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   <H1>[Mageia-dev] net_applet segfaulting</H1>
    <B>Shlomi Fish</B> 
    <A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20net_applet%20segfaulting&In-Reply-To=%3C20120701181536.19d6c420%40lap.shlomifish.org%3E"
       TITLE="[Mageia-dev] net_applet segfaulting">shlomif at shlomifish.org
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    <I>Sun Jul  1 17:15:36 CEST 2012</I>
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<PRE>On Sun, 01 Jul 2012 14:55:25 +0200
Robert Fox &lt;<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">list at foxconsult.net</A>&gt; wrote:

&gt;<i> On Tue, 2012-06-19 at 19:46 +0200, Thierry Vignaud wrote:
</I>&gt;<i> &gt; On 19 June 2012 16:01, Robert Fox &lt;<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">list at foxconsult.net</A>&gt; wrote:
</I>&gt;<i> &gt; &gt; So for some unexplained reason it segfaults and I have to start it
</I>&gt;<i> &gt; &gt; again.
</I>&gt;<i> &gt; 
</I>&gt;<i> &gt; Please:
</I>&gt;<i> &gt; 1) install perl-debug glibc-debug perl-Glib-debug perl-Gtk2-debug
</I>&gt;<i> &gt; gtk2.0-debug gdb
</I>&gt;<i> &gt; 2) run &quot;gdb perl /usr/bin/net_applet&quot;
</I>&gt;<i> &gt; 3) type &quot;run&quot; to start it from the debuger
</I>&gt;<i> &gt; 4) type &quot;bt&quot; to get a backstrace once it segfaulted
</I>&gt;<i> &gt; 5) paste the backtrace in a text file you'll _attach_ to a bug report
</I>&gt;<i> 
</I>&gt;<i> Finally got around to trying this - here is the output so far:
</I>&gt;<i> 
</I>&gt;<i> [<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">rfox at ThinkFox</A> ~]$ gdb perl /usr/bin/net_applet
</I>&gt;<i> GNU gdb (GDB) 7.3.50.20110722-4.mga2 (Mageia release 2)
</I>&gt;<i> Copyright (C) 2011 Free Software Foundation, Inc.
</I>&gt;<i> License GPLv3+: GNU GPL version 3 or later
</I>&gt;<i> &lt;<A HREF="http://gnu.org/licenses/gpl.html">http://gnu.org/licenses/gpl.html</A>&gt;
</I>&gt;<i> This is free software: you are free to change and redistribute it.
</I>&gt;<i> There is NO WARRANTY, to the extent permitted by law.  Type &quot;show
</I>&gt;<i> copying&quot;
</I>&gt;<i> and &quot;show warranty&quot; for details.
</I>&gt;<i> This GDB was configured as &quot;x86_64-mageia-linux-gnu&quot;.
</I>&gt;<i> For bug reporting instructions, please see:
</I>&gt;<i> &lt;<A HREF="http://www.gnu.org/software/gdb/bugs/">http://www.gnu.org/software/gdb/bugs/</A>&gt;...
</I>&gt;<i> Reading symbols from /usr/bin/perl...Reading symbols
</I>&gt;<i> from /usr/lib/debug/usr/bin/perl5.16.0.debug...done.
</I>&gt;<i> done.
</I>&gt;<i> &quot;/usr/bin/net_applet&quot; is not a core dump: File format not recognized
</I>&gt;<i> (gdb) run
</I>&gt;<i> Starting program: /usr/bin/perl 
</I>&gt;<i> [Thread debugging using libthread_db enabled]
</I>&gt;<i> Using host libthread_db library &quot;/lib64/libthread_db.so.1&quot;.
</I>&gt;<i> 
</I>&gt;<i> and it just sits there - program doesn't start.
</I>&gt;<i> 
</I>&gt;<i> Didn't get very far . . .
</I>&gt;<i> 
</I>
That's the wrong way to invoke gdb. You need:

$ gdb /usr/bin/perl

And in the gdb prompt:

$ r /usr/bin/net_applet

You can also use a --command start-up flag for that.

Regards,

	Shlomi Fish


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