Re: [ROOT] Fedora Core3 -- problems with display

From: Tomasz Bold (bold@fatcat.ftj.agh.edu.pl)
Date: Thu Dec 16 2004 - 11:11:58 MET


Dear Valeriy!
    It wooorks.
    Thank you very much for the answer.
 Best regards,
    Tomasz Bold

Valeriy Onuchin wrote:

>Hi Tomasz ,
>please check http://root.cern.ch/phpBB2/viewtopic.php?t=1332
>MC wrote:
>
>someone else help me and finally it was possible to solve this problem.
>This is due to a different policy used by OpenSSH for Fedora Core 3. The problem was solved just by using
>
>      Code:
>      ssh -Y
>
>
>instead of
>
>      Code:
>       ssh -X
>
>
>for connecting to the other machine.
>>From the release notes of Fedora Core 3,
>
>      Quote:
>      The behavior of ssh clients that are invoked with the -X flag has changed. In OpenSSH 3.8 and later, X11 forwarding is
>performed in a way that applications run as untrusted clients by default. Previously, X11 forwarding was performed so that
>applications always ran as trusted clients. Some applications may not function properly when run as untrusted clients. To forward
>X11 so that applications are run as trusted clients, invoke ssh with the -Y flag instead of the -X flag, or set ForwardX11Trusted in
>the ~/.ssh/config file.
>
>
>
>Thanks to all the people that helped me in solving this issue.
>MC
>
>Regards. Valeriy
>
>  
>
>>Dear rooters,
>>I am getting this error trying to display ROOT graphics object started
>>from remote console (ssh).
>>I suspect the GNOME Window manager but WindowMaker behaves identically.
>>The suspection is moved to xorg stuff then.
>>
>>
>>The error messge is:
>>root [1] new TCanvas()
>>Error in <RootX11ErrorHandler>: BadAccess (attempt to access private
>>resource denied) (XID: 63, XREQ: 102)
>>
>>
>>Regards,
>>    Tomasz Bold
>>
>>
>>
>>The root version is:
>>  *******************************************
>>  *                                         *
>>  *        W E L C O M E  to  R O O T       *
>>  *                                         *
>>  *   Version   4.00/04     30 April 2004   *
>>  *                                         *
>>  *  You are welcome to visit our Web site  *
>>  *          http://root.cern.ch            *
>>  *                                         *
>>  *******************************************
>>
>>FreeType Engine v2.1.3 used to render TrueType fonts.
>>Compiled for linux with thread support.
>>
>>CINT/ROOT C/C++ Interpreter version 5.15.133, Apr 18 2004
>>Type ? for help. Commands must be C++ statements.
>>Enclose multiple statements between { }.
>>
>>
>>
>>    
>>
>
>  
>



This archive was generated by hypermail 2b29 : Sun Jan 02 2005 - 05:50:10 MET