With that kernel the bug does not appear.
uname -a Linux demolition 3.10.0-031000rc7-generic #201306221735 SMP Sat Jun 22 21:35:55 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
With that kernel the bug does not appear.
uname -a 031000rc7- generic #201306221735 SMP Sat Jun 22 21:35:55 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
Linux demolition 3.10.0-