Hi, i purged linux 5.4.19-1 and installed from scratch: <<<-------------------------------------------------------------
● apt install linux-image-5.4.0-4-amd64-unsigned linux-headers-5.4.0-4-amd64 Reading package lists... Done Building dependency tree Reading state information... Done The following additional packages will be installed: linux-headers-5.4.0-4-common (5.4.19-1) linux-kbuild-5.4 (5.4.19-1) Suggested packages: linux-doc-5.4 (5.4.19-1) debian-kernel-handbook (1.0.19) The following NEW packages will be installed: linux-headers-5.4.0-4-amd64 (5.4.19-1) linux-headers-5.4.0-4-common (5.4.19-1) linux-image-5.4.0-4-amd64-unsigned (5.4.19-1) linux-kbuild-5.4 (5.4.19-1) 0 upgraded, 4 newly installed, 0 to remove and 1 not upgraded. Need to get 0 B/57.4 MB of archives. After this operation, 333 MB of additional disk space will be used. Do you want to continue? [Y/n] Selecting previously unselected package linux-headers-5.4.0-4-common. (Reading database ... 267753 files and directories currently installed.) Preparing to unpack .../linux-headers-5.4.0-4-common_5.4.19-1_all.deb ... Unpacking linux-headers-5.4.0-4-common (5.4.19-1) ... Selecting previously unselected package linux-kbuild-5.4. Preparing to unpack .../linux-kbuild-5.4_5.4.19-1_amd64.deb ... Unpacking linux-kbuild-5.4 (5.4.19-1) ... Selecting previously unselected package linux-headers-5.4.0-4-amd64. Preparing to unpack .../linux-headers-5.4.0-4-amd64_5.4.19-1_amd64.deb ... Unpacking linux-headers-5.4.0-4-amd64 (5.4.19-1) ... Selecting previously unselected package linux-image-5.4.0-4-amd64-unsigned. Preparing to unpack .../linux-image-5.4.0-4-amd64-unsigned_5.4.19-1_amd64.deb ... Unpacking linux-image-5.4.0-4-amd64-unsigned (5.4.19-1) ... Setting up linux-headers-5.4.0-4-common (5.4.19-1) ... Setting up linux-kbuild-5.4 (5.4.19-1) ... Setting up linux-image-5.4.0-4-amd64-unsigned (5.4.19-1) ... depmod: ERROR: ../libkmod/libkmod.c:515 lookup_builtin_file() could not open builtin file '/lib/modules/5.4.0-4-amd64/modules.builtin.bin' depmod: ERROR: ../libkmod/libkmod.c:515 lookup_builtin_file() could not open builtin file '/lib/modules/5.4.0-4-amd64/modules.builtin.bin' depmod: ERROR: ../libkmod/libkmod.c:515 lookup_builtin_file() could not open builtin file '/lib/modules/5.4.0-4-amd64/modules.builtin.bin' depmod: ERROR: ../libkmod/libkmod.c:515 lookup_builtin_file() could not open builtin file '/lib/modules/5.4.0-4-amd64/modules.builtin.bin' depmod: ERROR: ../libkmod/libkmod.c:515 lookup_builtin_file() could not open builtin file '/lib/modules/5.4.0-4-amd64/modules.builtin.bin' depmod: ERROR: ../libkmod/libkmod.c:515 lookup_builtin_file() could not open builtin file '/lib/modules/5.4.0-4-amd64/modules.builtin.bin' depmod: ERROR: ../libkmod/libkmod.c:515 lookup_builtin_file() could not open builtin file '/lib/modules/5.4.0-4-amd64/modules.builtin.bin' depmod: ERROR: ../libkmod/libkmod.c:515 lookup_builtin_file() could not open builtin file '/lib/modules/5.4.0-4-amd64/modules.builtin.bin' depmod: ERROR: ../libkmod/libkmod.c:515 lookup_builtin_file() could not open builtin file '/lib/modules/5.4.0-4-amd64/modules.builtin.bin' depmod: ERROR: ../libkmod/libkmod.c:515 lookup_builtin_file() could not open builtin file '/lib/modules/5.4.0-4-amd64/modules.builtin.bin' depmod: ERROR: ../libkmod/libkmod.c:515 lookup_builtin_file() could not open builtin file '/lib/modules/5.4.0-4-amd64/modules.builtin.bin' depmod: ERROR: ../libkmod/libkmod.c:515 lookup_builtin_file() could not open builtin file '/lib/modules/5.4.0-4-amd64/modules.builtin.bin' depmod: ERROR: ../libkmod/libkmod.c:515 lookup_builtin_file() could not open builtin file '/lib/modules/5.4.0-4-amd64/modules.builtin.bin' . . several screenfull more same line . I: /vmlinuz is now a symlink to boot/vmlinuz-5.4.0-4-amd64 I: /initrd.img is now a symlink to boot/initrd.img-5.4.0-4-amd64 /etc/kernel/postinst.d/dkms: dkms: running auto installation service for kernel 5.4.0-4-amd64: Kernel preparation unnecessary for this kernel. Skipping... Building module: cleaning build area... make -j2 KERNELRELEASE=5.4.0-4-amd64 -C /lib/modules/5.4.0-4-amd64/build M=/var/lib/dkms/dpdk-igb-uio/18.11.5/build MODULE_CFLAGS='-I/usr/include/x86_64-linux-gnu/dpdk -include /usr/include/x86_64-linux-gnu/dpdk/rte_config.h -I/usr/include/dpdk -fno-PIE' modules... cleaning build area... DKMS: build completed. igb_uio.ko: Running module version sanity check. - Original module - No original module exists within this kernel - Installation - Installing to /lib/modules/5.4.0-4-amd64/updates/dkms/ depmod... DKMS: install completed. Kernel preparation unnecessary for this kernel. Skipping... Building module: cleaning build area... make -j2 KERNELRELEASE=5.4.0-4-amd64 -C /lib/modules/5.4.0-4-amd64/build M=/var/lib/dkms/dpdk-rte-kni/18.11.5/build src=/usr/src/dpdk-rte-kni-18.11.5 MODULE_CFLAGS='-I/usr/include/x86_64-linux-gnu/dpdk -include /usr/include/x86_64-linux-gnu/dpdk/rte_config.h -I/usr/include/dpdk -I/usr/src/dpdk-rte-kni-18.11.5/ethtool/ixgbe -I/usr/src/dpdk-rte-kni-18.11.5/ethtool/igb -I/usr/src/dpdk-rte-kni-18.11.5 -fno-PIE' modules........ cleaning build area... DKMS: build completed. rte_kni.ko: Running module version sanity check. - Original module - No original module exists within this kernel - Installation - Installing to /lib/modules/5.4.0-4-amd64/updates/dkms/ depmod... DKMS: install completed. . /etc/kernel/postinst.d/initramfs-tools: update-initramfs: Generating /boot/initrd.img-5.4.0-4-amd64 WARNING: Unknown X keysym "dead_belowmacron" WARNING: Unknown X keysym "dead_belowmacron" WARNING: Unknown X keysym "dead_belowmacron" WARNING: Unknown X keysym "dead_belowmacron" /etc/kernel/postinst.d/zz-update-grub: Generating grub configuration file ... Found background image: /usr/share/images/desktop-base/desktop-grub.png Found linux image: /boot/vmlinuz-5.4.0-4-amd64 Found initrd image: /boot/initrd.img-5.4.0-4-amd64 Found linux image: /boot/vmlinuz-4.19.0-8-amd64 Found initrd image: /boot/initrd.img-4.19.0-8-amd64 done Setting up linux-headers-5.4.0-4-amd64 (5.4.19-1) ... /etc/kernel/header_postinst.d/dkms: dkms: running auto installation service for kernel 5.4.0-4-amd64:. >>>------------------------------------------------------------- # l /lib/modules/5.4.0-4-amd64/ total 4,5M drwxr-xr-x 12 root root 4,0K 2020-02-24 18:40 kernel drwxr-xr-x 3 root root 4,0K 2020-02-24 18:40 updates lrwxrwxrwx 1 root root 36 2020-02-13 06:14 build -> /usr/src/linux-headers-5.4.0-4-amd64 -rw-r--r-- 1 root root 1,1M 2020-02-24 18:41 modules.alias -rw-r--r-- 1 root root 1,1M 2020-02-24 18:41 modules.alias.bin -rw-r--r-- 1 root root 4,7K 2020-02-13 06:14 modules.builtin -rw-r--r-- 1 root root 13K 2020-02-24 18:41 modules.builtin.alias.bin -rw-r--r-- 1 root root 6,0K 2020-02-24 18:41 modules.builtin.bin -rw-r--r-- 1 root root 31K 2020-02-13 06:14 modules.builtin.modinfo -rw-r--r-- 1 root root 434K 2020-02-24 18:41 modules.dep -rw-r--r-- 1 root root 590K 2020-02-24 18:41 modules.dep.bin -rw-r--r-- 1 root root 476 2020-02-24 18:41 modules.devname -rw-r--r-- 1 root root 138K 2020-02-13 06:14 modules.order -rw-r--r-- 1 root root 786 2020-02-24 18:41 modules.softdep -rw-r--r-- 1 root root 512K 2020-02-24 18:41 modules.symbols -rw-r--r-- 1 root root 631K 2020-02-24 18:41 modules.symbols.bin lrwxrwxrwx 1 root root 37 2020-02-13 06:14 source -> /usr/src/linux-headers-5.4.0-4-common on an other machine linux 5.4.19-1 is installed and runs fine. Update there has been so time ago, can't remember if there were also those: depmod: ERROR: ../libkmod/libkmod.c:515 lookup_builtin_file() could not open builtin file '/lib/modules/5.4.0-4-amd64/modules.builtin.bin' lines. This 2nd machine is also amd64. regards TS