[Bug 300829] Re: gnuplot crashes on opening a second window

[Heikki Mäntysaari]

It looks like gnuplot freezes when the window is reactivated.

When I run gnuplot under gdb, I get the following backtrace when the window has freezed:
Terminal type set to 'wxt'
gnuplot> plot x
[New Thread 0x7fa47c02f950 (LWP 29279)]
[New Thread 0x7fa47b551950 (LWP 29280)]
gnuplot> 
Program received signal SIGINT, Interrupt.
[Switching to Thread 0x7fa4883137e0 (LWP 29278)]
0x00007fa485b0f742 in select () from /lib/libc.so.6
(gdb) bt
#0  0x00007fa485b0f742 in select () from /lib/libc.so.6
#1  0x00000000004dd0b1 in wxt_waitforinput ()
    at ../../../src/wxterminal/wxt_gui.cpp:2867
#2  0x000000000046fd1d in getc_wrapper (fp=0x1) at ../../../src/readline.c:96
#3  0x00007fa487f1fc8f in ?? () from /usr/lib/libedit.so.2
#4  0x00007fa487f1540b in el_gets () from /usr/lib/libedit.so.2
...

So the problem seems to be in a wxt_waitforinput() function (file
wxterminal/wxt_gui.cpp). When the window freezes the loop starting from
line 2856 keeps running. Any ideas why?


This report may also be related with this: https://bugzilla.redhat.com/show_bug.cgi?id=479085

** Bug watch added: Red Hat Bugzilla #479085
   https://bugzilla.redhat.com/show_bug.cgi?id=479085

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gnuplot crashes on opening a second window
https://bugs.launchpad.net/bugs/300829
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