However the issue still rarely happens (usually 1 out of four hotplugs fails). It is sufficient to replug the usb device to get things working.
-- Hal recognize certain usb scsi devices only the first time you connect them https://launchpad.net/bugs/50350 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs