$ sudo apt install linux-xilinx-zynqmp flash-kernel [sudo] password for ubuntu: Reading package lists... Done Building dependency tree... Done Reading state information... Done The following additional packages will be installed: linux-headers-5.15.0-1018-xilinx-zynqmp linux-headers-xilinx-zynqmp linux-image-5.15.0-1018-xilinx-zynqmp linux-image-xilinx-zynqmp linux-modules-5.15.0-1018-xilinx-zynqmp linux-xilinx-zynqmp-headers-5.15.0-1018 Suggested packages: fdutils linux-doc | linux-xilinx-zynqmp-source-5.15.0 linux-xilinx-zynqmp-tools linux-modules-extra-5.15.0-1018-xilinx-zynqmp The following NEW packages will be installed: linux-headers-5.15.0-1018-xilinx-zynqmp linux-image-5.15.0-1018-xilinx-zynqmp linux-modules-5.15.0-1018-xilinx-zynqmp linux-xilinx-zynqmp-headers-5.15.0-1018 The following packages will be upgraded: flash-kernel linux-headers-xilinx-zynqmp linux-image-xilinx-zynqmp linux-xilinx-zynqmp 4 upgraded, 4 newly installed, 0 to remove and 76 not upgraded. Need to get 46.3 kB/111 MB of archives. After this operation, 523 MB of additional disk space will be used. Do you want to continue? [Y/n] y Get:1 https://ppa.launchpadcontent.net/ethan.hsieh/sru-test/ubuntu lunar/main arm64 flash-kernel arm64 3.106ubuntu12test1 [46.3 kB] Fetched 46.3 kB in 2s (26.8 kB/s) Preconfiguring packages ... (Reading database ... 179084 files and directories currently installed.) Preparing to unpack .../0-flash-kernel_3.106ubuntu12test1_arm64.deb ... Unpacking flash-kernel (3.106ubuntu12test1) over (3.104ubuntu14) ... Selecting previously unselected package linux-xilinx-zynqmp-headers-5.15.0-1018. Preparing to unpack .../1-linux-xilinx-zynqmp-headers-5.15.0-1018_5.15.0-1018.20_all.deb ... Unpacking linux-xilinx-zynqmp-headers-5.15.0-1018 (5.15.0-1018.20) ... Selecting previously unselected package linux-headers-5.15.0-1018-xilinx-zynqmp. Preparing to unpack .../2-linux-headers-5.15.0-1018-xilinx-zynqmp_5.15.0-1018.20_arm64.deb ... Unpacking linux-headers-5.15.0-1018-xilinx-zynqmp (5.15.0-1018.20) ... Selecting previously unselected package linux-modules-5.15.0-1018-xilinx-zynqmp. Preparing to unpack .../3-linux-modules-5.15.0-1018-xilinx-zynqmp_5.15.0-1018.20_arm64.deb ... Unpacking linux-modules-5.15.0-1018-xilinx-zynqmp (5.15.0-1018.20) ... Selecting previously unselected package linux-image-5.15.0-1018-xilinx-zynqmp. Preparing to unpack .../4-linux-image-5.15.0-1018-xilinx-zynqmp_5.15.0-1018.20_arm64.deb ... Unpacking linux-image-5.15.0-1018-xilinx-zynqmp (5.15.0-1018.20) ... Preparing to unpack .../5-linux-xilinx-zynqmp_5.15.0.1018.19_arm64.deb ... Unpacking linux-xilinx-zynqmp (5.15.0.1018.19) over (5.15.0.1015.16) ... Preparing to unpack .../6-linux-image-xilinx-zynqmp_5.15.0.1018.19_arm64.deb ... Unpacking linux-image-xilinx-zynqmp (5.15.0.1018.19) over (5.15.0.1015.16) ... Preparing to unpack .../7-linux-headers-xilinx-zynqmp_5.15.0.1018.19_arm64.deb ... Unpacking linux-headers-xilinx-zynqmp (5.15.0.1018.19) over (5.15.0.1015.16) ... Setting up flash-kernel (3.106ubuntu12test1) ... Installing new version of config file /etc/flash-kernel/bootscript/bootscr.uboot-generic ... Installing new version of config file /etc/flash-kernel/bootscript/bootscr.zynqmp ... flash-kernel: deferring update (trigger activated) Setting up linux-xilinx-zynqmp-headers-5.15.0-1018 (5.15.0-1018.20) ... Setting up linux-headers-5.15.0-1018-xilinx-zynqmp (5.15.0-1018.20) ... Setting up linux-headers-xilinx-zynqmp (5.15.0.1018.19) ... Setting up linux-image-5.15.0-1018-xilinx-zynqmp (5.15.0-1018.20) ... I: /boot/vmlinuz is now a symlink to vmlinuz-5.15.0-1018-xilinx-zynqmp I: /boot/initrd.img is now a symlink to initrd.img-5.15.0-1018-xilinx-zynqmp Setting up linux-image-xilinx-zynqmp (5.15.0.1018.19) ... Setting up linux-modules-5.15.0-1018-xilinx-zynqmp (5.15.0-1018.20) ... Setting up linux-xilinx-zynqmp (5.15.0.1018.19) ... Processing triggers for initramfs-tools (0.140ubuntu13) ... initramfs-tools: update-initramfs -u update-initramfs: Generating /boot/initrd.img-5.15.0-1015-xilinx-zynqmp W: Possible missing firmware /lib/firmware/r8a779x_usb3_v3.dlmem for built-in driver xhci_plat_hcd W: Possible missing firmware /lib/firmware/r8a779x_usb3_v2.dlmem for built-in driver xhci_plat_hcd W: Possible missing firmware /lib/firmware/r8a779x_usb3_v1.dlmem for built-in driver xhci_plat_hcd W: Possible missing firmware /lib/firmware/xc3028L-v36.fw for built-in driver tuner_xc2028 W: Possible missing firmware /lib/firmware/xc3028-v27.fw for built-in driver tuner_xc2028 W: Possible missing firmware /lib/firmware/dvb-fe-xc5000c-4.1.30.7.fw for built-in driver xc5000 W: Possible missing firmware /lib/firmware/dvb-fe-xc5000-1.6.114.fw for built-in driver xc5000 W: Possible missing firmware /lib/firmware/dvb-fe-xc4000-1.4.fw for built-in driver xc4000 W: Possible missing firmware /lib/firmware/dvb-fe-xc4000-1.4.1.fw for built-in driver xc4000 Ignoring old or unknown version 5.15.0-1015-xilinx-zynqmp (latest is 5.15.0-1018-xilinx-zynqmp) Processing triggers for man-db (2.10.2-1) ... Processing triggers for flash-kernel (3.106ubuntu12test1) ... flash-kernel: installing version 5.15.0-1018-xilinx-zynqmp flash-kernel: Initrd required for FIT method missing; expecting future run Processing triggers for linux-image-5.15.0-1018-xilinx-zynqmp (5.15.0-1018.20) ... /etc/kernel/postinst.d/initramfs-tools: W: initramfs-tools: linux-image-5.15.0-1018-xilinx-zynqmp passes a version number: 5.15.0-1018-xilinx-zynqmp initramfs-tools: update-initramfs -c -k 5.15.0-1018-xilinx-zynqmp -b /boot update-initramfs: Generating /boot/initrd.img-5.15.0-1018-xilinx-zynqmp W: Possible missing firmware /lib/firmware/r8a779x_usb3_v3.dlmem for built-in driver xhci_plat_hcd W: Possible missing firmware /lib/firmware/r8a779x_usb3_v2.dlmem for built-in driver xhci_plat_hcd W: Possible missing firmware /lib/firmware/r8a779x_usb3_v1.dlmem for built-in driver xhci_plat_hcd W: Possible missing firmware /lib/firmware/xc3028L-v36.fw for built-in driver tuner_xc2028 W: Possible missing firmware /lib/firmware/xc3028-v27.fw for built-in driver tuner_xc2028 W: Possible missing firmware /lib/firmware/dvb-fe-xc5000c-4.1.30.7.fw for built-in driver xc5000 W: Possible missing firmware /lib/firmware/dvb-fe-xc5000-1.6.114.fw for built-in driver xc5000 W: Possible missing firmware /lib/firmware/dvb-fe-xc4000-1.4.fw for built-in driver xc4000 W: Possible missing firmware /lib/firmware/dvb-fe-xc4000-1.4.1.fw for built-in driver xc4000 flash-kernel: deferring update (trigger activated) /etc/kernel/postinst.d/zz-flash-kernel: flash-kernel: deferring update (trigger activated) Processing triggers for flash-kernel (3.106ubuntu12test1) ... flash-kernel: installing version 5.15.0-1018-xilinx-zynqmp Couldn't find DTB on the following paths: /etc/flash-kernel/dtbs /usr/lib/linux-image-5.15.0-1018-xilinx-zynqmp /lib/firmware/5.15.0-1018-xilinx-zynqmp/device-tree/ Generating u-boot image... done. Taking backup of image.fit. Installing new image.fit. Generating boot script u-boot image... done. Taking backup of boot.scr.uimg. Installing new boot.scr.uimg. Scanning processes... Scanning processor microcode... Scanning linux images... Failed to check for processor microcode upgrades. No services need to be restarted. No containers need to be restarted. No user sessions are running outdated binaries. No VM guests are running outdated hypervisor (qemu) binaries on this host.