Dominique wrote:

> I see a reproducible crash with vim-7.4.1494 (and older)
> on xubuntu-14.04 x86_64 when doing:
> 
>   $ ./configure --with-features=normal --enable-gui=athena 
> --enable-channel=yes
>   $ make
>   $ cd src/testdir
>   $ make test_channel.res
>   ...
>   Vim: Caught deadly signal SEGV
>   Vim: Finished.
>   Segmentation fault (core dumped)
> 
> Valgrind reports:
> 
> ==19306== Memcheck, a memory error detector
> ==19306== Copyright (C) 2002-2013, and GNU GPL'd, by Julian Seward et al.
> ==19306== Using Valgrind-3.10.1 and LibVEX; rerun with -h for copyright info
> ==19306== Command: ../vim -f -u unix.vim -U NONE --noplugin
> --not-a-term -u NONE -U NONE -S runtest.vim test_channel.vim
> ==19306== Parent PID: 19305
> ==19306==
> ==19306== Invalid read of size 8
> ==19306==    at 0x5B7BB31: XFlush (in 
> /usr/lib/x86_64-linux-gnu/libX11.so.6.3.0)
> ==19306==    by 0x59CC78: invoke_callback (channel.c:1050)
> ==19306==    by 0x59F28C: may_invoke_callback (channel.c:1685)

[...]

> Commenting out the call gui_mch_flush() in invoke_callback(...)
> at channel.c:1050 makes the test pass, but that's not a proper fix.
> 
> The bug might be related to a previous discussion about the
> test_channel test failing on OS X.

It's because of a missing check for gui.in_use.
I'll fix that.

-- 
If the Universe is constantly expanding, why can't I ever find a parking space?

 /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net   \\\
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