[kde-freebsd] KMail crashes

[Michael Nottebrock]

On Friday, 27. April 2007, David Southwell wrote:

> I am sorry to say that it does not entirely work. The crashes are much more
> infrequent -- gone for over 24 hours without a crash of kmail - that
> compares with crashes every 3 or 4 hours previously. Also it did not
> totally freeze the whole screen or require a ctrl>alt>backspace to get out
> of the problem but I did have to log out of the kde session.
>
> Is there anything I can do to help trace the cause.

Recompile the kdepim3 port like this:

cd /usr/ports/deskutils/kdepim3
make -DWANT_KDE_DEBUG
make deinstall install

Make sure your terminal history buffer is sufficiently big. If you're using 
konsole, I recommend you select "Clear History" from the Edit menu, 
then "History..." from the Settings menu and click "Set Unlimited" and Ok at 
this point. Then start kmail (or kontact) in the debugger:

gdb kmail

Eventually the gdb prompt will appear. Type the following then:
set args --nofork

Then type:
run

Now kmail should start as usual. Use it until a crash/hang of kmail occurs. Do 
not log out of KDE and get the shell window in which you started the debugger 
with kmail running in it and check if the gdb prompt is visible - if it 
isn't, hit CTRL-C, which should bring it up. Once you get the prompt, type:

info threads

You will get some output like this:

  6 Thread 5 (sleeping)  0x29f7c233 in foobar () from /usr/lib/libfoo.so.1
  5 Thread 4 (sleeping)  0x29f7c233 in foobar () from /usr/lib/libfoo.so.1
  4 Thread 3 (sleeping)  0x29f7c233 in foobar () from /usr/lib/libfoo.so.1
  3 Thread 2 (sleeping)  0x29f7c233 in foobar () from /usr/lib/libfoo.so.1
  2 Thread 1 (sleeping)  0x29f7c233 in foobar () from /usr/lib/libfoo.so.1

Now select a thread:

thread 6

And get a stack trace of it:

bt

Do this for each thread in the list. Then save the complete terminal buffer 
(in Konsole, use "Save History As" in the Edit menu) to a file and send the 
output here (or open a bug report on bugs.kde.org with that file attached and 
report the number it gets assigned here on the list).


Good luck,
-- 
   ,_,   | Michael Nottebrock               | lofi at freebsd.org
 (/^ ^\) | FreeBSD - The Power to Serve     | http://www.freebsd.org
   \u/   | K Desktop Environment on FreeBSD | http://freebsd.kde.org
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