Attachment 108613 Details for Bug 85591 – pdftocairo gdb backtrace

pdftocairo gdb backtrace

pdftocairo_gdb_backtrace.txt (text/plain), 5.23 KB, created by guittet.thibault on 2014-10-29 08:54:54 UTC

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Created: 2014-10-29 08:54:54 UTC

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patch

obsolete

>$ gdb -q pdftocairo 
>Reading symbols from pdftocairo...done.
>(gdb) r -png -f 1 -l 20 34401-90004.pdf 
>Starting program: /usr/bin/pdftocairo -png -f 1 -l 20 34401-90004.pdf
>warning: Could not load shared library symbols for linux-vdso.so.1.
>Do you need "set solib-search-path" or "set sysroot"?
>[Thread debugging using libthread_db enabled]
>Using host libthread_db library "/usr/lib/libthread_db.so.1".
>
>Program received signal SIGSEGV, Segmentation fault.
>_fill_xrgb32_lerp_opaque_spans (abstract_renderer=0x7fffffffc290, y=397, h=1, spans=0x10ef7a8, num_spans=21) at cairo-image-compositor.c:2249
>2249			    *d = lerp8x4 (r->u.fill.pixel, a, *d);
>(gdb) bt
>#0  _fill_xrgb32_lerp_opaque_spans (abstract_renderer=0x7fffffffc290, y=397, h=1, spans=0x10ef7a8, num_spans=21) at cairo-image-compositor.c:2249
>#1  0x00007ffff74179cb in blit_a8 (xmax=971, xmin=315, height=1, y=397, spans=<optimized out>, renderer=0x7fffffffc290, cells=0x10ef248)
>    at cairo-tor-scan-converter.c:1635
>#2  glitter_scan_converter_render (renderer=0x7fffffffc290, antialias=1, winding_mask=4294967295, converter=0x10ee448)
>    at cairo-tor-scan-converter.c:1786
>#3  _cairo_tor_scan_converter_generate (converter=0x10ee430, renderer=0x7fffffffc290) at cairo-tor-scan-converter.c:1849
>#4  0x00007ffff740b718 in composite_polygon (compositor=compositor@entry=0x7ffff76b98c0 <spans>, extents=extents@entry=0x7fffffffdb80, 
>    polygon=polygon@entry=0x7fffffffd750, fill_rule=fill_rule@entry=CAIRO_FILL_RULE_WINDING, antialias=antialias@entry=CAIRO_ANTIALIAS_DEFAULT)
>    at cairo-spans-compositor.c:801
>#5  0x00007ffff740c0fa in clip_and_composite_polygon (compositor=compositor@entry=0x7ffff76b98c0 <spans>, extents=extents@entry=0x7fffffffdb80, 
>    polygon=polygon@entry=0x7fffffffd750, fill_rule=CAIRO_FILL_RULE_WINDING, antialias=antialias@entry=CAIRO_ANTIALIAS_DEFAULT)
>    at cairo-spans-compositor.c:967
>#6  0x00007ffff740cb1e in _cairo_spans_compositor_stroke (_compositor=0x7ffff76b98c0 <spans>, extents=0x7fffffffdb80, path=<optimized out>, 
>    style=0x7fffffffdfc0, ctm=0x7fffffffdf80, ctm_inverse=0x7fffffffdf50, tolerance=0.10000000000000001, antialias=CAIRO_ANTIALIAS_DEFAULT)
>    at cairo-spans-compositor.c:1083
>#7  0x00007ffff73cf33c in _cairo_compositor_stroke (compositor=0x7ffff76b98c0 <spans>, surface=0x67f620, op=<optimized out>, source=<optimized out>, 
>    path=0x67ed78, style=0x7fffffffdfc0, ctm=0x7fffffffdf80, ctm_inverse=0x7fffffffdf50, tolerance=0.10000000000000001, 
>    antialias=CAIRO_ANTIALIAS_DEFAULT, clip=0x0) at cairo-compositor.c:157
>#8  0x00007ffff73df088 in _cairo_image_surface_stroke (abstract_surface=<optimized out>, op=<optimized out>, source=<optimized out>, 
>    path=<optimized out>, style=<optimized out>, ctm=<optimized out>, ctm_inverse=0x7fffffffdf50, tolerance=<optimized out>, 
>    antialias=CAIRO_ANTIALIAS_DEFAULT, clip=0x0) at cairo-image-surface.c:964
>#9  0x00007ffff740fb02 in _cairo_surface_stroke (surface=0x67f620, op=CAIRO_OPERATOR_OVER, source=source@entry=0x7fffffffdff0, 
>    path=path@entry=0x67ed78, stroke_style=stroke_style@entry=0x7fffffffdfc0, ctm=ctm@entry=0x7fffffffdf80, ctm_inverse=0x7fffffffdf50, 
>    tolerance=0.10000000000000001, antialias=CAIRO_ANTIALIAS_DEFAULT, clip=0x0) at cairo-surface.c:2270
>#10 0x00007ffff73d6a38 in _cairo_gstate_stroke (gstate=0x10d6030, path=path@entry=0x67ed78) at cairo-gstate.c:1194
>#11 0x00007ffff73d0aae in _cairo_default_context_stroke (abstract_cr=0x67ea10) at cairo-default-context.c:1010
>#12 0x00007ffff73ca8ec in INT_cairo_stroke (cr=0xee) at cairo.c:2150
>#13 0x000000000040d59a in CairoOutputDev::stroke (this=0x661090, state=0x10d61d0) at CairoOutputDev.cc:776
>#14 0x00007ffff7a6d453 in Gfx::opStroke (this=0x67f7b0, args=<optimized out>, numArgs=<optimized out>) at Gfx.cc:1852
>#15 0x00007ffff7a5f762 in Gfx::execOp (this=this@entry=0x67f7b0, cmd=cmd@entry=0x7fffffffe220, args=args@entry=0x7fffffffe260, 
>    numArgs=numArgs@entry=0) at Gfx.cc:903
>#16 0x00007ffff7a699cb in Gfx::go (this=this@entry=0x67f7b0, topLevel=topLevel@entry=true) at Gfx.cc:762
>#17 0x00007ffff7a69e37 in Gfx::display (this=this@entry=0x67f7b0, obj=obj@entry=0x7fffffffe520, topLevel=topLevel@entry=true) at Gfx.cc:728
>#18 0x00007ffff7aae75d in Page::displaySlice (this=0x67f440, out=out@entry=0x661090, hDPI=hDPI@entry=72, vDPI=vDPI@entry=72, rotate=rotate@entry=0, 
>    useMediaBox=useMediaBox@entry=true, crop=crop@entry=false, sliceX=sliceX@entry=-1, sliceY=-1, sliceW=-1, sliceH=-1, printing=false, 
>    abortCheckCbk=0x0, abortCheckCbkData=0x0, annotDisplayDecideCbk=0x0, annotDisplayDecideCbkData=0x0, copyXRef=false) at Page.cc:585
>#19 0x00007ffff7ab5f9a in PDFDoc::displayPageSlice (this=this@entry=0x64f2f0, out=out@entry=0x661090, page=page@entry=9, hDPI=hDPI@entry=72, 
>---Type <return> to continue, or q <return> to quit---
>    vDPI=vDPI@entry=72, rotate=rotate@entry=0, useMediaBox=<optimized out>, crop=crop@entry=false, printing=false, sliceX=-1, sliceY=-1, sliceW=-1, 
>    sliceH=-1, abortCheckCbk=0x0, abortCheckCbkData=0x0, annotDisplayDecideCbk=0x0, annotDisplayDecideCbkData=0x0, copyXRef=false) at PDFDoc.cc:503
>#20 0x0000000000409be8 in renderPage (output_h=1651, output_w=1275, page_h=<optimized out>, page_w=<optimized out>, pg=9, cairoOut=0x661090, 
>    doc=0x64f2f0) at pdftocairo.cc:588
>#21 main (argc=2, argv=<optimized out>) at pdftocairo.cc:1056
>(gdb)

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