Bug#903767: Stretch kernel 4.9.110-1 boot-loops with Xen Hypervisor 4.8

From	"Michael J. Redd" <micredd@gmail.com>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#903767: Stretch kernel 4.9.110-1 boot-loops with Xen Hypervisor 4.8
Date	2018-07-14 15:50 +0200
Message-ID	<wbt5T-1Vi-1@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

Cross-posted to 2 groups.

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Package: linux-image-4.9.0-7-amd64
Version: 4.9.110-1

Description:
============

After installing the latest Stretch kernel, 4.9.110-1, on a server
running Xen Hypervisor 4.8, bootstrapping the kernel fails. GRUB loads
the hypervisor as normal, which then attempts to load the Dom0 kernel.
Once that process starts, the system simply reboots. Nothing is output
to the console after Xen does its thing (screen goes black), so I
cannot offer any insights into what the kernel may be doing before it
fails.

If I roll back to the previous Stretch kernel, linux-image-4.9.0-6-
amd64 (4.9.88-1+deb9u1), the hypervisor starts the Dom0 kernel as
normal and the system boots successfully.

Setup:
======

Xen Hypervisor version: 4.8.3+xsa267+shim4.10.1+xsa267-1+deb9u9
Kernel version: linux-image-4.9.0-7-amd64 (4.9.110-1)

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Bug#903767: Stretch kernel 4.9.110-1 boot-loops with Xen Hypervisor 4.8 "Michael J. Redd" <micredd@gmail.com> - 2018-07-14 15:50 +0200
  Bug#903767: Stretch kernel 4.9.110-1 boot-loops with Xen Hypervisor 4.8 "Michael J. Redd" <micredd@gmail.com> - 2018-07-14 16:40 +0200
    Bug#903767: Stretch kernel 4.9.110-1 boot-loops with Xen Hypervisor 4.8 Andy Smith <andy@strugglers.net> - 2018-07-14 17:30 +0200
  Bug#903767: 1adc34adc3447c34926994b87db5d929f5ab45b5 confirmed to fix the issue tmc <tmc@vandradlabs.com.au> - 2018-07-17 16:10 +0200
  Bug#903767: 1adc34adc3447c34926994b87db5d929f5ab45b5 confirmed to fix the issue TMC <tmciolek@gmail.com> - 2018-07-17 16:20 +0200

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