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Questions tagged [qemu]

QEMU (short for "Quick EMUlator") is an open source machine emulator and virtualizer.

QEMU supports the emulation of various architectures, including IA-32 (x86) PCs, x86-64 PCs, MIPS R4000, Sun's SPARC sun4m, Sun's SPARC sun4u, ARM development boards (Integrator/CP and Versatile/PB), SH4 SHIX board, PowerPC (PReP and Power Macintosh), ETRAX CRIS and MicroBlaze architectures.

The QEMU homepage provides a complete list of supported architectures.

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577 questions
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5 answers

How to quit the QEMU monitor when not using a GUI?

I'm running QEMU on Linux without GUI. After running starting my custom kernel with QEMU, I can't kill and return to host by pressing Ctrl+C. Is there any way to get back to host OS?
triple fault
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12
votes
1 answer

How to redirect QEMU -serial output to both a file and the terminal or a port?

I would like to be able to both interact with the system via the command line, but also get the output to a file at the same time. If I do: qemu-sysem-x86_64 -serial stdio |& tee file then it mostly works, but I would like to avoid any Bash…
Ciro Santilli OurBigBook.com
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4
votes
2 answers

How do I use the "-cpu" option in Qemu?

Using QEMU 0.14.1 under Ubuntu 11.10 with kernel 3.0.0-17-generic, if I run qemu -cpu ? I get: $ qemu -cpu ? x86 [n270] x86 [athlon] x86 [pentium3] x86 [pentium2] x86 [pentium] x86 [486] x86 …
detly
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4
votes
1 answer

QEMU configuration to host a Linux with SSH and HTTP on Windows

I am doing WEB development on Windows 10 operating system. For that purpose, I am running Debian Linux on QEMU. I want to use SSH to connect to the virtual machine, possibly with putty and in the same time testing my server by putting an URL like…
Robert
  • 195
3
votes
2 answers

Fastest user-mode emulation platform with Qemu?

I'm planning to run Linux under user-mode qemu but don't know which platform (eg x86, PPC, etc…) is the best to pick (performance wise). The host is Linux x86-64 running in OpenVZ (so can't modify kernel), so, from my understanding, I can't use…
ionice
  • 31
3
votes
1 answer

How to let qemu acquire memory dynamically?

My command to start qemu looks like this: $ qemu-system-x86_64 \ -name guest=win10 \ -m 4830196K \ -enable-kvm \ -drive file=win10.img,format=raw,index=0,media=disk,if=virtio \ ...... qemu takes up 4G of memory according to the…
aszswaz
  • 237
3
votes
1 answer

What's the `dynamips`, `iol` and `qemu`?

In my a virtual appliance, under the path, there are dynamips, iol, and qemu: I want to know what's them, and the difference between them.
qg_java_17137
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2
votes
1 answer

Boot an existing GNU/Linux installation from a real HDD in Qemu-Windows

I'm now running windows 8 and I installed qemu-windows 1.3.1. I have two hard disks. When I try to boot existing Arch GNU/Linux from second disk using the command: qemu-system-x86-64w -hda \Device\HarddiskVolume6 I got this error :…
Frei Zhang
  • 121
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vote
0 answers

Qemu mouse movement speed

Is there a way to increase the mouse movement speed in qemu? Currently, the mouse in the guest OS is horrible slow even when max speed is set in guest OS. This is the QEMU startup command: QEMU_AUDIO_DRV=alsa qemu-system-i386 -localtime -m 128 -hda…
user877329
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1
vote
1 answer

QEMU startup zoom automation

Each time I start QEMU I do the same series of clicks: View->Zoom to fit, and then grab the corner of the QEMU window and drag to zoom about 2.5 times. Can this be automated so qemu just starts zoomed 2-3 times? Or at least in zoom to fit mode.
exebook
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0
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1 answer

Use a real Windows hard-drive to boot off Qemu?

I'm looking for a Windows equivalent of Unixish: qemu -hda /dev/sda How does the Windows version of it look like, assuming the device I'd like to boot is under the drive letter E:? qemu -hda E: didn't work.
d33tah
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0
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How can I specify the window size/display resolution in Qemu when emulating ARM64?

I'm trying to (system) emulate ARM64 using Qemu. My command looks like this: qemu-system-aarch64 \ -M raspi4b2g \ -drive file=bin/sd.bin,format=raw,if=sd \ -kernel bin/kernel8.img I'm using a raspberry pi 4 machine, which is not…
Jack M
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0
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0 answers

print branch taken or not in qemu plugin

How to print branch taken/not taken if branch instruction in the qemu execlog plugin? api.c does have a get_ms option but on using it it shows the error: undefined symbol: get_ms
Kirti
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0
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1 answer

QEMU unclear id option

What is id option. I have no idea what it is and there are no results about it. For example from Arch Linux wiki qemu-system-x86_64 -nic user,id=nic0,smb=shared_dir_path disk_image What is id=nic0 and where do I get it?
Balora
  • 3
0
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0 answers

QEMU guest internet access

I have read many documentation and threads but could not figure out how to allow the guest machine to access the internet. Below is the command for creating the guest Alpine Linux machine on MacOS x86_64 (Ventura 13.2.1) $ qemu-system-aarch64 \ -M…
Mr.
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