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(unknown charset) Success: Re: Gdk-ERROR BadValue

From: (unknown charset) Thomas Schulz <schulz@adi.com>
Date: Fri, 16 Apr 2004 21:49:06 -0400 (EDT)
Message-Id: <200404170149.i3H1n6G8017862@dolphin.adi.com>
To: (unknown charset) www-amaya-dev@w3.org

> > I have built amaya on an AIX 4.1.5 R2 system with gcc 3.3.2.  When I try
> > to run it, I get the following error:
> > 
> > Gdk-ERROR **: BadValue (integer parameter out of range for operation)
> >   serial 735 error_code 2 request_code 51 minor_code 0

------------- cut --------------

> Hum, when GDK detects an error it exits the process and so it's very difficult
> to understand what generated the crash.
> Before installing gdb could you launch amaya with strace to see what happends.

---------------- cut ---------------

AIX has a program called strace, but it has nothing to do with debugging
programs.  I downloaded the GNU strace source, but it does not support
AIX.  I have now built GNU gdb and have run amaya with a breakpoint
at gdk_x_error.  The output is as follows:

> gdb amaya
GNU gdb 6.0
--- cut ---
This GDB was configured as "powerpc-ibm-aix4.1.4.0"...
(gdb) break gdk_x_error
Breakpoint 1 at 0x10033f50: file gdk.c, line 1067.
(gdb) run

----------- cut -------------

Breakpoint 1, gdk_x_error (display=0x216b9218, error=0x2ff1bf68) at gdk.c:1067
1067    in gdk.c
(gdb) backtrace
#0  gdk_x_error (display=0x216b9218, error=0x2ff1bf68) at gdk.c:1067
#1  0xd01f10b8 in _XError () from /usr/lib/libX11.a(shr4.o)
#2  0xd01eee44 in _XReply () from /usr/lib/libX11.a(shr4.o)
#3  0xd01f92d0 in XListFonts () from /usr/lib/libX11.a(shr4.o)
#4  0x101b3c1c in _Z19IsXLFDPatterneAFontPc (
    pattern=0x2ff1c152 "-mozilla-times-medium-r-*-*-12-*-*-*-*-*-iso8859-1")
    at ../../thotlib/dialogue/fontconfig.c:116
#5  0x101b488c in _Z12FontLoadFileP4FILEPP10FontScript (file=0xf0172528, 
    fontsscript_tab=0x2170a408) at ../../thotlib/dialogue/fontconfig.c:342
#6  0x101b4af4 in _Z14FontConfigLoadv ()
    at ../../thotlib/dialogue/fontconfig.c:412
#7  0x101b4c44 in _Z18FontLoadFromConfigcii (script=76 'L', face=2, style=0)
    at ../../thotlib/dialogue/fontconfig.c:438
#8  0x101b0844 in _Z17GetFontIdentifierciii8TypeUnitPcS0_ (script=76 'L', 
    family=2, highlight=0, size=3, unit=UnRelative, text=0x2ff22288 "", 
    textX=0x2ff22298 "/#\030D\"BB!p\b/#8/#\0306'\
s\"\200ޭ/#\030ޭޭ N\
17ޭ/\"/#\030") at ../../thotlib/dialogue/
ont.c:1391
#9  0x101b0b3c in _Z8ReadFontciii8TypeUnit (script=76 'L', family=2, 
    highlight=0, size=3, unit=UnRelative) at ../../thotlib/dialogue/font.c:1450
#10 0x101b2c00 in _Z17InitDialogueFontsPc (name=0x2ff224e0 "amaya")
    at ../../thotlib/dialogue/font.c:2485
#11 0x10170bc8 in _Z15ThotInitDisplayPcii (name=0x2ff224e0 "amaya", dx=0, dy=0)
    at ../../thotlib/dialogue/context.c:489
#12 0x10164b5c in _Z12TteInitMenusPci (name=0x2ff224e0 "amaya", number=281)
    at ../../thotlib/dialogue/appdialogue.c:437
#13 0x1000061c in main (argc=1, argv=0x2ff22d3c) at EDITORAPP.c:381
(gdb) continue
Continuing.
Gdk-ERROR **: BadValue (integer parameter out of range for operation)
  serial 735 error_code 2 request_code 51 minor_code 0

Program exited with code 01.
(gdb) 

I have it working!  The problem only occures when I have the DISPLAY set
to display back on a SOLARIS machine.  There is no problem displaying
on a local display or to a PC running Exceed.  When displaying on a
SOLARIS machine, XListFonts generates the above error the first time it
is called.  If I set gdk_error_warnings to 0 before the call to
XListFonts, gdk_x_error does not terminate Amaya and XListFonts returnes
the correct information.  The many other calls to XListFonts do not call
gdk_x_error.  Note that request_code 51 is 'X_SetFontPath'.  Following is
the change that I made to  amaya/Amaya/thotlib/dialogue/fontconfig.c:

> diff fontconfig.c.orig fontconfig.c     
115a116
>       gdk_error_warnings = 0;
116a118
>       gdk_error_warnings = 1;


Tom schulz
Applied Dynamics Intl.
schulz@adi.com
Received on Friday, 16 April 2004 21:49:29 UTC

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