The hang started on images with kernel version of Ubuntu 3.7.0-6-generic. This could be reproduced on the raring server i386 image of 20121213 and later
The hang can not be seen with images that contain kernel version 3.7.0-5-generic and earlier. Tested with raring server i386 images of 20121212 and earlier ones but could not reproduce the issue.
The hang started on images with kernel version of Ubuntu 3.7.0-6-generic. This could be reproduced on the raring server i386 image of 20121213 and later
The hang can not be seen with images that contain kernel version 3.7.0-5-generic and earlier. Tested with raring server i386 images of 20121212 and earlier ones but could not reproduce the issue.