Try and push this along. Is this a packaging error ? As the Xorg file indicates: 4.976] (==) ModulePath set to "/usr/lib/xorg/modules"
However, the nvidia directive does not exist there: sysop@x1904:~$ ls -al /usr/lib/xorg/modules total 864 drwxr-xr-x 5 root root 4096 Nov 14 23:26 . drwxr-xr-x 3 root root 4096 Nov 14 23:26 .. drwxr-xr-x 2 root root 4096 Nov 22 17:40 drivers drwxr-xr-x 2 root root 4096 Nov 14 23:26 extensions drwxr-xr-x 2 root root 4096 Oct 16 23:44 input -rw-r--r-- 1 root root 101040 Oct 25 09:53 libexa.so -rw-r--r-- 1 root root 22792 Oct 25 09:53 libfbdevhw.so -rw-r--r-- 1 root root 109360 Oct 25 09:53 libfb.so -rw-r--r-- 1 root root 217048 Oct 25 09:53 libglamoregl.so -rw-r--r-- 1 root root 146088 Oct 25 09:53 libint10.so -rw-r--r-- 1 root root 14472 Oct 25 09:53 libshadowfb.so -rw-r--r-- 1 root root 39112 Oct 25 09:53 libshadow.so -rw-r--r-- 1 root root 31120 Oct 25 09:53 libvbe.so -rw-r--r-- 1 root root 35880 Oct 25 09:53 libvgahw.so -rw-r--r-- 1 root root 133904 Oct 25 09:53 libwfb.so sysop@x1904:~$ Looking in /drivers and no nvidia file there either: sysop@x1904:~$ ls -al /usr/lib/xorg/modules/drivers/ total 3064 drwxr-xr-x 2 root root 4096 Nov 22 17:40 . drwxr-xr-x 5 root root 4096 Nov 14 23:26 .. -rw-r--r-- 1 root root 160864 Sep 18 02:23 amdgpu_drv.so -rw-r--r-- 1 root root 14504 Sep 18 03:54 ati_drv.so -rw-r--r-- 1 root root 27648 Oct 4 02:11 fbdev_drv.so -rw-r--r-- 1 root root 1686056 Oct 11 03:39 intel_drv.so -rw-r--r-- 1 root root 111168 Oct 25 09:53 modesetting_drv.so -rw-r--r-- 1 root root 212968 Jun 25 11:39 nouveau_drv.so -rw-r--r-- 1 root root 180840 May 23 2018 qxl_drv.so -rw-r--r-- 1 root root 514336 Sep 18 03:54 radeon_drv.so -rw-r--r-- 1 root root 31784 Aug 18 06:42 vesa_drv.so -rw-r--r-- 1 root root 170168 May 28 00:57 vmware_drv.so sysop@x1904:~$ Mind you, I do not know, but seems logical the nvidia_drv.so should be pointed to. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1803275 Title: nvidia-kernel-source-390 390.87-0ubuntu2: nvidia kernel module failed to build [error: implicit declaration of function ‘drm_connector_attach_encoder’] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-390/+bug/1803275/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs