Also failed on Focal/liunx 5.8.0-49.55~20.04.1 lowlatency
stdout: make: Entering directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests' make --no-builtin-rules ARCH=x86 -C ../../.. headers_install make[1]: Entering directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux' INSTALL ./usr/include make[1]: Leaving directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux' make[1]: Entering directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/bpf' make[1]: Leaving directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/bpf' make: Leaving directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests' stderr: Makefile:148: *** Cannot find a vmlinux for VMLINUX_BTF at any of " ../../../../vmlinux /sys/kernel/btf/vmlinux /boot/vmlinux-5.8.0-49-lowlatency". Stop. make: *** [Makefile:159: all] Error 2
Also failed on Focal/liunx 5.8.0-49.55~20.04.1 lowlatency
stdout: ubuntu/ autotest/ client/ tmp/ubuntu_ kernel_ selftests/ src/linux/ tools/testing/ selftests' ubuntu/ autotest/ client/ tmp/ubuntu_ kernel_ selftests/ src/linux' ubuntu/ autotest/ client/ tmp/ubuntu_ kernel_ selftests/ src/linux' ubuntu/ autotest/ client/ tmp/ubuntu_ kernel_ selftests/ src/linux/ tools/testing/ selftests/ bpf' ubuntu/ autotest/ client/ tmp/ubuntu_ kernel_ selftests/ src/linux/ tools/testing/ selftests/ bpf' ubuntu/ autotest/ client/ tmp/ubuntu_ kernel_ selftests/ src/linux/ tools/testing/ selftests' btf/vmlinux /boot/vmlinux- 5.8.0-49- lowlatency" . Stop.
make: Entering directory '/home/
make --no-builtin-rules ARCH=x86 -C ../../.. headers_install
make[1]: Entering directory '/home/
INSTALL ./usr/include
make[1]: Leaving directory '/home/
make[1]: Entering directory '/home/
make[1]: Leaving directory '/home/
make: Leaving directory '/home/
stderr:
Makefile:148: *** Cannot find a vmlinux for VMLINUX_BTF at any of " ../../../../vmlinux /sys/kernel/
make: *** [Makefile:159: all] Error 2