D45018.id.diff
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D45018.id.diff
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	diff --git a/libexec/rc/rc.d/devmatch b/libexec/rc/rc.d/devmatch
	--- a/libexec/rc/rc.d/devmatch
	+++ b/libexec/rc/rc.d/devmatch
	@@ -46,6 +46,7 @@
	if [ -n "$one_nomatch" ]; then
	list=$(devmatch -p "${one_nomatch}" \| sort -u)
	else
	+ sysctl hw.bus.devctl_nomatch_enabled=1
	list=$(devmatch \| sort -u)
	fi

	diff --git a/sys/kern/kern_devctl.c b/sys/kern/kern_devctl.c
	--- a/sys/kern/kern_devctl.c
	+++ b/sys/kern/kern_devctl.c
	@@ -89,6 +89,9 @@
	static int devctl_queue_length = DEVCTL_DEFAULT_QUEUE_LEN;
	SYSCTL_PROC(_hw_bus, OID_AUTO, devctl_queue, CTLTYPE_INT \| CTLFLAG_RWTUN \|
	CTLFLAG_MPSAFE, NULL, 0, sysctl_devctl_queue, "I", "devctl queue length");
	+static bool nomatch_enabled = 0;
	+SYSCTL_BOOL(_hw_bus, OID_AUTO, devctl_nomatch_enabled, CTLFLAG_RWTUN,
	+ &nomatch_enabled, 0, "enable nomatch events");

	static void devctl_attach_handler(void *arg __unused, device_t dev);
	static void devctl_detach_handler(void *arg __unused, device_t dev,
	@@ -208,7 +211,8 @@
	static void
	devctl_nomatch_handler(void *arg __unused, device_t dev)
	{
	- devaddq("?", "", dev);
	+ if (nomatch_enabled)
	+ devaddq("?", "", dev);
	}

	static int