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aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=gnu.org header.s=fencepost-gnu-org header.b=FnhoW6QZ; dmarc=pass (policy=none) header.from=gnu.org; spf=pass (aspmx1.migadu.com: domain of bug-guix-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=bug-guix-bounces@gnu.org X-Migadu-Spam-Score: -1.42 Authentication-Results: aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=gnu.org header.s=fencepost-gnu-org header.b=FnhoW6QZ; dmarc=pass (policy=none) header.from=gnu.org; spf=pass (aspmx1.migadu.com: domain of bug-guix-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=bug-guix-bounces@gnu.org X-Migadu-Queue-Id: 99D6E113FE X-Spam-Score: -1.42 X-Migadu-Scanner: scn0.migadu.com X-TUID: c+MWJ6LILD6A Hello! Ludovic Court=C3=A8s skribis: > As of commit c582be4c38596a6a31a39c6799723dcd8b6eb909 (Sept. 23), > ungoogled-chromium fails to grab images from my webcam (for instance in > BigBlueButton instances), printing this message repeatedly: > > [4685:3:0924/102919.814053:ERROR:video_stream_encoder.cc(1762)] Failed = to encode frame. Error code: -7 For the record, this is still the case with: --8<---------------cut here---------------start------------->8--- $ guix describe Generacio 194 Nov 07 2021 23:40:30 (nuna) guix bd41e59 repository URL: https://git.savannah.gnu.org/git/guix.git branch: master commit: bd41e590dd24e54797fb8b6854c244efd4d12df5 $ guix package -A ungoogled ungoogled-chromium 95.0.4638.69-1 out gnu/packages/chromium.scm:4= 89:2 ungoogled-chromium-wayland 95.0.4638.69-1 out gnu/packages/chromi= um.scm:957:2 --8<---------------cut here---------------end--------------->8--- > I found that an older generation (Aug. 30) works for me: > > guix time-machine --commit=3Df91ae9425bb385b60396a544afe27933896b8fa3 -= - \ > environment --ad-hoc ungoogled-chromium -- chromium Still my preferred workaround. :-) Efraim Flashner skribis: > I'm fighting ungoogled chromium for something unrelated, but I noticed I > needed to add thirdparty/libusb to %preserved-third-party-files to get > it to build headless for me. Perhaps it tries to reach out directly to > the webcam through usb itself? I don=E2=80=99t know, not sure how to debug this. Marius, do you have ideas of things to look at? Thanks, Ludo=E2=80=99.