Another workaround: unplug USB before waking up from suspend. I think it can be duplicate of https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1291969
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-lts-utopic in Ubuntu. https://bugs.launchpad.net/bugs/1426744 Title: No usb on resume from suspend on Dell XPS13 9333 Status in linux-lts-utopic package in Ubuntu: New Bug description: My XPS13 running 14.04 always looses it's USB ports (it has only 2 USB 3.0 ports) after resume from suspend. Reconnecting USB devices doesn't help. But always help something like this: echo -n "0000:00:14.0" | sudo tee /sys/bus/pci/drivers/xhci_hcd/unbind; echo -n "0000:00:14.0" | sudo tee /sys/bus/pci/drivers/xhci_hcd/bind I had the same problem with 3.13.0-46 ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.16.0-31-generic 3.16.0-31.41~14.04.1 ProcVersionSignature: Ubuntu 3.16.0-31.41~14.04.1-generic 3.16.7-ckt5 Uname: Linux 3.16.0-31-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.7 Architecture: amd64 CurrentDesktop: KDE Date: Sat Feb 28 23:20:45 2015 EcryptfsInUse: Yes InstallationDate: Installed on 2014-03-16 (349 days ago) InstallationMedia: Kubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140227) SourcePackage: linux-lts-utopic UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lts-utopic/+bug/1426744/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
