Public bug reported: PXE booting Focal initrd always gets a timeout, but PXE booting Bionic initrd works error: timeout reading `initrd.img-5.4.0-42-generic'.
grub.cfg -------- menuentry "boot_iscsi" { linux vmlinuz-5.4.0-42-generic ... initrd initrd.img-5.4.0-42-generic } grub, kernel and initrd get from Focal boot dir $ cp /usr/lib/grub/arm64-efi-signed/grubnetaa64.efi.signed ~/tftproot/grubaa64.efi $ cp /boot/vmlinuz-5.4.0-42-generic ~/tftproot/ $ cp /boot/initrd.img-5.4.0-42-generic ~/tftproot/ hardware -------- Real aarch64 server or qemu-system-aarch64 machine software -------- $ apt search grub-efi-arm64 Sorting... Done Full Text Search... Done grub-efi-arm64/focal-updates,focal-security,now 2.04-1ubuntu26.2 arm64 [installed] GRand Unified Bootloader, version 2 (ARM64 UEFI version) grub-efi-arm64-bin/focal-updates,focal-security,now 2.04-1ubuntu26.2 arm64 [installed,automatic] GRand Unified Bootloader, version 2 (ARM64 UEFI modules) grub-efi-arm64-dbg/focal-updates,focal-security 2.04-1ubuntu26.2 arm64 GRand Unified Bootloader, version 2 (ARM64 UEFI debug files) grub-efi-arm64-signed/focal-updates,focal-security,now 1.142.4+2.04-1ubuntu26.2 arm64 [installed] GRand Unified Bootloader, version 2 (EFI-ARM64 version, signed) grub-efi-arm64-signed-template/focal-updates,focal-security 2.04-1ubuntu26.2 arm64 GRand Unified Bootloader, version 2 (ARM64 UEFI signing template) $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 20.04 LTS Release: 20.04 Codename: focal $ uname -a Linux j12-d05-07 5.4.0-42-generic #1 SMP Tue Jul 7 02:48:00 GMT 2020 aarch64 aarch64 aarch64 GNU/Linux ** Affects: grub2 (Ubuntu) Importance: Undecided Status: New ** Affects: initramfs-tools (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1892290 Title: PXE load Focal initrd.img-5.4.0-42-generic always timeout To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1892290/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs