On 5/5/25 22:38, Kim, Dongwon wrote: >> I tried to apply your kernel patches and then suspend/resume guest kernel, it >> doesn't work: >> >> virtio_gpu_transfer_to_host_2d: no backing storage 2 >> [ 22.909454] [drm:virtio_gpu_dequeue_ctrl_func] ERROR response >> 0x1200 (command 0x105) >> virtio_gpu_transfer_to_host_2d: no backing storage 2 >> [ 23.169138] [drm:virtio_gpu_dequeue_ctrl_func] ERROR response >> 0x1200 (command 0x105) > [Kim, Dongwon] I will check your failing case more closely. As you know, we > use virtio-gpu device > only for display device, which means I tested this in that specific > environment > although I thought it is generic enough...
I used virtio-gpu when got these errors. -- Best regards, Dmitry
