X2Go Bug report logs - #656
Fwd: Windows X2GoClient hangs when launching x2gostartagent

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Subject: Bug#656: [X2Go-Dev] Bug#656: Fwd: Windows X2GoClient hangs when launching x2gostartagent
Reply-To: Kyle Cottongim <cottonke@gmail.com>, 656@bugs.x2go.org
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From: Kyle Cottongim <cottonke@gmail.com>
Date: Wed, 29 Oct 2014 15:25:05 -0500
Message-ID: <CAPxkJXLviBDsVs05CoLu0McaHVNau1eZ7QDvW_3gwj7Y9N11dA@mail.gmail.com>
To: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
Cc: 656 <656@bugs.x2go.org>
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[Message part 1 (text/plain, inline)]

Mike,

On Wed, Oct 29, 2014 at 9:36 AM, Kyle Cottongim <cottonke@gmail.com> wrote:

> Mike,
>
> On Wed, Oct 29, 2014 at 9:17 AM, Mike Gabriel <
> mike.gabriel@das-netzwerkteam.de> wrote:
>
>> Hi Kyle,
>>
>>
>> On  Mi 29 Okt 2014 14:30:54 CET, Kyle Cottongim wrote:
>>
>>  Hello Mike,
>>>
>>> On Wed, Oct 29, 2014 at 4:39 AM, Mike Gabriel <
>>> mike.gabriel@das-netzwerkteam.de> wrote:
>>>
>>>  Hi Kyle,
>>>>
>>>> On  So 26 Okt 2014 00:04:16 CEST, Kyle Cottongim wrote:
>>>>
>>>>  Package: X2GoClient
>>>>
>>>>> Version: 4.0.3.0
>>>>>
>>>>> When launching a session from within the X2GoClient, the process will
>>>>> hang
>>>>> after the following call:
>>>>>
>>>>> x2go-DEBUG-onmainwindow.cpp:3900> Executing remote command:
>>>>> "x2gostartagent
>>>>> 1440x900 adsl 16m-jpeg-9 unix-kde-depth_32 us pc105/us 1 D GNOME both"
>>>>>
>>>>> This does not happen all the time, but generally happens after loss of
>>>>> network connection or after logging out instead of just closing the
>>>>> X2GoClient window. A complete restart of the client machine will solve
>>>>> the
>>>>> issue.
>>>>>
>>>>>
>>>> Could you cross-check the debug output of X2Go Server, possibly add some
>>>> more log message to /usr/bin/x2gostartagent, so that we can narrow down,
>>>> where the "hang" actually occurs?
>>>>
>>>> Does x2gostartagent get executed at all, or is X2Go Client aready
>>>> stalling
>>>> before executing that command.
>>>>
>>>> Or is x2gostartagent hanging somewhere on the way? (Extra log messages
>>>> placed in x2gostartagent will be helpful then).
>>>>
>>>> Regards,
>>>> Mike
>>>>
>>>
>>>
>>> ​During this launch attempt, it seems the client is getting a bit further
>>> along than before, but still not to the point of launching something​.
>>> Here
>>> is how far things are getting now:
>>>
>>> x2go-DEBUG-onmainwindow.cpp:2778> SSH connection established.
>>> x2go-DEBUG-onmainwindow.cpp:3038> Continue normal x2go session
>>> x2go-DEBUG-onmainwindow.cpp:3382> ""
>>> x2go-DEBUG-onmainwindow.cpp:3769> Fullscreen: false
>>> x2go-DEBUG-onmainwindow.cpp:9257> got localhost
>>> x2go-DEBUG-onmainwindow.cpp:9279> Port is free: 6000
>>> x2go-DEBUG-onmainwindow.cpp:9345> using internal X: true
>>> x2go-DEBUG-onmainwindow.cpp:9368> WxH:"1440"x"900"
>>> x2go-DEBUG-onmainwindow.cpp:9373> "-multiwindow -notrayicon -clipboard"
>>> x2go-DEBUG-onmainwindow.cpp:9410> Running "C:/Program Files
>>> (x86)/x2goclient\vcxsrv\vcxsrv.exe" "-multiwindow -notrayicon
>>> -clipboard :0"
>>> x2go-DEBUG-onmainwindow.cpp:3900> Executing remote command:
>>> "x2gostartagent
>>> 1440x900 adsl 16m-jpeg-9 unix-kde-depth_32 us pc105/us 1 D GNOME both"
>>> x2go-DEBUG-onmainwindow.cpp:9257> got localhost
>>> x2go-DEBUG-onmainwindow.cpp:9285> Port already used: 6000
>>> x2go-DEBUG-onmainwindow.cpp:9439> X is started.
>>> x2go-DEBUG-onmainwindow.cpp:9790> All winservers are started.
>>>
>>> With some debug within the x2gostartagent I can tell that it is executing
>>> this script and now seems to be getting past this point. I have turned
>>> the
>>> logging level of the server to debug and here is the output I am seeing
>>> during a connection attempt:
>>>
>>> Oct 29 08:02:33 oddjob /usr/bin/x2golistsessions[12799]:
>>> x2golistsessions
>>> has been called with no option
>>> Oct 29 08:02:34 oddjob /usr/bin/x2gostartagent: x2gostartagent called
>>> with
>>> options: 1440x900 adsl 16m-jpeg-9 unix-kde-depth_32 us pc105/us 1 D GNOME
>>> both
>>> Oct 29 08:02:34 oddjob /usr/bin/x2gostartagent: client announced itself
>>> as
>>> ,,131.199.103.76''
>>> Oct 29 08:02:34 oddjob /usr/bin/x2gosessionlimit[12835]:
>>> x2gosessionlimit
>>> has been called
>>> Oct 29 08:02:34 oddjob /usr/bin/x2golistsessions[12838]:
>>> x2golistsessions
>>> has been called with options: --all-servers
>>>
>>> I added some more debug messages to x2golistsessions and am seeing that
>>> this script seems to finish execution (I reach deubg statements just
>>> before
>>> closing syslog).
>>>
>>> Another note is that even after restart of the client and server PCs,
>>> this
>>> is not working. Also, If I keep my client open for a long time after it
>>> "hangs", it will sometimes eventually bring up the remote session. The
>>> time
>>> it takes for it to do this is on the order of magnitude of many hours.
>>>
>>> Thanks,
>>> Kyle
>>>
>>
>> Can you provide the output of
>>
>>   x2golistsessions --all-servers
>>
>> while X2Go Client is trying to launch the session?
>>
>> Make sure to obfuscate non-public data from listsession's output
>> (username, host IPs, etc.).
>>
>> Also, please tell me your X2Go Server version.
>>
>>   $ x2goversion
>>
>> Mike
>>
>>
> ​The output of "
> x2golistsessions --all-servers
> ​" is nothing ... there are no lines printed from this command.​
> ​
>
>
> ​The output of "x2goversion" is as follows:
> $ x2goversion
> x2goagent: 3.5.0.27
> x2goserver: 4.0.1.18
> x2goserver-extensions: 4.0.1.16
> x2goserver-xsession: 4.0.1.16
>
> Kyle​
>
>
​One more data point ...​ it seems that on PCs with a slightly older
version of the server are working w/o problem. Here is the version
information for a working PC:

$ x2goversion
x2goagent: 3.5.0.24
x2goserver: 4.0.1.15
x2goserver-extensions: 4.0.1.15
x2goserver-xsession: 4.0.1.15

Kyle

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