[cairo-bugs] [Bug 78787] New: blueman and xfce4-power-manager crash when opening right-click menu while terminus is set as system font

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=78787

          Priority: medium
            Bug ID: 78787
          Assignee: chris at chris-wilson.co.uk
           Summary: blueman and xfce4-power-manager crash when opening
                    right-click menu while terminus is set as system font
        QA Contact: cairo-bugs at cairographics.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: alex.jakimenko+cairo at gmail.com
          Hardware: x86 (IA32)
            Status: NEW
           Version: 1.12.16
         Component: general
           Product: cairo

I have tried setting my system font to terminus, so far so good, but some
application crash throwing an error associated with cairo.

(I run debian unstable with openbox)


Steps to reproduce:
1. Set Terminus as your default system font (I did this in lxappearance)
2. Run: xfce4-power-manager --no-daemon
3. Right click on the power manager applet
4. It will crash with this error:

xfce4-power-manager:
/build/cairo-t1d7nl/cairo-1.12.16/src/cairo-scaled-font.c:459:
_cairo_scaled_glyph_page_destroy: Assertion `!scaled_font->cache_frozen'
failed.
Aborted

OR

1. Set Terminus as your default system font (same as above)
2. Run: blueman-applet
3. Right click on the blueman applet
4. Sometimes it will crash, sometimes it wont.
5. If it didn't, open Devices... , Right click on any device you have (you
might want to scan to see some)
6. It will crash with this error:

python: /build/cairo-t1d7nl/cairo-1.12.16/src/cairo-scaled-font.c:459:
_cairo_scaled_glyph_page_destroy: Assertion `!scaled_font->cache_frozen'
failed.
_________
child_closed (/usr/lib/python2.7/dist-packages/blueman/Functions.py:153)
/usr/bin/blueman-manager closed

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