X2Go Bug report logs - #658
session connect with Python X2Go freezes if gevent 0.13.6 is used

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

Reported by: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

Date: Thu, 30 Oct 2014 14:45:02 UTC

Severity: normal

Done: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

Bug is archived. No further changes may be made.

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Subject: Bug#658: session connect with Python X2Go freezes if gevent 0.13.6 is used
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Date: Thu, 30 Oct 2014 14:41:58 +0000
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From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
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Package: python-x2go
Sevrity: important

Hi Pavel, Jan,

TL;DR; for the bug tracker... Python X2Go 0.5.0.x freezes during  
X2GoControlSession.connect() when used with gevent 0.13.6. With Python  
0.4.0.x no such freeze could be observed.

On  Mi 29 Okt 2014 10:24:53 CET, Mike Gabriel wrote:

> Hi Pavel, hi Jan,
>
> On  Di 28 Okt 2014 16:00:34 CET, Mike Gabriel wrote:
>
>> Hi,
>>
>> On  Di 28 Okt 2014 15:28:53 CET, hanak wrote:
>>
>>>> Hi all,
>>>>
>>>> I have a problem with an newly installed pyhoca-gui
>>>>
>>>> while I can connect from an debian-wheezy with pyhoca-gui 0.4.0.9
>>>> without problems, an newly installed pyhoca-gui at another computer with
>>>> version 0.5.0.2 pyhoca-gui freezes at the moment when it tries to
>>>> establish the ssh connection.
>>>
>>> I confirm exactly the same behavior on debian-wheezy when running
>>> pyhoca-cli.
>>>
>>> While on pyhoca-cli 0.4.0.2-1 (pyhoca-x2go 0.4.0.9-1) everything works
>>> without problems, on pyhoca-cli 0.5.0.1-1 (python-x2go 0.5.0.1-1)
>>> connection freezes with exactly the same debug...
>>>
>>> Best regards
>>>
>>> Pavel
>>
>> can anyone of you send me an obfuscated ~/.x2goclient/sessions file?
>>
>> Plus: what openSSH server version is installed on the X2Go Server?
>>
>> Mike
>
> I am so sorry, guys, but I cannot reproduce the issue here. As I  
> said earlier. I observed those hangs once or twice, but wasn't able  
> to reproduce them.
>
> I tested pyhoca-gui on jessie and on wheezy (+ some backports) and  
> things worked out fine.
>
> I connected to servers of several Debian and Ubuntu versions.
>
> A bit clueless, sorry...
>
> Mike

I have a system that exhibits the same behaviour, as described by you!  
A Ubuntu precise system with python-gevent (I obviously did not  
provide a newer gevent version for precise in our X2Go PPA on  
Launchpad).

I will join in to get this narrowed down.

Mike

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