Hi Alexandre, First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 1001354ca34179f3db924eb66672442a173147dc commit: 3489187204eb75e5635d8836babfd0a18be613f4 serial: stm32: adding dma support date: 3 weeks ago config: m32r-allmodconfig (attached as .config) compiler: m32r-linux-gcc (GCC) 6.2.0 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 3489187204eb75e5635d8836babfd0a18be613f4 # save the attached .config to linux build tree make.cross ARCH=m32r All errors (new ones prefixed by >>): ERROR: "bad_dma_ops" [sound/soc/bcm/snd-soc-cygnus.ko] undefined! ERROR: "bad_dma_ops" [sound/core/snd-pcm.ko] undefined! ERROR: "dma_common_mmap" [sound/core/snd-pcm.ko] undefined! >> ERROR: "bad_dma_ops" [drivers/tty/serial/stm32-usart.ko] undefined! --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
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