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vmspawn: enforce minimum uptime with --console=gui

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When using --console=gui the QEMU window closes immediately when the VM
has stopped, so any console output at shutdown is lost, which makes
debugging difficult. Ensure the VM stays booted for a minimum of 15s.
This commit is contained in:
Luca Boccassi
2026-06-01 18:59:20 +01:00
parent 7b62f9b4f5
commit b811fa5b32
1 changed files with 7 additions and 0 deletions
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src/vmspawn/vmspawn.c
+7
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@@ -3049,6 +3049,13 @@ static int run_virtual_machine(int kvm_device_fd, int vhost_device_fd) {
if (r < 0)
return r;
/* When using --console=gui the QEMU window closes immediately when the VM has stopped, so
* any console output at shutdown is lost, which makes debugging difficult. Ensure the VM
* stays booted for a minimum of 15s. */
r = strv_prepend(&arg_kernel_cmdline_extra, "systemd.minimum_uptime_sec=15");
if (r < 0)
return log_oom();
break;
case CONSOLE_HEADLESS: