MVME167

Eric Norum norume at aps.anl.gov
Sun Jun 1 23:41:22 UTC 2003


Sorry, I clicked 'Send' too soon.
Here's the stack usage after a few minutes of operation.  Everything 
looks fine:

epics> stackCheck
Stack usage by thread
     ID      NAME       LOW        HIGH     AVAILABLE      USED
0x09010001  IDLE  0x001ff390  0x0021338f      81904        180
0x0a010001  UI1   0x001fb200  0x001ff1ff      16368       2164
0x0a010002  Imsg  0x001f8fb8  0x001faef7       7984        208
0x0a010003  ntwk  0x001f6364  0x001f8363       8176        476
0x0a010004  UTtx  0x001f41d4  0x001f61d3       8176        304
0x0a010005  UTrx  0x001f2044  0x001f4043       8176        312
0x0a010006  UTrt  0x001efeb4  0x001f1eb3       8176        256
0x0a010007  errl  0x001edde4  0x001efd23       7984       1188
0x0a010008  task  0x001ebbbc  0x001edafb       7984        280
0x0a010009  time  0x001e89f4  0x001eb8d3      11984        796
0x0a01000a  cbLo  0x001e311c  0x001e870b      21984        224
0x0a01000b  cbMe  0x001dd844  0x001e2e33      21984        224
0x0a01000c  cbHi  0x001d7f6c  0x001dd55b      21984        224
0x0a01000d  dbCa  0x001d2674  0x001d7c63      21984       3152
0x0a01000e  scan  0x001ccd9c  0x001d238b      21984        400
0x0a01000f  scan  0x001c74c4  0x001ccab3      21984        196
0x0a010010  scan  0x001c1bec  0x001c71db      21984        888
0x0a010011  scan  0x001bc314  0x001c1903      21984        888
0x0a010012  scan  0x001b6a3c  0x001bc02b      21984        896
0x0a010013  scan  0x001b1164  0x001b6753      21984        196
0x0a010014  scan  0x001ab88c  0x001b0e7b      21984        196
0x0a010015  scan  0x001a5fb4  0x001ab5a3      21984        204
0x0a010016  dnsQ  0x001a3cac  0x001a5cab       8176        764
0x0a010017  time  0x001a0ae4  0x001a39c3      11984        796
0x0a010018  CAC-  0x0019d8dc  0x001a07bb      11984       2824
0x0a010019  CAS-  0x0019a6f4  0x0019d5d3      11984       1376
0x0a01001a  CAS-  0x0019752c  0x0019a40b      11984       1464
0x0a01001b  CAS-  0x00195304  0x00197243       7984       1588
0xffffffff  INTR  0x002287ac  0x002297ab       4080        516


After a few more minutes I get:
  BLOWN STACK!!! Offending task(0x227a40): id=0x09010001; name=0x00110ed4
   stack covers range 0x001ff390 - 0x0021338f (81920 bytes)
   Damaged pattern begins at 0x001ff398 and is 16 bytes long
Stack usage by thread
     ID      NAME       LOW        HIGH     AVAILABLE      USED
0x09010001  IDLE  0x001ff390  0x0021338f      81904      81888
0x0a010001  UI1   0x001fb200  0x001ff1ff      16368      16352
0x0a010002  Imsg  0x001f8fb8  0x001faef7       7984       7968
0x0a010003  ntwk  0x001f6364  0x001f8363       8176       8160
0x0a010004  UTtx  0x001f41d4  0x001f61d3       8176       8160
0x0a010005  UTrx  0x001f2044  0x001f4043       8176       1680
0x0a010006  UTrt  0x001efeb4  0x001f1eb3       8176        256
0x0a010007  errl  0x001edde4  0x001efd23       7984       1188
0x0a010008  task  0x001ebbbc  0x001edafb       7984        280
0x0a010009  time  0x001e89f4  0x001eb8d3      11984        796
0x0a01000a  cbLo  0x001e311c  0x001e870b      21984        224
0x0a01000b  cbMe  0x001dd844  0x001e2e33      21984        224
0x0a01000c  cbHi  0x001d7f6c  0x001dd55b      21984        224
0x0a01000d  dbCa  0x001d2674  0x001d7c63      21984       3152
0x0a01000e  scan  0x001ccd9c  0x001d238b      21984        400
0x0a01000f  scan  0x001c74c4  0x001ccab3      21984        196
0x0a010010  scan  0x001c1bec  0x001c71db      21984        888
0x0a010011  scan  0x001bc314  0x001c1903      21984        888
0x0a010012  scan  0x001b6a3c  0x001bc02b      21984        896
0x0a010013  scan  0x001b1164  0x001b6753      21984        196
0x0a010014  scan  0x001ab88c  0x001b0e7b      21984        196
0x0a010015  scan  0x001a5fb4  0x001ab5a3      21984        204
0x0a010016  dnsQ  0x001a3cac  0x001a5cab       8176        764
0x0a010017  time  0x001a0ae4  0x001a39c3      11984        796
0x0a010018  CAC-  0x0019d8dc  0x001a07bb      11984       2824
0x0a010019  CAS-  0x0019a6f4  0x0019d5d3      11984       1376
0x0a01001a  CAS-  0x0019752c  0x0019a40b      11984       1464
0x0a01001b  CAS-  0x00195304  0x00197243       7984       1588
0xffffffff  INTR  0x002287ac  0x002297ab


As you can see it looks like the IDLE stack has dropped right down over 
the full 80 kbytes and trashed the task stacks below it!
-- 
Eric Norum <norume at aps.anl.gov>
Advanced Photon Source
Argonne National Laboratory
(630) 252-4793





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