Hi I think the build was broken by this commit. 3a17e11 "update v4.10_sched_signal.patch" It's been fun learning about git bisect. $ cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=16.04 DISTRIB_CODENAME=xenial DISTRIB_DESCRIPTION="Ubuntu 16.04.2 LTS" The build script falls over on these kernels, in the same way 4.4.0-77-generic x86_64 4.8.0-53-generic x86_64 $ ./build --main-git --depth 1 -v 1 ...<elided> ****************** * Start building * * ****************** * $ make allyesconfig * make -C /home/me/git/clones/media_build/v4l allyesconfig * make[1]: Entering directory '/home/me/git/clones/media_build/v4l' * make[2]: Entering directory '/home/me/git/clones/media_build/linux' * Syncing with dir ../media/ * Applying patches for kernel 4.4.0-77-generic * patch -s -f -N -p1 -i ../backports/api_version.patch * patch -s -f -N -p1 -i ../backports/pr_fmt.patch * patch -s -f -N -p1 -i ../backports/debug.patch * patch -s -f -N -p1 -i ../backports/drx39xxj.patch * patch -s -f -N -p1 -i ../backports/v4.10_sched_signal.patch * 1 out of 1 hunk FAILED * Makefile:137: recipe for target 'apply_patches' failed * make[2]: *** [apply_patches] Error 1 * make[2]: Leaving directory '/home/me/git/clones/media_build/linux' * Makefile:383: recipe for target 'allyesconfig' failed * make[1]: *** [allyesconfig] Error 2 * make[1]: Leaving directory '/home/me/git/clones/media_build/v4l' * Makefile:26: recipe for target 'allyesconfig' failed * make: *** [allyesconfig] Error 2 * can't select all drivers at ./build.new line 521 * Hopefully this of some use to someone Vince