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OLVM 4.5: Live Migration Fails with “Unable to write to socket: Bad file descriptor” (Doc ID 3061888.1)

Last updated on DECEMBER 05, 2024

Applies to:

Linux OS - Version Oracle Linux 8.8 and later
Linux x86-64
OLVM 4.5

Symptoms

Live Migration of VMs failing in OLVM 4.5 environment. Errors logged as follows,

engine.log

Migration of VM 'Windows-VM' to host 'KVM-002' failed: Lost connection with qemu process. EVENT_ID: VM_MIGRATION_TO_SERVER_FAILED(120), Migration failed due to an
Error: <> Unable to write to socket: Bad file descriptor (VM: Windows-VM, Source: KVM-001, Destination: KVM-002)

Source KVM vdsm.log

ERROR (migsrc/3c0418c8) [virt.vm] (vmId='<>') <>: qemu<>: 2024-11-29T09:11:41.120638Z qemu-system-x86_64: -numa node,nodeid=0,cpus=0
-63,mem=24576: warning: Parameter -numa node,mem is deprecated, use -numa node,memdev instead
qemu-system-x86_64: MIG_CMD 0xb unknown (len 0x10)
qemu-system-x86_64: load of migration failed: Invalid argument (migration:331)
INFO (migsrc/3c0418c8) [virt.vm] (vmId='<>') Switching from State.STARTED to State.FAILED (migration:229)
ERROR (migsrc/3c0418c8) [virt.vm] (vmId='<>') Failed to migrate (migration:506)
qemu-system-x86_64: MIG_CMD 0xb unknown (len 0x10)
qemu-system-x86_64: load of migration failed: Invalid argument

 

Changes

 The Source KVM host was recently updated to latest patch level.

Cause

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In this Document
Symptoms
Changes
Cause
Solution


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