I have to admit that istanbul came out before xrandr was developed, so it may work weirdly (or don't work) with it. I can't anything wrong in your report, except a really big resolution. Try to record without xrandr multiple desktop. Also try to see if anything is available at the location pointed by "filesink location="
Ciao, Luca -- .''`. ** Debian GNU/Linux ** | Luca Bruno : :' : The Universal O.S. | lucab (AT) debian.org `. `'` | GPG Key ID: 3BFB9FB3 `- http://www.debian.org | Debian GNU/Linux Developer
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