I tried out with mainline kernels 2.6.32-02063211-generic, 2.6.32-0206321203-generic and 2.6.32-02063212-generic, and wasn't able to reproduce the bug.
I tried out with mainline kernels 2.6.32- 02063211- generic, 2.6.32- 0206321203- generic and 2.6.32- 02063212- generic, and wasn't able to reproduce the bug.