Comment 3 for bug 123281

Open Synaptic from the applications list, and enter you're password.
Then, press settings > Repositories, click new.
Type in the first line this: http://people.ubuntu.com/~pitti/ddebs
In the second line, type: gutsy
In the third line, type: main universe

Then click again new.
Type in the first line this: http://people.ubuntu.com/~pitti/ddebs
In the second line, type: gutsy-updates
In the third line, type: main universe

Then click again new.
Type in the first line this: http://people.ubuntu.com/~pitti/ddebs
In the second line, type: gutsy-proposed
In the third line, type: main universe

Then click again new.
Type in the first line this: http://people.ubuntu.com/~pitti/ddebs
In the second line, type: gutsy-security
In the third line, type: main universe

Then, click ok.
Open a terminal, and type: sudo apt-get update
Press enter Then type: sudo apt-get install yelp-dbgsym gdb
And press enter.
When the install is finished, type: gdb gimp 2>&1 | tee gdb-gimp.txt
and press enter, then type: handle SIG33 pass nostop noprint
and press enter, then type: set pagination 0
and press enter, then type: run gimp
and press enter.

When it goes good, it must crash, when it crashed, do this:
Type: backtrace full
and press enter, type: info registers
and press enter, type: thread apply all backtrace
and press enter, type: quit

Attach the complete output from GDB, contained in gdb-gimp.txt, in your bug report.