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<H1>[Mono-list] Problem running debugger over Cygwin/XFree86
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<B>Jaroslaw Kowalski
</B>
<A HREF="mailto:jaroslaw.kowalski%40atm.com.pl"
TITLE="[Mono-list] Problem running debugger over Cygwin/XFree86">jaroslaw.kowalski@atm.com.pl
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<I>Fri, 10 Oct 2003 13:03:15 +0200</I>
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<PRE>This is a multi-part message in MIME format.
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Can you give me some hint, what can be the cause of the problem?
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
** (Debugger:19339): CRITICAL **: file pango-context.c: line 243 =
(pango_context_load_fontset): assertion `pango_font_description_get_size =
(desc) !=3D 0' failed
** (Debugger:19339): CRITICAL **: file pango-fontset.c: line 101 =
(pango_fontset_get_metrics): assertion `fontset !=3D NULL' failed
** (Debugger:19339): CRITICAL **: file pango-context.c: line 243 =
(pango_context_load_fontset): assertion `pango_font_description_get_size =
(desc) !=3D 0' failed
** (Debugger:19339): CRITICAL **: file pango-fontset.c: line 101 =
(pango_fontset_get_metrics): assertion `fontset !=3D NULL' failed
Unhandled Exception: System.NullReferenceException: A null value was =
found where an object instance was required
in (unmanaged) (wrapper managed-to-native) Gtk.Application:gtk_main ()
in &lt;0x00004&gt; (wrapper managed-to-native) Gtk.Application:gtk_main ()
in &lt;0x00007&gt; Gtk.Application:Run ()
in &lt;0x00007&gt; Gnome.Program:Run ()
in &lt;0x00050&gt; Mono.Debugger.GUI.DebuggerGUI:Run ()
in &lt;0x000ff&gt; Mono.Debugger.GUI.DebuggerGUI:Main (string[])
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
after which the debugger (I use mono-debug) quits. The above happens =
whenever I try to select any option from the menu.
My configuration:
RedHat Linux 9/x86 with some updates (via apt-get)
Relevant package versions:
gtk2-2.2.1-4
pango-1.2.1-3
atk-1.2.0-2
glib-1.2.10-10
gtk2-devel-2.2.1-4
pango-devel-1.2.1-3
atk-devel-1.2.0-2
glib-devel-1.2.10-10
glade-0.6.4-9
libglade-devel-0.17-11
libglade-0.17-11
GConf2-2.2.0-1
GConf2-devel-2.2.0-1
mono,mcs,gtk-sharp and debugger compiled from anonymous CVS.
Cygwin/XFree86 running on Windows XP/Professional. Other gtk =
applications (like gedit) work flawlessly with this X-Server.
Because of this problem I've never been able to run debugger =
successfully and I really want to try it.
Jarek
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&lt;!DOCTYPE HTML PUBLIC &quot;-//W3C//DTD HTML 4.0 Transitional//EN&quot;&gt;
&lt;HTML&gt;&lt;HEAD&gt;
&lt;META http-equiv=3DContent-Type content=3D&quot;text/html; =
charset=3Diso-8859-2&quot;&gt;
&lt;META content=3D&quot;MSHTML 6.00.2800.1264&quot; name=3DGENERATOR&gt;
&lt;STYLE&gt;&lt;/STYLE&gt;
&lt;/HEAD&gt;
&lt;BODY bgColor=3D#ffffff&gt;&lt;FONT face=3DArial size=3D2&gt;
&lt;DIV&gt;Can you give me some hint, what can be the cause of the =
problem?&lt;/DIV&gt;
&lt;DIV&gt;&amp;nbsp;&lt;/DIV&gt;
&lt;DIV&gt;=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D&lt;/DIV&gt;
&lt;DIV&gt;** (Debugger:19339): CRITICAL **: file pango-context.c: line 243=20
(pango_context_load_fontset): assertion `pango_font_description_get_size =
(desc)=20
!=3D 0' failed&lt;/DIV&gt;
&lt;DIV&gt;** (Debugger:19339): CRITICAL **: file pango-fontset.c: line 101=20
(pango_fontset_get_metrics): assertion `fontset !=3D NULL' failed&lt;/DIV&gt;
&lt;DIV&gt;** (Debugger:19339): CRITICAL **: file pango-context.c: line 243=20
(pango_context_load_fontset): assertion `pango_font_description_get_size =
(desc)=20
!=3D 0' failed&lt;/DIV&gt;
&lt;DIV&gt;** (Debugger:19339): CRITICAL **: file pango-fontset.c: line 101=20
(pango_fontset_get_metrics): assertion `fontset !=3D NULL' failed&lt;/DIV&gt;
&lt;DIV&gt;&amp;nbsp;&lt;/DIV&gt;
&lt;DIV&gt;Unhandled Exception: System.NullReferenceException: A null value =
was found=20
where an object instance was required&lt;BR&gt;in (unmanaged) (wrapper=20
managed-to-native) Gtk.Application:gtk_main ()&lt;BR&gt;in &amp;lt;0x00004&amp;gt; =
(wrapper=20
managed-to-native) Gtk.Application:gtk_main ()&lt;BR&gt;in &amp;lt;0x00007&amp;gt;=20
Gtk.Application:Run ()&lt;BR&gt;in &amp;lt;0x00007&amp;gt; Gnome.Program:Run ()&lt;BR&gt;in=20
&amp;lt;0x00050&amp;gt; Mono.Debugger.GUI.DebuggerGUI:Run ()&lt;BR&gt;in =
&amp;lt;0x000ff&amp;gt;=20
Mono.Debugger.GUI.DebuggerGUI:Main (string[])&lt;/DIV&gt;
&lt;DIV&gt;=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D&lt;/DIV&gt;
&lt;DIV&gt;&amp;nbsp;&lt;/DIV&gt;
&lt;DIV&gt;after which the debugger (I use mono-debug) quits. The above =
happens=20
whenever I try to select any option from the menu.&lt;/DIV&gt;
&lt;DIV&gt;&amp;nbsp;&lt;/DIV&gt;
&lt;DIV&gt;My configuration:&lt;/DIV&gt;
&lt;DIV&gt;&amp;nbsp;&lt;/DIV&gt;
&lt;DIV&gt;RedHat Linux 9/x86 with some updates (via apt-get)&lt;/DIV&gt;
&lt;DIV&gt;Relevant package&amp;nbsp;versions:&lt;/DIV&gt;
&lt;DIV&gt;&amp;nbsp;&lt;/DIV&gt;
&lt;DIV&gt;gtk2-2.2.1-4&lt;BR&gt;pango-1.2.1-3&lt;BR&gt;atk-1.2.0-2&lt;BR&gt;glib-1.2.10-10&lt;BR&gt;gt=
k2-devel-2.2.1-4&lt;BR&gt;pango-devel-1.2.1-3&lt;BR&gt;atk-devel-1.2.0-2&lt;BR&gt;glib-deve=
l-1.2.10-10&lt;BR&gt;glade-0.6.4-9&lt;BR&gt;libglade-devel-0.17-11&lt;BR&gt;libglade-0.17-1=
1&lt;BR&gt;GConf2-2.2.0-1&lt;BR&gt;GConf2-devel-2.2.0-1&lt;/DIV&gt;
&lt;DIV&gt;&amp;nbsp;&lt;/DIV&gt;
&lt;DIV&gt;mono,mcs,gtk-sharp and debugger compiled from anonymous=20
CVS.&lt;BR&gt;Cygwin/XFree86 running on Windows XP/Professional.&amp;nbsp;Other =
gtk=20
applications (like gedit) work flawlessly with this X-Server.&lt;/DIV&gt;
&lt;DIV&gt;&amp;nbsp;&lt;/DIV&gt;
&lt;DIV&gt;Because of this problem I've never been able to run debugger =
successfully=20
and I really want to try it.&lt;/DIV&gt;
&lt;DIV&gt;&amp;nbsp;&lt;/DIV&gt;
&lt;DIV&gt;Jarek&lt;/DIV&gt;&lt;/FONT&gt;&lt;/BODY&gt;&lt;/HTML&gt;
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