Public bug reported:

Using Ubuntu 18.04 as a bare-metal VM server via libvirtd qemu-kvm,
after some time with the guests running, xhci freaks out and thinks the
server died and disables all USB devices.


xhci_hcd 0000:25:00.0: ERROR unknown event type 15
xhci_hcd 0000:25:00.0: xHCI host not responding to stop endpoint command.
xhci_hcd 0000:25:00.0: xHCI host controller not responding, assume dead
xhci_hcd 0000:25:00.0: HC died; cleaning up

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1794074

Title:
   xhci_hcd 0000:25:00.0: ERROR unknown event type 15

Status in linux package in Ubuntu:
  New

Bug description:
  Using Ubuntu 18.04 as a bare-metal VM server via libvirtd qemu-kvm,
  after some time with the guests running, xhci freaks out and thinks
  the server died and disables all USB devices.

  
  xhci_hcd 0000:25:00.0: ERROR unknown event type 15
  xhci_hcd 0000:25:00.0: xHCI host not responding to stop endpoint command.
  xhci_hcd 0000:25:00.0: xHCI host controller not responding, assume dead
  xhci_hcd 0000:25:00.0: HC died; cleaning up

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