Xephyr does not recognize keyboard or mouse [unrecognised device identifier]

[Tim Hawes]

Xephyr window appears but then does not accept any input from keyboard or mouse.

This seems related: https://gitlab.freedesktop.org/xorg/xserver/-/issues/1289

Output is:

unrecognised device identifier: /dev/input/event3
unrecognised device identifier: /dev/input/event0
unrecognised device identifier: /dev/input/event2
unrecognised device identifier: /dev/input/event1
Kbd option key (_source) of value (server/udev) not assigned!
Kbd option key (major) of value (13) not assigned!
Kbd option key (minor) of value (70) not assigned!
Kbd option key (config_info) of value (udev:/sys/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1.2/1-1.2:1.0/0003:258A:003A.0001/input/input13/event6) not assigned!
couldn't find driver for keyboard device "HID 258a:003a" (/dev/input/event6)
unrecognised device identifier: /dev/input/event7
unrecognised device identifier: /dev/input/event8
unrecognised device identifier: /dev/input/event9
Pointer option key (_source) of value (server/udev) not assigned!
Pointer option key (major) of value (13) not assigned!
Pointer option key (minor) of value (74) not assigned!
Pointer option key (config_info) of value (udev:/sys/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1.3/1-1.3:1.0/0003:093A:2510.0003/input/input17/event10) not assigned!
couldn't find driver for pointer device "HID 093a:2510" (/dev/input/event10)
Pointer option key (_source) of value (server/udev) not assigned!
Pointer option key (major) of value (13) not assigned!
Pointer option key (minor) of value (33) not assigned!
Pointer option key (config_info) of value (udev:/sys/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1.3/1-1.3:1.0/0003:093A:2510.0003/input/input17/mouse1) not assigned!
couldn't find driver for pointer device "HID 093a:2510" (/dev/input/mouse1)
unrecognised device identifier: /dev/input/event12
unrecognised device identifier: /dev/input/event13
unrecognised device identifier: /dev/input/event14
unrecognised device identifier: /dev/input/event15
unrecognised device identifier: /dev/input/event16
unrecognised device identifier: /dev/input/event17
unrecognised device identifier: /dev/input/event18
unrecognised device identifier: /dev/input/event19
unrecognised device identifier: /dev/input/event11
Kbd option key (_source) of value (server/udev) not assigned!
Kbd option key (major) of value (13) not assigned!
Kbd option key (minor) of value (68) not assigned!
Kbd option key (config_info) of value (udev:/sys/devices/platform/i8042/serio0/input/input4/event4) not assigned!
couldn't find driver for keyboard device "AT Translated Set 2 keyboard" (/dev/input/event4)
unrecognised device identifier: /dev/input/event5
unrecognised device identifier: /dev/input/mouse0

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: xserver-xephyr 2:21.1.3-2ubuntu2.1
ProcVersionSignature: Ubuntu 5.15.0-46.49-generic 5.15.39
Uname: Linux 5.15.0-46-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu82.1
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: pass
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CurrentDesktop: KDE
Date: Wed Aug 31 03:59:02 2022
DistUpgraded: Fresh install
DistroCodename: jammy
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation CometLake-U GT2 [UHD Graphics] [8086:9b41] (rev 02) (prog-if 00 [VGA controller])
   Subsystem: Intel Corporation CometLake-U GT2 [UHD Graphics] [8086:2212]
InstallationDate: Installed on 2022-07-28 (33 days ago)
InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Release amd64 (20220419)
MachineType: System76 Galago Pro
ProcKernelCmdLine: BOOT_IMAGE=/BOOT/ubuntu_el3sdk@/vmlinuz-5.15.0-46-generic root=ZFS=rpool/ROOT/ubuntu_el3sdk ro quiet splash vt.handoff=1
SourcePackage: xorg-server
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/13/2020
dmi.bios.release: 4.11
dmi.bios.vendor: coreboot
dmi.bios.version: 2020-05-20_de5eab8
dmi.board.name: Galago Pro
dmi.board.vendor: System76
dmi.board.version: galp4
dmi.chassis.type: 9
dmi.chassis.vendor: System76
dmi.ec.firmware.release: 0.0
dmi.modalias: dmi:bvncoreboot:bvr2020-05-20_de5eab8:bd05/13/2020:br4.11:efr0.0:svnSystem76:pnGalagoPro:pvrgalp4:rvnSystem76:rnGalagoPro:rvrgalp4:cvnSystem76:ct9:cvr:sku:
dmi.product.name: Galago Pro
dmi.product.version: galp4
dmi.sys.vendor: System76
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.110-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 22.0.5-0ubuntu0.1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:21.1.3-2ubuntu2.1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-2ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20210115-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.17-2build1

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.