Public bug reported:

When trying to boot 4.4.0-130.156 via pvgrub I get the following
message:

error: premature end of file /boot/vmlinuz-4.4.0-130-generic.
alloc magic is broken at 0xfefb2b40: fedd3920
Aborted. Press any key to exit.


Previous kernels (e.g. 4.4.0-127.153) boot normally, as does any kernel when 
booted directly by specifying its kernel, ramdisk, and options in the xen domU 
configuration file.

Ubuntu release: Ubuntu 16.04.4 LTS

Package versions (on dom0):

grub-common 2.02~beta2-36ubuntu3.18
grub-pc 2.02~beta2-36ubuntu3.18
grub-xen-bin 2.02~beta2-36ubuntu3.18
grub-pc-bin 2.02~beta2-36ubuntu3.18
grub-xen-host 2.02~beta2-36ubuntu3.18
grub-common 2.02~beta2-36ubuntu3.18
grub2-common 2.02~beta2-36ubuntu3.18

libxen-4.6:amd64 4.6.5-0ubuntu1.4
libxenstore3.0:amd64 4.6.5-0ubuntu1.4
xen-hypervisor-4.6-amd64 4.6.5-0ubuntu1.4
xen-utils-4.6 4.6.5-0ubuntu1.4
xen-utils-common 4.6.5-0ubuntu1.4
xenstore-utils 4.6.5-0ubuntu1.4

Package versions on domU:

linux-generic                       4.4.0.130.136
linux-headers-4.4.0-127-generic     4.4.0-127.153 
linux-headers-4.4.0-130-generic     4.4.0-130.156
linux-headers-generic               4.4.0.130.136
linux-image-4.4.0-127-generic       4.4.0-127.153
linux-image-4.4.0-130-generic       4.4.0-130.156 
linux-image-extra-4.4.0-127-generic 4.4.0-127.153 
linux-image-extra-4.4.0-130-generic 4.4.0-130.156
linux-image-generic                 4.4.0.130.136

The root filesystem (containing /boot) on the domU is ext4.

I've attached the xen domain configuration from the dom0 and the
grub.cfg from the domU

** Affects: grub2 (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "xen domain config"
   
https://bugs.launchpad.net/bugs/1780098/+attachment/5159646/+files/osdgrubtest.cfg

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https://bugs.launchpad.net/bugs/1780098

Title:
  pvgrub "premature end of file" on new kernel

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