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
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https://bugs.launchpad.net/bugs/1892290
Title:
PXE load Focal initrd.img-5.4.0-42-generic always timeout
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