Re: [PATCH v2 00/10] virtio-mem: paravirtualized memory

[David Hildenbrand <david@redhat.com>]

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