Tree generated with ./gentree.py --clean --verbose --git-revision next-20140221 /root/linux-next /tmp/next When running devel/ckmake I see the following [...] 23 3.7.10 [ LINK ] 24 3.8.13 [ LINK ] 25 3.9.11 [ LINK ] 26 3.10.29 [ LINK ] 27 3.11.10 [ LINK ] 28 3.12.10 [ LINK ] 29 3.13.2 [ LINK ] 30 3.14-rc1 [ LINK ] Looking at ckmake.log there seems to be a problem with mcount. Building backport-include/backport/autoconf.h ... done. /root/ksrc-backports/usr/src/linux-headers-3.7.10-030710-generic/arch/x86/Makefile:103: CONFIG_X86_X32 enabled but no binutils support CC [M] /tmp/next/.tmp.ckmake/3.7.10/compat/lib-cordic.o LD [M] /tmp/next/.tmp.ckmake/3.7.10/compat/compat.o LD [M] /tmp/next/.tmp.ckmake/3.7.10/compat/cordic.o Building modules, stage 2. MODPOST 2 modules WARNING: "mcount" [/tmp/next/.tmp.ckmake/3.7.10/compat/cordic.ko] undefined! WARNING: "mcount" [/tmp/next/.tmp.ckmake/3.7.10/compat/compat.ko] undefined! This is also the case for every kernel mentioned above. Stefan -- To unsubscribe from this list: send the line "unsubscribe backports" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html