*** FINAL System shutdown message from root@fledgling.east.rtk0.net ***      
                        phys_avail_count++;
System going down IMMEDIATELY                                                  

                                                                               
Connection to fledgling closed by remote host.
Connection to fledgling closed._alloc: could not allocate memory");
You have new mail in /home/bdragon/Maildir
bdragon@cogitate:~/tag1/Inflexion/sml/docroot$ ssh root@fledgling
Last login: Thu Jun 20 09:35:24 2019 from dyn-93.east.rtk0.net
FreeBSD 13.0-CURRENT (BDRAGON-PERF) #7 0c6ff1a7cf7(superglue)-dirty: Thu Jun 20 11:57:46 CDT 2019
{
    /""\      ,  Every day is KERNEL DEBUG DAY when you're on 
   <>^  L____/|   __ _          _       _ _             _ 
    `) /`   , /  / _| | ___  __| | __ _| (_)_ __   __ _| |
     \ `---' /  | |_| |/ _ \/ _` |/ _` | | | '_ \ / _` | |R(pvo)) == NULL,
      `'";\)`   |  _| |  __/ (_| | (_| | | | | | | (_| |_|O_VADDR(pvo)));
   sk   _/_Y    |_| |_|\___|\__,_|\__, |_|_|_| |_|\__, (_)
                                  |___/           |___/   
Welcome to FreeBSD!
root@fledgling:~ # 
         * Add to pmap list
         */     
        RB_INSERT(pvo_tree, &pvo->pvo_pmap->pmap_pvo, pvo);

        /*
         * Remember if the list was empty and therefore will be the first
         * item.
         */
        if (pvo_head != NULL) {
                if (LIST_FIRST(pvo_head) == NULL)
                        first = 1;
                LIST_INSERT_HEAD(pvo_head, pvo, pvo_vlink);
        }
 
        if (pvo->pvo_vaddr & PVO_WIRED)
                pvo->pvo_pmap->pm_stats.wired_count++;
        pvo->pvo_pmap->pm_stats.resident_count++;

        /*
         * Insert it into the hardware page table
         */
        err = MOEA64_PTE_INSERT(mmu, pvo);
        if (err != 0) {
                panic("moea64_pvo_enter: overflow");
        }