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Created attachment 1271650 [details]
Device Manager

Description of problem:
  Hotplug devices to pci-bridge failed with win7-64 guest.

Version-Release number of selected component (if applicable):
Host:
# rpm -q qemu-kvm-rhev
qemu-kvm-rhev-2.9.0-0.el7.patchwork201703291116.x86_64
# uname -r
3.10.0-648.el7.x86_64
Guest:
Win7-64-sp1
virtio-win-prewhql-0.1-135

How reproducible:
100%

Steps to Reproduce:
1.Boot a guest with a pci-bridge:
/usr/libexec/qemu-kvm \
 -machine pc \
 ...
 -device pci-bridge,id=bridge1,chassis_nr=1 \
 ...

2.Hotplug a virtio-blk-pci device to the pci-bridge:
{"execute":"__com.redhat_drive_add", "arguments":{"file":"/home/rhel7.4test/images/blk5.qcow2", "format":"qcow2", "id":"drive_blk"}}
{"execute":"device_add", "arguments":{"driver":"virtio-blk-pci", "drive":"drive_blk", "id":"device_blk", "bus":"bridge1", "addr":0}}

3.Check the hotplugged device in the guest.

Actual results:
Error info in "Device Manager".

Expected results:
Hotplug should be succeeded.

Additional info:
1.Cannot be reproduced with qemu-kvm-rhev-2.8.0-6.el7.x86_64.

2.The screenshot of Device Manager is as attachment.

3.Hotplug virtio-net-pci or virtio-scsi-pci device to pci-bridge also fail with win7-64 guest.

Duplicate of: https://bugzilla.redhat.com/show_bug.cgi?id=1434706

*** This bug has been marked as a duplicate of bug 1434706 ***