Adding the "acpi_backlight=vendor" kernel parameter allows my system (Dell Vostro 3750) to boot with different USB devices connected to the USB 3.0 ports. This solution was suggested by Len Brown in https://bugzilla.kernel.org/show_bug.cgi?id=42844#c4 -- Regards, Wojtek
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/978891 Title: ubuntu 12.04 doesn't boot when usb device plugged in (except usb mouse) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/978891/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
