Bug report

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Hello,

While I try to plot the memory map of a 2D array the opening of gnuplot
fails.
I am running Linux Mint 20 with kernel 5.7.1-050701-generic
Enclosed below the error message:

$ ddd ./example02_ddd
Warning: locale not supported by Xlib, locale set to C
X Error of failed request:  BadWindow (invalid Window parameter)
  Major opcode of failed request:  10 (X_UnmapWindow)
  Resource id in failed request:  0x0
  Serial number of failed request:  34832
  Current serial number in output stream:  34839
X Error of failed request:  BadWindow (invalid Window parameter)
  Major opcode of failed request:  10 (X_UnmapWindow)
  Resource id in failed request:  0x0
  Serial number of failed request:  34834
  Current serial number in output stream:  34997

X error (invalid Window parameter).

*Oops!  You have found a bug in DDD.*

If you can reproduce this bug, please send a bug report
to <[email protected]>, giving a subject like

    DDD 3.3.12 (x86_64-pc-linux-gnu) gets `BadWindow' error

To enable us to fix the bug, you should include the following information:
* What you were doing to get this message.  Report all the facts.
* The contents of the `~/.ddd/log' file as generated by this session.
Please read also the section "Reporting Bugs" in the DDD manual.

We thank you for your support.

I would appreciate any advice on how to overcome this problem.

Regards,

Guy



*Guy Tel-Zur, Ph.D. *External Lecturer | Computer Engineering

[email protected]

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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-family:georgia,=
serif">Hello,</div><div class=3D"gmail_default" style=3D"font-family:georgi=
a,serif"><br></div><div class=3D"gmail_default" style=3D"font-family:georgi=
a,serif">While I try to plot the memory map of a 2D array the opening of gn=
uplot fails.</div><div class=3D"gmail_default" style=3D"font-family:georgia=
,serif">I am running Linux Mint 20 with kernel=C2=A05.7.1-050701-generic</d=
iv><div class=3D"gmail_default" style=3D"font-family:georgia,serif">Enclose=
d below the error message:</div><div class=3D"gmail_default" style=3D"font-=
family:georgia,serif"><br></div><div class=3D"gmail_default" style=3D""><fo=
nt face=3D"monospace">$ ddd ./example02_ddd <br>Warning: locale not support=
ed by Xlib, locale set to C<br>X Error of failed request: =C2=A0BadWindow (=
invalid Window parameter)<br>=C2=A0 Major opcode of failed request: =C2=A01=
0 (X_UnmapWindow)<br>=C2=A0 Resource id in failed request: =C2=A00x0<br>=C2=
=A0 Serial number of failed request: =C2=A034832<br>=C2=A0 Current serial n=
umber in output stream: =C2=A034839<br>X Error of failed request: =C2=A0Bad=
Window (invalid Window parameter)<br>=C2=A0 Major opcode of failed request:=
 =C2=A010 (X_UnmapWindow)<br>=C2=A0 Resource id in failed request: =C2=A00x=
0<br>=C2=A0 Serial number of failed request: =C2=A034834<br>=C2=A0 Current =
serial number in output stream: =C2=A034997<br><br>X error (invalid Window =
parameter).<br><br><b>Oops!=C2=A0 You have found a bug in DDD.</b><br><br>I=
f you can reproduce this bug, please send a bug report<br>to &lt;<a href=3D=
"mailto:[email protected]">[email protected]</a>&gt;, giving a subject like<br><br>=C2=
=A0 =C2=A0 DDD 3.3.12 (x86_64-pc-linux-gnu) gets `BadWindow&#39; error<br><=
br>To enable us to fix the bug, you should include the following informatio=
n:<br>* What you were doing to get this message.=C2=A0 Report all the facts=
.<br>* The contents of the `~/.ddd/log&#39; file as generated by this sessi=
on.<br>Please read also the section &quot;Reporting Bugs&quot; in the DDD m=
anual.<br><br>We thank you for your support.<br></font></div><div class=3D"=
gmail_default" style=3D"font-family:georgia,serif"><br></div><div class=3D"=
gmail_default" style=3D"font-family:georgia,serif">I would appreciate any a=
dvice on how to overcome this problem.</div><div class=3D"gmail_default" st=
yle=3D"font-family:georgia,serif"><br></div><div class=3D"gmail_default" st=
yle=3D"font-family:georgia,serif">Regards,</div><div class=3D"gmail_default=
" style=3D"font-family:georgia,serif"><br></div><div class=3D"gmail_default=
" style=3D"font-family:georgia,serif">Guy</div><div><br></div><br clear=3D"=
all"><div><div dir=3D"rtl" class=3D"gmail_signature" data-smartmail=3D"gmai=
l_signature"><div dir=3D"ltr"><div><div dir=3D"ltr"><div><div dir=3D"ltr"><=
div><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><di=
v dir=3D"ltr"><div dir=3D"ltr"><p style=3D"margin-bottom:0.0001pt;direction=
:ltr"><b><span>Guy Tel-Zur, Ph.D.<br>
</span></b><span>External Lecturer | </span><span>Computer Engineering</spa=
n></p><p style=3D"margin-bottom:0.0001pt;line-height:12pt;direction:ltr"><s=
pan><a href=3D"mailto:[email protected]" target=3D"_blank">gtelzur@pos=
t.bgu.ac.il</a></span></p><p style=3D"margin-bottom:0.0001pt;line-height:12=
pt;direction:ltr"><span style=3D"font-size:8pt;font-family:Arial,sans-serif=
"><a href=3D"http://tel-zur.net/" target=3D"_blank">web<b>=C2=A0</b></a><b>=
<span style=3D"color:rgb(228,108,10)">|</span></b><span style=3D"color:rgb(=
228,108,10)">=C2=A0</span><a href=3D"http://twitter.com/telzur" target=3D"_=
blank">follow<b>=C2=A0</b></a><b><span style=3D"color:rgb(228,108,10)">|</s=
pan></b><span style=3D"color:rgb(228,108,10)">=C2=A0</span><a href=3D"http:=
//www.linkedin.com/in/telzur" target=3D"_blank">network<b>=C2=A0</b></a></s=
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ion:ltr"><img src=3D"http://tel-zur.net/teaching/bgu/BGU_LOGO.jpg"><img src=
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zdVPQ" width=3D"96" height=3D"96"><br></p><div style=3D"font-size:small"><d=
iv><div dir=3D"ltr"><p style=3D"margin-bottom:0.0001pt;line-height:12pt">* =
Download my <a href=3D"https://play.google.com/store/apps/details?id=3Dcom.=
ParallelProcessing" target=3D"_blank">parallel processing course app</a></p=
><p style=3D"margin-bottom:0.0001pt;line-height:12pt">* Join my Cloud Compu=
ting group with more than 30,000 members:</p><div><b><a href=3D"https://www=
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lank">https://www.facebook.com/groups/1stcloud/</a></b><br></div><div><br><=
/div></div></div></div>

<p style=3D"margin-bottom:0.0001pt;direction:ltr"><span style=3D"font-size:=
10pt;font-family:Arial,sans-serif;color:rgb(228,108,10)">=C2=A0<span></span=
><span></span></span><span lang=3D"HE" dir=3D"rtl" style=3D"font-size:12pt;=
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