Inappropriate ioctl for device error when using built-in CI slot of DVB tuner

Inspired by iskradeltas first post in this thread I thought I’d try to get TVheadend 4.2 for Arch Linux ARM running in a chroot jail in order to get the HW CAM working. I managed to set up a build environment and compile TVheadend just fine using rootfs for archlinuxarm.

Then I realized I’m doing it unnecessarily complicated and instead used the TVheadend release-4.2 aarch64 docker image from linuxserver.io, undockerized it and chrooted the output directory.

Seems to work fine as a workaround.

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