X2Go Bug report logs - #586
X2Go session sometimes slows to a crawl

version graph

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

Reported by: Stefan Radermacher <stefan@zaister.de>

Date: Thu, 28 Aug 2014 12:25:02 UTC

Severity: normal

Found in version 4.0.1.15

Done: Juri Grabowski <x2go-dev@jugra.de>

Bug is archived. No further changes may be made.

Full log


Report forwarded to x2go-dev@lists.x2go.org, X2Go Developers <x2go-dev@lists.x2go.org>:
Bug#586; Package x2goserver. (Thu, 28 Aug 2014 12:25:02 GMT) (full text, mbox, link).


Acknowledgement sent to Stefan Radermacher <stefan@zaister.de>:
New Bug report received and forwarded. Copy sent to X2Go Developers <x2go-dev@lists.x2go.org>. (Thu, 28 Aug 2014 12:25:02 GMT) (full text, mbox, link).


Message #5 received at submit@bugs.x2go.org (full text, mbox, reply):

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From: Stefan Radermacher <stefan@zaister.de>
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Subject: X2Go session sometimes slows to a crawl
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Package: x2goserver
Version: 4.0.1.15

The client machine's OS: Gentoo Linux 64-bit
The client machine's version of X2GoClient: 4.0.2.1
Any relevant session settings in X2GoClient: KDE session
The server's OS: Gentoo Linux 64-bit
The server's version of the x2goserver package: 4.0.1.15
The server's version of the x2goserver-xsession package (included in
server package)
The server's version of the nx-libs package: 3.5.0.27

After a while of running, the session can slow down so that the
environment reacts very slowly, window changes come only after seconds,
and mouse clicks or keyboard presses only register after several
seconds, too. This happens even if there is no significant load on the
server machine.

On occasion, the session can actually recover from this state.

When the session is disconnected during such a slowdown, it terminates, too.


Information forwarded to x2go-dev@lists.x2go.org, X2Go Developers <x2go-dev@lists.x2go.org>:
Bug#586; Package x2goserver. (Thu, 28 Aug 2014 14:20:02 GMT) (full text, mbox, link).


Acknowledgement sent to Milan Knížek <knizek.confy@gmail.com>:
Extra info received and forwarded to list. Copy sent to X2Go Developers <x2go-dev@lists.x2go.org>. (Thu, 28 Aug 2014 14:20:02 GMT) (full text, mbox, link).


Message #10 received at 586@bugs.x2go.org (full text, mbox, reply):

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Message-ID: <1409235330.9341.2.camel@gmail.com>
Subject: Re: [X2Go-Dev] Bug#586: X2Go session sometimes slows to a crawl
From: Milan Knížek <knizek.confy@gmail.com>
To: Stefan Radermacher <stefan@zaister.de>, 586@bugs.x2go.org
Cc: submit@bugs.x2go.org
Date: Thu, 28 Aug 2014 16:15:30 +0200
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Stefan Radermacher píše v Čt 28. 08. 2014 v 14:23 +0200:

> After a while of running, the session can slow down so that the
> environment reacts very slowly, window changes come only after seconds,
> and mouse clicks or keyboard presses only register after several
> seconds, too. This happens even if there is no significant load on the
> server machine.
> 
> On occasion, the session can actually recover from this state.

I experience the same behaviour for about 9 months now. Server is Arch
Linux x86_64 with recent x2go server. Client is on Windows XP. I do not
use clients on other OS's, hence cannot tell otherwise. Different
versions of neither client nor server seem to have any influence on the
behaviour.

Someone on the mailing list mentioned the reason could be antivirus
scanning the temporary files (i.e. locking them) on client. Since I use
a company PC, the antivirus cannot be prevented to ignore the x2go temp
files and I cannot tell if this really is the culprit.

However, since this affects also a Linux client in your case, I am more
inclined to an idea of too recent X libs - dependencies of apps - being
incompatible with the old x2go agent. (Both Arch and Gentoo are probably
ahead with upgraded packages compared to Debian).

Milan


Information forwarded to x2go-dev@lists.x2go.org, X2Go Developers <x2go-dev@lists.x2go.org>:
Bug#586; Package x2goserver. (Wed, 22 Oct 2014 09:15:02 GMT) (full text, mbox, link).


Acknowledgement sent to Milan Knížek <knizek.confy@gmail.com>:
Extra info received and forwarded to list. Copy sent to X2Go Developers <x2go-dev@lists.x2go.org>. (Wed, 22 Oct 2014 09:15:02 GMT) (full text, mbox, link).


Message #15 received at 586@bugs.x2go.org (full text, mbox, reply):

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Message-ID: <1413969091.12574.1.camel@gmail.com>
Subject: Re: [X2Go-Dev] Bug#586: Bug#586: X2Go session sometimes slows to a
 crawl
From: Milan Knížek <knizek.confy@gmail.com>
To: 586@bugs.x2go.org
Date: Wed, 22 Oct 2014 11:11:31 +0200
In-Reply-To: <1409235330.9341.2.camel@gmail.com>
References: <53FF1F4B.8040505@zaister.de>
	 <1409235330.9341.2.camel@gmail.com>
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> 
> 
> > After a while of running, the session can slow down so that the
> > environment reacts very slowly, window changes come only after seconds,
> > and mouse clicks or keyboard presses only register after several
> > seconds, too. This happens even if there is no significant load on the
> > server machine.
> > 
> > On occasion, the session can actually recover from this state.

In PyHoca-GUI + Win 7 (I have used it for about one month now), it seems
to be more stable and the "slow-down" problem appears less often.

The following might be related: when I open any keepass window, the
window (db unlock, item display, whatever) is not drawn properly
initially - some parts are not drawn and instead the contents of another
window in the background is shown.
At the same moment all x2go windows freeze for about 30 seconds and then
all the apps (including keepass) continue to work normally. The
originally scattered contents of keepass window is eventually drawn
properly too.
Keepass is a Mono app.

Milan


Information forwarded to x2go-dev@lists.x2go.org, X2Go Developers <x2go-dev@lists.x2go.org>:
Bug#586; Package x2goserver. (Wed, 22 Oct 2014 13:35:02 GMT) (full text, mbox, link).


Acknowledgement sent to Milan Knížek <knizek.confy@gmail.com>:
Extra info received and forwarded to list. Copy sent to X2Go Developers <x2go-dev@lists.x2go.org>. (Wed, 22 Oct 2014 13:35:02 GMT) (full text, mbox, link).


Message #20 received at 586@bugs.x2go.org (full text, mbox, reply):

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Message-ID: <1413984649.17790.1.camel@gmail.com>
Subject: [X2Go-Dev] Bug#586: X2Go session sometimes slows to a crawl
From: Milan Knížek <knizek.confy@gmail.com>
To: 586@bugs.x2go.org
Date: Wed, 22 Oct 2014 15:30:49 +0200
In-Reply-To: <1413969091.12574.1.camel@gmail.com>
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Milan Knížek píše v St 22. 10. 2014 v 11:11 +0200:
> > 
> The following might be related: when I open any keepass window, the
> window (db unlock, item display, whatever) is not drawn properly
> initially - some parts are not drawn and instead the contents of another
> window in the background is shown.
> At the same moment all x2go windows freeze for about 30 seconds and then
> all the apps (including keepass) continue to work normally. The
> originally scattered contents of keepass window is eventually drawn
> properly too.
> Keepass is a Mono app.
> 
Interestingly, the "freeze" period gets shorter down to cca 5 seconds,
when I used Xming+Putty X server (version 6.9.0.31).

Milan


Information forwarded to x2go-dev@lists.x2go.org, X2Go Developers <x2go-dev@lists.x2go.org>:
Bug#586; Package x2goserver. (Mon, 08 Dec 2014 09:45:01 GMT) (full text, mbox, link).


Acknowledgement sent to Brian Lim <brian.lim.ca@gmail.com>:
Extra info received and forwarded to list. Copy sent to X2Go Developers <x2go-dev@lists.x2go.org>. (Mon, 08 Dec 2014 09:45:01 GMT) (full text, mbox, link).


Message #25 received at 586@bugs.x2go.org (full text, mbox, reply):

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Subject: bug 586 seems similar to bug 465
From: Brian Lim <brian.lim.ca@gmail.com>
To: 586@bugs.x2go.org
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Bug 465 also describes slowness. Bug 465 also documents that the problem is
intermittent and illustrates that point in the attached document that
contains a plot that shows that the problem gets progressively worse but
can suddenly be absent. However, even though the problem can become absent,
it very shortly returns.
[Message part 2 (text/html, inline)]

Information forwarded to x2go-dev@lists.x2go.org, X2Go Developers <x2go-dev@lists.x2go.org>:
Bug#586; Package x2goserver. (Wed, 19 Aug 2015 19:05:02 GMT) (full text, mbox, link).


Acknowledgement sent to Marc V <therebel22@gmail.com>:
Extra info received and forwarded to list. Copy sent to X2Go Developers <x2go-dev@lists.x2go.org>. (Wed, 19 Aug 2015 19:05:02 GMT) (full text, mbox, link).


Message #30 received at 586@bugs.x2go.org (full text, mbox, reply):

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Subject: Re: [X2Go-Dev] Bug#586: X2Go session sometimes slows to a crawl
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Hello,

same problem here. Afters hours (3-4H, random) , session becomes slow, clic
very long to respond. No network problem, no load or CPU high on server,
everything is normal on server.

I was unable to reproduce at any time. and i wad unable to guess what KDE4
app is problem. Application that are used :  Dolphin, Open Office Calc,
sometimes Firefox

Closing session et restart it is OK.

I can make some tests or look for logs if you want..
Thanks

Package: x2goserver
Version: 4.1.0.0-0~1303~ubuntu14.04.1

The client machine's OS: Window 7 or Linux Debian Jessie
The client machine's version of X2GoClient: 4.0.2.1
Any relevant session settings in X2GoClient: KDE 4.13 session
The server's OS: Ubuntu 14.04 64-bit
The server's version of the x2goserver package: 4.1.0.0-0~1303
The server's version of the x2goserver-xsession package (included in
server package) : 4.1.0.0-0~1303~ubuntu14.04.1
The server's version of the nx-libs package: 3.5.0.33-0~671~ubuntu14.04.1
[Message part 2 (text/html, inline)]

Information forwarded to x2go-dev@lists.x2go.org, X2Go Developers <x2go-dev@lists.x2go.org>:
Bug#586; Package x2goserver. (Thu, 20 Aug 2015 18:40:02 GMT) (full text, mbox, link).


Acknowledgement sent to Ulrich Sibiller <uli42@gmx.de>:
Extra info received and forwarded to list. Copy sent to X2Go Developers <x2go-dev@lists.x2go.org>. (Thu, 20 Aug 2015 18:40:02 GMT) (full text, mbox, link).


Message #35 received at 586@bugs.x2go.org (full text, mbox, reply):

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Date: Thu, 20 Aug 2015 20:37:35 +0200
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Subject: Re: [X2Go-Dev] Bug#586: Bug#586: X2Go session sometimes slows to a crawl
To: Marc V <therebel22@gmail.com>, 586@bugs.x2go.org
Content-Type: text/plain; charset=UTF-8
On Wed, Aug 19, 2015 at 9:03 PM, Marc V <therebel22@gmail.com> wrote:
> Hello,
>
> same problem here. Afters hours (3-4H, random) , session becomes slow, clic
> very long to respond. No network problem, no load or CPU high on server,
> everything is normal on server.
>
> I was unable to reproduce at any time. and i wad unable to guess what KDE4
> app is problem. Application that are used :  Dolphin, Open Office Calc,
> sometimes Firefox
>
> Closing session et restart it is OK.

Doe you mean suspending and reconnecting or a completely new session?

Uli


Information forwarded to x2go-dev@lists.x2go.org, X2Go Developers <x2go-dev@lists.x2go.org>:
Bug#586; Package x2goserver. (Thu, 20 Aug 2015 18:40:03 GMT) (full text, mbox, link).


Acknowledgement sent to Marc V <therebel22@gmail.com>:
Extra info received and forwarded to list. Copy sent to X2Go Developers <x2go-dev@lists.x2go.org>. (Thu, 20 Aug 2015 18:40:03 GMT) (full text, mbox, link).


Message #40 received at 586@bugs.x2go.org (full text, mbox, reply):

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Subject: Re: [X2Go-Dev] Bug#586: Bug#586: X2Go session sometimes slows to a crawl
From: Marc V <therebel22@gmail.com>
To: Ulrich Sibiller <uli42@gmx.de>
Cc: 586@bugs.x2go.org
Content-Type: multipart/alternative; boundary=001a1141f24e5ce1ac051dc27a1a
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2015-08-20 20:37 GMT+02:00 Ulrich Sibiller <uli42@gmx.de>:

> On Wed, Aug 19, 2015 at 9:03 PM, Marc V <therebel22@gmail.com> wrote:
> > Hello,
> >
> > same problem here. Afters hours (3-4H, random) , session becomes slow,
> clic
> > very long to respond. No network problem, no load or CPU high on server,
> > everything is normal on server.
> >
> > I was unable to reproduce at any time. and i wad unable to guess what
> KDE4
> > app is problem. Application that are used :  Dolphin, Open Office Calc,
> > sometimes Firefox
> >
> > Closing session et restart it is OK.
>
> Doe you mean suspending and reconnecting or a completely new session?
>
> Uli
>

It is suspending and reconnecting.
[Message part 2 (text/html, inline)]

Information forwarded to x2go-dev@lists.x2go.org, X2Go Developers <x2go-dev@lists.x2go.org>:
Bug#586; Package x2goserver. (Thu, 03 Sep 2015 14:00:01 GMT) (full text, mbox, link).


Acknowledgement sent to "James Kohout" <jameskohout@active-semi.com>:
Extra info received and forwarded to list. Copy sent to X2Go Developers <x2go-dev@lists.x2go.org>. (Thu, 03 Sep 2015 14:00:02 GMT) (full text, mbox, link).


Message #45 received at 586@bugs.x2go.org (full text, mbox, reply):

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From: "James Kohout" <jameskohout@active-semi.com>
To: <586@bugs.x2go.org>
Subject: X2Go session sometimes slows to a crawl
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Package: x2goserver

Version: 4.0.1.19-3.el6

 

Hello,

I see the same thing on the latest windows client.   After a while it slows
to a crawl for a few minutes, then gets better, then slows down again.  No
network issues,  no server congestion, etc.   I also have another session
(true No Machine client) to another local server, and it does not slow down
during this time, so I do not think it is a client issue.

 

 

Client OS: Windows 7

Client Version:  4.0.5.0 - (With ALL the font packages installed)

Connecting to GNOME Session

Server OS:  Linux 2.6.32-504.8.1.el6.x86_64  Oracle Linux Server release 6.6

nx-libs package version:  3.5.0.31-1.el6

 

 

 

 


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Information forwarded to x2go-dev@lists.x2go.org, X2Go Developers <x2go-dev@lists.x2go.org>:
Bug#586; Package x2goserver. (Thu, 19 Jan 2023 13:20:02 GMT) (full text, mbox, link).


Message #48 received at control@bugs.x2go.org (full text, mbox, reply):

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From: Juri Grabowski <x2go-dev@jugra.de>
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Subject: closing 586
Date: Mon, 15 Jan 2024 21:45:23 +0100
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close 586 
thanks


Notification sent to Stefan Radermacher <stefan@zaister.de>:
Bug acknowledged by developer. (Mon, 15 Jan 2024 20:50:04 GMT) (full text, mbox, link).


Bug archived. Request was from Juri Grabowski <x2go-dev@jugra.de> to control@bugs.x2go.org. (Mon, 15 Jan 2024 20:50:04 GMT) (full text, mbox, link).


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