What were you trying to do that didn't work?

Boot vm with disk pr migration enabled.

Take PR in the guest, hot-unplug and plug disk back,

Start live migration 

The PR is not migrated to the target host.

What is the impact of this issue to you?

IO is affected due to PR is not migrated

Please provide the package NVR for which the bug is seen:

Red Hat Enterprise Linux release 10.2 Beta (Coughlan)
6.12.0-191.el10.x86_64
device-mapper-1.02.206-3.el10.x86_64
device-mapper-multipath-0.9.9-15.el10.x86_64
qemu-kvm-10.1.0-7.el10.stefanha202601211325.x86_64
seabios-bin-1.17.0-1.el10.noarch
edk2-ovmf-20251114-2.el10.noarch
libvirt-11.10.0-3.el10_rc.ea42e6fd65.x86_64

How reproducible is this bug?:

100%

Steps to reproduce

 1. boot vm

virsh define vm-migration.xml;virsh start vm-migration

2. login guest to take PR
./pr_test.sh -c 11 -d /dev/sdb

3. unplug and plug disk back in guest

virsh detach-device --file disk-sdb.xml --domain vm-migration;sleep 2;virsh attach-device --file disk-sdb.xml --domain vm-migration

4. Check IO on disk

Expected results

IO is not affected

Actual results

Failed IO