How to start most minimal VM (no PCI) with a network to log in over SSH?

2023-09-09 Thread Paul Menzel
Dear QEMU folks, I’d like to start the most minimal VM possible, but still want to be able to log in over SSH. With QEMU 7.2.1 the command below fails, as I am passing an incompatible NIC model: $ qemu-system-x86_64 -M microvm,x-option-roms=off,pit=off,pic=off,isa-serial=off,rtc=off

Possible to use QEMU’s VNC feature with simpledrm and the DRM fbdev emulation layer?

2023-09-08 Thread Paul Menzel
Dear QEMU folks, I wanted to replace replace the fbdev drivers with simpledrm and the DRM fbdev emulation layer [1][2]. My colleagues now noticed, that QEMU’s VNC feature does not work anymore for the console [3]. We are using QEMU emulator version 7.2.0. Log differences: Working

Re: qemu-system-x86 dependencies

2023-08-17 Thread Paul Menzel
Dear Fourhundred, Am 17.08.23 um 07:10 schrieb Fourhundred Thecat: > On 2023-08-16 15:02, Fourhundred Thecat wrote:  > On 2023-08-16 14:52, Michael Tokarev wrote: 16.08.2023 15:37, Philippe Mathieu-Daudé пишет: Cc'ing Michael why does qemu depend on sound and gstreamer and wayland

Re: Invalid accelerator kvm / error: kvm run failed Function not implemented ERRORS trying to virtualize a guest OS on the ARM Chromebook running with a relatively recent kernel version and KVM enable

2023-08-11 Thread Paul Menzel
Dear Mario, Am 11.08.23 um 14:29 schrieb Mario Marietto: ok. Can you share the github address ? I found the source code for x86-x64 but not for armhf. The source code archive [1] contains the code for all architectures. From that you configure your build environment, where you can specify

Re: GPU passthrough memory bandwidth performance degration

2023-07-03 Thread Paul Menzel
Dear Jiatong, Thank you for your message. Am 04.07.23 um 03:58 schrieb Jiatong Shen: I am testing a passtrhough gpu performance by measuring device to host & host to device memory copy bandwidth. The tested GPU is nvidia t4. The benchmarking script I am using is

Re: Qemu on Aarch64 ubuntu

2022-12-24 Thread Paul Menzel
Dear anonymous, Am 24.12.22 um 14:06 schrieb Engaged Hits: I am trying to install windows on ubuntu running on aarch64 architecture using qemu, but the serial output redirects to the shell command prompt line. Why should this be a problem? Maybe attach all messages. I ran the following

Missing message from the mailing list (was: Fwd: qemu no sound)

2022-12-19 Thread Paul Menzel
Dear mailing list administrators. Am 19.12.22 um 21:59 schrieb Helge Konetzka: […] I already wrote an answer on qemu-devel list (https://lists.gnu.org/archive/html/qemu-devel/2022-12/msg02445.html). That message did not reach my inbox but is in the archive. I also do not see any delivery

Re: Qemu problem

2022-08-18 Thread Paul Menzel
Dear Glupozombie, Am 16.08.22 um 12:28 schrieb GlupozombiePlay: Hello dear developers! I want to ask you for help with a problem: When I run kali linux in qemu - the system just freezes at the boot or password screen. There is no information anywhere on the internet. I have an amd ryzen 3550H

Re: Improving user networking performance

2022-04-08 Thread Paul Menzel
Dear Anders, Am 07.04.22 um 22:27 schrieb Anders Pitman: Thanks for the response. I've collected more precise data for you. Thank you. Please share the command line, how you start the GNU/Linux VM, and what GNU/Linux distribution you use. I'll share the specific command lines with the

Re: Improving user networking performance

2022-04-05 Thread Paul Menzel
Dear Anders, Am 05.04.22 um 22:31 schrieb Anders Pitman: I'm trying to improve user networking performance, especially from a Windows 10 host, Linux guest. My goal is to get at least 100Mbps duplex. I'm hoping to be able to saturate a 1Gbps link. I need to avoid requiring any admin privileges,

Re: Issue with qemu networking

2021-09-14 Thread Paul Menzel
Dear Sukreet, Am 14.09.21 um 10:30 schrieb Sukreet pal: I am currently new to qemu. Currently , I have a windows host in which I have a Linux VM and inside the Linux VM I have my qemu armv7 vexpress-a9 board virtualized. I want to connect to the internet from my vexpress-a9 board (use wget

Re: microvm and Virtio-fs (vhost-user-fs-pci)

2021-06-01 Thread Paul Menzel
Dear Philippe, Am 01.06.21 um 05:25 schrieb Philippe Mathieu-Daudé: On 5/31/21 8:04 PM, Paul Menzel wrote: For minimal boot time I would like to use the machine type *microvm* [1]. For an application, we would like to use Virtio-fs [2]. Currently it fails with:     $ sudo qemu-system

microvm and Virtio-fs (vhost-user-fs-pci)

2021-05-31 Thread Paul Menzel
Dear QEMU folks, For minimal boot time I would like to use the machine type *microvm* [1]. For an application, we would like to use Virtio-fs [2]. Currently it fails with: $ sudo qemu-system-x86_64 -enable-kvm -M microvm -cpu host -m 512m -kernel /dev/shm/vmlinuz-5.10.0-7-amd64 -append