On 27.03.20 18:03, David Hildenbrand wrote: > 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). "virtio_mem", of course :) > > Also, double check if there are any virtio-mem dmesg errors/warnings. > -- Thanks, David / dhildenb
