Re: 4.17.x won't boot due to "x86/boot/compressed/64: Handle 5-level paging boot if kernel is above 4G"

[Gabriel C]

2018-07-01 23:32 GMT+02:00 Benjamin Gilbert <bgilbert@xxxxxxxxxx>:
> On Sun, Jul 01, 2018 at 05:15:59PM -0400, Benjamin Gilbert wrote:
>> 4.17 kernels built with the CoreOS Container Linux toolchain and kconfig,
>> up to and including 4.17.3, fail to boot on AMD64 running in (at least)
>> QEMU/KVM.  No messages are shown post-GRUB; the VM instantly reboots.
>> Reverting commit 194a9749c73d ("x86/boot/compressed/64: Handle 5-level
>> paging boot if kernel is above 4G") fixes it.  I've attached our kernel
>> config for reference, and am happy to test patches, provide sample QCOW
>> images, etc.
>

Also see https://bugzilla.kernel.org/show_bug.cgi?id=200385 ,

0a1756bd2897951c03c1cb671bdfd40729ac2177 is acting up
too with the same symptoms

BR