I was running 'gnome-format' at got the following message:
' A bug has been detected in GNU Parted. Refer to the web site of parted http://www.gnu.org/software/parted/parted.html for more information of what could be useful for bug submitting! Please e-mail a bug report to address@hidden containing at least the version (2.2) and the following message: Assertion (dev != NULL) at ../../libparted/disk.c:186 in function ped_disk_new() failed.'
Aborted address@hidden:/home/stephanie#