[pve-devel] [PATCH qemu-server v2 2/2] migration: conntrack: avoid crash when dbus-vmstate object cannot be added (quickly enough)

[Fiona Ebner]

Am 06.10.25 um 1:57 PM schrieb Fiona Ebner:
> As reported in the community forum [0], it might happen that the
> dbus-vmstate object is not added (quickly enough) to the target QEMU
> instance, before the migration state is loaded. This would result in
> a crash of the target instance:
> 
>> kvm: Unknown savevm section or instance 'dbus-vmstate/dbus-vmstate'
>> 0. Make sure that your current VM setup matches your saved VM setup,
>> including any hotplugged devices
>> kvm: load of migration failed: Invalid argument
> 
> This is after the configuration is already moved and thus there also
> is no source instance running anymore.
> 
> Change the type of the 'pve-dbus-vmstate@' service to 'notify', so
> that starting the service returns success only after the
> 'dbus-vmstate' object has been added to the QEMU instance.
> 
> [0]: https://forum.proxmox.com/threads/172588/
> 

Sorry, forgot to add

Suggested-by: Fabian Grünbichler <f.gruenbichler at proxmox.com>

before sending.

> Signed-off-by: Fiona Ebner <f.ebner at proxmox.com>