diff -NurpP --minimal linux-2.6.22.10-vs2.3.0.29/init/main.c linux-2.6.22.10-vs2.3.0.29.1/init/main.c
--- linux-2.6.22.10-vs2.3.0.29/init/main.c	2007-08-05 20:53:13 +0200
+++ linux-2.6.22.10-vs2.3.0.29.1/init/main.c	2007-11-02 00:16:34 +0100
@@ -375,6 +375,10 @@ static void __init setup_per_cpu_areas(v
 	size = ALIGN(PERCPU_ENOUGH_ROOM + vspc, PAGE_SIZE);
 	ptr = alloc_bootmem_pages(size * nr_possible_cpus);
 
+	printk("percpu: %dx%d=%ld %d+%ld=%ld\n",
+		PERCPU_PERCTX, CONFIG_VSERVER_CONTEXTS, vspc, 
+		PERCPU_ENOUGH_ROOM, vspc, size);
+
 	for_each_possible_cpu(i) {
 		__per_cpu_offset[i] = ptr - __per_cpu_start;
 		memcpy(ptr, __per_cpu_start, __per_cpu_end - __per_cpu_start);
diff -NurpP --minimal linux-2.6.22.10-vs2.3.0.29/kernel/vserver/context.c linux-2.6.22.10-vs2.3.0.29.1/kernel/vserver/context.c
--- linux-2.6.22.10-vs2.3.0.29/kernel/vserver/context.c	2007-10-05 14:54:36 +0200
+++ linux-2.6.22.10-vs2.3.0.29.1/kernel/vserver/context.c	2007-11-02 00:32:32 +0100
@@ -71,14 +71,20 @@ static struct vx_info *__alloc_vx_info(x
 
 	/* would this benefit from a slab cache? */
 	new = kmalloc(sizeof(struct vx_info), GFP_KERNEL);
-	if (!new)
+	if (!new) {
+		printk("kmalloc failed\n");
 		return 0;
+	}
 
 	memset(new, 0, sizeof(struct vx_info));
 #ifdef CONFIG_SMP
 	new->ptr_pc = alloc_percpu(struct _vx_info_pc);
-	if (!new->ptr_pc)
+	if (!new->ptr_pc) {
+		printk("percpu failed with %ld\n", PTR_ERR(new->ptr_pc));	
 		goto error;
+	}
+	printk("percpu allocated %p[%d]\n", new->ptr_pc, 
+		sizeof(struct _vx_info_pc));
 #endif
 	new->vx_id = xid;
 	INIT_HLIST_NODE(&new->vx_hlist);
@@ -158,6 +164,7 @@ static void __dealloc_vx_info(struct vx_
 	vxi->vx_state |= VXS_RELEASED;
 
 #ifdef CONFIG_SMP
+	printk("percpu free %p\n", vxi->ptr_pc);
 	free_percpu(vxi->ptr_pc);
 #endif
 	kfree(vxi);