#0  gray_render_scanline (worker=0x1, worker@entry=0x22b8bd0, ey=ey@entry=3, x1=x1@entry=9151, y1=-288, y1@entry=256, x2=x2@entry=9792, y2=y2@entry=48) at /build/buildd/freetype-2.5.2/freetype-2.5.2/src/smooth/ftgrays.c:753
  [Error: /build/buildd/freetype-2.5.2/freetype-2.5.2/src/smooth/ftgrays.c was not found in source tree]
#1  0x00007fbcd0a4a89d in gray_render_line (worker=0x22b8bd0, to_x=9792, to_y=816) at /build/buildd/freetype-2.5.2/freetype-2.5.2/src/smooth/ftgrays.c:901
  [Error: /build/buildd/freetype-2.5.2/freetype-2.5.2/src/smooth/ftgrays.c was not found in source tree]
#2  0x00007fbcd0a4b152 in gray_line_to (to=<optimized out>, worker=<optimized out>) at /build/buildd/freetype-2.5.2/freetype-2.5.2/src/smooth/ftgrays.c:1200
  [Error: /build/buildd/freetype-2.5.2/freetype-2.5.2/src/smooth/ftgrays.c was not found in source tree]
#3  0x00007fbcd09fdf69 in FT_Outline_Decompose (outline=outline@entry=0x22b92f8, func_interface=func_interface@entry=0x7fbcd0c8cde0 <func_interface>, user=user@entry=0x22b8bd0) at /build/buildd/freetype-2.5.2/freetype-2.5.2/src/base/ftoutln.c:161
  [Error: /build/buildd/freetype-2.5.2/freetype-2.5.2/src/base/ftoutln.c was not found in source tree]
#4  0x00007fbcd0a4b2e3 in gray_convert_glyph_inner (worker=worker@entry=0x22b8bd0) at /build/buildd/freetype-2.5.2/freetype-2.5.2/src/smooth/ftgrays.c:1791
  [Error: /build/buildd/freetype-2.5.2/freetype-2.5.2/src/smooth/ftgrays.c was not found in source tree]
#5  0x00007fbcd0a4b62d in gray_convert_glyph (worker=0x22b8bd0) at /build/buildd/freetype-2.5.2/freetype-2.5.2/src/smooth/ftgrays.c:1894
  [Error: /build/buildd/freetype-2.5.2/freetype-2.5.2/src/smooth/ftgrays.c was not found in source tree]
#6  0x00007fbcd0a4a08e in ft_smooth_render_generic (render=0x222fcb0, slot=slot@entry=0x22bdbb0, mode=FT_RENDER_MODE_LCD, origin=<optimized out>, required_mode=required_mode@entry=FT_RENDER_MODE_LCD) at /build/buildd/freetype-2.5.2/freetype-2.5.2/src/smooth/ftsmooth.c:288
  [Error: /build/buildd/freetype-2.5.2/freetype-2.5.2/src/smooth/ftsmooth.c was not found in source tree]
#7  0x00007fbcd0a4a27f in ft_smooth_render_lcd (render=<optimized out>, slot=0x22bdbb0, mode=<optimized out>, origin=<optimized out>) at /build/buildd/freetype-2.5.2/freetype-2.5.2/src/smooth/ftsmooth.c:427
  [Error: /build/buildd/freetype-2.5.2/freetype-2.5.2/src/smooth/ftsmooth.c was not found in source tree]
#8  0x00007fbcd0a020b3 in FT_Render_Glyph_Internal (library=0x22fd4e0, slot=0x22bdbb0, render_mode=render_mode@entry=FT_RENDER_MODE_LCD) at /build/buildd/freetype-2.5.2/freetype-2.5.2/src/base/ftobjs.c:4065
  [Error: /build/buildd/freetype-2.5.2/freetype-2.5.2/src/base/ftobjs.c was not found in source tree]
#9  0x00007fbcd0a02126 in FT_Render_Glyph (slot=<optimized out>, render_mode=render_mode@entry=FT_RENDER_MODE_LCD) at /build/buildd/freetype-2.5.2/freetype-2.5.2/src/base/ftobjs.c:4146
  [Error: /build/buildd/freetype-2.5.2/freetype-2.5.2/src/base/ftobjs.c was not found in source tree]
#10 0x00007fbcd12274c3 in _render_glyph_outline (face=0x22bcbe0, surface=0x7fff473f4b78, font_options=0x2d3f1e8) at /build/buildd/cairo-1.12.16/src/cairo-ft-font.c:1446
  [Error: /build/buildd/cairo-1.12.16/src/cairo-ft-font.c was not found in source tree]
#11 _cairo_ft_scaled_glyph_init (abstract_font=0x2d3f000, scaled_glyph=0x2d42368, info=CAIRO_SCALED_GLYPH_INFO_SURFACE) at /build/buildd/cairo-1.12.16/src/cairo-ft-font.c:2380
  [Error: /build/buildd/cairo-1.12.16/src/cairo-ft-font.c was not found in source tree]
#12 0x00007fbcd11d7218 in _cairo_scaled_glyph_lookup (scaled_font=0x2d3f000, index=index@entry=85, info=info@entry=CAIRO_SCALED_GLYPH_INFO_SURFACE, scaled_glyph_ret=scaled_glyph_ret@entry=0x7fff473f4e08) at /build/buildd/cairo-1.12.16/src/cairo-scaled-font.c:3004
  [Error: /build/buildd/cairo-1.12.16/src/cairo-scaled-font.c was not found in source tree]
#13 0x00007fbcd11a45f7 in composite_glyphs (_dst=0x3d33c50, op=CAIRO_OPERATOR_OVER, _src=0x39daea0, src_x=0, src_y=0, dst_x=0, dst_y=0, info=0x7fff473f5720) at /build/buildd/cairo-1.12.16/src/cairo-image-compositor.c:852
  [Error: /build/buildd/cairo-1.12.16/src/cairo-image-compositor.c was not found in source tree]
#14 0x00007fbcd11f0754 in clip_and_composite (compositor=compositor@entry=0x7fbcd147b120 <compositor.11444>, extents=extents@entry=0x7fff473f57c0, draw_func=draw_func@entry=0x7fbcd11eeb00 <composite_glyphs>, mask_func=mask_func@entry=0x0, draw_closure=draw_closure@entry=0x7fff473f5720, need_clip=4) at /build/buildd/cairo-1.12.16/src/cairo-traps-compositor.c:1046
  [Error: /build/buildd/cairo-1.12.16/src/cairo-traps-compositor.c was not found in source tree]
#15 0x00007fbcd11f0960 in _cairo_traps_compositor_glyphs (_compositor=0x7fbcd147b120 <compositor.11444>, extents=0x7fff473f57c0, scaled_font=0x2d3f000, glyphs=0x7fff473f5d70, num_glyphs=3, overlap=0) at /build/buildd/cairo-1.12.16/src/cairo-traps-compositor.c:2313
  [Error: /build/buildd/cairo-1.12.16/src/cairo-traps-compositor.c was not found in source tree]
#16 0x00007fbcd119ab0f in _cairo_compositor_glyphs (compositor=0x7fbcd147b120 <compositor.11444>, surface=0x3d33c50, op=<optimized out>, source=<optimized out>, glyphs=0x7fff473f5d70, num_glyphs=3, scaled_font=0x2d3f000, clip=clip@entry=0x0) at /build/buildd/cairo-1.12.16/src/cairo-compositor.c:250
  [Error: /build/buildd/cairo-1.12.16/src/cairo-compositor.c was not found in source tree]
#17 0x00007fbcd11aa9cf in _cairo_image_surface_glyphs (abstract_surface=<optimized out>, op=<optimized out>, source=<optimized out>, glyphs=<optimized out>, num_glyphs=<optimized out>, scaled_font=<optimized out>, clip=0x0) at /build/buildd/cairo-1.12.16/src/cairo-image-surface.c:1002
  [Error: /build/buildd/cairo-1.12.16/src/cairo-image-surface.c was not found in source tree]
#18 0x00007fbcd11df553 in _cairo_surface_show_text_glyphs (surface=0x3d33c50, op=op@entry=CAIRO_OPERATOR_OVER, source=source@entry=0x7fff473f5c50, utf8=utf8@entry=0x0, utf8_len=utf8_len@entry=0, glyphs=glyphs@entry=0x7fff473f5d70, num_glyphs=3, clusters=clusters@entry=0x0, num_clusters=num_clusters@entry=0, cluster_flags=cluster_flags@entry=(unknown: 0), scaled_font=0x2d3f000, clip=0x0) at /build/buildd/cairo-1.12.16/src/cairo-surface.c:2534
  [Error: /build/buildd/cairo-1.12.16/src/cairo-surface.c was not found in source tree]
#19 0x00007fbcd11a3239 in _cairo_gstate_show_text_glyphs (gstate=0x3a80cb0, glyphs=<optimized out>, num_glyphs=3, info=0x0) at /build/buildd/cairo-1.12.16/src/cairo-gstate.c:2008
  [Error: /build/buildd/cairo-1.12.16/src/cairo-gstate.c was not found in source tree]
#20 0x00007fbcd1195f82 in cairo_show_glyphs (cr=0x37b3ae0, glyphs=<optimized out>, num_glyphs=<optimized out>) at /build/buildd/cairo-1.12.16/src/cairo.c:3315
  [Error: /build/buildd/cairo-1.12.16/src/cairo.c was not found in source tree]
#21 0x00007fbcc4f92e43 in pango_cairo_renderer_show_text_glyphs (renderer=<optimized out>, text=text@entry=0x0, text_len=text_len@entry=0, clusters=clusters@entry=0x0, num_clusters=num_clusters@entry=0, backward=backward@entry=0, font=0x22fce50, x=0, y=28672, glyphs=<optimized out>, glyphs=<optimized out>) at /build/buildd/pango1.0-1.36.1/./pango/pangocairo-render.c:500
  [Error: /build/buildd/pango1.0-1.36.1/./pango/pangocairo-render.c was not found in source tree]
#22 0x00007fbcc4f93154 in pango_cairo_renderer_draw_glyphs (renderer=<optimized out>, font=<optimized out>, glyphs=<optimized out>, x=<optimized out>, y=<optimized out>) at /build/buildd/pango1.0-1.36.1/./pango/pangocairo-render.c:516
  [Error: /build/buildd/pango1.0-1.36.1/./pango/pangocairo-render.c was not found in source tree]
#23 0x00007fbcc4d65e5f in pango_renderer_deactivate (renderer=0x22b8bd0) at /build/buildd/pango1.0-1.36.1/./pango/pango-renderer.c:1129
  [Error: /build/buildd/pango1.0-1.36.1/./pango/pango-renderer.c was not found in source tree]
#24 0x00007000c4d66279 in ?? ()
#25 0x0000000000000000 in ?? ()