On 27.03.20 17:58, Pankaj Gupta wrote: > Hi David, > > Trying to test the series with the Qemu branch(virtio-mem) mentioned. > Unfortunately, > not able to hotplug memory. Is anything changed from your previous posting > or I am doing something wrong? > > After giving value to "requested-size", I see size as zero. > > (qemu) qom-set vm0 requested-size 10G > (qemu) info memory-devices > Memory device [virtio-mem]: "vm0" > memaddr: 0x240000000 > node: 0 > requested-size: 10737418240 > size: 0 > max-size: 107374182400 > block-size: 2097152 > memdev: /objects/mem0 > > Guest kernel: 5.6.0-rc4 > Using same Qemu commandline arguments mentioned in cover-letter. Are you booting from an initrd? Are you compiling virtio-mem as a kernel module or into the kernel binary? Make sure that the virtio-mem driver will actually be loaded. (lsmod | grep virtio-mem). Also, double check if there are any virtio-mem dmesg errors/warnings. -- Thanks, David / dhildenb
