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QEMU Hangs At Boot Time

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Attempting to boot from a Live Linux Mint 18.4 (x64) ISO using QEMU under macOS Catalina (with patches to use hvf as hypervisor in place of kvm).I am able to get as far as the boot menu, but attempting to boot into the installer leaves me with a blinking cursor.Booting in verbose mode, I see it hangs at:

clocksource: switched to clocksource tsc

I have also attempted to boot a CentOS and Kali iso. The CentOS VM exits abruptly when booted in verbose mode after a flash of text too fast for me to read, whereas the Kali iso merely shows a black screen, without even a blinking cursor.

I attempted to also boot with the notsc kernel flag enabled, this however merely caused the Mint ISO to hang at

PCI Interrupt Link [LNKB] enabled at IRQ 10

instead, and made no apparent difference in the case of the Kali and CentOS isos.

I'm unsure if this is specifically an hvf issue, but any suggestions are welcome.

These are the command parameters I am launching my VM with.

qemu-system-x86_64 \  -m 4096 \  -show-cursor \  -vga virtio \  -usb \  --device usb-tablet \  -enable-kvm \  -cdrom ./linuxmint.iso \  -drive file=./mint.qcow2,if=virtio \  -accel hvf \  -cpu max

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