Date: Mon, 26 Mar 2007 12:12:58 -0500 From: "Jeremy Messenger" <mezz7@cox.net> To: "Andriy Gapon" <avg@icyb.net.ua> Cc: freebsd-gnome@freebsd.org Subject: Re: screen lock and gtk theme switch Message-ID: <op.tps3fwve9aq2h7@mezz.mezzweb.com> In-Reply-To: <4607DAE3.2090501@icyb.net.ua> References: <4607DAE3.2090501@icyb.net.ua>
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On Mon, 26 Mar 2007 09:38:27 -0500, Andriy Gapon <avg@icyb.net.ua> wrote=
:
> Environment:
> FreeBSD 6.2-RELEASE-p2 amd64
> gtk-2.10.11_2
> gtk-engines2-2.10.0
> gnome-desktop-2.18.0
> gnome-themes-2.18.0_1
> gnome-control-center-2.18.0
> gnome-screensaver-2.18.0_1
> gdm-2.18.0
> thunderbird-1.5.0.10
>
> I am not using full GNOME desktop, but rather many GNOME and GTK
> applications (i.e. no gnome-session stuff). I log in X session via GDM=
,
> but it is configured to do xinit session. I do start
> gnome-settings-daemon from my .xinitrc.
>
> Prior to 2.18 I also started gnome-screensaver from .xinitrc, but now =
it
> seems that it is started automatically by gnome-settings-daemon.
>
> I don't have anything interesting in .gtkrc*. I used to have one inclu=
de
> there, but I removed it because of the problem described in my other
> email ("gnome-theme-manager vs gtkrc-2.0"). Also, it seems that that
> include was not necessary anyway, because gnome-settings-daemon
> automatically applied selected GNOME/GTK theme.
>
> The problem is that screen lock/unlock causes thunderbird (email
> program) to crash:
> #0 0x00000000433190dc in thr_kill () from /lib/libc.so.6
> #1 0x00000000431ba01c in raise () from /usr/lib/libthr.so.2
> #2 0x0000000000411c53 in nsProfileLock::FatalSignalHandler ()
> #3 <signal handler called>
> #4 0x00000000461a9e6f in nsLookAndFeel::InitColors () from
> /usr/local/lib/thunderbird/components/libwidget_gtk2.so
> #5 0x00000000461aa37a in nsLookAndFeel::nsLookAndFeel () from
> /usr/local/lib/thunderbird/components/libwidget_gtk2.so
> #6 0x0000000047987bde in NS_NewPresContext () from
> /usr/local/lib/thunderbird/components/libgklayout.so
> #7 0x0000000047994da5 in PresShell::RetargetEventToParent () from
> /usr/local/lib/thunderbird/components/libgklayout.so
> #8 0x0000000047c2d2a5 in nsViewManager::HandleEvent () from
> /usr/local/lib/thunderbird/components/libgklayout.so
> #9 0x0000000047c2e886 in nsViewManager::Refresh () from
> /usr/local/lib/thunderbird/components/libgklayout.so
> #10 0x0000000047c2248a in nsIView::GetViewFor () from
> /usr/local/lib/thunderbird/components/libgklayout.so
> #11 0x00000000461a9229 in nsCommonWidget::DispatchResizeEvent () from
> /usr/local/lib/thunderbird/components/libwidget_gtk2.so
> #12 0x00000000461a07b0 in nsWindow::ThemeChanged () from
> /usr/local/lib/thunderbird/components/libwidget_gtk2.so
> #13 0x00000000461a082d in nsWindow::ThemeChanged () from
> /usr/local/lib/thunderbird/components/libwidget_gtk2.so
> #14 0x00000000428dec69 in g_closure_invoke () from
> /usr/local/lib/libgobject-2.0.so.0
> ...
See here: http://www.freebsd.org/gnome/docs/bugging.html
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
* If a program produces a core dump, provide a back trace. [...goes on..=
.]
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Cheers,
Mezz
> It looks like the crash is caused by GTK theme change. I think this is=
a
> known and long standing problem with thunderbird, so I don't hope that=
> it will be fixed any time soon. So, instead I hope to find a cause of
> this GTK theme switch and eliminate it.
>
> Looking at time stamp of a thunderbird core file it seems that crash
> happens on unlock or maybe when unlock dialog appears.
>
> There is another problem. gnome-settings-daemon also crashes when
> thunderbird does. I verified that gnome-settings-daemon is OK with
> lock/unlock when thunderbird does not run. Make thunderbird crash and
> gnome-settings-daemon goes down too.
> Maybe it is not robust enough to handle abruptly disappearing clients =
?
>> From gnome-settings-daemon-bugreport.txt:
> System: FreeBSD 6.2-RELEASE-p2 FreeBSD 6.2-RELEASE-p2 #1: Thu Mar 15
> 12:45:46 EET 2007 avg@rein:/usr/obj/usr/src/sys/REIN amd64
> X Vendor: The X.Org Foundation
> X Vendor Release: 70200000
> Selinux: No
> Accessibility: Disabled
> GTK+ Theme: Mist
> Icon Theme: Mist
>
> Memory status: size: 106100 vsize: 106100 resident: 19376 share:
> 49869302 rss: 19376 rss_rlim: 4844
> CPU usage: start_time: 0 rtime: 0 utime: 0 stime: 0 cutime:0 cstime: 0=
> timeout: 0 it_real_value: 0 frequency: 133
>
> Backtrace was generated from '/usr/local/libexec/gnome-settings-daemon=
'
> [New Thread 0x52f000 (LWP 100182)]
> [Switching to Thread 0x5b3800 (LWP 100102)]
> 0x000000004615df2a in read () from /lib/libc.so.6
> #0 0x000000004615df2a in read () from /lib/libc.so.6
> #1 0x0000000045f7d084 in read () from /usr/lib/libthr.so.2
> #2 0x0000000045b11483 in g_timeout_add ()
> from /usr/local/lib/libglib-2.0.so.0
> #3 0x0000000045b28a32 in g_static_private_free ()
> from /usr/local/lib/libglib-2.0.so.0
> #4 0x0000000045f7f55b in pthread_create () from /usr/lib/libthr.so.2
> #5 0x0000000000000000 in ?? ()
>
>
> To sum this up: I didn't have this problem when I had GNOME 2.16 and
> also had the following line in my .gtkrc-2.0:
> include "/usr/local/share/themes/Mist/gtk-2.0/gtkrc"
> Not sure which one was more important, but I guess that having that
> include ensured that GTK theme was always the same.
> Ideally it would be nice to have all issues described here resolved:
> 1. unnecessary GTK theme switch
> 2. thunderbird crash on GTK theme switch
> 3. gnome-settings-daemon crash on thunderbird crash
-- =
mezz7@cox.net - mezz@FreeBSD.org
FreeBSD GNOME Team - FreeBSD Multimedia Hat (ports, not src)
http://www.FreeBSD.org/gnome/ - gnome@FreeBSD.org
http://wiki.freebsd.org/multimedia - multimedia@FreeBSD.org
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