Comment 22 for bug 1766076

I've been running a few days now with the main line kernel 4.18.3 (from Ubuntu's main line kernel downloads), and I just got this again:

[72740.609531] xhci_hcd 0000:0e:00.0: xHCI host not responding to stop endpoint command.
[72740.609850] xhci_hcd 0000:0e:00.0: xHCI host controller not responding, assume dead
[72740.609882] usb 4-1.1.1: Failed to suspend device, error -22
[72740.609882] xhci_hcd 0000:0e:00.0: HC died; cleaning up
[72740.609926] usb 3-1: USB disconnect, device number 2
[72740.609930] usb 3-1.1: USB disconnect, device number 3
[72740.609932] usb 3-1.1.1: USB disconnect, device number 5
[72740.609935] usb 3-1.1.1.1: USB disconnect, device number 7
[72740.609938] usb 3-1.1.1.1.4: USB disconnect, device number 9
[72740.609994] usb 4-1: USB disconnect, device number 2
[72740.609996] usb 4-1.1: USB disconnect, device number 3
[72740.609997] usb 4-1.1.1: USB disconnect, device number 5
[72740.610718] usb 4-1.2: USB disconnect, device number 4
[72740.846065] usb 3-1.1.1.3: USB disconnect, device number 11
[72740.910812] usb 3-1.1.1.5: USB disconnect, device number 10
[72740.911322] usb 3-1.1.5: USB disconnect, device number 6
[72740.912038] usb 3-1.5: USB disconnect, device number 4

I'll change to the latest Bionic kernel and let you know if I can repro that.