QEMU is a generic and open source machine emulator and virtualizer.
3
votes
0answers
32 views
Booting grub legacy via qemu using pxe
I have been trying to boot grub legacy via qemu using pxe. For some reason, the grub does not display the menu and enters into the command mode after displaying the following error.
Error15: File not ...
0
votes
1answer
43 views
NFS server on qemu guest
I need to know how I can mount block devices, placed on a qemu guest system, from host. So in this case we have NFS server placed on guest system and NFS client on the host's side.
There are a lot ...
0
votes
0answers
33 views
QEMU communication between a process on a host and a process on the guest
I am running Ubuntu virtual machine using QEMU.
Right now I am facing a problem how to send IP packets from the host OS to the guest OS over some virtual network interface throw QEMU.
Virtual ...
2
votes
1answer
84 views
Networking and Samba from a quest OS running on qemu
I'm trying to test some software on a big endian system to ensure compatibility. My plan is to use qemu on Ubuntu 12.04 to emulate a MIPS system. So far I've been able to create the quest system ...
2
votes
1answer
34 views
QEMU Direct Access to Video Card (or, QEMU Video Output without X11)
I have a system that boots up into Linux at power on and then needs to boot into Windows XP Embedded. After messing around with kexec and grub4dos, things aren't working out too well.
One idea that ...
0
votes
1answer
29 views
How much success can I expect with Qemu On PowerPC Linux?
I'm on Ubuntu 12.04 for PowerPC and I installed Qemu just for kicks, having experience using it in the past to build an iso for an arm tablet, and upon doing a search I found this installed on my ...
1
vote
2answers
74 views
Iptables port forwarding to qemu vm
Is it possible to create an IPtables rule that forwards all incoming traffic on port 80 on the host to port 80 of the qemu VM?
Is such a scenario possible with qemu?
0
votes
0answers
12 views
Preparing an initrd for qemu [duplicate]
I have compiled a bzImage but when I try to run it in qemu I get a kernel panic because I don't have an initrd file. So I create one by following the steps in this question but I cannot get it to ...
2
votes
2answers
179 views
Linux kernel is not finding the initrd correctly
I had compiled a linux kernel and I wanted to debug it in QEMU. I created a file to boot from by doing the commands
$ qemu-img create -f raw disk.img 200M
$ mkfs.ext2 -F disk.img
# mkdir /mnt/rootfs
...
0
votes
1answer
211 views
Installing qemu-img on ubuntu 11.04
I am developing a linux kernel and I am trying to to debug it in QEMU. I want to be able to run it in QEMU but it stops because I do not have a virtual hard drive to boot it(using the -hda command). I ...
1
vote
1answer
171 views
How do you mount an ext2 formatted qemu disk image?
I am having issues mounting an image I created with the qemu-img program. Every time I attempt to invoke mount upon the subsequent file, it responds with failed to setup loop device: No such file or ...
2
votes
1answer
354 views
Kernel and QEMU : Unable to mount root fs error
I am trying to run a distro in the virtual disk image with a custom kernel,so that I can experiment and debug the kernel. I followed this to make a disk image and then install Debian to it. Now I ...
2
votes
1answer
370 views
Debugging Linux Kernel with QEMU
I was trying to study the debugging of kernel using QEMU. I tried initially and failed due to the fact that there was no virtual file system. The answers to this post suggests that there should be a ...
3
votes
2answers
336 views
How can I restore default window size in KVM/QEMU
In KVM/QEMU machine window size by default matches guest OS resolution. But if I resize windows (accidently) how to restore default size?
0
votes
0answers
76 views
Creating a Virtual filesystem to boot linux
I am trying to boot the linux kernel (bzImage) in QEMU but have had issues. After asking on U&L I found out that my problem was that I was booting the kernel without a filesystem to boot from. So ...
3
votes
1answer
591 views
qemu - two clients (tap0 & tap1) via br0 can't ping eachother but server pings ok
I've got:
A host system running Ubuntu with KVM (functional)
Two clients, one Ubuntu and one Windows 7, nothing fancy.
I've also setup (see below) a bridge via br0 for the clients:
br0: ...
3
votes
3answers
410 views
How do I send a shutdown event to a QEMU guest (OpenBSD)?
I'm using virtualisation solely to install OpenBSD onto the bare hardware, and during the installation, the redirection to the serial port didn't get configured, so, I ended up with the system ...
0
votes
1answer
80 views
darkstat shown blocked traffic
I've installed Darkstat on a Qemu VM which is connected to a bridge interface on top of main server's interface ( eth0 )
In Darkstat report I can see many hosts in the same IP range of specified VMs ...
2
votes
0answers
231 views
Can QEMU/KVM+OCFS2 be configured to punch holes in sparse image files when files are deleted in the guest?
I'm using sparse raw image files for guest VMs and OCFS2 on the host (local-only, not clustered) for the reflink feature. I understand from Googling around that OCFS2 is one of the filesystems that ...
3
votes
1answer
701 views
booting qemu/kvm directly from a file system
Having used Xen and its pygrub for a while, I'm now trying to do something similar with KVM/qemu.
Basically, I have a LVM logical volume (though that could as well be a file) that contains the root ...
6
votes
2answers
3k views
How to boot EFI kernel using QEMU (kvm)?
Hey guys I'm trying to emulate a EFI enviroment using QEMU (kmv), virtualbox takes 15 minutes to boot in EFI mode using archboot.
Using legacy BIOS mode I can boot using this command:
...
2
votes
1answer
503 views
Running bzImage in QEMU
So I compiled a linux kernel by doing make menuconfig and make. I was trying to run the bzImage in qemu, by doing "qemu -kernel bzImage" but it didn't work out:
How can I fix it? How can I run the ...
5
votes
1answer
730 views
Load Linux bzImage in QEMU?
I compiled a Linux by doing "Make menuconfig" then make and now I have compiled the most recent version of Linux. How can I load the kernel into QEMU?
3
votes
0answers
98 views
Socksifying a qemu-kvm using tsocks
I'm trying to socksify a qemu-kvm using tsocks, but I have no success.
I don't know if qemu access directly the hardware, skipping the OS or something like that, but I wasn't able to do this feat.
...
1
vote
0answers
438 views
how to use qemu to run build root linux images?
I have compiled an embedded linux with build root for i386. I didn't edited much, just defaults. Now I want to run it under qemu. But the only thing I see is this:
I'm running qemu with these ...
2
votes
0answers
365 views
Qemu doesn't boot kernel after “Uncompressing Linux… done, booting the kernel. ”
I've compiled qemu for s5pc110 (it's from http://gitorious.org/samsung-linux-platform/qemu, somebody had added support for s5pc110), version 0.12. But when I load the kernel:
qemu-system-arm -M ...
2
votes
2answers
557 views
Compiling FreeRTOS on ubuntu
How could I compile the FreeRTOS Source Code and run it (possibly on qemu) on ubuntu 11.04?
Thanks
7
votes
2answers
4k views
How do I boot from a liveusb using qemu-kvm?
I am trying to get qemu-kvm to boot from my live usb stick. Is this possible?
2
votes
1answer
884 views
How to convert Windows 7 partitions to qcow2?
I know I can use qemu-img tool to convert a raw partition into a image file. But Windows 7 has two partitions. I tried:
qemu-img convert /dev/sda1 /dev/sda2 win7.qcow2
But the generated file does ...
0
votes
0answers
310 views
qemu-kvm savevm very slow
I have up to date gentoo system with kvm images located on 500 gb partition with 200 gb of free space and defragmented, running machine with Windows XP and 2gb ram, I have problem with making snapshot ...
3
votes
1answer
2k views
QEMU-KVM and internal DHCP server
I have set up a few soon-to-be production VMs running on QEMU-KVM on Ubuntu 10.04 LTS.
As for networking, I chose the "NAT" option in Virt-Manager and each VM now gets an IP address 192.168.122.x ...
1
vote
2answers
2k views
How to copy qemu raw images?
I want to backup kvm virtual machines and copy machine's images another path or usb disk? How to copy " qemu raw images"?
1
vote
1answer
293 views
fdisk hangs on “Syncing disk” when resizing a raw QEMU image
I'm using fdisk to resize the partitions on a raw QEMU image. When I write the new partition table, it hangs at "Syncing disks."
Note that I'm running fdisk as non-root since I don't need root to ...
1
vote
1answer
423 views
Adding a populated existing disk device to a QEMU raw image
I have a raw QEMU image (vda.raw), and I would like to resize it and add an existing partition, using data I have in a file that contains a raw ext3 file system populated with data (vdb.raw). The two ...
0
votes
1answer
421 views
qemu: how to access host via sftp
I started a guest vm with
qemu-system-x86_64 -net user -net nic -redir tcp:10022::22 -m 500 -hda op.img
From the guest, I'm able to ssh the host machine, but can't connect via sftp
The command I ...
5
votes
1answer
498 views
Move qcow2 image to physical hard drive
I have a qcow2 image that I use to boot an installation of linux using QEMU; I would like to place the contents of that image directly onto a physical hard drive so that I can boot to that linux ...
1
vote
1answer
331 views
Do I need hardware support for KVM for virtio paravirtualisation
Unfortunately I need to run virtual system on the machine without hardware support for visualisation. From kvm page I read that kvm is needed however it is not mentioned whether they mean the kernel ...
1
vote
0answers
301 views
Cannot install Debian on QEmu-arm
I'm trying to run Debian 6 network install with this command:
sudo qemu-system-arm -M versatilepb -kernel ./vmlinuz-2.6.32-5-versatile -initrd ./initrd.gz -hda ./debianlxde.img -m 256 -append ...
1
vote
1answer
823 views
Boot device /dev/sda1 does not exist on Debian in QEmu
I have an image of Debian/LXDE assembled for ARM and I trying to run it in Qemu.
I am using this command:
sudo qemu-system-arm -M versatilepb \
-kernel ./vmlinuz-2.6.32-5-versatile \
...
4
votes
2answers
283 views
Can libvirt check if virtual machine is fully booted? Can another tool?
I currently have small VM to do certain tests (it has multiple benefits - like testing on another distribution, Fedora 15, as well as running make distcheck without the problem of polluting /).
...
3
votes
1answer
2k views
Qemu - keyboard and mouse not working
I'm trying to run a Linaro Beagleboard image under Qemu and I have trouble with the keyboard and mouse. Basically neither the keyboard nor the mouse work once the boot process completes. I tried two ...
1
vote
1answer
253 views
Coreboot + QEMU Tutorial Request (Google has failed)
Can anyone point me in the direction of an end-to-end idiot-proof coreboot+qemu tutorial?
I'm having trouble understanding how qemu is set up to emulate different hardware (also having trouble ...
0
votes
1answer
1k views
qemu no boot device found!
I am trying to set up a Linux x86_64 virtual machine on a 32bit Linux computer and I've been told aqemu's Wizard is a good option. I can follow the wizard steps, but when I try to start the virtual ...
1
vote
1answer
264 views
How do I get QEMU to open without a BadWindow error after ssh'ing with X11 forwarding?
After ssh'ing to a machine (with -X) I run qemu and get the following:
X Error of failed request: BadWindow (invalid Window parameter)
Major opcode of failed request: 25 (X_SendEvent)
Resource ...
3
votes
3answers
396 views
Really light weight linux for VM no extensions
I need to host a ssh server on a x86-64 Debian squeeze machine with no VT-extensions :(
I am using virtlib with qemu (set up and working).
I have tried a number of things and non have been perfect, ...
