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bug#15801: 24.3.50; bar scrolling freezes gtk emacs
From: |
Jarek Czekalski |
Subject: |
bug#15801: 24.3.50; bar scrolling freezes gtk emacs |
Date: |
Thu, 05 Dec 2013 18:08:10 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux i686; rv:24.0) Gecko/20100101 Thunderbird/24.1.1 |
I founded a way to freeze Emacs without using any syntax, that could be
considered incorrect from the glib/gtk point of view. At least nothing
incorrect stays in xgselect.
This is practically whole xg_select function, that still makes Emacs freeze:
context = g_main_context_default ();
while (g_main_context_iteration(context, 0)); // 0 = no wait
return 1;
So this makes context_query call free of any charges. I'm sorry for
blaming it for the problems. But it's so tempting when you see something
theoretically incorrect, to blame it for all the problems.
I'll try to locate the place in gtk that starts the problem. So far I
only know that the commit from gtk 3.7.10 introducing
motion compression is not yet making it freeze. Although that sounded
promising. So I'm starting binary search with gtk 3.7.10 being safe, and
3.8.4 failing. I hope to help with fixing it, because gtk 3.8.4 is going
to be used in next stable Debian, jessie, which is currently described
as testing.
Motion compression commit:
https://git.gnome.org/browse/gtk+/commit/gdk/gdkwindow.c?id=a69285da08a2a61d5fd817ee8ccb88a6b6deaef6
If someone is still listening, please help me gather statistics about
this bug. If you have:
1. libgtk-3 >=3.7.10
2. emacs built with gtk3
Please report through priv whether you reproduce or not. Tell me even if
you don't reproduce and send the output of /proc/cpuinfo. Mine is "Intel
Celeron 3.2G". My email: jarekczek # poczta.onet.pl.
Remember to make sure which gtk is actually used, for example using
"strace emacs -Q 2>&1 | grep libgtk"
Jarek
- bug#15801: 24.3.50; bar scrolling freezes gtk emacs, Jan Djärv, 2013/12/01
- bug#15801: 24.3.50; bar scrolling freezes gtk emacs, Jarek Czekalski, 2013/12/02
- bug#15801: 24.3.50; bar scrolling freezes gtk emacs, Jarek Czekalski, 2013/12/02
- bug#15801: 24.3.50; bar scrolling freezes gtk emacs, Jarek Czekalski, 2013/12/02
- bug#15801: 24.3.50; bar scrolling freezes gtk emacs, Jarek Czekalski, 2013/12/03
- bug#15801: 24.3.50; bar scrolling freezes gtk emacs, Jarek Czekalski, 2013/12/04
- bug#15801: 24.3.50; bar scrolling freezes gtk emacs,
Jarek Czekalski <=
- bug#15801: 24.3.50; bar scrolling freezes gtk emacs, Jarek Czekalski, 2013/12/08
- bug#15801: 24.3.50; bar scrolling freezes gtk emacs, Jarek Czekalski, 2013/12/08