[Octave-bug-tracker] [bug #40469] crash on graphics operation (clf only ?)

[marco atzeri]

Follow-up Comment #12, bug #40469 (project octave):

backtrace on 17131

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 8236.0x23ac]
0x68a110f4 in cygX11-xcb-1!XGetXCBConnection () from
/usr/bin/cygX11-xcb-1.dll
(gdb) bt
#0  0x68a110f4 in cygX11-xcb-1!XGetXCBConnection ()
   from /usr/bin/cygX11-xcb-1.dll
#1  0x6fea5d5d in cygGL-1!__glXFlushRenderBuffer () from /usr/bin/cygGL-1.dll
#2  0x6feaf939 in cygGL-1!__indirect_glMatrixMode () from
/usr/bin/cygGL-1.dll
#3  0x63e0440e in setup_viewport (this=0x6feda000 <dummyContext>, hh=420,
ww=0)
    at ../../octave/libinterp/dldfcn/__init_fltk__.cc:168
#4  OpenGL_fltk::resize (this=0x8043c178, xx=0, yy=20, ww=560, hh=420)
    at ../../octave/libinterp/dldfcn/__init_fltk__.cc:138
#5  0x63e084f4 in plot_window::draw (this=0x804c0148)
    at ../../octave/libinterp/dldfcn/__init_fltk__.cc:1228
#6  0x6494179f in flush (this=0x804db290) at ../FL/x.H:160
#7  Fl::flush () at Fl.cxx:741
#8  0x64942599 in Fl::wait (time_to_wait=<optimized out>,
address@hidden)
    at Fl.cxx:507
#9  0x6494263d in Fl::check () at Fl.cxx:619
#10 0x63e029d1 in __fltk_redraw__ ()
    at ../../octave/libinterp/dldfcn/__init_fltk__.cc:1862
#11 0x63e140a8 in fltk_graphics_toolkit::redraw_figure (this=0x801cf510, 
    go=...) at ../../octave/libinterp/dldfcn/__init_fltk__.cc:1985
#12 0x00e5bcff in redraw_figure (go=..., this=0x28a564)
    at corefcn/graphics.h:2257
#13 Fdrawnow (args=...) at ../../octave/libinterp/corefcn/graphics.cc:9488
#14 0x00c0c06c in octave_builtin::do_multi_index_op (
    address@hidden, address@hidden, args=..., 
    address@hidden)
    at ../../octave/libinterp/octave-value/ov-builtin.cc:131
#15 0x00c0c37f in octave_builtin::do_multi_index_op (this=0x801532a0, 
    nargout=0, args=...)
    at ../../octave/libinterp/octave-value/ov-builtin.cc:99
#16 0x00c7543a in octave_value::do_multi_index_op (address@hidden, 
    address@hidden, idx=...)
    at ../../octave/libinterp/octave-value/ov.cc:1351
#17 0x00cc7487 in feval (name=..., args=..., address@hidden)
    at oct-parse.yy:3866
#18 0x00ea6308 in interactive_input (s=..., address@hidden: false)
    at ../../octave/libinterp/corefcn/input.cc:198
#19 0x00ea64d9 in octave_base_reader::octave_gets (address@hidden,

    address@hidden: false) at ../../octave/libinterp/corefcn/input.cc:251
#20 0x00ea683c in octave_terminal_reader::get_input (this=0x80367ef0, 
    address@hidden: false) at ../../octave/libinterp/corefcn/input.cc:611
#21 0x00cbc193 in get_input (address@hidden: false, this=0x803aeab0)
    at ../../octave/libinterp/corefcn/input.h:233
#22 octave_lexer::fill_flex_buffer (this=0x803ae950, buf=0x80401308 "", 
    max_size=8192) at lex.ll:3185
#23 0x00cbbc47 in yy_get_next_buffer (address@hidden)
    at parse-tree/lex.cc:3239
#24 0x00cc262d in octave_lex (address@hidden, 
    yyscanner=0x803a7d58) at parse-tree/lex.cc:3080
#25 0x00ccec85 in octave_pull_parse (address@hidden, parser=...)
    at parse-tree/oct-parse.cc:2099
#26 0x00cced37 in octave_parse (parser=...) at parse-tree/oct-parse.cc:2069
#27 octave_parser::run (address@hidden) at oct-parse.yy:3210
#28 0x00f98e69 in main_loop () at
../../octave/libinterp/corefcn/toplev.cc:567
#29 0x0096474a in octave_execute_interpreter ()
    at ../../octave/libinterp/octave.cc:1016
#30 0x00401785 in main (argc=1, argv=0x28ac5c)
    at ../../octave/src/main-cli.cc:42


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