My Oracle Support Banner

OVM: "mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank #X." Entry In /var/log/dmesg and /var/log/messages (Doc ID 2797649.1)

Last updated on SEPTEMBER 22, 2021

Applies to:

Oracle VM - Version 3.4.5 to 3.4.6 [Release OVM34]
Linux x86-64
Information in this document applies to any platform.

Symptoms

On : 3.4.5 version, DomUs, Guest VMs, Virtual Machines were stopped/crashes/terminates abruptly with detailed error from the underlying OVM dom0/hypervisor/OVS server below.

/var/log/dmesg:
[   39.711267] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored
[   39.805345] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 2.
[   39.805347] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 3.
[   39.805349] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 4.
[   39.805350] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 5.
[   39.805352] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 6.
[   39.805353] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 7.
[   39.805355] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 8.
[   39.805356] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 9.
[   39.805358] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 10.
[   39.805359] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 11.
[   39.805361] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 12.
[   39.805362] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 13.
[   39.805364] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 14.
[   39.805401] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug

/var/log/messages:
Aug  5 07:58:56 ovm-localhost kernel: [   63.450924] mce: CPU supports 2 MCE banks
Aug  5 07:58:56 ovm-localhost kernel: [   63.793263] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 2.
Aug  5 07:58:56 ovm-localhost kernel: [   63.793265] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 3.
Aug  5 07:58:56 ovm-localhost kernel: [   63.793267] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 4.
Aug  5 07:58:56 ovm-localhost kernel: [   63.793268] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 5.
Aug  5 07:58:56 ovm-localhost kernel: [   63.793269] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 6.
Aug  5 07:58:56 ovm-localhost kernel: [   63.793271] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 7.
Aug  5 07:58:56 ovm-localhost kernel: [   63.793272] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 8.
Aug  5 07:58:56 ovm-localhost kernel: [   63.793274] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 9.
Aug  5 07:58:56 ovm-localhost kernel: [   63.793275] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 10.
Aug  5 07:58:56 ovm-localhost kernel: [   63.793277] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 11.
Aug  5 07:58:56 ovm-localhost kernel: [   63.793278] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 12.
Aug  5 07:58:56 ovm-localhost kernel: [   63.793280] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 13.
Aug  5 07:58:56 ovm-localhost kernel: [   63.793281] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 14.
Aug  5 07:58:56 ovm-localhost kernel: [   65.784266] mce: Unable to init device /dev/mcelog (rc: -16)
Aug  5 08:08:35 ovm-localhost kernel: [   39.523244] mce: CPU supports 2 MCE banks
Aug  5 08:08:35 ovm-localhost kernel: [   39.805345] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 2.
Aug  5 08:08:35 ovm-localhost kernel: [   39.805347] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 3.
Aug  5 08:08:35 ovm-localhost kernel: [   39.805349] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 4.
Aug  5 08:08:35 ovm-localhost kernel: [   39.805350] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 5.
Aug  5 08:08:35 ovm-localhost kernel: [   39.805352] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 6.
Aug  5 08:08:35 ovm-localhost kernel: [   39.805353] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 7.
Aug  5 08:08:35 ovm-localhost3 kernel: [   39.805355] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 8.
Aug  5 08:08:35 ovm-localhost kernel: [   39.805356] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 9.
Aug  5 08:08:35 ovm-localhost kernel: [   39.805358] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 10.
Aug  5 08:08:35 ovm-localhost kernel: [   39.805359] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 11.
Aug  5 08:08:35 ovm-localhost kernel: [   39.805361] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 12.
Aug  5 08:08:35 ovm-localhost kernel: [   39.805362] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 13.
Aug  5 08:08:35 ovm-localhost kernel: [   39.805364] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 14.
Aug  5 08:08:35 ovm-localhost kernel: [   41.901651] mce: Unable to init device /dev/mcelog (rc: -16)
Jul 27 00:02:12 ovm-localhost kernel: [   63.366669] mce: CPU supports 2 MCE banks
Jul 27 00:02:12 ovm-localhost kernel: [   63.646634] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 2.
Jul 27 00:02:12 ovm-localhost kernel: [   63.646636] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 3.
Jul 27 00:02:12 ovm-localhost kernel: [   63.646637] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 4.
Jul 27 00:02:12 ovm-localhost kernel: [   63.646639] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 5.
Jul 27 00:02:12 ovm-localhost kernel: [   63.646640] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 6.
Jul 27 00:02:12 ovm-localhost kernel: [   63.646642] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 7.
Jul 27 00:02:12 ovm-localhost kernel: [   63.646643] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 8.
Jul 27 00:02:12 ovm-localhost kernel: [   63.646645] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 9.
Jul 27 00:02:12 ovm-localhost kernel: [   63.646646] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 10.
Jul 27 00:02:12 ovm-localhost kernel: [   63.646648] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 11.
Jul 27 00:02:12 ovm-localhost kernel: [   63.646649] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 12.
Jul 27 00:02:12 ovm-localhost kernel: [   63.646651] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 13.
Jul 27 00:02:12 ovm-localhost kernel: [   63.646652] mce: [Firmware Bug]: Ignoring request to disable invalid MCA bank 14.
Jul 27 00:02:12 ovm-localhost kernel: [   65.704832] mce: Unable to init device /dev/mcelog (rc: -16)

Changes

 N/A

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Changes
Cause
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.