AMD kernel module generator version 2.1 . Active kernel: uname -a = Linux david-pc 3.19.0-25-generic #26-Ubuntu SMP Fri Jul 24 21:17:31 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux uname -s = Linux uname -m = x86_64 uname -r = 3.19.0-25-generic uname -v = #26-Ubuntu SMP Fri Jul 24 21:17:31 UTC 2015 . Target kernel: uname -a = Linux david-pc 3.19.0-25-generic #26-Ubuntu SMP Fri Jul 24 21:17:31 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux uname -s = Linux uname -m = x86_64 uname -r = 3.19.0-26-generic uname -v = #26-Ubuntu SMP Fri Jul 24 21:17:31 UTC 2015 . OsVersion says: SMP=1 file /proc/kallsyms says: SMP=1 file /lib/modules/3.19.0-26-generic/build/include/generated/autoconf.h says: SMP=1 file /lib/modules/3.19.0-26-generic/build/include/generated/autoconf.h says: MODVERSIONS=1 file /lib/modules/3.19.0-26-generic/build/arch/x86/include/asm/compat.h says: COMPAT_ALLOC_USER_SPACE=arch_compat_alloc_user_space . doing Makefile based build for kernel 2.6.x and higher make -C /lib/modules/3.19.0-26-generic/build SUBDIRS=/var/lib/dkms/fglrx-core/15.200/build/2.6.x modules make[1]: Entering directory '/usr/src/linux-headers-3.19.0-26-generic' CC [M] /var/lib/dkms/fglrx-core/15.200/build/2.6.x/firegl_public.o /var/lib/dkms/fglrx-core/15.200/build/2.6.x/firegl_public.c:6426:12: warning: ‘KCL_fpu_save_init’ defined but not used [-Wunused-function] static int KCL_fpu_save_init(struct task_struct *tsk) ^ CC [M] /var/lib/dkms/fglrx-core/15.200/build/2.6.x/kcl_acpi.o /var/lib/dkms/fglrx-core/15.200/build/2.6.x/kcl_acpi.c:832:20: warning: ‘KCL_ACPI_Slot_No_Hotplug’ defined but not used [-Wunused-function] static acpi_status KCL_ACPI_Slot_No_Hotplug(KCL_ACPI_DevHandle handle, u32 lvl, void *data, void **rv) ^ CC [M] /var/lib/dkms/fglrx-core/15.200/build/2.6.x/kcl_agp.o CC [M] /var/lib/dkms/fglrx-core/15.200/build/2.6.x/kcl_debug.o CC [M] /var/lib/dkms/fglrx-core/15.200/build/2.6.x/kcl_ioctl.o CC [M] /var/lib/dkms/fglrx-core/15.200/build/2.6.x/kcl_io.o CC [M] /var/lib/dkms/fglrx-core/15.200/build/2.6.x/kcl_pci.o CC [M] /var/lib/dkms/fglrx-core/15.200/build/2.6.x/kcl_str.o CC [M] /var/lib/dkms/fglrx-core/15.200/build/2.6.x/kcl_iommu.o CC [M] /var/lib/dkms/fglrx-core/15.200/build/2.6.x/kcl.o CC [M] /var/lib/dkms/fglrx-core/15.200/build/2.6.x/kcl_wait.o LD [M] /var/lib/dkms/fglrx-core/15.200/build/2.6.x/fglrx.o Building modules, stage 2. MODPOST 1 modules FATAL: modpost: GPL-incompatible module fglrx.ko uses GPL-only symbol 'pci_ignore_hotplug' scripts/Makefile.modpost:90: recipe for target '__modpost' failed make[2]: *** [__modpost] Error 1 Makefile:1397: recipe for target 'modules' failed make[1]: *** [modules] Error 2 make[1]: Leaving directory '/usr/src/linux-headers-3.19.0-26-generic' Makefile:88: recipe for target 'kmod_build' failed make: *** [kmod_build] Error 2 build failed with return value 2