Constantin Kaplinsky | 3 Jul 05:08 2007

Re: Non standard ports leads to grey screen

Hello Gareth,

>>>>> Gareth Peters wrote:

> Can anybody confirm that it works on their PC if they specify non
> standard ports as below? I'm just trying to narrow down if it's my
> setup or a general tightvnc problem.

I've just verified that it works on my Fedora 5. I used exactly the same
command:

   vncserver -rfbport 1026 -httpport 8080 :1

It opened Gnome session. The only issue was a warning window with
something like "ESC is already running". I guess ESC is something that
does not like running in multiple instances.

Is that possible that there are some problems with the ~/.vnc/xstartup
file?

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Constantin

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Constantin Kaplinsky | 3 Jul 05:13 2007

Re: very slow when showing wintv

Hello Mike,

>>>>> mike <at> computermike.biz wrote:

> I have just installed TightVNC. Both server and client are XP
> professional, the server has a TV as its only display and no mouse or
> keyboard; the client is a laptop. Everything works fine, including
> running VLC for example, except when I run up the WinTV (Hauppage)
> application. Then everything slows down to a complete crawl; it can
> take literally 5 minutes for a mouse movement to show up, leaving no
> alternative but to shut the application down again (waiting until it
> takes effect) then it all gets restored to a proper speed again. I
> can also connect using Windows remote desktop and the problem does
> not occur, so WinTV is actually running OK and it is a VNC problem.
> Of course running through Remote Desktop blanks out the TV display so
> loses the whole point!
> 
> Has anybody got any ideas as to why this one program should interact
> so badly with VNC?

Perhaps it uses some hardware acceleration methods that slow down access
to pixels on the screen. I think playing with hardware video
acceleration level may affect the performance. By the way, do you use
TightVNC with the mirror driver?

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Constantin

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Constantin Kaplinsky | 3 Jul 05:34 2007

Re: Compilation error

Hello Philippe,

>>>>> Philippe Frangioni wrote:

> I'm new to vnc stuff. I'm trying to compile tight vnc but I get some errors:
> 
> [...]
> In file included from argsresources.c:25:
> vncviewer.h:33:28: error: X11/IntrinsicP.h: No such file or directory
> vncviewer.h:34:28: error: X11/StringDefs.h: No such file or directory
> vncviewer.h:35:23: error: X11/Shell.h: No such file or directory
> vncviewer.h:36:21: error: X11/Xmd.h: No such file or directory
> vncviewer.h:37:24: error: X11/keysym.h: No such file or directory
> vncviewer.h:38:23: error: X11/Xatom.h: No such file or directory
> vncviewer.h:39:28: error: X11/Xmu/StdSel.h: No such file or directory

Could it be possible that you do not have X11 development packages
installed? E.g. on Fedora Core 6, these are the packages libX11-devel,
libXt-devel, xorg-x11-ports-devel etc.

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Constantin Kaplinsky | 3 Jul 05:37 2007

Re: Non standard ports leads to grey screen

>>>>> Constantin Kaplinsky wrote:

> I've just verified that it works on my Fedora 5.

Oops, there is a typo. It was Fedora Core 6.

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Constantin Kaplinsky | 3 Jul 07:32 2007

Re: File Transfer Seems Unavailable

Hello,

>>>>> Connie wrote:

> The "File Transfers" icon at the top of the Viewer in Machine B is
> grayed out.

Normally, it is grayed out when file transfers are not supported or
disabled on the server side. Also, view-only mode disables file transfers.

> Can I do file transfers from A to B using the browser/Java applet on
> B? How?

No, TightVNC viewer does not support file transfers yet.

> The Clipboard also seems to be non-functional from A to B in either
> client. Is this normal?

No, that's not normal. Clipboard transfers should work if not explicitly
disabled in the viewer, and if not in the view-only mode (e.g. when
using view-only password).

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Constantin Kaplinsky | 3 Jul 08:21 2007

Re: Tight VNC Viewer - Error creating local image of screen.

Hello,

>>>>> Wade Dugas wrote:

> I recently installed Tight VNC 1.3.9 on Suse SLES 9. I am able to
> connect to the server with Real VNC Viewer E4.2.7, but am unable to
> do so with Tight VNC Viewer 1.3.9. I get a black screen and an error
> Window - "Error creating local image of screen."

This is an error the Windows viewer shows when CreateCompatibleBitmap()
function fails for some reasons. I guess the reason may be some
non-standard screen mode or buggy video driver.

Does changing display resolution or color depth take any effect?

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Constantin Kaplinsky | 3 Jul 08:32 2007

Re: VNC through WPA Encryption?

Hello,

>>>>> R wrote:

> The common issue with your problem and mine is encryption, since the
> connection is encrypted in both cases, although mine is in an SSH
> tunnel, yours via WPA.
> 
> TightVNC isn't using some OOB data is it which is causing the
> encryption a problem?

TightVNC does not use any OOB data, and it should work fine over SSH.
I use it that way with no problems.

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Constantin Kaplinsky | 3 Jul 08:45 2007

Re: problem with authentication

Hello Charles,

>>>>> Charles Li wrote:

> I am not able to connect with vnc client.  I am getting
> authentication failure on the server side.  I am very sure that I put
> in the correct password.  I even change it with a new password and
> try, but still no luck. All I see on the server log file is just
> "authentication failure".  How should I debug this?

There are two password types in TightVNC: user-specific and
system-wide (default). User-specific settings are kept under the
HKEY_CURRENT_USER in the registry, while the default settings are
under HKEY_LOCAL_MACHINE. Is that possible that you set the user
password when the default password should be used (it's used in the
service mode, when nobody's logged in)?

To change the default password, choose TightVNC -> Administration ->
Show Default Settings, from the Start -> Programs menu.

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Wade Dugas | 3 Jul 09:27 2007

Re: Tight VNC Viewer - Error creating local image of screen.

Hi Constantin,

Thanks for your help.

I have an ATI MOBILITY FireGL V5200 graphics card running Driver Packaging Version 8.353.1.1-070508a-047760C-ATI . This is the latest driver.

On occasion the TightVNC viewer does work, but I can close it and then re-open it without changing any settings and I get the black screen. I changed the color depth from 32 bit to 16 bit and now it seems to work consistently.

This still leaves a couple of questions. Why does the RealVNC viewer always work and in either color depth? Why did the TightVNC viewer work on rare occasions with 32 bit color depth?

Thanks,
Wade

On 7/3/07, Constantin Kaplinsky <const <at> tightvnc.com> wrote:
Hello,

>>>>> Wade Dugas wrote:

> I recently installed Tight VNC 1.3.9 on Suse SLES 9. I am able to
> connect to the server with Real VNC Viewer E4.2.7, but am unable to
> do so with Tight VNC Viewer 1.3.9. I get a black screen and an error
> Window - "Error creating local image of screen."

This is an error the Windows viewer shows when CreateCompatibleBitmap()
function fails for some reasons. I guess the reason may be some
non-standard screen mode or buggy video driver.

Does changing display resolution or color depth take any effect?

--
With Best Wishes,
Constantin


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James Weatherall | 3 Jul 11:16 2007

RE: Tight VNC Viewer - Error creating local image of screen.

Wade,

> This still leaves a couple of questions. Why does the RealVNC 
> viewer always work and in either color depth?

The difference in behaviour between the two makes sense - the TightVNC
viewer is based on our VNC 3 series codebase, which used different screen
capture & rendering mechanisms to the standard VNC 4 series viewer.

Cheers,

Wez  <at>  RealVNC Ltd

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Gmane