[cairo-bugs] [Bug 17046] New: _cairo_ft_unscaled_font_lock_face __pthread_mutex_lock: Assertion `mutex->__data.__owner == 0'

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=17046

           Summary: _cairo_ft_unscaled_font_lock_face __pthread_mutex_lock:
                    Assertion `mutex->__data.__owner == 0'
           Product: cairo
           Version: 1.6.4
          Platform: PowerPC
        OS/Version: Linux (All)
            Status: NEW
          Severity: blocker
          Priority: high
         Component: freetype font backend
        AssignedTo: david at freetype.org
        ReportedBy: patrice.bouchand.fedora at gmail.com
         QAContact: cairo-bugs at cairographics.org


I'm trying to make a xulrunner based program running on an ppc embedded target,
and then need to use cairo-1.6.4.

It compiles fine but at run-time I get a SIGARBRT with:
 __pthread_mutex_lock: Assertion `mutex->__data.__owner == 0'

Here the gdb backtrace:

jdzilla: pthread_mutex_lock.c:108: __pthread_mutex_lock: Assertion
`mutex->__data.__owner == 0' failed.

Program received signal SIGABRT, Aborted.
[Switching to Thread -134421760 (LWP 7822)]
0x0db103e0 in raise () from /lib/libc.so.6
(gdb) bt
#0  0x0db103e0 in raise () from /lib/libc.so.6
#1  0x0db11b58 in abort () from /lib/libc.so.6
#2  0x0db08ae8 in __assert_fail () from /lib/libc.so.6
#3  0x0dc648f8 in pthread_mutex_lock () from /lib/libpthread.so.0
#4  0x0f81c300 in _cairo_ft_unscaled_font_lock_face (unscaled=0x10504420) at
cairo-ft-font.c:533
#5  0x0f2aaad8 in _cairo_ft_scaled_font_is_vertical () from
/usr/lib/xulrunner-1.9/libxul.so
#6  0x0f2ac328 in _cairo_ft_scaled_font_is_vertical () from
/usr/lib/xulrunner-1.9/libxul.so
#7  0x0f290418 in _moz_cairo_scaled_font_create () from
/usr/lib/xulrunner-1.9/libxul.so
#8  0x0f254f78 in gfxPangoFont::SetupCairoFont () from
/usr/lib/xulrunner-1.9/libxul.so
#9  0x0f254f78 in gfxPangoFont::SetupCairoFont () from
/usr/lib/xulrunner-1.9/libxul.so
#10 0x0f254f78 in gfxPangoFont::SetupCairoFont () from
/usr/lib/xulrunner-1.9/libxul.so
#11 0x0f254f78 in gfxPangoFont::SetupCairoFont () from
/usr/lib/xulrunner-1.9/libxul.so
#12 0x0f254f78 in gfxPangoFont::SetupCairoFont () from
/usr/lib/xulrunner-1.9/libxul.so
#13 0x0f254f78 in gfxPangoFont::SetupCairoFont () from
/usr/lib/xulrunner-1.9/libxul.so
#


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