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Re: Problems with emacs built against gtk3
- From: nyc4bos at aol dot com
- To: cygwin-xfree at cygwin dot com
- Date: Sat, 03 Dec 2011 15:53:12 -0500
- Subject: Re: Problems with emacs built against gtk3
- References: <4ED03512.7080607@cornell.edu> <4ED0EC50.4090300@cornell.edu> <1322625099.6420.9.camel@YAAKOV04>
- Reply-to: cygwin-xfree at cygwin dot com
Hi,
"Yaakov (Cygwin/X)" <yselkowitz@users.sourceforge.net> writes:
> On Sat, 2011-11-26 at 08:40 -0500, Ken Brown wrote:
>> On 11/25/2011 7:38 PM, Ken Brown wrote:
>> > When I build emacs against gtk3, it is unusable. Here are the symptoms
>> > when the resulting emacs is started in an xterm window:
>> >
>> > $ ./emacs -Q&
>> > [1] 3344
>> >
>> > (emacs:3344): GLib-WARNING **: In call to g_spawn_sync(), exit status of
>> > a child process was requested but SIGCHLD action was set to SIG_IGN and
>> > ECHILD was received by waitpid(), so exit status can't be returned. This
>> > is a bug in the program calling g_spawn_sync(); either don't request the
>> > exit status, or don't set the SIGCHLD action.
>> >
>> > ** (emacs:3344): WARNING **: Abnormal program termination spawning
>> > command line `dbus-launch --autolaunch=0b8f184fe6d82872ee8db8724ecfdb90
>> > --binary-syntax --close-stderr':
>> >
>> > I think the pango warning is Cygwin specific, but the rest of it might
>> > not be. Similar symptoms were reported on Fedora:
>> >
>> > https://bugzilla.redhat.com/show_bug.cgi?id=654027
>
> This appears to be the same bug. The solution is to launch a DBus
> session bus *before* starting emacs (or any other gtk3 programs for that
> matter), IOW:
>
> $ eval `dbus-launch --sh-syntax`
> $ emacs-X11 &
>
> The first command should be added to the beginning of your
> ~/.startxwinrc, if you're using startxwin (or its shortcut) to start the
> X server.
I turned on DBUS debugging and it appears to be communicating before
Emacs is started.
Once emacs-X11 starts, it soon crashes:
[...]
========================================================================
GDBus-debug:Message:
<<<< RECEIVED D-Bus message (72 bytes)
Type: method-return
Flags: no-reply-expected
Version: 0
Serial: 3
Headers:
reply-serial -> uint32 2
destination -> ':1.53'
sender -> 'org.freedesktop.DBus'
Body: ()
UNIX File Descriptors:
(none)
0000: 6c 02 01 01 00 00 00 00 03 00 00 00 35 00 00 00 l...........5...
0010: 06 01 73 00 05 00 00 00 3a 31 2e 35 33 00 00 00 ..s.....:1.53...
0020: 05 01 75 00 02 00 00 00 07 01 73 00 14 00 00 00 ..u.......s.....
0030: 6f 72 67 2e 66 72 65 65 64 65 73 6b 74 6f 70 2e org.freedesktop.
0040: 44 42 75 73 00 00 00 00 DBus....
========================================================================
GDBus-debug:Call:
<<<< ASYNC COMPLETE org.freedesktop.DBus.AddMatch() (serial 2)
SUCCESS
Fatal error (11)Segmentation fault
>
> BTW, please be sure to reinstall dconf-service, that's not the problem,
> and you're going to need it in the "new world order" of GNOME 3.
>
>> 2. The pango warning can already be observed with the current Cygwin
>> emacs after the recent update of the GNOME libraries. To reproduce,
>> install the emacs-X11 package and start emacs with the command `emacs &'
>> in an xterm window.
>
> I cannot reproduce this. Does installing font-cantarell-otf help?
> Perhaps another font?
>
>
> Yaakov
> Cygwin/X
>
>
>
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