Yuri Benditovich

Hi all, Honestly, I do not see any strong reason why the latency of virtio-snd will be better than one of HDA. I understand the motivation for virtio-snd from the...

What is the ring size of RX queue in your case?

@twillight1996 to start from, please attach the output of "pnputil /enum-devices"

@crazyboy01crazy If you replug the device - does it solve the problem?

@zjmletang VIRTIO_NET_F_MRG_RXBUF is automatically enabled when the device indicates VIRTIO_F_VERSION_1, this is part of virtio spec (network part). Just indicating merged buffers does not make any effect. Existing driver in...

@zjmletang 1. as an idea, this seems suitable, this should decrement amount of DMA transactions for physical device and shouln't have a negative impact on paravirtualized one 2. some time...

@ddaney-fungible The [virtio spec](https://docs.oasis-open.org/virtio/virtio/v1.2/csd01/virtio-v1.2-csd01.pdf) says: **5.1.6.3.1 Driver Requirements: Setting Up Receive Buffers** • If VIRTIO_NET_F_MRG_RXBUF is not negotiated: – If VIRTIO_NET_F_GUEST_TSO4, VIRTIO_NET_F_GUEST_TSO6 or VIRTIO_NET_F_GUEST_- UFO are negotiated, the driver SHOULD...

@Manojack1 May I ask why you've open this issue for qxl-wddm-dod? The driver qxl-wddm-dod is for Win10, it is also should be functional on Win 8/8.1 but it is not...

@Manojack1 Can you respond? Or we can close the issue?

Thank you for the report. It looks like the device memory is not restored correctly on vm load, so seems like problem of qemu. We will take care on it.