[Pkg-xfce-devel] Bug#528318: xfce4-terminal: terminal always segfaults when starting

[Ian MacKinnell]

Yves-Alexis Perez wrote:
> On mar, 2009-05-12 at 23:10 +1000, Ian MacKinnell wrote:
>   
>> Yves-Alexis Perez wrote:
>>     
>>> Can you provide a backtrace, with debugging symbols?
>>>       
>> Not without instructions. I can supply strace.
>>     
>
> Install libatk1.0-dbg libc6-dbg libdbus-glib-1-2-dbg libexo-0.3-0-dbg
> libglib2.0-0-dbg libgtk2.0-0-dbg libxfce4util4-dbg gdb
>
> Then run:
> gdb xfce4-terminal
>
> Then:
> run
>
> When it segfaults, run:
>
> set logging on xfce4-terminal.txt
> backtrace full
>
> And mail us the xfce4-terminal.txt.
>
>   
I tried this and only got the following short file:

#0  0x0805d5a6 in ?? ()
No symbol table info available.
#1  0xbfa77a28 in ?? ()
No symbol table info available.
#2  0x08063eb4 in ?? ()
No symbol table info available.
#3  0x00000000 in ?? ()
No symbol table info available.
The program is running.  Exit anyway? (y or n)

I added a couple of more -dbg packages and tried again, but got the same 
results. Here is the current output of "dpkg -l *dbg|grep ii" (list all 
installed debug packages):

ii  libatk1.0-dbg                        1.24.0-2                    The 
ATK libraries and debugging symbols
ii  libc6-dbg                            2.9-4                       GNU 
C Library: detached debugging symbols
ii  libdbus-glib-1-2-dbg                 0.80-4                      
simple interprocess messaging system (GLib l
ii  libexo-0.3-0-dbg                     0.3.101-1                   
debugging informations for libexo
ii  libglib2.0-0-dbg                     2.20.0-2                    The 
GLib libraries and debugging symbols
ii  libgtk2.0-0-dbg                      2.16.1-2                    The 
GTK+ libraries and debugging symbols
ii  libxfce4util4-dbg                    4.6.1-1                     
debugging informations for libxfce4util4
ii  libxfcegui4-4-dbg                    4.6.1-1                     
debugging informations for libxfcegui4
ii  libxfconf-0-2-dbg                    4.6.1-1                     
debugging informations for libxfconf

Anyway ... the next point got results.

>> However, to test a fresh home directory with no legacy configuration, I 
>> created a new user account and logged in as this user. I then tried 
>> xfce4-terminal and it worked OK. So it looks like my existing user 
>> configuration either conflicts with the new version of the terminal, or 
>> else got fried somehow when I updated to xfce 4.6.
>>     
>
> You may want to diff the config files (in .config). xfce4-terminal
> doesn't use xfconf so you can limit yourself
> to .config/Terminal/terminalrc.
>
> Cheers,
>   
I backed up and deleted the ~/.config/Terminal/terminalrc in my home 
directory and then xfce4-terminal worked with my login.

I experimented and found that the terminal crashed on start if (while 
the terminal was not running) I manually edited the terminalrc file so that

MiscAlwaysShowTabs=TRUE

instead of FALSE (the default setting). I always set this fag to TRUE - 
I have read on the Net somewhere (see below) that manually editing the 
file was the only way to change this setting. I don't like tab bars that 
appear and disappear whenever a second tab is opened or closed, so I set 
this flag to TRUE on all my desktops and laptops. The setting worked 
fine in previous versions of xfce4-terminal.

Here is the documentation: 
file:///usr/share/doc/xfce4-terminal/html/C/advanced.html#hidden-options

So it appears to be a much less serious bug: xfce-terminal no longer 
works with  MiscAlwaysShowTabs=TRUE



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