1 08/15/83  why
 2 
 3 Syntax:  why
 4 
 5 
 6 Function: The why request will try to find the stack that has a call to
 7 syserr_real$syserr_real or call_bce$call_bce and set the temporary
 8 pointers, pr6 and prfr, to the stack frame.  This command will search
 9 the stacks for a frame that has a return_to_ring_0_ frame and set the
10 temporary pointers from this set of machine conditions that called this
11 entry.
12 
13 
14 Notes: If the crash was due to fim_util$check_fault finding a problem, the
15 machine condition CU data is displayed and all temporary pointers are
16 set from these machine conditions.  If this was an Execute Fault then
17 some lock info is printed an the process selected is lock ordered.
18 First sst_seg$ptl followed by sst_seg$aslt then scs$connect_lock next
19 tty_buf$slock and last tty_buf$timer_lock.
20 
21 If this fdump was due to a manual return to BOS then some pertinent lock
22 info will also be printed.