[AMD64 regression testing]
[Testing with stock Yakkety kernel & kexec-tools]

ubuntu@test:~$ sudo file /boot/vmlinuz-4.8.0-30-generic 
/boot/vmlinuz-4.8.0-30-generic: Linux kernel x86 boot executable bzImage, 
version 4.8.0-30-generic (buildd@lcy01-08) #32-Ubuntu SMP Fri Dec 2 03:, 
RO-rootFS, swap_dev 0x7, Normal VGA
ubuntu@test:~$ 

ubuntu@test:~$ dpkg -l | grep kexec-tools
ii  kexec-tools                                1:2.0.10-2ubuntu1                
             amd64        tools to support fast kexec reboots
ubuntu@test:~$ 

ubuntu@test:~$ sudo kexec -l /boot/vmlinuz-4.8.0-30-generic 
--initrd=/boot/initrd.img-4.8.0-30-generic --append="root=LABEL=cloudimg-rootfs 
console=ttyS0"
ubuntu@test:~$ sudo kexec -e 

test login: [  212.930357] kexec_core: Starting new kernel
[    0.000000] Linux version 4.8.0-30-generic (buildd@lcy01-08) (gcc version 
6.2.0 20161005 (Ubuntu 6.2.0-5ubuntu12) ) #32-Ubuntu SMP Fri Dec 2 03:43:27 UTC 
2016 (Ubuntu 4.8.0-30.32-generic 4.8.6)
[    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-4.8.0-30-generic 
root=LABEL=cloudimg-rootfs console=ttyS0
[    0.000000] KERNEL supported cpus:
[    0.000000]   Intel GenuineIntel
[    0.000000]   AMD AuthenticAMD
[    0.000000]   Centaur CentaurHauls
[    0.000000] x86/fpu: Legacy x87 FPU detected.
[    0.000000] x86/fpu: Using 'eager' FPU context switches.
[    0.000000] e820: BIOS-provided physical RAM map:

[Testing with patched kexec-tools]

== Build & Install patched kexec-tools ==
ubuntu@test:~/kexec$ dpkg -l | grep kexec-tools
ii  kexec-tools                                1:2.0.10-2ubuntu1.1              
             amd64        tools to support fast kexec reboots
ubuntu@test:~/kexec$ 

ubuntu@test:~/kexec$ sudo file /boot/vmlinuz-4.8.0-30-generic 
/boot/vmlinuz-4.8.0-30-generic: Linux kernel x86 boot executable bzImage, 
version 4.8.0-30-generic (buildd@lcy01-08) #32-Ubuntu SMP Fri Dec 2 03:, 
RO-rootFS, swap_dev 0x7, Normal VGA
ubuntu@test:~/kexec$

ubuntu@test:~/kexec$ sudo kexec -l /boot/vmlinuz-4.8.0-30-generic 
--initrd=/boot/initrd.img-4.8.0-30-generic --append="root=LABEL=cloudimg-rootfs 
console=ttyS0"
ubuntu@test:~/kexec$ sudo kexec -e 

== Kernel live boots successfully ==
Ubuntu 16.10 test ttyS0

test login: [  377.524693] kexec_core: Starting new kernel
[    0.000000] Linux version 4.8.0-30-generic (buildd@lcy01-08) (gcc version 
6.2.0 20161005 (Ubuntu 6.2.0-5ubuntu12) ) #32-Ubuntu SMP Fri Dec 2 03:43:27 UTC 
2016 (Ubuntu 4.8.0-30.32-generic 4.8.6)
[    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-4.8.0-30-generic 
root=LABEL=cloudimg-rootfs console=ttyS0
[    0.000000] KERNEL supported cpus:
[    0.000000]   Intel GenuineIntel
[    0.000000]   AMD AuthenticAMD
[    0.000000]   Centaur CentaurHauls
[    0.000000] x86/fpu: Legacy x87 FPU detected.
[    0.000000] x86/fpu: Using 'eager' FPU context switches.
[    0.000000] e820: BIOS-provided physical RAM map:

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https://bugs.launchpad.net/bugs/1659618

Title:
  Enable ARM64 support in kexec-tools

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