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So i wanted to build the driver for my wifi adapter for my raspberry pi 400: https://github.com/morrownr/88x2bu-20210702 And i did everything what was said and then got the error: Your kernel files are not properly installed. So i send in my issue there and I was told the kernel and header version has to be the same. My kernel version is 6.1.21-v8+ and my header version is 6.1.21+. Now how do i fix this (I tried sudo apt install raspberrypi-kernel and raspberrypi-kernel-headers already but didnt help.

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  • what's the result of ls -l /lib/modules/6.1.21-v8+/build - did you install 64bit pi OS, or are you just running the 64bit kernel with 32bit "userland"
    – Jaromanda X
    May 1 at 10:22
  • @JaromandaX there is no build foler in there but im using raspberrypi os 32bit lite
    – Jakob
    May 1 at 10:28
  • oh yeah ... 32bit OS but enabling 64bit kernel ... I remember that being annoying for installing the headers. though, it looks like you don't have headers installed anyway
    – Jaromanda X
    May 1 at 10:43
  • @JaromandaX can i fix this somehow?
    – Jakob
    May 1 at 10:48
  • to be honest, I don't think you can compile 64bit drivers in 32bit OS - either don't enable the 64bit kernel, or switch to 64bit OS (that's a re-install, there's no migration to it as far as I know)
    – Jaromanda X
    May 1 at 11:30

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