Thanks for testing, it seems like it's an upstream introduced regression. Were you able to run the camera properly on Oracular (Ubuntu 6.11 kernel) or in Noble (Ubuntu 6.8 kernel)? Are you connecting the webcam directly into the laptop or are you using some kind of docking station?
-- 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/2114854 Title: Logitech HD Pro Webcam C920 broken after update to 25.04 Status in linux package in Ubuntu: Incomplete Bug description: My C920 webcam no longer works. With cheese, I can get a stuttering video sometimes. guvcview records a black image. Zoom no longer works. I haven't had trouble with this webcam for years. Please instruct me on how to debug this situation. ProblemType: Bug DistroRelease: Ubuntu 25.04 Package: linux-image-6.14.0-15-generic 6.14.0-15.15 ProcVersionSignature: Ubuntu 6.14.0-15.15-generic 6.14.0 Uname: Linux 6.14.0-15-generic x86_64 ApportVersion: 2.32.0-0ubuntu5.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: kms 5319 F.... wireplumber /dev/snd/controlC0: kms 5314 F.... pipewire kms 5319 F.... wireplumber /dev/snd/seq: kms 5314 F.... pipewire CasperMD5CheckResult: pass CurrentDesktop: ubuntu:GNOME Date: Tue Jun 17 20:45:24 2025 InstallationDate: Installed on 2021-10-12 (1344 days ago) InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Release amd64 (20210420) MachineType: Dell Inc. Latitude 7320 Detachable ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.14.0-15-generic root=UUID=b5bc6390-52a3-4ffc-9214-018cf62caeb4 ro quiet splash i915.enable_psr=1 crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-6.14.0-15-generic N/A linux-backports-modules-6.14.0-15-generic N/A linux-firmware 20250317.git1d4c88ee-0ubuntu1.2 SourcePackage: linux UpgradeStatus: Upgraded to plucky on 2025-05-21 (27 days ago) dmi.bios.date: 04/16/2024 dmi.bios.release: 1.31 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.31.0 dmi.board.name: 0TNW0H dmi.board.vendor: Dell Inc. dmi.board.version: A01 dmi.chassis.type: 32 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.31.0:bd04/16/2024:br1.31:svnDellInc.:pnLatitude7320Detachable:pvr:rvnDellInc.:rn0TNW0H:rvrA01:cvnDellInc.:ct32:cvr:sku0A45: dmi.product.family: Latitude dmi.product.name: Latitude 7320 Detachable dmi.product.sku: 0A45 dmi.sys.vendor: Dell Inc. modified.conffile..etc.default.apport: # set this to 0 to disable apport, or to 1 to enable it # you can temporarily override this with # sudo service apport start force_start=1 enabled=0 mtime.conffile..etc.default.apport: 2024-11-22T14:15:34.725524 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2114854/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
