[Qemu-discuss] Skipping Option Rom kvmcapic.bin

2014-05-28 Thread Sai Prajeeth
Target: x86 PC How can i skip loading this option rom (kvmvapic.bin)? Is there any option in qemu or SEABios?

[Qemu-discuss] QEMU singlestep

2014-05-28 Thread Radu Velea
Hello, I've been using QEMU in user mode to run an executable with debug mode and I've noticed that the number of assembly instructions differs from one runtime to another, even for a trivial "hello world". Is there an explanation for this? qemu-aarch64 -singlestep -d in_asm hello_world.exe has f

Re: [Qemu-discuss] Live migration of VM

2014-05-28 Thread Tony Su
IMO although likely possible, unlikely to ever be implemented unless someone could describe a scenario common enough to warrant the effort. The concepts behind doing a live migration exist and are implemented in a few technologies (stability varies). If the code is closed though, it may limit who

Re: [Qemu-discuss] Live migration of VM

2014-05-28 Thread Jakob Bohm
On 5/23/2014 8:19 AM, Prashant Upadhyaya wrote: Hi, Is it possible to live migrate a VM (emulating AMD) running on native AMD to a machine running native ARM and back with QEMU ? I believe a clarification is needed here. What is it you want to do: A) Migrate the VM from qemu-system-x86_

Re: [Qemu-discuss] Live migration of VM

2014-05-28 Thread Dale R. Worley
> From: Prashant Upadhyaya > Is it possible to live migrate a VM (emulating AMD) running on > native AMD to a machine running native ARM and back with QEMU? I believe I was incorrect in my previous answer. Given that Qemu can support a different guest architecture than the host archicture (via

[Qemu-discuss] Disk Performance

2014-05-28 Thread Quentin Hartman
Big picture, I'm working on getting an openstack deployment going using ceph-backed volumes, but I'm running into really poor disk performance, so I'm in the process of simplifying things to isolate exactly where the problem lies. The machines I'm using are HP Proliant DL160 G6 machines with 72GB

Re: [Qemu-discuss] Live migration of VM

2014-05-28 Thread Prashant Upadhyaya
Hi, Case A and B are what I am looking for. I believe B is more likely for practical usecases for speed of guest execution. I saw this news from 2008 and thought that years have passed, so this must be possible now. But looks like this still hasn't matured. http://beta.slashdot.org/story/109745