Public bug reported: ### Ubuntu
Ubuntu 25.10 ### OBS Studio Version both 32.0.3 and the **Ubuntu packaged 30.2.3+dfsg-3** ### OBS Studio Log URL https://obsproject.com/logs/br9dzANiQB3F2qB2 ### Expected Behavior OBS should be able to record the desktop on Ubuntu 25.10 using **FFmpeg VAAPI (Intel iGPU)** without frame drops or “Encoding overloaded” warnings, especially when using reasonable quality settings and hardware encoding. ### Current Behavior After upgrading from **Ubuntu 25.04 → 25.10**, OBS recording performance tanked when using **Wayland screen capture + FFmpeg VAAPI**. OBS constantly shows: > “Encoding overloaded! Consider turning down video settings or using a faster encoding preset” This happens **regardless of encoder settings** (bitrate/QP lowered, HEVC/H264, presets, etc.). Even extremely low quality settings still trigger overload warnings and dropped frames. ### Steps to Reproduce 1. Install OBS Studio (tested via **Snap**, **Flatpak**, **APT**, and **Pacstall build-from-source** — all show the same behavior). 2. Run Ubuntu **25.10** on **Wayland**. 3. Add a screen capture source (PipeWire / Wayland capture). 4. Set Output → Recording encoder to **FFmpeg VAAPI** (Intel iGPU), tested with both: * `hevc_vaapi` * `h264_vaapi` 5. Set resolution to **2880×1800** (native screen resolution). 6. Start recording. Result: OBS almost immediately shows “Encoding overloaded” and drops frames. ### Anything else we should know? * This regression **did not exist on Ubuntu 25.04** with the same hardware and similar OBS settings. * VAAPI itself appears functional: * `vainfo` output is normal. * `ffmpeg` VAAPI encoding tests run smoothly even at **2880×1800**, HEVC VAAPI at QP 16 is fast and stable. * GPU monitoring using `intel_gpu_top` while OBS is running shows: * **Render/3D usage jumps from ~0-4% idle to ~45–70%** * **Video engine hovers around ~21%** * User is in correct permissions/groups (`render`, etc). * Tested multiple OBS distributions: * Snap * Flatpak * apt * pacstall (built-from-source) All behave the same. * System is running on Intel iGPU (VAAPI). ### Hardware / OS * OS: Ubuntu 25.10 (Wayland) * Previous OS: Ubuntu 25.04 (worked fine) * GPU: Intel iGPU (VAAPI) * Resolution: 2880×1800 ProblemType: Bug DistroRelease: Ubuntu 25.10 Package: obs-studio 30.2.3+dfsg-3 ProcVersionSignature: Ubuntu 6.17.0-12.12-generic 6.17.2 Uname: Linux 6.17.0-12-generic x86_64 ApportVersion: 2.33.1-0ubuntu3 Architecture: amd64 CasperMD5CheckResult: pass CurrentDesktop: ubuntu:GNOME Date: Mon Feb 9 09:29:20 2026 InstallationDate: Installed on 2024-12-07 (429 days ago) InstallationMedia: Ubuntu 24.10 "Oracular Oriole" - Release amd64 (20241009.4) SourcePackage: obs-studio UpgradeStatus: Upgraded to questing on 2025-11-09 (92 days ago) ** Affects: obs-studio (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug questing 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/2141278 Title: screen capture performance regression on Ubuntu 25.10: VAAPI recording causes constant “Encoding overloaded” in OBS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/obs-studio/+bug/2141278/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
