That's not a bug. As the error message says, an empty "erase" value is invalid, you need to specify a mode:
http://udisks.freedesktop.org/docs/latest/gdbus-org.freedesktop.UDisks2.Block.html#gdbus-method-org-freedesktop-UDisks2-Block.Format
That's not a bug. As the error message says, an empty "erase" value is invalid, you need to specify a mode:
http:// udisks. freedesktop. org/docs/ latest/ gdbus-org. freedesktop. UDisks2. Block.html# gdbus-method- org-freedesktop -UDisks2- Block.Format