And, when I compiled a kernel with debugging symbols for profiling, I activated usb debugging: here's the output it generated in the course of one failed printing attempt followed by switching the printer off then on again. These are the messages I got from it: some of them are a little startling (and, no, the printer wasn't on fire).
-- usb backend hogs cpu https://launchpad.net/bugs/55656 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
