On Mon, 25 Oct 2021 at 17:43, Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> wrote: > > Regression found on arm gcc-11 built with multi_v5_defconfig > Following build warnings / errors reported on linux next 20211025. > > metadata: > git_describe: next-20211025 > git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next > git_short_log: 9ae1fbdeabd3 (\"Add linux-next specific files for 20211025\") > target_arch: arm > toolchain: gcc-11 > config: multi_v5_defconfig > > build error : > -------------- > arm-linux-gnueabihf-ld: drivers/gpu/drm/drm_fb_cma_helper.o: in > function `drm_fb_cma_get_gem_obj': > drivers/gpu/drm/drm_fb_cma_helper.c:46: undefined reference to > `drm_gem_fb_get_obj' > arm-linux-gnueabihf-ld: drivers/gpu/drm/drm_fb_cma_helper.c:46: > undefined reference to `drm_gem_fb_get_obj' > arm-linux-gnueabihf-ld: drivers/gpu/drm/drm_fb_cma_helper.c:46: > undefined reference to `drm_gem_fb_get_obj' > arm-linux-gnueabihf-ld: drivers/gpu/drm/drm_fb_cma_helper.o: in > function `drm_fb_cma_sync_non_coherent': > drivers/gpu/drm/drm_fb_cma_helper.c:133: undefined reference to > `drm_atomic_helper_damage_iter_init' > arm-linux-gnueabihf-ld: drivers/gpu/drm/drm_fb_cma_helper.c:135: > undefined reference to `drm_atomic_helper_damage_iter_next' > make[1]: *** [Makefile:1252: vmlinux] Error 1 > make[1]: Target '__all' not remade because of errors. > make: *** [Makefile:226: __sub-make] Error 2 > > Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> The bisection script pointed to the first bad commit, commit 4b2b5e142ff499a2bef2b8db0272bbda1088a3fe drm: Move GEM memory managers into modules > build link: > ----------- > https://builds.tuxbuild.com/1zzgFZBGjpQ5R0lawQFW9iJ39Hp/build.log > > build config: > ------------- > https://builds.tuxbuild.com/1zzgFZBGjpQ5R0lawQFW9iJ39Hp/config > > # To install tuxmake on your system globally > # sudo pip3 install -U tuxmake > tuxmake --runtime podman --target-arch arm --toolchain gcc-11 > --kconfig multi_v5_defconfig > > -- > Linaro LKFT > https://lkft.linaro.org - Naresh