package:nvidia-dkms-390:390.48-0ubuntu3
Setting up nvidia-dkms-390 (390.48-0ubuntu3) ...
update-initramfs: deferring update (trigger activated)
INFO:Enable nvidia
DEBUG:Parsing /usr/share/ubuntu-drivers-common/quirks/dell_latitude
DEBUG:Parsing /usr/share/ubuntu-drivers-common/quirks/lenovo_thinkpad
DEBUG:Parsing /usr/share/ubuntu-drivers-common/quirks/put_your_quirks_here
Loading new nvidia-390.48 DKMS files...
Building for 4.15.0-20-generic
Building for architecture x86_64
Building initial module for 4.15.0-20-generic
Done.
Generating a new Secure Boot signing key:
Generating a 2048 bit RSA private key
........................................................................................+++
......................................................+++
writing new private key to '/var/lib/shim-signed/mok/MOK.priv'
-----

nvidia:
Running module version sanity check.
 - Original module
   - No original module exists within this kernel
 - Installation
   - Installing to /lib/modules/4.15.0-20-generic/updates/dkms/

nvidia-modeset.ko:
Running module version sanity check.
 - Original module
   - No original module exists within this kernel
 - Installation
   - Installing to /lib/modules/4.15.0-20-generic/updates/dkms/

nvidia-drm.ko:
Running module version sanity check.
 - Original module
   - No original module exists within this kernel
 - Installation
   - Installing to /lib/modules/4.15.0-20-generic/updates/dkms/

nvidia-uvm.ko:
Running module version sanity check.
 - Original module
   - No original module exists within this kernel
 - Installation
   - Installing to /lib/modules/4.15.0-20-generic/updates/dkms/

depmod.....(bad exit status: 135)

-------- Uninstall Beginning --------
Module:  nvidia
Version: 390.48
Kernel:  4.15.0-20-generic (x86_64)
-------------------------------------

Status: Before uninstall, this module version was ACTIVE on this kernel.

nvidia.ko:
 - Uninstallation
   - Deleting from: /lib/modules/4.15.0-20-generic/updates/dkms/
 - Original module
   - No original module was found for this module on this kernel.
   - Use the dkms install command to reinstall any previous module version.


nvidia-modeset.ko:
 - Uninstallation
   - Deleting from: /lib/modules/4.15.0-20-generic/updates/dkms/
 - Original module
   - No original module was found for this module on this kernel.
   - Use the dkms install command to reinstall any previous module version.


nvidia-drm.ko:
 - Uninstallation
   - Deleting from: /lib/modules/4.15.0-20-generic/updates/dkms/
 - Original module
   - No original module was found for this module on this kernel.
   - Use the dkms install command to reinstall any previous module version.


nvidia-uvm.ko:
 - Uninstallation
   - Deleting from: /lib/modules/4.15.0-20-generic/updates/dkms/
 - Original module
   - No original module was found for this module on this kernel.
   - Use the dkms install command to reinstall any previous module version.

depmod...(bad exit status: 135)

DKMS: uninstall completed.
Error! Problems with depmod detected.  Automatically uninstalling this module.
DKMS: Install Failed (depmod problems).  Module rolled back to built state.
dpkg: error processing package nvidia-dkms-390 (--configure):
 installed nvidia-dkms-390 package post-installation script subprocess returned error exit status 6