i have try now, but the bug not is present, probably is driver ati app sdk 3 beta

ah with wacom bambu the bug is very fast to activate.
my idea is that the sculpt dyntopo have problem

ok same bug on amd 4core 3100mhz with nvidia gt 250 if i remember with ubuntu,
the problem can is relative to driver wacom of linux?
I'm use a intuos 4. Later i try to change tablet.

ok i have try, this is easy to reproduce
1 I have try with default cube , same error
2 I have try software gl and not make difference