[xen-4.8-testing bisection] doubtful build-amd64-prev

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

branch xen-4.8-testing
xenbranch xen-4.8-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:
   3d3e474d68b1a063d19b9a330c3463025104970c
  
  Identical previous flights on this branch:
   134907  started 2019-04-17 06:41:39 Z  blessed real-bisect
   134906  started 2019-04-17 06:38:08 Z  blessed real-bisect
   134904  started 2019-04-17 04:02:20 Z  blessed real-bisect
   134901  started 2019-04-17 02:10:07 Z  blessed real-bisect
   134900  started 2019-04-17 01:46:28 Z  blessed real-bisect
   134908  just generated


----------------------------------------
Running cs-bisection-step 
--graph-out=/home/logs/results/bisect/xen-4.8-testing/build-amd64-prev.xen-build
 --summary-out=tmp/134908.bisection-summary --basis-template=130965 
--blessings=real,real-bisect --flight=134908 xen-4.8-testing build-amd64-prev 
xen-build
Searching for failure / basis pass:
 134735 fail [host=albana1] / 133998 [host=godello1] 133978 [host=godello0] 
133940 [host=italia0] 133913 [host=merlot1] 133879 [host=italia1] 133847 
[host=godello0] 133755 [host=albana0] 133708 [host=godello1] 133680 
[host=godello0] 133662 [host=italia0] 133622 [host=godello0] 133598 
[host=godello1] 130965 [host=chardonnay0] 130889 [host=albana0] 130847 
[host=godello1] 129810 ok.
Failure / basis pass flights: 134735 / 129810
Tree: xen prev git://xenbits.xen.org/xen.git
Latest 88f936d44d2e34ca2d0827cc828ea9d3aeef3fe8
Basis pass 3d3e474d68b1a063d19b9a330c3463025104970c
Generating revisions with ./adhoc-revtuple-generator  
git://xenbits.xen.org/xen.git#3d3e474d68b1a063d19b9a330c3463025104970c-88f936d44d2e34ca2d0827cc828ea9d3aeef3fe8
Loaded 1002 nodes in revision graph
Searching for test results:
 129570 [host=joubertin0]
 129729 pass 3d3e474d68b1a063d19b9a330c3463025104970c
 129810 pass 3d3e474d68b1a063d19b9a330c3463025104970c
 130889 [host=albana0]
 130847 [host=godello1]
 130965 [host=chardonnay0]
 133622 [host=godello0]
 133662 [host=italia0]
 133598 [host=godello1]
 133680 [host=godello0]
 133708 [host=godello1]
 133755 [host=albana0]
 133847 [host=godello0]
 133913 [host=merlot1]
 133879 [host=italia1]
 133940 [host=italia0]
 133978 [host=godello0]
 133998 [host=godello1]
 134735 fail 88f936d44d2e34ca2d0827cc828ea9d3aeef3fe8
 134904 !! flight 134904 no revisions or trees
 134901 !! flight 134901 no revisions or trees
 134900 !! flight 134900 no revisions or trees
 134906 !! flight 134906 no revisions or trees
 134907 !! flight 134907 no revisions or trees
Searching for interesting versions
 Result found: flight 129729 (pass), for basis pass
 Result found: flight 134735 (fail), for basis failure
Need to reproduce basis pass (pass); had 1 already.
Should test 3d3e474d68b1a063d19b9a330c3463025104970c.
Revision graph left in 
/home/logs/results/bisect/xen-4.8-testing/build-amd64-prev.xen-build.{dot,ps,png,html,svg}.
Populating 134908...
Need 134908.build-amd64-prev (like 134735)
Creating 134908.build-amd64-prev (copying from 134735)
Checking for flail (since 129729)...

*** Flailing - >=5 identical flights to no useful effect ***
  Bisector is flailing: >=5 identical flights generated.
  Problem occurs when attempting to test this revision:
   3d3e474d68b1a063d19b9a330c3463025104970c
  
  Identical previous flights on this branch:
   134907  started 2019-04-17 06:41:39 Z  blessed real-bisect
   134906  started 2019-04-17 06:38:08 Z  blessed real-bisect
   134904  started 2019-04-17 04:02:20 Z  blessed real-bisect
   134901  started 2019-04-17 02:10:07 Z  blessed real-bisect
   134900  started 2019-04-17 01:46:28 Z  blessed real-bisect
   134908  just generated


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