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+performance: 0.940
+graphic: 0.916
+peripherals: 0.730
+mistranslation: 0.672
+device: 0.671
+boot: 0.486
+architecture: 0.454
+ppc: 0.436
+semantic: 0.388
+user-level: 0.376
+x86: 0.373
+PID: 0.325
+virtual: 0.246
+files: 0.242
+register: 0.230
+socket: 0.221
+i386: 0.168
+permissions: 0.142
+hypervisor: 0.127
+kernel: 0.124
+debug: 0.112
+vnc: 0.112
+network: 0.108
+risc-v: 0.084
+TCG: 0.084
+assembly: 0.082
+VMM: 0.069
+arm: 0.056
+KVM: 0.044
+
+install Centos7 or fedora27 on qemu on windows8.1
+
+Hello,
+I have tried to install CentOs or Fedora27 on my Windows8 using QEMU. I work on notepad with 4GB.
+Unfortunatly, my touchpad nor my usb-mouse are not recognise on the graphical installation of CentOs and Fedora installation. So, I cannot install them.
+Here are the commands I use for installation :
+
+qemu-img create -f qcow2 fedora27b2_hd.qcow2 80G
+
+qemu-system-x86_64 -k fr -hda fedora27b2_hd.qcow2 -cdrom Fedora-Workstation-Live-x86_64-27_Beta-1.5.iso -m 512 -boot d
+
+I have tried to add the option : -device usb-mouse  but, I got the error message that no 'usb-bus' found for the usb-mouse device.
+
+What is wrong ?  QEMU or my installation command ?
+
+Thank, BRgds,
+Laurent
+
+Which version of QEMU are you using? Did you compile QEMU on your own or are you using a pre-build binary?
+Anyway, to be able to use USB devices, you've got to specify the "-usb" parameter when starting QEMU.
+
+I use qemu-w64-setup-20170830.exe on Windows8-64bits
+I tried the following command, but it is very, very slow :
+
+qemu-img create centos7_hd.img 80G
+
+qemu-system-x86_64 -k fr -cpu core2duo -m 1024 -usb -device usb-mouse -hda centos7_hd.img --drive media=cdrom,file=CentOS-7-x86_64-Everything-1708.iso,readonly
+
+BRgds,
+Laurent
+
+
+So I assume the mouse is working now? I think we then can close this ticket.
+Concerning the speed: QEMU is emulating the CPU by default, so this is of course slower than running everything natively. You've got to use an accelerator to get more speed - for Windows, you can use HAXM: https://www.qemu.org/2017/11/22/haxm-usage-windows/
+
+[Expired for QEMU because there has been no activity for 60 days.]
+