linux 4.13.0-37.42 ADT test failure with linux 4.13.0-37.42

[Kleber Sacilotto de Souza]

Testing failed on:
    i386: https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-artful/artful/i386/l/linux/20180309_144848_e1b37@/log.gz

[Kleber Sacilotto de Souza (kleber-souza)]

open FAILED
  stress-ng: debug: [20547] 4 processors online, 4 processors configured
  stress-ng: info: [20547] dispatching hogs: 4 open
  stress-ng: debug: [20547] cache allocate: default cache size: 16384K
  stress-ng: debug: [20547] starting stressors
  stress-ng: debug: [20548] stress-ng-open: started [20548] (instance 0)
  stress-ng: debug: [20547] 4 stressors spawned
  stress-ng: debug: [20549] stress-ng-open: started [20549] (instance 1)
  stress-ng: debug: [20550] stress-ng-open: started [20550] (instance 2)
  stress-ng: debug: [20551] stress-ng-open: started [20551] (instance 3)
  stress-ng: debug: [20547] process [20548] (stress-ng-open) terminated on signal: 9 (Killed)
  stress-ng: debug: [20547] process [20548] terminated
  stress-ng: debug: [20547] process [20549] (stress-ng-open) terminated on signal: 9 (Killed)
  stress-ng: debug: [20547] process [20549] terminated
  stress-ng: debug: [20550] stress-ng-open: exited [20550] (instance 2)
  stress-ng: debug: [20547] process [20550] terminated
  stress-ng: debug: [20547] process [20551] (stress-ng-open) terminated on signal: 9 (Killed)
  stress-ng: debug: [20547] process [20551] terminated
  stress-ng: info: [20547] unsuccessful run completed in 5.24s

[Colin Ian King (colin-king)]

I've added more smarts into stress-ng to detect if the OOM killer killed these stressors and not mark it as failed

http://kernel.ubuntu.com/git/cking/stress-ng.git/commit/?id=be1ef4b962e50ced6d80db7eaa03eee77b43e003

[Colin Ian King (colin-king)]

This failure was probably an OOM kill on the test, the stress-ng update as mentioned in comment #2 will be able to identify these and not mark them as a test failure.