On Fri, Jun 19, 2015 at 2:14 PM, Piotr Rybicki <piotr.rybi...@innervision.pl> wrote: > Hello. > > Actually it was my mistake. > After some time using memory in guest (find /, cp bigfine, etc), res size of > qemu process shrinks to expected value. > > Sorry for disturbing. > Now i don't see any memory waste in guest and host when using 'base' memory > + 'dimm' memory. > > Although i have one issue. > > When i start qemu via libvirt with 16GB mem and 1G current mem: > (...) > <memory unit='KiB'>16777216</memory> > <currentMemory unit='KiB'>1048576</currentMemory> > (...) > > Qemu starts, and balloon can't free memmory, so guest doesn't boot (It hangs > or is looped in ' virtio_balloon virtio2: Out of puff! Can't get 1 pages'). > I think this is because dimm memmory is not yet onlined, and balloon already > tries to shring memory in guest. > > Best regards > Piotr Rybicki > > - libvir@
Please don`t top-post in technical mailing lists. Do you have a crashkernel-reserved area there in the boot arguments? What distro/guest kernel are running in this guest and what is dimm configuration?