Untitled

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1227655504 (LWP 19462)]
0xb78afcda in QFontEngineFT (this=0x8990880, pattern=0x82826d0, fd=@0xbfc67830, screen=0) at text/qfontengine_x11.cpp:1185
1185    text/qfontengine_x11.cpp: Aucun fichier ou répertoire de ce type.
        in text/qfontengine_x11.cpp
(gdb) bt full
#0  0xb78afcda in QFontEngineFT (this=0x8990880, pattern=0x82826d0, fd=@0xbfc67830, screen=0) at text/qfontengine_x11.cpp:1185
No locals.
#1  0xb78b02b7 in QFontEngineMultiFT::loadEngine (this=0x821b198, at=1) at text/qfontengine_x11.cpp:1112
        res = 3078782156
        match = (FcPattern *) 0x82826d0
        engine = (QFontEngineFT *) 0xc67878
        pattern = (FcPattern *) 0x8223310
        fontDef = {family = {static null = {<No data fields>}, static shared_null = {ref = {atomic = 2150}, alloc = 0, size = 0, data = 0x8163632,
      clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0, reserved = 0, array = {0}}, static shared_empty = {ref = {atomic = 5}, alloc = 0,
      size = 0, data = 0xb759cb8e, clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0, reserved = 0, array = {0}}, d = 0x89baef0,
    static codecForCStrings = 0x0}, addStyle = {static null = {<No data fields>}, static shared_null = {ref = {atomic = 2150}, alloc = 0, size = 0,
      data = 0x8163632, clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0, reserved = 0, array = {0}}, static shared_empty = {ref = {
        atomic = 5}, alloc = 0, size = 0, data = 0xb759cb8e, clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0, reserved = 0, array = {0}},
    d = 0x8163620, static codecForCStrings = 0x0}, pointSize = 9, pixelSize = 12, styleStrategy = 1, styleHint = 5, weight = 25, fixedPitch = 0,
  style = 0, stretch = 100, ignorePitch = 1, fixedPitchComputed = 0, reserved = 49094}
        key = {def = {family = {static null = {<No data fields>}, static shared_null = {ref = {atomic = 2150}, alloc = 0, size = 0, data = 0x8163632,
        clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0, reserved = 0, array = {0}}, static shared_empty = {ref = {atomic = 5}, alloc = 0,
        size = 0, data = 0xb759cb8e, clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0, reserved = 0, array = {0}}, d = 0x89baef0,
      static codecForCStrings = 0x0}, addStyle = {static null = {<No data fields>}, static shared_null = {ref = {atomic = 2150}, alloc = 0, size = 0,
        data = 0x8163632, clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0, reserved = 0, array = {0}}, static shared_empty = {ref = {
          atomic = 5}, alloc = 0, size = 0, data = 0xb759cb8e, clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0, reserved = 0, array = {0}},
      d = 0x8163620, static codecForCStrings = 0x0}, pointSize = 9, pixelSize = 12, styleStrategy = 1, styleHint = 5, weight = 25, fixedPitch = 0,
    style = 0, stretch = 100, ignorePitch = 1, fixedPitchComputed = 0, reserved = 49094}, script = -1, screen = 0}
        fontEngine = (class QFontEngine *) 0x0
#2  0xb782573e in QFontEngineMulti::stringToCMap (this=0x821b198, str=0x82b1cc2, len=9, glyphs=0x89b38b8, nglyphs=0xbfc6796c, flags=@0xbfc67918)
    at text/qfontengine.cpp:428
        engine = (QFontEngine *) 0x0
        num = -1077511992
        x = 1
        surrogate = false
        i = 2
        ng = 9
        glyph_pos = 2
#3  0xb78473ea in basic_shape (item=0xbfc67954) at text/qscriptengine.cpp:343
---Type <return> to continue, or q <return> to quit---
No locals.
#4  0xb784a207 in QTextEngine::shapeText (this=0xbfc67a8c, item=0) at text/qtextengine_unix.cpp:63
        si = (QScriptItem &) @0x8202898: {position = 0, analysis = {script = 0, override = 0, bidiLevel = 0, reserved = 0}, isSpace = 0, isTab = 0,
  isObject = 0, num_glyphs = 0, descent = {val = 256}, ascent = {val = 768}, width = {val = -64}, glyph_data_offset = 0}
        font = (class QFontEngine *) 0x821b198
        shaper_item = {script = 0, string = 0x88cf5c4, from = 0, length = 9, font = 0x821b198, glyphs = 0x89b38b8, num_glyphs = 16,
  log_clusters = 0x89b38a4, flags = 0, charAttributes = 0xbfc67988}
        g = (QGlyphLayout *) 0xbfc679a8
        end = (QGlyphLayout *) 0xb77b86a7
#5  0xb784b699 in QTextEngine::shape (this=0xbfc67a8c, item=0) at text/qtextengine.cpp:920
No locals.
#6  0xb784bb2a in QTextEngine::width (this=0xbfc67a8c, from=0, len=9) at text/qtextengine.cpp:999
        glyphs = (QGlyphLayout *) 0xbfc67a58
        logClusters = (short unsigned int *) 0xb781c70f
        charFrom = 136231248
        glyphStart = -1212228628
        si = (const QScriptItem *) 0x8202898
        pos = 0
        ilen = 9
        i = 0
        w = Cannot access memory at address 0x0
(gdb)