Libreoffice 4.0.1.2 (Build ID: 400m0(Build:2))
Apport is installed here, version 2.9.1-0ubuntu1.
The crash occurred once more time and there is no trace.
I guess the crash is related to this bug:
https://bugs.launchpad.net/ubuntu/+s...rs/+bug/568492
The cause seems to be the nvidia driver, which was recently upgraded to nvidia-304-updates (304.84-0ubuntu2), without improving.
Nouveau driver does not work on HP Pavilion dv6000 - GeForce 7150M / nForce 630M/integrated/SSE2/3DNOW! (is an adventure installing the operating system under heavy flicker, unable to see the commands in screen, but it's only possible on that way)
I had so many problems with video driver that I chose to abandon Ubuntu 12.10 and use Ubuntu 13.04 alpha. Unfortunately there was no significant improvement.
When connecting an external monitor the issue became more frequent and it is impossible to use LibreOffice.