[xen-4.12-testing bisection] doubtful build-amd64-prev

[osstest service owner <osstest-admin@xxxxxxxxxxxxxx>]

branch xen-4.12-testing
xenbranch xen-4.12-testing
job build-amd64-prev
testid xen-build

Tree: xen prev git://xenbits.xen.org/xen.git

*** Flailing - >=5 identical flights to no useful effect ***
  Bisector is flailing: >=5 identical flights generated.
  Problem occurs when attempting to test this revision:
   e983e8ae84efd5e43045a3d20a820f13cb4a75bf
  
  Identical previous flights on this branch:
   146130  started 2020-01-15 20:47:57 Z  blessed real-bisect
   146125  started 2020-01-15 19:12:28 Z  blessed real-bisect
   146122  started 2020-01-15 17:53:27 Z  blessed real-bisect
   146115  started 2020-01-15 15:51:37 Z  blessed real-bisect
   146114  started 2020-01-15 15:23:21 Z  blessed real-bisect
   146135  just generated


----------------------------------------
Running cs-bisection-step 
--graph-out=/home/logs/results/bisect/xen-4.12-testing/build-amd64-prev.xen-build
 --summary-out=tmp/146135.bisection-summary --basis-template=145017 
--blessings=real,real-bisect --flight=146135 xen-4.12-testing build-amd64-prev 
xen-build
Searching for failure / basis pass:
 146078 fail [host=chardonnay0] / 145017 [host=italia0] 144717 [host=godello1] 
144587 [host=chardonnay1] 144339 [host=chardonnay1] 144319 [host=godello1] 
144308 [host=huxelrebe1] 144299 [host=godello0] 144291 [host=godello1] 144287 
[host=godello1] 144281 [host=godello1] 144272 [host=godello0] 144258 
[host=godello1] 144247 [host=godello1] 144241 [host=godello0] 144235 
[host=godello1] 144228 [host=godello1] 144216 [host=godello1] 144207 
[host=huxelrebe0] 144201 [host=huxelrebe1] 144195 [host=godel\
 lo0] 144191 [host=elbling0] 144186 [host=godello0] 144176 [host=huxelrebe1] 
144169 [host=godello0] 144158 [host=godello1] 144141 [host=godello0] 144109 
[host=godello1] 144078 [host=godello1] 144059 [host=huxelrebe1] 144035 
[host=elbling0] 144007 [host=godello1] 143996 [host=godello1] 143980 
[host=godello1] 143955 [host=godello1] 143922 [host=godello1] 143851 
[host=godello1] 143677 [host=godello1] 143577 [host=godello1] 143458 
[host=pinot1] 143371 [host=godello1] 143302 [host=godello1] 143190 [ho\
 st=italia0] 143155 [host=chardonnay1] 141776 [host=huxelrebe0] 141710 
[host=huxelrebe1] 139891 [host=godello0] 139865 [host=italia0] 139736 
[host=albana1] 139449 [host=debina0] 139416 [host=godello0] 139388 
[host=chardonnay1] 139366 [host=debina0] 139177 [host=fiano0] 138793 
[host=albana1] 138759 [host=albana0] 137867 [host=albana0] 137729 
[host=godello1] 137583 [host=godello1] 137475 [host=godello0] 137384 
[host=pinot1] 137278 [host=godello1] 136728 [host=albana0] 136564 
[host=elbling1] 136405 \
 [host=albana0] 136233 [host=godello0] 135911 [host=godello0] 135805 ok.
Failure / basis pass flights: 146078 / 135805
(tree in latest but not in basispass: ovmf prev)
(tree in latest but not in basispass: seabios prev)
Tree: xen prev git://xenbits.xen.org/xen.git
Latest 14b62ab3e5a79816edfc6dd3afce1bb68c106ac5
Basis pass e983e8ae84efd5e43045a3d20a820f13cb4a75bf
Generating revisions with ./adhoc-revtuple-generator  
git://xenbits.xen.org/xen.git#e983e8ae84efd5e43045a3d20a820f13cb4a75bf-14b62ab3e5a79816edfc6dd3afce1bb68c106ac5
Loaded 5001 nodes in revision graph
Searching for test results:
 135476 pass irrelevant
 135674 [host=godello1]
 135805 pass e983e8ae84efd5e43045a3d20a820f13cb4a75bf
 135911 [host=godello0]
 136233 [host=godello0]
 136405 [host=albana0]
 136564 [host=elbling1]
 136728 [host=albana0]
 137278 [host=godello1]
 137384 [host=pinot1]
 137475 [host=godello0]
 137583 [host=godello1]
 137729 [host=godello1]
 137867 [host=albana0]
 138759 [host=albana0]
 138793 [host=albana1]
 139177 [host=fiano0]
 139366 [host=debina0]
 139388 [host=chardonnay1]
 139416 [host=godello0]
 139449 [host=debina0]
 139736 [host=albana1]
 139865 [host=italia0]
 139891 [host=godello0]
 141710 [host=huxelrebe1]
 141776 [host=huxelrebe0]
 143155 [host=chardonnay1]
 143190 [host=italia0]
 143302 [host=godello1]
 143371 [host=godello1]
 143458 [host=pinot1]
 143577 [host=godello1]
 143677 [host=godello1]
 143851 [host=godello1]
 143955 [host=godello1]
 143922 [host=godello1]
 143980 [host=godello1]
 143996 [host=godello1]
 144007 [host=godello1]
 144035 [host=elbling0]
 144059 [host=huxelrebe1]
 144078 [host=godello1]
 144109 [host=godello1]
 144141 [host=godello0]
 144158 [host=godello1]
 144169 [host=godello0]
 144176 [host=huxelrebe1]
 144186 [host=godello0]
 144191 [host=elbling0]
 144195 [host=godello0]
 144201 [host=huxelrebe1]
 144235 [host=godello1]
 144216 [host=godello1]
 144207 [host=huxelrebe0]
 144228 [host=godello1]
 144272 [host=godello0]
 144241 [host=godello0]
 144258 [host=godello1]
 144247 [host=godello1]
 144281 [host=godello1]
 144287 [host=godello1]
 144299 [host=godello0]
 144291 [host=godello1]
 144319 [host=godello1]
 144308 [host=huxelrebe1]
 144339 [host=chardonnay1]
 144587 [host=chardonnay1]
 144717 [host=godello1]
 145017 [host=italia0]
 146078 fail 14b62ab3e5a79816edfc6dd3afce1bb68c106ac5
 146130 !! flight 146130 no revisions or trees
 146114 !! flight 146114 no revisions or trees
 146115 !! flight 146115 no revisions or trees
 146122 !! flight 146122 no revisions or trees
 146125 !! flight 146125 no revisions or trees
Searching for interesting versions
 Result found: flight 135805 (pass), for basis pass
 Result found: flight 146078 (fail), for basis failure
Need to reproduce basis pass (pass); had 1 already.
Should test e983e8ae84efd5e43045a3d20a820f13cb4a75bf.
pnmtopng: 54 colors found
Revision graph left in 
/home/logs/results/bisect/xen-4.12-testing/build-amd64-prev.xen-build.{dot,ps,png,html,svg}.
Populating 146135...
Need 146135.build-amd64-prev (like 146078)
Creating 146135.build-amd64-prev (copying from 146078)
Checking for flail (since 135805)...

*** Flailing - >=5 identical flights to no useful effect ***
  Bisector is flailing: >=5 identical flights generated.
  Problem occurs when attempting to test this revision:
   e983e8ae84efd5e43045a3d20a820f13cb4a75bf
  
  Identical previous flights on this branch:
   146130  started 2020-01-15 20:47:57 Z  blessed real-bisect
   146125  started 2020-01-15 19:12:28 Z  blessed real-bisect
   146122  started 2020-01-15 17:53:27 Z  blessed real-bisect
   146115  started 2020-01-15 15:51:37 Z  blessed real-bisect
   146114  started 2020-01-15 15:23:21 Z  blessed real-bisect
   146135  just generated


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