  2009-03-18 17:07:40 EDT
---
Ok, I understand the bug now.  Working on a fix.

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[Bug 490888] All fonts are monospace after upgrade to fontconfig-2.6.99.behdad-3

[Red Hat Bugzilla]

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https://bugzilla.redhat.com/show_bug.cgi?id=490888





--- Comment #3 from Behdad Esfahbod <besfahbo(a)redhat.com&gt;  2009-03-18 19:36:38 EDT
---
commit a03e7b11fbe9a4710575f27e8701fcd7fa902844
Author: Behdad Esfahbod <behdad(a)behdad.org&gt;
Date:   Wed Mar 18 19:28:52 2009 -0400

    [fc-lang] Make LangSet representation in the cache files stable

    Fontconfig assigns an index number to each language it knows about.
    The index is used to index a bit in FcLangSet language map.  The bit
    map is stored in the cache.

    Previously fc-lang simply sorted the list of languages and assigned
    them an index starting from zero.  Net effect is that whenever new
    orth files were added, all the FcLangSet info in the cache files would
    become invalid.  This was causing weird bugs like this one:

      https://bugzilla.redhat.com/show_bug.cgi?id=490888

    With this commit we fix the index assigned to each language.  The index
    will be based on the order the orth files are passed to fc-lang.  As a
    result all orth files are explicitly listed in Makefile.am now, and
    new additions should be made to the end of the list.  The list is made
    to reflect the sorted list of orthographies from 2.6.0 released followed
    by new additions since.

    This fixes the stability problem.  Needless to say, recreating caches
    is necessary before any new orthography is recognized in existing fonts,
    but at least the existing caches are still valid and don't cause bugs
    like the above.

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[Bug 490888] All fonts are monospace after upgrade to fontconfig-2.6.99.behdad-3

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--- Comment #4 from Behdad Esfahbod <besfahbo(a)redhat.com&gt;  2009-03-18 19:54:58 EDT
---
Built fontconfig-2.6.99.behdad.20090318-1.fc11
Requesting tag now.

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[Bug 490888] All fonts are monospace after upgrade to fontconfig-2.6.99.behdad-3

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--- Comment #5 from Behdad Esfahbod <besfahbo(a)redhat.com&gt;  2009-03-18 20:01:46 EDT
---
https://fedorahosted.org/rel-eng/ticket/1401

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[Bug 490888] All fonts are monospace after upgrade to fontconfig-2.6.99.behdad-3

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Deji Akingunola <dakingun(a)gmail.com&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |dakingun(a)gmail.com




--- Comment #6 from Deji Akingunola <dakingun(a)gmail.com&gt;  2009-03-18 20:27:18 EDT
---
(In reply to comment #4)
>  Built fontconfig-2.6.99.behdad.20090318-1.fc11 
WORKSFORME (had similar issue reported with 2.6.99.behdad-3.fc11.x86_64).

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[Bug 490888] All fonts are monospace after upgrade to fontconfig-2.6.99.behdad-3

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comments should be made in the comments box of this bug.


https://bugzilla.redhat.com/show_bug.cgi?id=490888





--- Comment #7 from Behdad Esfahbod <besfahbo(a)redhat.com&gt;  2009-03-18 21:12:51 EDT
---
(In reply to comment #6)
>  (In reply to comment #4)
>  > Built fontconfig-2.6.99.behdad.20090318-1.fc11
>  
>  WORKSFORME (had similar issue reported with 2.6.99.behdad-3.fc11.x86_64).   
Cool.  So you had broken fonts, updated, and they were not broken anymore?

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[Bug 490888] All fonts are monospace after upgrade to fontconfig-2.6.99.behdad-3

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comments should be made in the comments box of this bug.


https://bugzilla.redhat.com/show_bug.cgi?id=490888





--- Comment #8 from Deji Akingunola <dakingun(a)gmail.com&gt;  2009-03-18 22:28:21 EDT
---
(In reply to comment #7)
>  (In reply to comment #6)
>  > (In reply to comment #4)
>  > > Built fontconfig-2.6.99.behdad.20090318-1.fc11
>  > 
>  > WORKSFORME (had similar issue reported with 2.6.99.behdad-3.fc11.x86_64).  
>  
>  Cool.  So you had broken fonts, updated, and they were not broken anymore?   
Something close to that. I have other fonts (not included in Fedora anymore)
installed and my font preferences set in /etc/fonts/local.conf. But on update
to fontconfig-2.6.99.behdad-3.fc11.x86_64, the custom settings doesn't have any
effects, and my monospaced fonts revert to stock Fedora's.

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[Bug 490888] All fonts are monospace after upgrade to fontconfig-2.6.99.behdad-3

[Red Hat Bugzilla]

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comments should be made in the comments box of this bug.


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Behdad Esfahbod <besfahbo(a)redhat.com&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |CLOSED
         Resolution|                            |RAWHIDE




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[Bug 490888] All fonts are monospace after upgrade to fontconfig-2.6.99.behdad-3

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A S Alam <aalam(a)redhat.com&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |aalam(a)redhat.com




--- Comment #9 from A S Alam <aalam(a)redhat.com&gt;  2009-05-28 05:24:43 EDT ---
*** Bug 491604 has been marked as a duplicate of this bug. ***

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