On Thu, Feb 03, 2022 at 23:25:05 +0000, Kalra, Ashish wrote:
[AMD Official Use Only]
Well, I hope it's okay to use it for libvirt officially too ;)
Hi, I am using Fedora 33, with the following KVM, qemu and libvirt versions:
Note that Fedora 33 is already end-of-life, it would be great if you can re-test with a more recent version
QEMU 5.1.0 libvirt 6.6.0
specifically this was released 1.5 years ago
KVM 5.14.18
We have done pass-through of a PCIe NVMe device to the guest running on FC33 using either virt-manager or virsh and then we do the hot-unplug of the device while it is attached to the guest.
The device is no longer seen on the guest hardware device list on virt-manager and then we hotplug the device again and we are able to use it on the Host, but when we try to re-attach it to the guest, we get the following error message:
Requested operation is not valid, PCI device 0000:c4::00.0 is in use by driver QEMU, Domain fedora 33.
[...] Unfortunately the tracing you've done doesn't really help in seeing what gone wrong in libvirt. Please attach debug logs per https://www.libvirt.org/kbase/debuglogs.html