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Migrate VM shares from 9p to virtiofs; update QEMU and doctor

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This commit is contained in:
Joshua Bell 2026-01-29 13:58:49 -06:00
parent 221d0ca596
commit 2555a47d62
3 changed files with 34 additions and 68 deletions
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7
internal/vm/qemu.go
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@ -12,13 +12,14 @@ import (
func buildQEMUCommand(cfg *config.Config, sshPort int, mounts []virtiofsd.Mount) []string {
memSize := cfg.VM.Memory
// vhost-user-fs requires shared memory backend
// vhost-user-fs requires shared memory backend with share=on
// We must specify memory size only via the memory backend and attach it to NUMA
// The -m flag must match the memory backend size for QEMU to be happy
args := []string{
"-machine", "q35",
"-machine", "q35,memory-backend=mem",
"-accel", "kvm",
"-cpu", "host",
"-object", fmt.Sprintf("memory-backend-memfd,id=mem,size=%s,share=on", memSize),
"-numa", "node,memdev=mem",
"-smp", strconv.Itoa(cfg.VM.CPUs),
"-display", "none",
"-daemonize",