[SunRay-Users] RHEL5 rdesktop issues

Paul Whitener pwhitener at earthlink.net
Tue Sep 27 16:43:32 EEST 2011


Thanks Peter!  I will check it out!

On Tue, Sep 27, 2011 at 8:31 AM, Peter Åstrand <astrand at cendio.se> wrote:

>
>  I have a RHEL5 server with 4GB ram running SRSS 5.1.  We have about 10
>> users across 15 DTUs.    We "were" using uttsc to connect to a remote
>> (states
>> away) Win2008R2 termserver that once logged in pushes a single app.  We
>> found that when a user pulled their card to move to another DTU, the
>> portmapper in RHEL5 changed the printer ports from the original session
>> used to new ports.  This caused printers not to redirect to the new session
>> correctly and caused all kind of print fun for the users!  If they did
>> redirect, the "printer number" changed and the this confused the users.
>>
>> So we moved to using RHEL5's rdesktop implementation.  It does not seem to
>> have issues with the mapper and the session and printers stay statefull.
>> Printers work great.  However, as DTU usage has increased with students in
>> full session, we are seeing lockups on the DTUs.  The lockups seem to be
>> random.  We can not pin it to any one operation done on the Win2008R2
>> server.  Interestingly enough, if the user goes to a laptop and pulls the
>> rdesktop session to  it, the session unfreezes and they can work.  They
>> then pull it back to the DTUs and continue.
>>
>
> Are you running rdesktop in full screen mode, or in a window? RHEL5
> ships with rdesktop 1.6.0, which does not work very well with 2008
> R2. I suggest that you try rdesktop 1.7.0 instead. If the problem
> persists, try a "strace" on the rdesktop process. That should give you
> a clue about what's going on.
>
> Best regards, ---
> Peter Åstrand           ThinLinc Chief Developer
> Cendio AB               http://www.cendio.com
> Wallenbergs gata 4
> 583 30 Linköping        Phone: +46-13-21 46 00
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