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Date: Tue, 19 May 2020 13:55:17 +0200 (CEST)
From: Roland Lutz <rlutz AT hedmen DOT org>
To: "Shashank Chintalagiri (shashank DOT chintalagiri AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
Subject: Re: [geda-user] gschem segfaults on startup all of a sudden
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Hi Shashank,

On Tue, 19 May 2020, Shashank Chintalagiri 
(shashank DOT chintalagiri AT gmail DOT com) [via geda-user AT delorie DOT com] wrote:
> All of a sudden, gschem (1.10.0 and git head) has started segfaulting
> on startup for me. To the best of my knowledge, nothing has changed on
> my computer. It was working one minute and then it wasn't.
> 
> […]
> 
> (gschem:27169): Gtk-WARNING **: 05:52:22.277: Unable to locate theme
> engine in module_path: "murrine",

as far as I can tell, this is a new bug.  The first message indicates 
what's wrong: for some reason, GTK isn't initializing properly.

Could you please run gschem under gdb, once with G_DEBUG=fatal_warnings 
and once with G_DEBUG=fatal_criticals, and see where execution breaks?


On Mon, 18 May 2020, John Conover wrote:
> Yes, gschem(1) is doing a lot of core dumps, coming from the GTK/GDK
> system.

If this is reproducible on your system, that would be really helpful. 
gschem only very rarely crashes on my system (once a year or so) which 
makes this hard for me to debug.

> I tried to find it from gdb after a compile on amd64, but to no avail.

I believe it is some kind of memory corruption, which would mean memcheck 
or something similar is required for meaningful debugging.  Unfortunately, 
messages are flooded with problems with Guile, so I postponed this until 
gEDA/gaf can run without Guile.

Roland

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