Lenovo IdeaPad 720s (i5-8250U), the same issue. On resume, I get: [ 213.347656] usb 1-7: device descriptor read/64, error -110
➜ ~ lsusb -t /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/6p, 5000M |__ Port 2: Dev 2, If 0, Class=Mass Storage, Driver=usb-storage, 5000M /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/12p, 480M |__ Port 5: Dev 2, If 1, Class=Video, Driver=uvcvideo, 480M |__ Port 5: Dev 2, If 0, Class=Video, Driver=uvcvideo, 480M |__ Port 6: Dev 3, If 0, Class=Vendor Specific Class, Driver=, 12M |__ Port 7: Dev 5, If 0, Class=Wireless, Driver=btusb, 12M |__ Port 7: Dev 5, If 1, Class=Wireless, Driver=btusb, 12M This way, i was getting my BT adapter disconnected. But also I was experiencing a USB3 flash drive reconnecting unexpectedly during normal operation (no sleep/resume). 'pci=nomsi iommu=soft' helped, at least for now. ➜ ~ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 18.04 LTS Release: 18.04 Codename: bionic ➜ ~ uname -a Linux vshymanskyy-720S 4.15.0-20-generic #21-Ubuntu SMP Tue Apr 24 06:16:15 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1413440 Title: USB stops working after a while (xhci_hcd 0000:00:14.0: Timeout while waiting for setup device command) To manage notifications about this bug go to: https://bugs.launchpad.net/system76/+bug/1413440/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs