With acpi=off IRQ 21 is not working and devices hci_hcd:usb2, uhci_hcd:usb3, uhci_hcd:usb4 which are on this interrupt won't work. If you want to run with ACPI disabled you may want to try using:
acpi=off irqpoll ..and see if USB works. This is quite gross though -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997767 Title: 10ec:8139 Network connection rtl8139 lost after some hours of inactivity and comes up again on user interaction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/997767/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
