This bug was fixed in the package kexec-tools - 1:2.0.14-1ubuntu2
---------------
kexec-tools (1:2.0.14-1ubuntu2) zesty; urgency=medium
[ Manoj Iyer ]
* Enable compressed kernel support for ARM64 (LP: #1661363).
[ dann frazier ]
* ppc64-Reduce-number-of-ELF-LOAD-segments.patch: Cherry-pick
from upstream, fixing kexec on some large memory configurations
(LP: #1661168).
-- dann frazier <da...@ubuntu.com> Fri, 03 Feb 2017 14:49:31 -0700
** Changed in: kexec-tools (Ubuntu)
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1661363
Title:
Fails to load compressed kernels on arm64
Status in kexec-tools package in Ubuntu:
Fix Released
Status in kexec-tools source package in Xenial:
New
Status in kexec-tools source package in Yakkety:
New
Bug description:
[Impact]
kexec-tools will not load a compressed kernel on arm64. Ubuntu ships
compressed kernel images on arm64 starting with 16.10 (and hwe kernels for
16.04). A workaround is to manually decompress the kernel before loading it,
but this is not supported by the use-kexec-for-reboot-by-default feature of the
kexec-tools package.
[Test Case]
ubuntu@ubuntu:~$ sudo file /boot/vmlinuz-4.9.0-15-generic
/boot/vmlinuz-4.9.0-15-generic: gzip compressed data, max compression, from
Unix
ubuntu@ubuntu:~$ sudo kexec -d -l /boot/vmlinuz-4.9.0-15-generic -t Image
arch_process_options:141: command_line: (null)
arch_process_options:143: initrd: (null)
arch_process_options:144: dtb: (null)
kernel: 0xffff8ff61010 kernel_size: 0x6ee18b
get_memory_ranges_iomem_cb: 0000000040000000 - 00000000ffffbfff : System RAM
get_memory_ranges_iomem_cb: 0000000100000000 - 000000013858ffff : System RAM
get_memory_ranges_iomem_cb: 0000000138750000 - 000000013bc1ffff : System RAM
get_memory_ranges_iomem_cb: 000000013c000000 - 000000013fffffff : System RAM
image_arm64_probe: Bad arm64 image header.
elf_arm64_probe: Not an ELF executable.
image_arm64_probe: Bad arm64 image header.
Cannot determine the file type of /boot/vmlinuz-4.9.0-15-generic
[Regression Risk]
kexec-tools did not support arm64 until zesty so, assuming the fix is
localized to arm64 code, regression risk is negligible.
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