Public bug reported:
A freshly upgraded amd64 system with Ubuntu 19.10 and Xen 4.9 won't boot
dom0. It fails with the attached screen (saying "Decoding failed
********** Panic on CPU 0: Could not set up DOM0 Guest OS").
The system booted fine before the upgrade from 19.04. Dom0 still boots
if kernel 5.0.0.32 (from Ubuntu 19.04) is selected in grub.
Release: Ubuntu 19.10
kernel: 5.3.0-19-generic (also verified with 5.3.0-21-generic from
eoan-proposed)
xen-system-amd64 version: 4.9.2-0ubuntu2
xen-utils-4.9 version: 4.9.2-0ubuntu2
** Affects: xen (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "Screenshot of error at boot"
https://bugs.launchpad.net/bugs/1851091/+attachment/5302394/+files/Screen%20Shot%202019-11-02%20at%2011.41.34%20PM.png
** Description changed:
- A fresh upgrade to Ubuntu 19.10 with Xen 4.9 won't boot dom0. It fails
- with the attached screen (saying "Decoding failed ********** Panic on
- CPU 0: Could not set up DOM0 Guest OS").
+ A freshly upgraded amd64 system with Ubuntu 19.10 and Xen 4.9 won't boot
+ dom0. It fails with the attached screen (saying "Decoding failed
+ ********** Panic on CPU 0: Could not set up DOM0 Guest OS").
The system booted fine before the upgrade from 19.04. Dom0 still boots
if kernel 5.0.0.32 (from Ubuntu 19.04) is selected in grub.
Release: Ubuntun 19.10
- kernel: 5.3.0-19-generic (also verified with 5.3.0-21-generic from
eoan-proposed)
+ kernel: 5.3.0-19-generic (also verified with 5.3.0-21-generic from
eoan-proposed)
xen-system-amd64 version: 4.9.2-0ubuntu2
xen-utils-4.9 version: 4.9.2-0ubuntu2
** Description changed:
A freshly upgraded amd64 system with Ubuntu 19.10 and Xen 4.9 won't boot
dom0. It fails with the attached screen (saying "Decoding failed
********** Panic on CPU 0: Could not set up DOM0 Guest OS").
The system booted fine before the upgrade from 19.04. Dom0 still boots
if kernel 5.0.0.32 (from Ubuntu 19.04) is selected in grub.
- Release: Ubuntun 19.10
+ Release: Ubuntu 19.10
kernel: 5.3.0-19-generic (also verified with 5.3.0-21-generic from
eoan-proposed)
xen-system-amd64 version: 4.9.2-0ubuntu2
xen-utils-4.9 version: 4.9.2-0ubuntu2
** Summary changed:
- Xen fails to boot dom0 with message "decoding failed" with dom0 5.3.x
+ Xen fails to boot dom0 with message "decoding failed" kernel 5.3
** Summary changed:
- Xen fails to boot dom0 with message "decoding failed" kernel 5.3
+ Xen fails to boot dom0 with message "decoding failed" with kernel 5.3
** Summary changed:
- Xen fails to boot dom0 with message "decoding failed" with kernel 5.3
+ Fresh Eoan upgrade fails to boot dom0 with message "decoding failed" (kernel
5.3.0)
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https://bugs.launchpad.net/bugs/1851091
Title:
Fresh Eoan upgrade fails to boot dom0 with message "decoding failed"
(kernel 5.3.0)
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