On Wed, 2021-10-27 at 18:14 +0530, Naresh Kamboju wrote: > Regression found on arm64 gcc-10 and gcc-11 built with defconfig > Following build warnings / errors reported on linux next 20211027. > > metadata: > git_describe: next-20211027 > git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next > git_short_log: ae5179317e79 (\"Add linux-next specific files for 20211027\") > target_arch: arm64 > toolchain: gcc-11 > > build error : > -------------- > ERROR: modpost: module drm_cma_helper uses symbol dma_buf_vunmap from > namespace DMA_BUF, but does not import it. > ERROR: modpost: module drm_cma_helper uses symbol dma_buf_vmap from > namespace DMA_BUF, but does not import it. > make[2]: *** [/builds/linux/scripts/Makefile.modpost:134: > modules-only.symvers] Error 1 > make[2]: *** Deleting file 'modules-only.symvers' > make[2]: Target '__modpost' not remade because of errors. > > Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> > > build link: > ----------- > https://builds.tuxbuild.com/205SAU159J0g6lSlRRS11o5hHyY/build.log > > build config: > ------------- > https://builds.tuxbuild.com/205SAU159J0g6lSlRRS11o5hHyY/config > > # To install tuxmake on your system globally > # sudo pip3 install -U tuxmake > tuxmake --runtime podman --target-arch arm64 --toolchain gcc-11 > --kconfig defconfig > > -- > Linaro LKFT > https://lkft.linaro.org I also just experienced this one and will send a fix shortly.