Re: [VirtualGL-Users] Again: Keyboard problems with TurboVNC viewer version 1.0.80

[DRC <dco...@us...>]

Hi.  Not sure if you're still having this issue, but the latest 
pre-release build has an enhanced key grab/ungrab feature, and it should 
be straightforward now to implement an option for doing a particular 
sequence of mouse commands to ungrab the keyboard.  Open to suggestions 
as to what that magic sequence should be, if you still think it's 
worthwhile.


On 3/7/12 12:06 PM, Andreas Delleske wrote:
> Dear list, dear Darrell,
>
> You've helped us already out with a bugfix for version 1.0.80 a while ago.
>
> The graphics issues are all resolved since then, however:
>
> It seems that the problem with our keyboards reappeared - we think it
> might be since the last Ubuntu update some days or weeks ago.
>
> We've again installed an Ubuntu 10.04.4 LTS from scratch (32bit i686,
> kernel is now 2.6.32-39-generic) on a ZBOX HD-ID11 and then only
> installed turbovnc_1.0.80.i386.deb, build 20111130 with gdebi packet
> manager.
>
> The tvnc server resides on a RHEL 6.1 machine, version is v1.0.80 64-bit
> (build 20111130) and serves three instances of Xvnc for 3 different
> users on 3 terminals.
>
> The error is the same as the last time we've encountered this, when in
> fullscreen mode:
>
> Not reprodictibly, that is 4 or 6 time times over some hours, the
> keyboard looses its contact to the tvnc instance. All mouse data is
> transferred nicely but keyboard signals do not get through so we are not
> able to use F8 anymore and thus can not leave Turbovnc without crashing
> it nor can we type anything.
>
> We have a vanilla USB keyboard and are still able to toggle the shift
> LED on the keyboard, NumLock etc.. Mouse is USB as well. There is no
> PS/2 on our box.
>
> To corner the bug, we've even turned off all the screensavers and energy
> saving options (sleep modes..). The problem persists.
>
> Could you please tell us where to look and / or where we could turn on
> some logging? We think that Ubuntu might have grabbed the keyboard
> control and as the Ubuntu desktop is covered by the fullscreen tvnc
> window it is not able to communicate something.
>
> By the way: It would be perfect if you could supply one way to gain
> control back by using only the mouse: A certain combination of
> mouseclicks on the left upper corner maybe? We could then at least close
> tvncviewer, open again and continue working..
>
> Thanks in advance!
> Andreas
>
>
>
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