D31495.1793642573.diff
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D31495.1793642573.diff
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	Index: sys/kern/kern_proc.c
	===================================================================
	--- sys/kern/kern_proc.c
	+++ sys/kern/kern_proc.c
	@@ -128,7 +128,7 @@
	u_long pidhashlock;
	struct pgrphashhead *pgrphashtbl;
	u_long pgrphash;
	-struct proclist allproc;
	+struct proclist allproc = LIST_HEAD_INITIALIZER(allproc);
	struct sx __exclusive_cache_line allproc_lock;
	struct sx __exclusive_cache_line proctree_lock;
	struct mtx __exclusive_cache_line ppeers_lock;
	@@ -185,7 +185,6 @@
	sx_init(&proctree_lock, "proctree");
	mtx_init(&ppeers_lock, "p_peers", NULL, MTX_DEF);
	mtx_init(&procid_lock, "procid", NULL, MTX_DEF);
	- LIST_INIT(&allproc);
	pidhashtbl = hashinit(maxproc / 4, M_PROC, &pidhash);
	pidhashlock = (pidhash + 1) / 64;
	if (pidhashlock > 0)
	Index: sys/kern/subr_kdb.c
	===================================================================
	--- sys/kern/subr_kdb.c
	+++ sys/kern/subr_kdb.c
	@@ -608,6 +608,10 @@
	struct thread *thr;
	u_int i;

	+ /* This function may be called early. */
	+ if (pidhashtbl == NULL)
	+ return (&thread0);
	+
	for (i = 0; i <= pidhash; i++) {
	LIST_FOREACH(p, &pidhashtbl[i], p_hash) {
	thr = FIRST_THREAD_IN_PROC(p);
	@@ -651,6 +655,8 @@
	thr = TAILQ_NEXT(thr, td_plist);
	if (thr != NULL)
	return (thr);
	+ if (pidhashtbl == NULL)
	+ return (NULL);
	hash = p->p_pid & pidhash;
	for (;;) {
	p = LIST_NEXT(p, p_hash);