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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.
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.