Fatal trap 12: page fault while in kernel mode [SEC=UNCLASSIFIED]

[Wilkinson, Alex]

    0n Thu, Jan 07, 2010 at 09:35:52AM -0500, John Baldwin wrote: 

    >Can you go to frame 9 and do 'p rv', 'p mpred', and 'p *mpred'?  Can you also do 'p vm_reserv_array'

(kgdb) up 9
#9  0xc0b04452 in vm_reserv_alloc_page (object=0xc207c000, pindex=28795) at /usr/src/sys/vm/vm_reserv.c:320
320			if (rv->object == object && vm_reserv_has_pindex(rv, pindex)) {
(kgdb) p rv
$1 = 0xc445d060
(kgdb) p *mpred
$2 = {pageq = {tqe_next = 0xc75bb360, tqe_prev = 0xc75bb000}, listq = {tqe_next = 0xc75bb360, tqe_prev = 0xc8595170}, left = 0xc7612a20, right = 0xcb721d80, object = 0xc207c000, 
  pindex = 28989, phys_addr = 3876835328, md = {pv_list = {tqh_first = 0x0, tqh_last = 0x0}, pat_mode = 1}, queue = 0 '\0', segind = 0 '\0', flags = 152, order = 0 '\0', pool = 0 '\0', 
  cow = 0, wire_count = 1, hold_count = 0, oflags = 0, act_count = 0 '\0', busy = 0 '\0', valid = 255 'ÿ', dirty = 255 'ÿ'}
(kgdb) p vm_reserv_array
$3 = 0xc4454000
(kgdb) 

  -Alex

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