virtio spec requires drivers to set DRIVER_OK before using VQs. This is set automatically after restore returns, virtio scsi violated this rule on restore by kicking event vq within restore. To fix, call virtio_enable_vqs_early before using event queue. Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx> --- drivers/scsi/virtio_scsi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index 0642ce3..2b565b3 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -1054,6 +1054,8 @@ static int virtscsi_restore(struct virtio_device *vdev) return err; } + virtio_enable_vqs_early(vdev); + if (virtio_has_feature(vdev, VIRTIO_SCSI_F_HOTPLUG)) virtscsi_kick_event_all(vscsi); -- MST _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
