Public bug reported:
Background:
I'm testing migration of our KVM guests from a server running on 16.04
to a server running on 18.04.
Issue:
In all RHEL4-based guests tested, ACPI is not being loaded. dmesg log
contains the following:
ACPI-0307: *** Error: ns_search_and_enter: Bad character in ACPI Name:
2E5C1502
ACPI-0292: *** Error: Looking up [0x2E5C1502] (NON-ASCII) in namespace,
AE_BAD_CHARACTER
ACPI-1134: *** Error: [NULL NAME], AE_BAD_CHARACTER
ACPI-0125: *** Error: acpi_load_tables: Could not load namespace:
AE_BAD_CHARACTER
ACPI-0134: *** Error: acpi_load_tables: Could not load tables:
AE_BAD_CHARACTER
ACPI: Unable to load the System Description Tables
The VMs will continue to boot up and run fine. But since ACPI is not
running properly, the VMs do not completely shutdown when powering off.
Issuing virsh shutdown <vm name> on the host also doesn't work because
of this situation.
I have tested this on 2 different machine: my work desktop and a bare
metal instance in Oracle Cloud. Both are running 18.04 with latest
updates.
** Affects: kvm (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1845290
Title:
ACPI issue with RHEL4 guest VM's
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