[X2go-dev] X2Go client occasionally loses mouse cursor

Paul van der Vlis paul at vandervlis.nl
Mon Sep 13 14:07:39 CEST 2010


John A. Sullivan III schreef:
> On Mon, 2010-08-30 at 21:52 -0400, John A. Sullivan III wrote:
>> On Fri, 2010-08-27 at 13:35 -0400, John A. Sullivan III wrote:
>>> On Wed, 2010-08-25 at 16:38 -0400, John A. Sullivan III wrote:
>>>> Hello, all.  We've seen this bug rarely but enough to know that it is a
>>>> real bug and not just a coincidence. Here is the report from our
>>>> internal trouble ticket.  Unfortunately, it smells like it might be
>>>> something in the NX libraries:
>>>>
>>>> The user called because she could not see her mouse cursor in her
>>>> virtual desktop.  It was visible in her physical desktop. As we later
>>>> observed, it was indeed present in the virtual desktop, e.g., if she
>>>> happened to stop the mouse over a file in Konqueror, it would display
>>>> the thumbnail, but the mouse cursor was not visible.
>>>>
>>>> We tried suspending and reconnecting; that did not work.  I could see
>>>> where the mouse was supposed to be via my VNC session to her physical
>>>> desktop so I tried to change the mouse cursor theme but that did not
>>>> work (and required a restart of KDE).
>>>>
>>>> Finally, before rebooting to try to re-establish the connection between
>>>> her physical and virtual desktops to display the mouse cursor, we
>>>> thought to suspend her X2Go session and then completely close her X2Go
>>>> client.  When she restarted the client and reconnected to her X2Go
>>>> session, the mouse had re-appeared.  We did not need to reboot the
>>>> physical computer.
>>> <snip>
>>> We saw this again today for the same user.  Has anyone else experienced
>>> this? Thanks - John
>> <snip>
>> We now have another user who experienced this twice today.  I'm willing
>> to put in the time to troubleshoot this but I'm not sure where to begin.
>> Any ideas? Thanks - John
> <snip>
> This is now happening many times a day and is causing quite an upset.  I
> scoured the Internet for ideas and there seems to be lots of reports
> about this on Debian and Ubuntu but no clear identification of the
> problem or clear fixes.
> 
> I posted to the Debian mailing list assuming it is a Debian problem.
> They recommended editing xorg.conf to add Option "SWCursor" "yes" to the
> video driver.  That didn't help.  Using Ctl-Alt-D as someone else
> suggested to recover the mouse did not help.  I'm not sure if NX and
> X2Go are complicating the issue.  Has anyone else seen this? Has anyone
> solved it? It is making the system approach unusable.  Thanks - John

I don't know the problem, but did you search the knowledgebase of
Nomachine?  http://www.nomachine.com/kb/
There is much in it about mouses and cursors.

With regards,
Paul van der Vlis.




-- 
http://www.vandervlis.nl/




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