Lenovo X1 Extreme Gen2 Docking Lenovo Thunderbolt 3 Gen2 Was getting similar random disconnects every 2-5 minutes:
[125028.443102] pcieport 0000:05:01.0: pciehp: Slot(1): Link Down [125028.443108] pcieport 0000:05:01.0: pciehp: Slot(1): Card not present [125028.443122] pcieport 0000:08:04.0: can't change power state from D3cold to D0 (config space inaccessible) [125028.444133] xhci_hcd 0000:09:00.0: remove, state 1 [125028.444151] usb usb6: USB disconnect, device number 1 [125028.444156] usb 6-2: USB disconnect, device number 2 [125028.444162] usb 6-2.1: USB disconnect, device number 3 [125028.444167] usb 6-2.1.2: USB disconnect, device number 5 [125028.444369] xhci_hcd 0000:09:00.0: xHCI host controller not responding, assume dead .. . Fixed by connecting two power supplies to both laptop and docking (2x135W). -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1857385 Title: xHCI host controller not responding, assume dead via USB-C docking station To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1857385/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs