Public bug reported: Built-in webcam is not detected on Ubuntu 26.04 with kernel 7.0.0-15-generic.
Hardware: Acer Nitro AN16S-61 (AMD Ryzen AI) Kernel: 7.0.0-15-generic Ubuntu: 26.04 LTS (Resolute) Symptoms: - /dev/video* does not exist - lsusb shows no webcam (camera is on internal MIPI/ISP bus, not USB) - lspci shows no camera device - uvcvideo module loads but creates no video device - Camera works correctly on Windows 11 (dual boot confirmed) Root cause: The webcam uses AMD's ISP4 image signal processor, connected via internal MIPI bus. This requires the amd_isp4 kernel driver which is confirmed merged for Linux 7.2. The driver is not present in 7.0. Request: Please backport or fast-track the amd_isp4 driver to Ubuntu 26.04 kernel once Linux 7.2 is released. Reference: https://www.phoronix.com/news/AMD-ISP4-Driver-v6 ProblemType: Bug DistroRelease: Ubuntu 26.04 Package: linux-image-7.0.0-15-generic 7.0.0-15.15 ProcVersionSignature: Ubuntu 7.0.0-15.15-generic 7.0.0 Uname: Linux 7.0.0-15-generic x86_64 ApportVersion: 2.34.0-0ubuntu2 Architecture: amd64 CasperMD5CheckResult: pass CurrentDesktop: ubuntu:GNOME Date: Thu May 14 10:55:59 2026 InstallationDate: Installed on 2026-05-12 (2 days ago) InstallationMedia: Ubuntu 26.04 "Resolute Raccoon" - Release amd64 (20260423.1) IwDevWlp97s0Link: Not connected. MachineType: Acer Nitro AN16S-61 ProcEnviron: LANG=en_US.UTF-8 PATH=(custom, no user) SHELL=/usr/bin/zsh TERM=xterm-256color XDG_RUNTIME_DIR=<set> ProcFB: 0 amdgpudrmfb 1 nvidia-drmdrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-7.0.0-15-generic root=UUID=259d96a1-247d-4081-abfd-970b1201abd3 ro quiet splash crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 06/09/2025 dmi.bios.release: 1.7 dmi.bios.vendor: INSYDE Corp. dmi.bios.version: V1.07 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: EV3_SKF dmi.board.vendor: SXP dmi.board.version: V1.07 dmi.chassis.type: 10 dmi.chassis.vendor: Acer dmi.chassis.version: Chassis Version dmi.ec.firmware.release: 1.6 dmi.modalias: dmi:bvnINSYDECorp.:bvrV1.07:bd06/09/2025:br1.7:efr1.6:svnAcer:pnNitroAN16S-61:pvrV1.07:rvnSXP:rnEV3_SKF:rvrV1.07:cvnAcer:ct10:cvrChassisVersion:sku0000000000000000:pfaAcerNitro16SAI: dmi.product.family: Acer Nitro 16S AI dmi.product.name: Nitro AN16S-61 dmi.product.sku: 0000000000000000 dmi.product.version: V1.07 dmi.sys.vendor: Acer ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug resolute wayland-session -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2152594 Title: Acer Nitro AN16S-61 built-in webcam not detected - requires AMD ISP4 driver To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2152594/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
