Main list for questions, suggestions, bug reports etc about Tight VNC

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Vamsi Krishna | 2 Nov 2004 13:04

Tightvnc 1.2.9 is giving problems on my Itanium!!!

Hi,

I run into some kind of weird problems when trying to use

vnc_unixsrc (1.2.9) on Itanimum machine(64 bit).

I checked out the sources from TightVNC cvs server with the tag VERSION_1_2_9.

(I am not too sure if this is the right tag to use, because i also see VERSION_1_2_9pre1.

Please direct me to the correct tag !!!)

I followed the README and was able to compile Xvnc.

localhost # Xvnc :1

Step 1: mesages on the console when i run the server,

***************************

03/11/04 00:32:11 Xvnc version 3.3.tight1.2.9
03/11/04 00:32:11 Copyright (C) 1999 AT&T Laboratories Cambridge.
03/11/04 00:32:11 Copyright (C) 2000-2002 Constantin Kaplinsky.
03/11/04 00:32:11 All Rights Reserved.
03/11/04 00:32:11 See http://www.uk.research.att.com/vnc for information on VNC
03/11/04 00:32:11 See http://www.tightvnc.com for TightVNC-specific information
03/11/04 00:32:11 Desktop name 'x11' (blr-dt-r24d:1)
03/11/04 00:32:11 Protocol version supported 3.3
03/11/04 00:32:11 Listening for VNC connections on TCP port 5901
Font directory '/usr/X11R6/lib/X11/fonts/100dpi/' not found - ignoring
Xvnc(15679): unaligned access to 0x600000000019cd7c, ip=0x400000000022bcb0
Xvnc(15679): unaligned access to 0x600000000019cd84, ip=0x400000000022bcb0
Xvnc(15679): unaligned access to 0x600000000019cd8c, ip=0x400000000022bcb0
Xvnc(15679): unaligned access to 0x600000000019cd94, ip=0x400000000022bcb0

***************************

Step 2: When i connect from some viewer,

****************************

03/11/04 00:34:16 Got connection from client 192.168.145.12
03/11/04 00:34:16 Protocol version 3.3
03/11/04 00:34:16 Pixel format for client 192.168.145.12
03/11/04 00:34:16   8 bpp, depth 8
03/11/04 00:34:16   true colour: max r 7 g 7 b 3, shift r 0 g 3 b 6
03/11/04 00:34:16   no translation needed
03/11/04 00:34:16 rfbProcessClientNormalMessage: ignoring unknown encoding 784
03/11/04 00:34:16 rfbProcessClientNormalMessage: ignoring unknown encoding 268435461
03/11/04 00:34:16 rfbProcessClientNormalMessage: ignoring unknown encoding 83886852
03/11/04 00:34:16 rfbProcessClientNormalMessage: ignoring unknown encoding 67108866
03/11/04 00:34:16 rfbProcessClientNormalMessage: ignoring unknown encoding 33555201
03/11/04 00:34:16 rfbProcessClientNormalMessage: ignoring unknown encoding 16777216

****************************
Segmentation fault

Some other times, it gives segmentation faults as soon as I start Xvnc.

Can somebody in the list help me fix this issue.

Let me know if some more information would be helpful.

This is the gdb output:

Program received signal SIGSEGV, Segmentation fault.
0x2000000000265e00 in _int_malloc () from /lib/tls/libc.so.6.1
(gdb) where
#0 0x2000000000265e00 in _int_malloc () from /lib/tls/libc.so.6.1
#1 0x2000000000268f40 in malloc () from /lib/tls/libc.so.6.1
#2 0x40000000000a11f0 in Xalloc ()
#3 0x40000000002864f0 in miCreateGCOps ()
#4 0x40000000001845d0 in cfbValidateGC ()
#5 0x4000000000279150 in miBSCheapValidateGC ()
#6 0x400000000013afb0 in rfbValidateGC ()
#7 0x4000000000149130 in rfbSpriteValidateGC ()
#8 0x4000000000078690 in ValidateGC ()
#9 0x4000000000146600 in rfbDCSaveUnderCursor ()
#10 0x4000000000151200 in rfbSpriteRestoreCursor ()
#11 0x4000000000154890 in rfbSendFramebufferUpdate ()
#12 0x40000000001540a0 in rfbProcessClientNormalMessage ()
#13 0x4000000000152290 in rfbProcessClientMessage ()
#14 0x40000000001369c0 in rfbCheckFds ()
#15 0x4000000000134e40 in ProcessInputEvents ()
#16 0x40000000000542b0 in Dispatch ()
#17 0x4000000000027eb0 in main ()

thanks

kvs

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Richard Coates | 2 Nov 2004 16:30

TightVNC, FreeS/WAN and T1 WAN Card create network problems

Hi,

I have an interesting situation that I would like to share. This is my 
setup:

Local Location:
Linux FreeS/WAN 2.05 running on RH7.3 with kernel 
2.4.20-29.7.progeny.8.i686. It is connected via a CISCO 2650 running BGP 
to 2 T1's.

Remote Location:
FreeS/WAN U2.04/K2.06 running on Debian 3.0 with kernel 2.4.18-1-686. I 
have an imagestream  PCI 520 T1 card (Serial0).

     Local W2K Machine
          _______
         |  LAN  |
          ¯¯¯¯¯¯¯
     RH7.3 Firewall (Connected via CISCO 2650 to T1's)
             |
             |         F  V
             |         R  P
             V         E  N
         ________      E
        |INTERNET|     S  T
         ¯¯¯¯¯¯¯¯      /  U
             |         W  N
             |         A  N
             |         N  E
             V            L
     Debian r3.0 Firewall (Connected via PCI 520 WAN Card to T1)
          _______        
         |  LAN  |
          ¯¯¯¯¯¯¯
     Remote W2K Machine

The tunnel works fine, but whenever I try to connect to a Windows 2k 
machine running TightVNC server (either version 1.2.6, version 1.2.9 or 
version 1.3dev5) using the TightVNC client or a web browser from a 
Windows 2k machine we start to get the following errors:

kern.log
Oct 25 10:54:06 nycfire kernel: NET: 12 messages suppressed.
Oct 25 10:54:06 nycfire kernel: klips_error:ipsec_xmit_send: ip_send() 
failed,err=-1

messages.log
Oct 25 10:54:06 nycfire kernel: NET: 12 messages suppressed.

auth.log
Oct 25 10:54:08 nycfire pluto[338]: ERROR: "hob-nyc" #4: sendto on 
Serial0 to SO.ME.IP.HERE:500 failed in main_outI1. Errno 105: No buffer 
space available

Eventually the remote Debian machines networking (both Serial0 and eth0) 
stop responding, and the machine needs to be restarted.

We have tried to replicate this problem, you are able to use ftp and 
http, ssh as well as telnet across the tunnel without any problems.

If you connect to a remote Windows 2K machine running RealVNC server, 
version 4.0 then you do not get the same symptoms. So the issue seams to 
be related to the VNC protocol.

Any insight in to this problem would be greatly appreciated.
-- 

Regards,

Richard Coates
Shipco Transport Inc. - Information Technology
Direct Phone: +1 201 459 4423
Direct Fax: +1 201 798 4831
E-Mail Address: rcoates <at> shipco.com

For access to STi-online which offers on-line schedules, bookings, 
documentation, shipment tracking and other e-commerce tools, please 
visit our website, www.shipco.com

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Senniappan,Jambulingam [DBA] | 1 Nov 2004 05:20

RE: Kill all clients from Command line

I assume that this will stop the Winvnc service. I don't want to stop the
service. I wan't to kill the currently connected clients. But, I want to
allow new client connections to be made after this. Moreover, I do not have
admin rights on the machine.

-----Original Message-----
From: Todd Snyder [mailto:canadaboy <at> gmail.com] 
Sent: Monday, November 01, 2004 2:10 AM
To: Senniappan,Jambulingam [DBA]
Subject: Re: Kill all clients from Command line

you could do a 'net stop winvnc' if you are the admin on the machine ...

On Sun, 31 Oct 2004 19:33:49 +0530, Senniappan,Jambulingam [DBA]
<jambulingam.s <at> dba-corp.com> wrote:
> 
> 
> 
> Is it possible to kill all clients of a VNC server from Command line? Say,
I
> want to execute a command
> 
>  
> 
> Winvnc.exe -killallclients
> 
>  
> 
> Is this possible? If yes, what is the syntax?
> 
>  
> 
>  
> 
>

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NSIcom Help Desk | 3 Nov 2004 13:45

TightVNC on CrEme VM

Dear TightVNC Developers,

I tried running your TightVNC applet on the CrEme VM (Java for Windows CE; www.nsicom.com),

and it worked very well but for one little problem: the VncCanvas object tends to lose

focus with CrEme. After changing the applet in two places, it worked fine:

1. In VncCanvas.java we added a requestFocus to the body of the mousePressed method:

    public void mousePressed(MouseEvent mouseevent)
    {
        processLocalMouseEvent(mouseevent, false);
       viewer.requestFocus();
    }

2. We added a focus listener to the class VncViewer.java (in method init()), like this:

this.addFocusListener(new java.awt.event.FocusListener()
  {
   public void focusGained(java.awt.event.FocusEvent e)
   {
    if (vc!=null) vc.requestFocus();
   }

   public void focusLost(java.awt.event.FocusEvent e)
   {
   }
  });

I enclose the changed source files (obtained through decompilation of the applet's jar file).
Look for "CrEme".

I suggest you make these changes to your sources. They are harmless for

JDK, and help many users of CrEme. In future releases of CrEme we will make sure

we will support your application by adding it to our test suite.

Regards,

Rene Leermakers

NSIcom Help Desk

Attachment (VncViewer.java): application/octet-stream, 19 KiB

Attachment (VncCanvas.java): application/octet-stream, 37 KiB

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.rp | 3 Nov 2004 20:34

Re: viewer problem

On 30 Oct 2004 at 14:48, Tjika Tjika wrote:

> When i try too connect to my host using the viewer i get the failed to
> connect message.
> I am able to connect using a browser. 
> The computer i try to connect from does not have a static ip.
> I have opened the ports used in my firewall and i dont have a router.
> How can i use the viewer?
> 
> 

Which application on the host are you able to connect with a brower?

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.rp | 3 Nov 2004 20:34

Re: no remote mouse control

On 31 Oct 2004 at 16:31, Bob B wrote:

> 
> I installed the latest stable Tight VNC on two machines. No problems. I start up the server on one 
> machine, make sure it is *not* in view only mode and set a password. I start up the client on the 
> other machine in Fast compression mode and connect. I see the other machine's desktop, but 
> alas - I can't do anything! I can move the arrow cursor around, but can't select anything or make it 
> do anything. Again - the server is *not* in view mode. Any suggestions?

have you tried the other compression modes yet?

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jeffbublitz | 4 Nov 2004 01:02

Jeff Bublitz is out of the office.

I will be out of the office starting  11/03/2004 and will not return until
11/04/2004.

I will respond to your message when I return.

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sean_hart | 4 Nov 2004 03:57

Sean Hart/IT/ADSW/A-D is out of the office.

I will be out of the office starting  03/11/2004 and will not return until
06/11/2004.

I am on training during these dates and will have limited ability to
respond to email.  I will reply as soon as possible.

Thanks,

Sean

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Nicholas Basso | 4 Nov 2004 15:10

Re: tunneling problem with SSHTerm

Please note that if any of us have worked on SSHTerm you may get an (unauthoritative) response. Otherwise you're likely far better off contacting the developers or technical support for whatever company makes and supports SSHTerm Professional. We are not able as a community to provide support for every external application.

----- Original Message -----

From: shoan ang

To: vnc-tight-list <at> lists.sourceforge.net

Sent: Sunday, October 31, 2004 04:10

Subject: tunneling problem with SSHTerm

HELP Needed !!

I installed SSHTerm and TightVNC and also IPUpdater. IPUpdater works and VNC works as well. The point now is i can't get it to work for tunneling. I confused about the setting on SSHTerm Professional. How can i use it to set up so that i could access my computer from office thro website? I use port of display number 7. How do i really set it up with SSHTerm and TightVNC ?? I already have a host at iwas2.net and i was stuck here. Please help me !

Thanks a lot !

From Shoan

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brian_mense | 4 Nov 2004 18:10

Address Book


Hello List.

I have the following  question.

I currently use Unicenter Remote Control, this software has an address book
that shows a current list of system with the Remote Control Software
running.

Is there an options like this or how do you combat the issue of remembering
all your workstation name or IP address.

Thanks

Brian Mense
Nascote Industries

CONFIDENTIALITY NOTE:  This message may contain information that is
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recipient, please delete this message without retaining, distributing or
copying all or any portion of its contents and notify us immediately of
your receipt by return message to the sender or by calling our office at
(905) 669-2888.  Thank you in advance for your assistance.

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