There is another bug like this, to which I added some more info: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1795763
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1794074 Title: xhci_hcd 0000:25:00.0: ERROR unknown event type 15 Status in linux package in Ubuntu: Confirmed 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 --- 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. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1794074/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
