Freeze with GRTGen-OpenCL

[Sorcier_FXK]

I don't have any problem with -l < 7 char. But with -l 8 the tool freeze.
I run with ubu 10.10, SDK 2.4 & driver 11.5

Here a screenshot (i'm connected via SSH on my GPU box and I have X started correctly and logged in)
http://imageshack.us/photo/my-images/196/screenshotfj.png/