perl-tk no longer working

[Heinrich Rebehn]

Heinrich Rebehn wrote:
> Heinrich Rebehn wrote:
> 
>> Bill Campbell wrote:
>>
>>> On Mon, Jun 21, 2004, Heinrich Rebehn wrote:
>>>
>>>> Hi list,
>>>>
>>>> I rolled my own perl-tk script for adding/removing users on our 
>>>> cluster and it has been running fine for some years now.
>>>> But when i wanted to use it today, it died with:
>>>
>>>
>>>
>>>
>>> My SWAG is that you've updated perl recently, but not updated the 
>>> perl::Tk
>>> modules.  Running two versions of perl on the same machine is 
>>> possible (we
>>> do it under the OpenPKG.org packagement system all the time), but can
>>> easily lead to problems like this.
>>>
>>>
>>>> root at antsrv1 [~] # usrmgr/usrmgr.pl
>>>> [the usual messages about unused variables]
>>>> X Error of failed request:  BadAtom (invalid Atom parameter)
>>>> Major opcode of failed request:  18 (X_ChangeProperty)
>>>> Atom id in failed request:  0x1a6
>>>> Serial number of failed request:  12
>>>> Current serial number in output stream:  15
>>>>
>>>> I have no clue what this could be. Other X11 apps run fine. I am 
>>>> logged in via ssh -X.
>>>> Versions:
>>>> FreeBSD 5.2.1-RELEASE-p8
>>>> p5-Tk-804.027
>>>> perl-5.6.1_15       Practical Extraction and Report Language
>>>> perl-5.8.4          Practical Extraction and Report Language
>>>>
>>>> 2 versions of perl? Is this ok?
>>>>
>>>> Does anyone have an idea?
>>>>
>>>> Regards,
>>>>     Heinrich
>>
>>
>>
>> Problem solved: It was not the perl upgrade, it is the X server which 
>> is to blame. I recently upgraded the Linux installation on my 
>> workstation and there seems to be a problem with xfree there. I did 
>> not get suspicious until i tried running the script under Linux and 
>> got exactly the same error message. Moving to another workstation with 
>> a different version of xfree solved the problem.
>>
> Just for the records: There seems to be a problem with SSH's X11 
> redirection. If i use the (not recommended)
> 
> linuxhost $ xhost +freebsdhost
> ssh root at freebsdhost
> freebsdhost # export DISPLAY=linuxhost:0
> freebsdhost # usrmgr/usrmgr.pl
> 
> to have my perlTk script displaying on my Linux workstation, it works. 
> If i login with
> 
> linuxhost $ ssh -X root at freebsdhost
> freebsdhost # usrmgr/usrmgr.pl
> 
> i get the above error.
> This is of course a problem with Linux's ssh client - i am posting this 
> only in case someone else encounters this problem.
> 
> --Heinrich

This will hopefully be the last update: use the -Y flag for newer ssh 
versions, and the problems are solved.

--Heinrich