Also latest kernel didn't fixed the issue:
Linux 201103-7412 2.6.38-11-generic #45~pre201107010902-Ubuntu SMP Fri Jul 1 09:21:35 UTC 2011 i686 i686 i386 GNU/Linux
Also latest kernel didn't fixed the issue:
Linux 201103-7412 2.6.38-11-generic #45~pre20110701 0902-Ubuntu SMP Fri Jul 1 09:21:35 UTC 2011 i686 i686 i386 GNU/Linux