Hi Chris,
It's probably a bug fix that unveils the link errors.
tree: git://anongit.freedesktop.org/drm/drm-tip drm-tip head: c49f62682d40bd553d906245815a73976cfb604a commit: b339ba2c91ecf03b38560c20e88d98dc7b6739f6 [7/8] Merge remote-tracking branch 'drm-intel/topic/core-for-CI' into drm-tip config: m68k-allmodconfig (attached as .config) compiler: m68k-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout b339ba2c91ecf03b38560c20e88d98dc7b6739f6 # save the attached .config to linux build tree GCC_VERSION=7.2.0 make.cross ARCH=m68k
All errors (new ones prefixed by >>):
kernel/dma/debug.o: In function `dma_entry_alloc':
debug.c:(.text+0x11d2): undefined reference to `save_stack_trace'
mm/slub.o: In function `set_track':
slub.c:(.text+0x12b4): undefined reference to `save_stack_trace'
lib/debugobjects.o: In function `save_stack.isra.0':
debugobjects.c:(.text+0x9f2): undefined reference to `save_stack_trace'
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