Ubuntu
linux package

  1. Bug #1662554
  2. Comment #1

Comment 1 for bug 1662554

Revision history for this message
Manoj Iyer (manjo) wrote : Re: [Yakkety] Enable KEXEC support in ARM64

[Testing]

== Build & Install kernel and kexec-tools ==
Built kexec-tools with patches needed for ARM64 support, and built a 4.8.0-38 Yakkety kernel with CONFIG_KEXEC and CONFIG_KEXEC_CORE set to Y.

ubuntu@test:~$ cat /etc/issue
Ubuntu 16.10 \n \l
ubuntu@test:~$

ubuntu@test:~$ dpkg -l | grep kexec-tools
ii kexec-tools 1:2.0.10-2ubuntu1.1 arm64 tools to support fast kexec reboots
ubuntu@test:~$

ubuntu@test:~$ sudo file /boot/vmlinuz-4.8.0-38-generic
/boot/vmlinuz-4.8.0-38-generic: gzip compressed data, max compression, from Unix
ubuntu@test:~$

== Load kexec kernel ==
ubuntu@test:~$ sudo kexec -l /boot/vmlinuz-4.8.0-38-generic --initrd=/boot/initrd.img-4.8.0-38-generic --append="root=LABEL=cloudimg-rootfs vt.handoff=7"
ubuntu@test:~$

== Initiate kexec ==
ubuntu@test:~$ sudo kexec -e
ubuntu@test:~$

== Successful boot ==
test login: [ 66.553187] kexec_core: Starting new kernel
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 4.8.0-38-generic (manjo@tangerine) (gcc version 6.2.0 20161005 (Ubuntu 6.2.0-5ubuntu12) ) #40ubuntu1 SMP Mon Feb 6 21:55:35 UTC 2017 (Ubuntu 4.8.0-38.40ubuntu1-generic 4.8.17)
[ 0.000000] Boot CPU: AArch64 Processor [510f8000]
[ 0.000000] efi: Getting EFI parameters from FDT:
[ 0.000000] efi: EFI v2.50 by EDK II
[ 0.000000] efi: SMBIOS=0x5bdb0000 SMBIOS 3.0=0x58660000 PROP=0x5f714518 ACPI=0x58690000 ACPI 2.0=0x58690014