needed a crash course in crash dump!!!!

Jerry K. Lau jkl at PacBell.COM
Thu Nov 1 03:32:48 AEST 1990


My AT&T 3B2/600 crashed on Oct 10 and I suspected that the cause was the inode
table related.  Because the output of the "user" command showed
"inode of current directory: 599" and the tuneable parameter of 
ve_inode and  v_s5inode are set to 600.  Would anyone of you netters 
provide me with your expertise of what exactly caused my system to crash.

I would be grateful if you can send your response via email: 
	{pyrmaid!pacbell!pbhyf!jkl}

Thanx in advance.

J. Lau

P.S.
Below are the output from the crash dump.  If it isn't 
enough data for trouble-shooting, I will be happy to
send you more crash output.

vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv

> trace 
STACK TRACE FOR PROCESS 47:
STKADDR   FRAMEPTR   ARGPTR   FUNCTION
c00008ac  c00008ac  c0000884  getcb   (20158960)
c0000884  c0000884  c0000858  ttyflush(20158960,3)
c0000858  c0000858  c0000828  xpcclose(2900,3,2)
c0000828  c0000824  c00007f0  s5closei(201229e8,3,1,140)
c00007f0  c00007ec  c00007c4  closef  (2011a1d4)
c00007c4  c00007bc  c0000794  exit    (100)
c0000794  c0000794  c0000770  rexit   ()
c0000770  c0000760  c00204e0  systrap ()

> user
PER PROCESS USER AREA FOR PROCESS 47
USER ID's:	uid: 0, gid: 1, real uid: 0, real gid: 1
PROCESS TIMES:	user: 13, sys: 99, child user: 0, child sys: 0
PROCESS MISC:
	command: x25hpad, psargs: /usr/x25hpad/bin/x25hpad 
	proc slot: 47, cntrl tty: maj(??) min(??)
	start: Wed Oct 10 11:59:49 1990
	mem: 1d5, type: exec su-user
	proc/text lock: none
	stack: c0000744,	inode of current directory: 599
OPEN FILES AND POFILE FLAGS:
	[3]: F#13, 0		[4]: F#5, 80		[5]: F#19, 8a	
	[6]: F#20, aa		[7]: F#133, 85		[8]: F#34, a		[9]: F#53, 3e	
	[10]: F#125, 20		[11]: F#148, 75	
FILE I/O:
	u_base: c002054e, file offset: 33111, bytes: 0,
	segment: data, cmask: 0000, ulimit: 2048
	file mode(s): write append
SIGNAL DISPOSITION:
	   1:   ignore   2:   ignore   3:   ignore   4:   ignore
	   5:   ignore   6:   ignore   7:   ignore   8:   ignore
	   9:   ignore  10:   ignore  11:   ignore  12:   ignore
	  13:   ignore  14:   ignore  15:   ignore  16:   ignore
	  17:   ignore  18:   ignore  19:   ignore  20:   ignore
	  21:   ignore  22:   ignore  23:   ignore


> proc 
PROC TABLE SIZE = 200
SLOT ST PID   PPID  PGRP   UID PRI CPU   EVENT     NAME        FLAGS
  47 p  1847   146   146     0  25   1          x25hpad        load

> nvram errlog 
XTRA NVRAM: ERROR LOG

errlog[0]:
time: 271370ec message: 41081c1a
param1: 3120005 param2: 4000d16a param3: c000091c
	param4: c0000944 param5: 4c
Wed Oct 10 12:05:16 1990

Microbus timeout exception at 0x3120005

errlog[1]:
time: 2713670f message: 41081c1a
param1: 3010405 param2: 4000d16a param3: c00008f4
	param4: c000091c param5: 2000
Wed Oct 10 11:23:11 1990

Microbus timeout exception at 0x3010405



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