OLVM: VM went down with error message 'Error: Lost Connection With Qemu Process' (Doc ID 2882011.1)

Last updated on JULY 08, 2022

Applies to:

Symptoms

On Oracle Linux Virtualization Manager(OLVM), the VM went down with error message 'Error: Lost Connection With Qemu Process'. Other details can be found below.

/var/log/libvirt/qemu/<VM_Name>.log
-----------------------------------
2022-07-05 13:59:39.207+0000: starting up libvirt version: 5.7.0, package: 32.el7 (Unknown, 2022-01-28-07:29:21, build-ol7-x86_64.oracle.com), qemu version: 4.2.1qemu-4.2.1-16.el7, kernel: 5.4.17-2102.201.3.el7uek.x86_64, hostname: bcopkvm1-produ.bancop.com.py
-rtc base=2022-07-05T13:59:38,driftfix=slew \
2022-07-05T13:59:39.331061Z qemu-system-x86_64: -numa node,nodeid=0,cpus=0-7,mem=20048: warning: Parameter -numa node,mem is deprecated, use -numa node,memdev instead 
2022-07-05T13:59:39.331426Z qemu-system-x86_64: warning: CPU(s) not present in any NUMA nodes: CPU 8 [socket-id: 8, core-id: 0, thread-id: 0], CPU 9 [socket-id: 9, core-id: 0, thread-id: 0], CPU 10 [socket-id: 10, core-id: 0, thread-id: 0], CPU 11 [socket-id: 11, core-id: 0, thread-id: 0], CPU 12 [socket-id: 12, core-id: 0, thread-id: 0], CPU 13 [socket-id: 13, core-id: 0, thread-id: 0], CPU 14 [socket-id: 14, core-id: 0, thread-id: 0], CPU 15 [socket-id: 15, core-id: 0, thread-id: 0] <==== This is the issue...!!!!
2022-07-05T13:59:39.331450Z qemu-system-x86_64: warning: All CPU(s) up to maxcpus should be described in NUMA config, ability to start up with partial NUMA mappings is obsoleted and will be removed in future 
2022-07-05 14:03:20.034+0000: Domain id=29 is tainted: custom-ga-command
2022-07-06T00:45:00.348563Z qemu-system-x86_64: terminating on signal 15 from pid 3656 (<unknown process>) <==== qemu process termination after the CPU warning...!!!!
2022-07-06 00:45:00.746+0000: shutting down, reason=destroyed

Changes

 N/A

Cause

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