apport information ** Attachment added: "ProcEnviron.txt" https://bugs.launchpad.net/bugs/1885259/+attachment/5387487/+files/ProcEnviron.txt
-- 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/1885259 Title: Logitech webcam microphone not working Status in linux package in Ubuntu: Incomplete Bug description: I have a Logitech C922 Pro webcam which works perfectly on an Ubuntu 19.10 installation, but when plugged into my Ubuntu 20.04 system (with all released updates), there is no sound from the microphone, either as digital input or as "microphone" This has been tested with two identical webcams (my CEO has one too) and on three Ubuntu installations plus the 19.10 where the webcam still works as expected. dmesg output on plugging in the webcam: [ 1123.265098] usb 1-8: new high-speed USB device number 14 using xhci_hcd [ 1123.415363] usb 1-8: New USB device found, idVendor=046d, idProduct=085c, bcdDevice= 0.16 [ 1123.415369] usb 1-8: New USB device strings: Mfr=0, Product=2, SerialNumber=1 [ 1123.415372] usb 1-8: Product: C922 Pro Stream Webcam [ 1123.415375] usb 1-8: SerialNumber: 16FFBB9F [ 1123.416467] uvcvideo: Found UVC 1.00 device C922 Pro Stream Webcam (046d:085c) [ 1123.418343] uvcvideo 1-8:1.0: Entity type for entity Processing 3 was not initialized! [ 1123.418347] uvcvideo 1-8:1.0: Entity type for entity Extension 6 was not initialized! [ 1123.418350] uvcvideo 1-8:1.0: Entity type for entity Extension 12 was not initialized! [ 1123.418353] uvcvideo 1-8:1.0: Entity type for entity Camera 1 was not initialized! [ 1123.418356] uvcvideo 1-8:1.0: Entity type for entity Extension 8 was not initialized! [ 1123.418359] uvcvideo 1-8:1.0: Entity type for entity Extension 9 was not initialized! [ 1123.418362] uvcvideo 1-8:1.0: Entity type for entity Extension 10 was not initialized! [ 1123.418364] uvcvideo 1-8:1.0: Entity type for entity Extension 11 was not initialized! [ 1123.418811] input: C922 Pro Stream Webcam as /devices/pci0000:00/0000:00:14.0/usb1/1-8/1-8:1.0/input/input23 [ 1147.505572] usb 1-8: reset high-speed USB device number 14 using xhci_hcd lsusb output: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 004: ID 0bda:0153 Realtek Semiconductor Corp. 3-in-1 (SD/SDHC/SDXC) Card Reader Bus 001 Device 014: ID 046d:085c Logitech, Inc. C922 Pro Stream Webcam Bus 001 Device 003: ID 04ca:006d Lite-On Technology Corp. USB Device Bus 001 Device 005: ID 8087:0aa7 Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub lsmod | grep usb_audio snd_usb_audio 262144 1 snd_usbmidi_lib 36864 1 snd_usb_audio snd_hwdep 20480 2 snd_usb_audio,snd_hda_codec snd_pcm 106496 5 snd_hda_codec_hdmi,snd_hda_intel,snd_usb_audio,snd_hda_codec,snd_hda_core mc 53248 5 videodev,snd_usb_audio,videobuf2_v4l2,uvcvideo,videobuf2_common snd 90112 29 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_usb_audio,snd_usbmidi_lib,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_pcm,snd_rawmidi Any ideas greatly appreciated --- ProblemType: Bug ApportVersion: 2.20.11-0ubuntu27.3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC2: simon 1772 F.... pulseaudio /dev/snd/controlC1: simon 1772 F.... pulseaudio /dev/snd/controlC0: simon 1772 F.... pulseaudio CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME DistroRelease: Ubuntu 20.04 InstallationDate: Installed on 2020-04-27 (60 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423) MachineType: Acer Aspire GX-781 NonfreeKernelModules: nvidia_modeset nvidia Package: linux (not installed) ProcFB: 0 EFI VGA ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-39-generic root=UUID=8285b241-2b1c-4a1f-bd2e-ce5cac7a2938 ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 5.4.0-39.43-generic 5.4.41 RelatedPackageVersions: linux-restricted-modules-5.4.0-39-generic N/A linux-backports-modules-5.4.0-39-generic N/A linux-firmware 1.187 Tags: focal Uname: Linux 5.4.0-39-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom chrome-remote-desktop dip lpadmin lxd plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 01/09/2017 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: R02-A1 dmi.board.name: Aspire GX-781(KBL) dmi.board.vendor: Acer dmi.chassis.type: 3 dmi.chassis.vendor: Acer dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrR02-A1:bd01/09/2017:svnAcer:pnAspireGX-781:pvr:rvnAcer:rnAspireGX-781(KBL):rvr:cvnAcer:ct3:cvr: dmi.product.family: Aspire G dmi.product.name: Aspire GX-781 dmi.sys.vendor: Acer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1885259/+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