Removed "ehci_hcd" from the MODULES variable in /etc/default/acpi-support. I had put that there when having problems with USB after suspend in previous Ubuntu releases. Inital testing suggests that it seems to have resolved the issue. Will test more and close bug report if all goes well.
-- USB does not work after suspend to RAM on IBM T42 https://launchpad.net/bugs/95144 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs