Hi Буди, [auto build test ERROR on linuxtv-media/master] [also build test ERROR on v4.6-rc2 next-20160404] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/info-are-ma/DVB-driver-for-Earthsoft-PT3-PLEX-PX-Q3PE-ISDB-S-T-PCIE-cards-PX-BCUD-ISDB-S-USB-dongle/20160405-011100 base: git://linuxtv.org/media_tree.git master config: x86_64-randconfig-n0-04050300 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=x86_64 Note: the linux-review/info-are-ma/DVB-driver-for-Earthsoft-PT3-PLEX-PX-Q3PE-ISDB-S-T-PCIE-cards-PX-BCUD-ISDB-S-USB-dongle/20160405-011100 HEAD b63c486d6d62c3611264e122cf14e0271d6e137a builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>): drivers/built-in.o: In function `pt3_remove': >> (.text+0x24374c0): undefined reference to `ptx_unregister_adap' drivers/built-in.o: In function `pt3_remove': >> (.text+0x2437883): undefined reference to `ptx_sleep' drivers/built-in.o: In function `pt3_probe': >> (.text+0x2437d83): undefined reference to `ptx_alloc' drivers/built-in.o: In function `pt3_probe': >> (.text+0x2437dfa): undefined reference to `ptx_abort' drivers/built-in.o: In function `pt3_probe': (.text+0x2437e7d): undefined reference to `ptx_abort' drivers/built-in.o: In function `pt3_probe': (.text+0x2437fe3): undefined reference to `ptx_abort' drivers/built-in.o: In function `pt3_probe': (.text+0x2438617): undefined reference to `ptx_abort' drivers/built-in.o: In function `pt3_probe': (.text+0x243863d): undefined reference to `ptx_abort' drivers/built-in.o: In function `pt3_probe': >> (.text+0x2438b63): undefined reference to `ptx_i2c_add_adapter' drivers/built-in.o: In function `pt3_probe': >> (.text+0x2438ba6): undefined reference to `ptx_register_adap' >> drivers/built-in.o:(.rodata+0x5c4370): undefined reference to `ptx_i2c_func' --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation