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[QUESTION] qemu: how to control the switch of floppy drive
From: |
Xu, Yanfei |
Subject: |
[QUESTION] qemu: how to control the switch of floppy drive |
Date: |
Fri, 9 Apr 2021 14:48:59 +0800 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 |
Hi experts,
How can I disable the floppy controller drive when I boot a VM by qemu-
system-x86_64? I did not specify any arguments about floppy, but after
the qemu boots up, linux always can detect floppy drive and then
modprobe the matched floppy.ko.
qemu version: v5.2
command line:
qemu-system-x86_64 -device virtio-net-
pci,netdev=net0,mac=52:54:00:12:34:02 -netdev
tap,id=net0,ifname=tap0,script=no,downscript=no -object rng-
random,filename=/dev/urandom,id=rng0 -device virtio-rng-pci,rng=rng0
-drive file=/path/to/images/qemux86-64
/qemux86-64.ext4,if=virtio,format=raw -usb -device usb-tablet -cpu
core2duo -enable-kvm -m 512 -pidfile /path/to/pidfile_4167420 -m 512
-snapshot -serial mon:vc -serial null -kernel /path/to/qemux86-64
/bzImage.bin -append 'root=/dev/vda rw mem=512M
ip=192.168.7.2::192.168.7.1:255.255.255.0 oprofile.timer=1
printk.time=1'
As I konw BIOS can control the switch of floppy controller on a real
hardware, But how can I do it on qemu? And does the qemu enable that by
default?
Thanks,
Yanfei
- [QUESTION] qemu: how to control the switch of floppy drive,
Xu, Yanfei <=