I can confirm a similar issue affecting linux-image-2.6.31-2-rt and this nvidia-180 version, as well as the updated 185.18.36 driver.
Log lines: /var/lib/dkms/nvidia/185.18.36/build/nv.c: In function nv_alloc_file_private: /var/lib/dkms/nvidia/185.18.36/build/nv.c:1897: error: implicit declaration of function init_MUTEX ** Changed in: nvidia-graphics-drivers-180 (Ubuntu) Status: New => Confirmed -- Nvidia binary driver won't build with 2.6.31-rt kernel https://bugs.launchpad.net/bugs/413296 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs