On Fri, 8 Jul 2011 16:41:03 +0000 (UTC), I wrote: > However, there is a new error message early on in booting: > > Waiting for /dev to be fully populated... > udevd[425]: failed to execute '/lib/udev/mtp-probe' I found a fix for this (installing libmtp-runtime) under bug 627410. The error message is now gone and /lib/udev/mtp-probe exists. The bug report suggests that installing libmtp-runtime should be unnecessary.