It turned out to be a hardware bug which was fixed in the latest BIOS update 
from Lenovo.
more details can be found here: http://bugzilla.kernel.org/show_bug.cgi?id=8853

-- 
USB Stops Working (Disabling IRQ #19) Gutsy Gibbon Beta
https://bugs.launchpad.net/bugs/151252
You received this bug notification because you are a member of Ubuntu
Bugs, which is the bug contact for Ubuntu.

-- 
ubuntu-bugs mailing list
[email protected]
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs

Reply via email to