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Description of problem:
cannot recognize xhci usb storage(port reset failed) after re-enable device in windows 2012 guest
Version-Release number of selected component (if applicable):
qemu: qemu-kvm-1.5.3-2.el7.x86_64
kernel: 3.10.0-15.el7.x86_64
How reproducible:
100%
Steps to Reproduce:
1.boot guest
#/usr/libexec/qemu-kvm ... \
-device nec-usb-xhci,id=xhci,addr=0x04 \
-device usb-storage,drive=drive-usb-0-0,id=usb-0-0,removable=on,bus=xhci.0 \
-drive file=/mnt/add-disk.qcow2,if=none,id=drive-usb-0-0,media=disk,format=qcow2,cache=none,aio=native
2.disable usb storage from device manager
3.enable usb storage from device manager
Actual results:
cannot recognize usb storage device(attached screenshot)
Expected results:
can recognize usb storage device with no error
Additional info:
(In reply to Gerd Hoffmann from comment #3)
> Probably a duplicate of bug 949514.
Hi Gerd,
at first, guest could recognize this usb storage, but failed after re-enable. So I think it may not be same as bug 949514.
Retested on windows 2012-r2 guest with qemu-kvm-rhev-1.5.3-10.el7.x86_64, and not hit this issue any more.
According to above test result, please close this bug as duplicate of bug 949514.