qemu-system-x86_64 boot failed

boot 16.04 virtualization kvm qemu
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You did not specify the guest startup RAM size with the -m option, so the default RAM size is 128M, which is insufficient. For ubuntu-16.04.2-desktop-amd64.iso, the minimum size that works is -m 277. To be safe, add -m 512 to the qemu-system-x86_64 options, it should solve this problem.

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coconut
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coconut

Updated on September 18, 2022

Comments

  • coconut
    coconut over 1 year

    I tried to boot ubuntu.iso on qemu-system-x86_64 with command "qemu-system-x86_64 -cdrom ubuntu-16.04-desktop-amd64.iso" but failed, here is warning "TCG doesn't support requested feature: CPUID.01H:ECX.vmx [bit 5]"：

    question img1

    How to solve this problem?

  • cat
    cat over 5 years
    This causes a lot of operating systems to not load, so use -m 1G (if you can spare) to be safe
  • Peter Teoh
    Peter Teoh about 5 years
    i got the same problem, but adding -m 512 or -m 1G makes no difference: the error still pop out.

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