Re: Problems with Debian PowerPC Big-Endian Host System

[William]

Em 07/05/2021 18:34, Ivan Warren escreveu:
> On 5/7/2021 8:21 PM, William wrote:
> > Hello,
> >
> > I have an IBM POWER7 server with Debian-10.0-powerpc (big-endian) and 
> > qemu-system-x86 1:5.2+dfsg-10 powerpc installed on it. It's an 
> > standalone system (without HMC). I'm facing issues to set up memory 
> > higher than 2047MB on guest machines.
> >
> > Command "qemu-system-x86_64 -machine type=q35 -m 2048" returns "at 
> > most 2047 MB RAM can be simulated" and with parameters "-enable-kvm 
> > or accel=kvm" it returns "invalid accelerator kvm". Kvm module is 
> > loaded.
> >
> > Any help would be much appreciated.
> >
> > Thank you.
> >
> > WIlliam.
> William,
>
> You can only run qemu KVM when the host and guest architectures are 
> (at least somewhat) identical. Otherwise you are stuck with TCG (aka 
> softmmu) acceleration (architecture/Instruction set emulation) which 
> is of course significantly slower.
>
> --Ivan