<div dir="ltr">More information:<div>It appears the segfault occurs if the plot window is resized and a subsequent plot command is issued before the window redraws. Not as severe, but still a segfault.<br><div><br></div><div>Steps to reproduce:<div>1. ssh with port forwarding to system on which to run gnuplot in terminal<br><div>2. Extract attached datafile (called simply "g", from the attached "g.bz2")<br></div></div><div>4. plot [0:3000] "g" every ::70000::73000</div><div>5. Resize window</div><div>6. Before window finishes redrawing (takes maybe 10s over my slow wifi), issue same plot command again</div><div><br></div><div>Run output follows:</div><div><br></div><div>$ gdb gnuplot<br></div><div>...</div><div>(gdb) run<br></div><div><div>Starting program: /usr/bin/gnuplot</div><div>[Thread debugging using libthread_db enabled]</div><div>Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".</div><div><br></div><div> G N U P L O T</div><div> Version 5.0 patchlevel 5 last modified 2016-10-02</div><div>...</div><div> immediate help: type "help" (plot window: hit 'h')</div><div><br></div><div>Terminal type set to 'wxt'</div><div>gnuplot> plot [0:3000] "g" every ::70000::73000</div><div>03:16:22 PM: Warning: Mismatch between the program and library build versions detected.</div><div>The library used 3.0 (wchar_t,compiler with C++ ABI 1009,wx containers,compatible with 2.8),</div><div>and your program used 3.0 (wchar_t,compiler with C++ ABI 1010,wx containers,compatible with 2.8).</div><div>[New Thread 0x7fffec609700 (LWP 24624)]</div><div>gnuplot> plot [0:3000] "g" every ::70000::73000</div><div><br></div><div>Thread 1 "gnuplot" received signal SIGSEGV, Segmentation fault.</div><div>wxtPanel::wxt_cairo_create_bitmap (this=this@entry=0x7fffe409f000)</div><div> at ../../../src/wxterminal/wxt_gui.cpp:3585</div><div>3585 ../../../src/wxterminal/wxt_gui.cpp: No such file or directory.</div><div>(gdb) bt</div><div>#0 wxtPanel::wxt_cairo_create_bitmap (this=this@entry=0x7fffe409f000)</div><div> at ../../../src/wxterminal/wxt_gui.cpp:3585</div><div>#1 0x0000000000517cac in wxtPanel::wxt_cairo_refresh (this=0x7fffe409f000)</div><div> at ../../../src/wxterminal/wxt_gui.cpp:2865</div><div>#2 0x0000000000518ddd in wxt_text ()</div><div> at ../../../src/wxterminal/wxt_gui.cpp:2077</div><div>#3 0x00000000004f3479 in term_end_plot () at ../../../src/term.c:556</div><div>#4 0x00000000004f9745 in term_end_plot () at ../../../src/term.c:548</div><div>#5 0x0000000000454555 in do_plot (plots=0x818130, pcount=pcount@entry=1)</div><div> at ../../../src/graphics.c:928</div><div>#6 0x000000000047a02e in eval_plots () at ../../../src/plot2d.c:3388</div><div>#7 0x0000000000428247 in command () at ../../../src/command.c:625</div><div>#8 do_line () at ../../../src/command.c:420</div><div>#9 0x00000000004283ab in com_line () at ../../../src/command.c:322</div><div>#10 0x000000000041791c in main (argc=0, argv=0x7fffffffdd48)</div><div> at ../../../src/plot.c:660</div><div>(gdb)</div></div><div><br></div></div></div><div>Another run using the same or a similar window-resize -> impatient repeated plot command yielded this segfault and backtrace:</div><div><div>Thread 1 "gnuplot" received signal SIGSEGV, Segmentation fault.</div><div>0x00000000009cf800 in ?? ()</div><div>(gdb) bt</div><div>#0 0x00000000009cf800 in ?? ()</div><div>#1 0x0000000000517cac in wxtPanel::wxt_cairo_refresh (this=0x7fffe409f000)</div><div> at ../../../src/wxterminal/wxt_gui.cpp:2865</div><div>#2 0x0000000000518ddd in wxt_text () at ../../../src/wxterminal/wxt_gui.cpp:2077</div><div>#3 0x00000000004f3479 in term_end_plot () at ../../../src/term.c:556</div><div>#4 0x00000000004f9745 in term_end_plot () at ../../../src/term.c:548</div><div>#5 0x0000000000454555 in do_plot (plots=0x81ac40, pcount=pcount@entry=1)</div><div> at ../../../src/graphics.c:928</div><div>#6 0x000000000047a02e in eval_plots () at ../../../src/plot2d.c:3388</div><div>#7 0x0000000000428247 in command () at ../../../src/command.c:625</div><div>#8 do_line () at ../../../src/command.c:420</div><div>#9 0x00000000004283ab in com_line () at ../../../src/command.c:322</div><div>#10 0x000000000041791c in main (argc=0, argv=0x7fffffffdd48) at ../../../src/plot.c:660</div></div><div><br></div><div><br></div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Dec 12, 2016 at 2:57 PM, Debian Bug Tracking System <span dir="ltr"><<a href="mailto:owner@bugs.debian.org" target="_blank">owner@bugs.debian.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Thank you for filing a new Bug report with Debian.<br>
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