X2Go Bug report logs - #1321
X Error: BadLength (poly request too large or internal Xlib length error) 16

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Package: x2goserver; Maintainer for x2goserver is X2Go Developers <x2go-dev@lists.x2go.org>; Source for x2goserver is src:x2goserver.

Reported by: Kröger, Hannes <hannes@kroegeronline.net>

Date: Fri, 17 Aug 2018 08:30:02 UTC

Severity: normal

Tags: pending

Found in version 4.1.0.2-0~1642~ubuntu16.04.1

Fixed in version 4.1.0.3

Done: Mihai Moldovan <ionic@ionic.de>

Bug is archived. No further changes may be made.

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Subject: Bug#1321: [X2Go-Dev] Bug#1321: Bug#1321: X Error: BadLength (poly request too	large or internal Xlib length error) 16
Reply-To: Walid MOGHRABI <w.moghrabi@servicemagic.eu>, 1321@bugs.x2go.org
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Date: Fri, 17 Aug 2018 14:23:50 +0200 (CEST)
From: Walid MOGHRABI <w.moghrabi@servicemagic.eu>
To: Hannes Kröger <hannes@kroegeronline.net>, 
	1321@bugs.x2go.org
Cc: uli42@gmx.de
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You don't have to fear anything, if it works with BIG-REQUESTS then it just works (mostly).
This is just that, as Uli said, the BIG_REQUEST extension support is very buggy in NX and thus, some apps work with it (or even need it to work such as VLC or your 3D viewer) and some don't (such as ATOM.io, VSCode and many other elektron based applications).

By now, depending on your needs, you should enable it or not.


Regards,
Walid Moghrabi

TRAVAUX.COM
BAT I - PARC CEZANNE 2 290 AVENUE GALILEE - CS 80403
13591 AIX EN PROVENCE CEDEX 3

----- Mail original ----- 

De: "Hannes Kröger" <hannes@kroegeronline.net> 
À: uli42@gmx.de, 1321@bugs.x2go.org 
Envoyé: Vendredi 17 Août 2018 12:44:06 
Objet: [X2Go-Dev] Bug#1321: Bug#1321: X Error: BadLength (poly request too large or internal Xlib length error) 16 

Hi Uli, 

ok, when I put 

X2GO_NXAGENT_DEFAULT_OPTIONS+=" +extension BIG-REQUESTS" 

into /etc/x2go/x2goagent.options then paraview starts without errors. 

But the comment says: 
"Disable BIG-REQUESTS, nx-libs does not implement this extension 
correctly. Leads to all sorts of weird crashes if left enabled." 
Is this still true? Do I have to fear all sorts of weird crashes? 

Am 17.08.2018 um 11:22 schrieb Ulrich Sibiller: 
> Try to toggle BIGREQUESTS in /etc/x2go/ 
> 
> Uli 
> 
> 
> On Fri, Aug 17, 2018 at 9:55 AM, Kröger@das-netzwerkteam.de, Hannes 
> <hannes@kroegeronline.net> wrote: 
>> Package: x2goserver 
>> Version: 4.1.0.2-0~1642~ubuntu16.04.1 
>> 
>> When the 3D viewing software paraview is executed in a x2go session, it 
>> does not start, but yields the error below: 
>> $ paraview 
>> X Error: BadLength (poly request too large or internal Xlib length error) 16 
>> Major opcode: 18 (X_ChangeProperty) 
>> Resource id: 0x30001da 
>> This problem does not appear in older versions of x2go. I could not find 
>> a workaround for the problem. Any hints are welcome. 
>> OS: Ubuntu 16.04 Xenial 
>> Paraview - Version 4.4.0 
>> NXAGENT - Version 3.5.99.16 
>> _______________________________________________ 
>> x2go-dev mailing list 
>> x2go-dev@lists.x2go.org 
>> https://lists.x2go.org/listinfo/x2go-dev 
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