Dominique Martinet wrote on Sun, Jul 10, 2022 at 10:43:42PM +0900: > I could reproduce by just building any kernel with ARCH=i386 and using a > 32bit pahole > > $ LD_LIBRARY_PATH=/tmp/pahole/build /tmp/pahole/build/pahole -J --btf_base vmlinux arch/x86/crypto/aesni-intel.ko > Failed to parse base BTF 'vmlinux': -22 > > $ file /tmp/pahole/build/pahole > /tmp/pahole/build/pahole: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked, interpreter /nix/store/pp1yzf2flqnjm02jnjcgxhx015bhmi9j-glibc-2.34-210/lib/ld-linux.so.2, for GNU/Linux 2.6.32, with debug_info, not stripped Some more infos: this actually just got fixed by mistake when I changed libbpf build to use elfutils instead of the old libelf That was a side-product of the 0.8.0 upgrade which took a bit of time to get merged, as that wouldn't build anymore with old libelf (can't remember what, something missing)... So, well, I guess it's probably not worth looking too far as that's unlikely to be a problem again, and I'm not sure if libelf is still maintained. Sorry for the noise. -- Dominique
