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
---
ProblemType: Bug
AlsaVersion: Advanced Linux Sound Architecture Driver Version k4.15.0-34-generic.
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
ApportVersion: 2.20.9-0ubuntu7.4
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord'
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: jimmy 6534 F.... pulseaudio
/dev/snd/controlC3: jimmy 6534 F.... pulseaudio
/dev/snd/controlC1: jimmy 6534 F.... pulseaudio
Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer': 'amixer'
Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer': 'amixer'
Card1.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer': 'amixer'
Card1.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer': 'amixer'
Card3.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer': 'amixer'
Card3.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer': 'amixer'
DistroRelease: Ubuntu 18.04
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
MachineType: Micro-Star International Co., Ltd. MS-7A33
NonfreeKernelModules: nvidia_modeset nvidia
Package: linux (not installed)
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-34-generic root=UUID=9195c88f-be47-11e8-b927-309c2327f349 ro
ProcVersionSignature: Ubuntu 4.15.0-34.37-generic 4.15.18
RelatedPackageVersions:
linux-restricted-modules-4.15.0-34-generic N/A
linux-backports-modules-4.15.0-34-generic N/A
linux-firmware 1.173.1
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
Tags: bionic uec-images
Uname: Linux 4.15.0-34-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip kvm libvirt libvirt-dnsmasq lxd plugdev sudo video
_MarkForUpload: True
dmi.bios.date: 07/11/2018
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 3.D0
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: X370 SLI PLUS (MS-7A33)
dmi.board.vendor: Micro-Star International Co., Ltd.
dmi.board.version: 2.0
dmi.chassis.asset.tag: To be filled by O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: Micro-Star International Co., Ltd.
dmi.chassis.version: 2.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr3.D0:bd07/11/2018:svnMicro-StarInternationalCo.,Ltd.:pnMS-7A33:pvr2.0:rvnMicro-StarInternationalCo.,Ltd.:rnX370SLIPLUS(MS-7A33):rvr2.0:cvnMicro-StarInternationalCo.,Ltd.:ct3:cvr2.0:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: MS-7A33
dmi.product.version: 2.0
dmi.sys.vendor: Micro-Star International Co., Ltd.
This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1794074
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the Ubuntu Kernel Team.