On Thu, Apr 29, 2021 at 1:25 PM Jonathan Billings <billings@xxxxxxxxxx> wrote: > > > Thanks, Jonathan. I meanwhile installed the v4l2loopback-dkms package from > > > > https://copr.fedorainfracloud.org/coprs/sentry/v4l2loopback/ > > > > and reboot, but the problem persists. > > I'd check the dkms build logs in: > > /var/lib/dkms/v4l2loopback/${V4L2LOOPBACK_VERSION}/build/make.log > > (replace ${V4L2LOOPBACK_VERSION} with the version you have installed, > it looks like it is 0.12.5 from the repo) > > Looking at the issues in the upstream git repo, it appears to be an > issue with the version of GCC not matching the one used to build the > kernel. The suggestions were to run 'dnf downgrade gcc' before > building. Not sure if that helps. > > See this closed issue: > https://github.com/umlaeute/v4l2loopback/issues/410 Thanks, Jonathan. Can you detect any problem in the make.log: ------------------------------ # more /var/lib/dkms/v4l2loopback/0.12.5/5.11.16-300.fc34.x86_64/x86_64/log/make.log DKMS make.log for v4l2loopback-0.12.5 for kernel 5.11.16-300.fc34.x86_64 (x86_64 ) Thu Apr 29 09:21:31 AM WEST 2021 Building v4l2-loopback driver... make -C /lib/modules/5.11.16-300.fc34.x86_64/build M=/var/lib/dkms/v4l2loopback/ 0.12.5/build modules make[1]: Entering directory '/usr/src/kernels/5.11.16-300.fc34.x86_64' CC [M] /var/lib/dkms/v4l2loopback/0.12.5/build/v4l2loopback.o MODPOST /var/lib/dkms/v4l2loopback/0.12.5/build/Module.symvers CC [M] /var/lib/dkms/v4l2loopback/0.12.5/build/v4l2loopback.mod.o LD [M] /var/lib/dkms/v4l2loopback/0.12.5/build/v4l2loopback.ko BTF [M] /var/lib/dkms/v4l2loopback/0.12.5/build/v4l2loopback.ko Skipping BTF generation for /var/lib/dkms/v4l2loopback/0.12.5/build/v4l2loopback .ko due to unavailability of vmlinux make[1]: Leaving directory '/usr/src/kernels/5.11.16-300.fc34.x86_64' # ------------------------------ Paul _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure
