针对你遇到的问题“qemu-system-x86_64: invalid accelerator kvm”,我们可以从以下几个方面进行分析和排查: 确认用户问题背景和环境配置: 首先,确保你是在一个支持KVM的硬件环境中运行QEMU。KVM(Kernel-based Virtual Machine)是Linux内核的一个模块,它允许Linux作为虚拟机监控程序运行其他操作系统。 确保你的Linux发...
pc_init1的函数调用关系如下图所示,对于每一个即将创建的VCPU(个数由命令行传入smp_cpus),执行cpu_x86_init,逐层调用后,由qemu_kvm_start_vcpu创建一个VCPU线程,新的VCPU线程将执行qemu_kvm_cpu_thread_fn函数,逐层调用后经过kvm_vcpu_ioctl系统调用切换到核心态,由KVM执行VCPU的创建工作,包括创建VMCS等非根模...
qemu从vl.c/main开始,通过configure_accelerator根据当前current_machine调用对应的accel_init_machine,如果是kvm则具体是kvm_init。当要创建虚拟机,kvm_init函数中会s->fd = qemu_open("/dev/kvm", O_RDWR);打开/dev/kvm设备,获取虚拟机句柄fd,在该fd上ret =kvm_ioctl(s,KVM_CREATE_VM, type); s->vmfd...
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" dirty-ring-size=n (KVM dirty ring GFN count, default 0)\n" " eager-split-size=n (KVM Eager Page Split chunk size, default 0, disabled. ARM only)\n" " notify-vmexit=run|internal-error|disable,notify-window=n (enable notify VM exit and set notify window, x86 only)\n" ...
$ /home/hstan/Build/nxp/QorIQ-SDK-V2.0-20160527-yocto/build_t4240rdb-64b/tmp/sysroots/x86_64-linux/usr/bin/qemu-system-ppc64 -enable-kvm -nographic -m 1024 -M ppce500 -kernel uImage -initrd fsl-image-minimal-t4240rdb-64b.ext2.gz -append "root=/dev/ram rw console=ttyS0...
" sockets= number of discrete sockets in the system\n", QEMU_ARCH_ALL) SRST ``-smp [cpus=]n[,cores=cores][,threads=threads][,dies=dies][,sockets=sockets][,maxcpus=maxcpus]`` Simulate an SMP system with n CPUs. On the PC target, up to 255 CPUs ...
The QEMU PC System emulator simulates the following peripherals: - i440FX host PCI bridge and PIIX3 PCI to ISA bridge - Cirrus CLGD 5446 PCI VGA card or dummy VGA
qemu创建arm虚拟机遇到的问题 通过qemu-kvm的virt-manager打开创建虚拟机页面时,如选择架构是aarch时,qemu总提示如下错误:“failed to setup UEFI for aarch64: did not find any UEFI binary path for arch 'aarch64'”经查实系统缺少适用于ARM架构的UEFI固件。为了解决这个问题,需要确保已经安装了edk2.git-aa...