Hi all,
kexec on arm64 is broken in v4.8.y because in /proc/iomem "nomap"
regions, like UEFI runtime services code/data, are marked as "System RAM".
On seattle this leads to the fact, that kexec from kexec-tools loads the
kernel and the initrd in a memory region which should be ""reserved".
This breaks kexec on the system.
commit
e7cd190385d1 ("arm64: mark reserved memblock regions explicitly in iomem")
Fixes this and should be added to v4.8 stable tree.
Thanks,
Matthias
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