----- Original Message ----- From: "Andriy Gapon" <a...@freebsd.org>

on 15/08/2011 13:34 Steven Hartland said the following:
(kgdb) list *0xffffffff8053b691
0xffffffff8053b691 is in vm_fault (/usr/src/sys/vm/vm_fault.c:239).
234             /*
235              * Find the backing store object and offset into it to begin the
236              * search.
237              */
238             fs.map = map;
239             result = vm_map_lookup(&fs.map, vaddr, fault_type, &fs.entry,
240                 &fs.first_object, &fs.first_pindex, &prot, &wired);
241             if (result != KERN_SUCCESS) {
242                     if (result != KERN_PROTECTION_FAILURE ||
243                         (fault_flags & VM_FAULT_WIRE_MASK) !=
VM_FAULT_USER_WIRE) {


Interesting... thanks!
Can you please also additionally provide (lengthy) output of x/512a
0xffffff8d8f356fb0 ?

Sorry I'm not sure I follow your their?

Do you mean any of the following:-
(kgdb) x/512a
0xffffff8d8f35b000:     Cannot access memory at address 0xffffff8d8f35b000

(kgdb) list *0xffffff8d8f356fb0
No source file for address 0xffffff8d8f356fb0.

or:
(kgdb) x/512a 0xffffff8d8f356fb0
0xffffff8d8f356fb0:     Cannot access memory at address 0xffffff8d8f356fb0

   Regards
   Steve

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