https://bugs.launchpad.net/ubuntu/+source/gnome-terminal/+bug/581937/comments/4
> Pedro Villavicencio 2010-05-19
> why not running it under xterm?.

No difference under xterm. What I did:

0 gnome-terminal debug symbols previously installed per

https://bugs.launchpad.net/ubuntu/+source/gnome-
terminal/+bug/581937/comments/3

  verified with

m...@local:~$ aptitude search '~i' | grep -ie 'debug\|symbol'
> i A erlang-runtime-tools            - Erlang/OTP runtime tracing/debugging 
> tools
> i   gdb                             - The GNU Debugger                        
>   
> i   gnome-terminal-dbgsym           - debug symbols for package 
> gnome-terminal  
> i   openoffice.org-style-human      - Human symbol style for OpenOffice.org   
>   
> i   python-gnomecanvas              - Python bindings for gnomecanvas (debug 
> ext
> i A tipa                            - system for processing phonetic symbols 
> in 
> i   ttf-opensymbol                  - OpenSymbol TrueType font                
>   
> i A xfonts-mathml                   - Type1 Symbol font for MathML            
>   

1 Restart local (i.e. my laptop running ubuntu karmic). Wait for Network
Manager to attach to my usual wireless network. Wait for startup
terminal to open. Restart emacs (in which I am logging progress).

2 Start an xterm

m...@local:~$ xterm &

  so I am now running the startup terminal, an xterm, and emacs.

2 In the xterm:

m...@local:~$ gdb gnome-terminal 2>&1 | tee ${HOME}/gdb-gnome-terminal.txt
> GNU gdb (GDB) 7.0-ubuntu
[...]
> This GDB was configured as "x86_64-linux-gnu".
[...]
> Reading symbols from /usr/bin/gnome-terminal...Reading symbols from 
> /usr/lib/debug/usr/bin/gnome-terminal...done.
> (no debugging symbols found)...done.
> (gdb) handle SIG33 pass nostop noprint
> Signal        Stop      Print   Pass to program Description
> SIG33         No        No      Yes                     Real-time event 33
> (gdb) set pagination 0
> (gdb) run
> Starting program: /usr/bin/gnome-terminal 
> [Thread debugging using libthread_db enabled]
>
> Program exited normally.
> (gdb) 

  Note new terminal starts.

3 In panel, click Network Manager>VPN Connections>[entry for my VPN],
and login to the VPN.

4 In the new terminal:

m...@local:~$ date ; ssh -Y m...@remote.unc.edu
> Mon May 31 13:16:41 EDT 2010
...
> m...@remote.unc.edu's password:

  Note successful login.

5 After ssh connection, click Network Manager>VPN Connections>Disconnect
VPN

6 Verify that new terminal is hung, e.g. does not respond to keyboard.
(Note however that the terminal menu continues to respond to mouse.)

7 In gdb xterm, hit C-c, but there is no response. I then attempt to do

(gdb) backtrace full
(gdb) info registers
(gdb) x/16i $pc
(gdb) thread apply all backtrace
(gdb) quit

  but the gdb xterm is also hung, i.e. no response to keyboard. (I can
however select text with the mouse, and copy it to emacs with C-S-c.)

-- 
failure of ssh-over-VPN connection hangs terminal
https://bugs.launchpad.net/bugs/581937
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