[X2Go-User] pyhoca 0.5.0.2 freeze in debian wheezy

Jan Kowalsky jankow at datenkollektiv.net
Tue Oct 28 21:34:10 CET 2014


Hi Mike,

thanks for your quick answer!

Am 28.10.2014 10:11, schrieb Mike Gabriel:
> Hi Jan,
> 
> On  Di 28 Okt 2014 09:41:06 CET, Jan Kowalsky 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.
>>
>> Same with the heuler-version.
>>
>> This is the output:
>>
>> pyhoca-gui -d --libdebug
>>
>> Xlib.protocol.request.QueryExtension
>> pyhoca-gui[19049] (PyHoca-GUI) DEBUG: PyHoca-GUI's user interface
>> language is: de_DE.
>> pyhoca-gui[19049] (x2goinifiles-pylib) INFO: proposed config files are
>> ['/home/user/.x2goclient/sessions']
>> pyhoca-gui[19049] (x2goinifiles-pylib) INFO: config files found:
>> ['/home/user/.x2goclient/sessions']
>> pyhoca-gui[19049] (x2goinifiles-pylib) INFO: proposed config files are
>> ['/home/user/.x2goclient/settings']
>> pyhoca-gui[19049] (x2goinifiles-pylib) INFO: config files found:
>> ['/home/user/.x2goclient/settings']
>> pyhoca-gui[19049] (x2goinifiles-pylib) INFO: proposed config files are
>> ['/home/user/.x2goclient/printing']
>> pyhoca-gui[19049] (x2goinifiles-pylib) INFO: config files found:
>> ['/home/user/.x2goclient/printing']
>> pyhoca-gui[19049] (PyHoca-GUI) INFO: PyHoca GUI is starting up
>> pyhoca-gui[19049] (PyHoca-GUI) INFO: start TaskBarIcon of type:
>> ('__WXGTK__', 'wxGTK', 'unicode', 'gtk2', 'wx-assertions-off',
>> 'SWIG-1.3.29')
>> pyhoca-gui[19049] (PyHoca-GUI) WARN: the current release of PyHoca-GUI
>> does not support client configuration
>> pyhoca-gui[19049] (x2goguardian-pylib) DEBUG: Entering X2Go Guardian
>> client management loop...
>>
>> pyhoca-gui[19049] (x2goguardian-pylib) DEBUG: Entering X2Go Guardian
>> client management loop...
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG: X2Go control session
>> parameters for profile server1:
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     username: user
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     key_filename:
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     unique_hostkey_aliases:
>> False
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     look_for_keys: True
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     allow_agent: True
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG: X2Go terminal session
>> parameters for profile server1:
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     client_encoding: UTF-8
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     set_session_title: False
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     snd_system: none
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     session_type: desktop
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     server_encoding: UTF-8
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     snd_port: 4713
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     rdp_server:
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     kbtype: auto
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     applications:
>> ['TERMINAL', 'WWWBROWSER', 'MAILCLIENT', 'OFFICE']
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     published_applications:
>> False
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     link: lan
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     xdmcp_server: localhost
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     kbvariant: null
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     geometry: maximize
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     rdp_options: -u
>> X2GO_USER -p X2GO_PASSWORD
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     cmd: XFCE
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     convert_encoding: False
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     clipboard: both
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     kblayout: null
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     session_title:
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     dpi: 96
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     pack: 16m-jpeg-9
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG: X2Go sshproxy parameters
>> for profile server1:
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     sshproxy_host:
>> proxyhost.mydomain
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     sshproxy_port: 22
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     sshproxy_look_for_keys:
>> True
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     sshproxy_allow_agent:
>> True
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     sshproxy_key_filename:
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG:     sshproxy_user:
>> pyhoca-gui[19049] (x2gosession-pylib) DEBUG: initializing
>> X2GoControlSession
>> pyhoca-gui[19049] (x2gosessregistry-pylib) NOTICE: registering X2Go
>> session server1...
>> pyhoca-gui[19049] (x2gosessregistry-pylib) DEBUG: registering X2Go
>> session with UUID 1966ec22-5e7d-11e4-9bd8-001e0b6404a3
>> pyhoca-gui[19049] (x2goclient-pylib) NOTICE: initializing X2Go session...
>> pyhoca-gui[19049] (x2gocontrolsession-pylib) NOTICE: connecting to
>> [server1.fritz.box]:22
>> pyhoca-gui[19049] (x2gocontrolsession-pylib) DEBUG: trying SSH key
>> discovery or agent authentication with server
>>
>> ~~~~~~~~~~~
>>
>> -> at this point pyhoca-gui seems to freeze - there is no output anymore
>> and the gui doesn't react anymore.
>>
>> Any idea or similar problems?
> 
> I have seen this once or twice, but it was not reproducible.

I encountered it on two separate machines - each with xfce-desktop and a
debian wheezy.

> What are your settings for SSH authentication in the session profile
> configuration? Can you make a screenshot?

tried all: with ssh-key, with or without agent forwarding, only password ...

> Is ssh-agent running and have you loaded your SSH private keys into

ssh-agent is running.

> ssh-agent? Or does pyhoca-gui try to detect some default private key
> file in ~/.ssh?

I tried both. With key-auth - but also with password-auth.

pyhoca-gui[12889] (x2gocontrolsession-pylib) NOTICE: connecting to
[server1.fritz.box]:22
pyhoca-gui[12889] (x2gocontrolsession-pylib) DEBUG: trying password
based SSH authentication with server

> What hostkey types are configured on the X2Go Server (check
> /etc/ssh/sshd_config, HostKey parameter).

# HostKeys for protocol version 2
HostKey /etc/ssh/ssh_host_rsa_key
HostKey /etc/ssh/ssh_host_dsa_key
HostKey /etc/ssh/ssh_host_ecdsa_key


:/etc/ssh$ ls -la
insgesamt 184
drwxr-xr-x   2 root root   4096 Sep 24 23:02 .
drwxr-xr-x 171 root root  12288 Okt 21 18:43 ..
-rw-r--r--   1 root root 136156 Aug 24  2012 moduli
-rw-r--r--   1 root root   1669 Aug 24  2012 ssh_config
-rw-r--r--   1 root root   2489 Mär 30  2014 sshd_config
-rw-------   1 root root    672 Jan 16  2013 ssh_host_dsa_key
-rw-r--r--   1 root root    600 Jan 16  2013 ssh_host_dsa_key.pub
-rw-------   1 root root    227 Jan 16  2013 ssh_host_ecdsa_key
-rw-r--r--   1 root root    172 Jan 16  2013 ssh_host_ecdsa_key.pub
-rw-------   1 root root   1675 Jan 16  2013 ssh_host_rsa_key
-rw-r--r--   1 root root    392 Jan 16  2013 ssh_host_rsa_key.pub

I can connect from the x2goclient from the same computer to the same
server and I can connect with an older version of pyhoca-gui on another
computer to the server.

thanks for further ideas ...

Jan
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