Re: [Qemu-devel] [PATCH v8 00/54] Postcopy implementation

[Bharata B Rao]

On Mon, Sep 28, 2015 at 05:51:39PM +0100, Dr. David Alan Gilbert (git) wrote:
> From: "Dr. David Alan Gilbert" <address@hidden>
> 
>   This is the 8th cut of my version of postcopy.
> 
> The userfaultfd linux kernel code is now in the upstream kernel
> tree, and so 4.3-rc3 can be used without modification.
> 
> This qemu series can be found at:
> https://github.com/orbitfp7/qemu.git
> on the wp3-postcopy-v8 tag
> 
> 
> Testing status:
>   * Tested heavily on x86
>   * Smoke tested on aarch64 (so it does work on different page sizes)
>   * Power is unhappy for me (but gets further than the htab problem
>     v7 used to have) (I get a kvm run failed)

As I said earlier, postcopy migration works on Power, but memory hotplug
seems to have some problem.

qemu-system-ppc64 ... -object memory-backend-ram,id=ram0,size=2G -device 
pc-dimm,memdev=ram0

qemu/exec.c:1278: find_ram_offset: Assertion `size != 0' failed.

Does this happen on x86 too ?

Regards,
Bharata.