I tried: cd /usr/src/linux-headers-5.8.0-25-generic sudo make oldconfig
YACC scripts / kconfig / parser.tab. [Ch] HOSTCC scripts / kconfig / lexer.lex.o HOSTCC scripts / kconfig / parser.tab.o HOSTCC scripts / kconfig / preprocess.o HOSTCC scripts / kconfig / symbol.o HOSTCC scripts / kconfig / util.o HOSTLD scripts / kconfig / conf scripts / kconfig / conf --oldconfig Kconfig # # configuration written to .config # And later: sudo make prepare scripts / kconfig / conf --syncconfig Kconfig make [1]: *** There is no rule to build the target 'arch / x86 / tools / relocs_32.c', necessary for 'arch / x86 / tools / relocs_32.o'. High. make: *** [arch / x86 / Makefile: 211: archscripts] Error 2 Is it here the bug? -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to nvidia-graphics-drivers-340 in Ubuntu. https://bugs.launchpad.net/bugs/1901196 Title: kernel module failed to build [ Bad return status for module build on kernel: 5.8.0-25-generic (x86_64)] Status in nvidia-graphics-drivers-340 package in Ubuntu: Confirmed Bug description: While installing Nvidia-340 driver, I am getting the following error. Setting up nvidia-340 (340.108-0ubuntu5) ... dpkg: error: version '-' has bad syntax: revision number is empty dpkg: error: version '-' has bad syntax: revision number is empty dpkg: error: version '-' has bad syntax: revision number is empty update-initramfs: deferring update (trigger activated) INFO:Enable nvidia-340 DEBUG:Parsing /usr/share/ubuntu-drivers-common/quirks/lenovo_thinkpad DEBUG:Parsing /usr/share/ubuntu-drivers-common/quirks/put_your_quirks_here DEBUG:Parsing /usr/share/ubuntu-drivers-common/quirks/dell_latitude Removing old nvidia-340-340.108 DKMS files... Loading new nvidia-340-340.108 DKMS files... Building for 5.8.0-25-generic Building for architecture x86_64 Building initial module for 5.8.0-25-generic Error! Bad return status for module build on kernel: 5.8.0-25-generic (x86_64) Consult /var/lib/dkms/nvidia-340/340.108/build/make.log for more information. dpkg: error processing package nvidia-340 (--configure): installed nvidia-340 package post-installation script subprocess returned error exit status 10 Processing triggers for libc-bin (2.32-0ubuntu3) ... Processing triggers for initramfs-tools (0.137ubuntu12) ... update-initramfs: Generating /boot/initrd.img-5.8.0-25-generic Errors were encountered while processing: nvidia-340 E: Sub-process /usr/bin/dpkg returned an error code (1) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-340/+bug/1901196/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp