[xen-4.10-testing bisection] unreproducible build-arm64

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

branch xen-4.10-testing
xenbranch xen-4.10-testing
job build-arm64
testid xen-build

Tree: ovmf git://xenbits.xen.org/osstest/ovmf.git
Tree: qemuu git://xenbits.xen.org/qemu-xen.git
Tree: seabios git://xenbits.xen.org/osstest/seabios.git
Tree: xen git://xenbits.xen.org/xen.git

*** Not reproducible - supposed basis failure ***
  Could not reproduce problem, or could not reproduce basis pass.
  Unexpected test results; at this revision (supposed basis failure):
  6ff7c838d09224dd4e4c9b5b93152d8db1b19740 
8acabec966263f90ad493e4af2642947c0c43d23 
2e3de6253422112ae43e608661ba94ea6b345694 
a1a9b055a349748083665e42843f75d6db2c6a7b
   flight 150941 (blessed real) result fail


For bisection revision-tuple graph see:
   
http://logs.test-lab.xenproject.org/osstest/results/bisect/xen-4.10-testing/build-arm64.xen-build.html
Revision IDs in each graph node refer, respectively, to the Trees above.

----------------------------------------
Running cs-bisection-step 
--graph-out=/home/logs/results/bisect/xen-4.10-testing/build-arm64.xen-build 
--summary-out=tmp/150948.bisection-summary --basis-template=150039 
--blessings=real,real-bisect --flight=150948 xen-4.10-testing build-arm64 
xen-build
Searching for failure / basis pass:
 150941 fail [host=laxton1] / 150039 [host=laxton0] 149676 [host=laxton0] 
149650 [host=rochester0] 146101 [host=laxton0] 146076 [host=laxton0] 144798 ok.
Failure / basis pass flights: 150941 / 144798
Tree: ovmf git://xenbits.xen.org/osstest/ovmf.git
Tree: qemuu git://xenbits.xen.org/qemu-xen.git
Tree: seabios git://xenbits.xen.org/osstest/seabios.git
Tree: xen git://xenbits.xen.org/xen.git
Latest 6ff7c838d09224dd4e4c9b5b93152d8db1b19740 
8acabec966263f90ad493e4af2642947c0c43d23 
2e3de6253422112ae43e608661ba94ea6b345694 
a1a9b055a349748083665e42843f75d6db2c6a7b
Basis pass 804666c86e7b6f04fe5c5cfdb13199c19e0e99b0 
8acabec966263f90ad493e4af2642947c0c43d23 
f21b5a4aeb020f2a5e2c6503f906a9349dd2f069 
6cb1cb9c63e91b71ce639e7b7cf08ca85d44266f
Generating revisions with ./adhoc-revtuple-generator  
git://xenbits.xen.org/osstest/ovmf.git#804666c86e7b6f04fe5c5cfdb13199c19e0e99b0-6ff7c838d09224dd4e4c9b5b93152d8db1b19740
 
git://xenbits.xen.org/qemu-xen.git#8acabec966263f90ad493e4af2642947c0c43d23-8acabec966263f90ad493e4af2642947c0c43d23
 
git://xenbits.xen.org/osstest/seabios.git#f21b5a4aeb020f2a5e2c6503f906a9349dd2f069-2e3de6253422112ae43e608661ba94ea6b345694
 
git://xenbits.xen.org/xen.git#6cb1cb9c63e91b71ce639e7b7cf08ca85d44266f-a1a9b055a3497\
 48083665e42843f75d6db2c6a7b
>From git://cache:9419/git://xenbits.xen.org/osstest/ovmf
   cfd73e0065..6ff7c838d0  xen-tested-master -> origin/xen-tested-master
Use of uninitialized value $parents in array dereference at 
./adhoc-revtuple-generator line 465.
Use of uninitialized value in concatenation (.) or string at 
./adhoc-revtuple-generator line 465.
Loaded 8337 nodes in revision graph
Searching for test results:
 144772 [host=rochester0]
 144728 pass 804666c86e7b6f04fe5c5cfdb13199c19e0e99b0 
8acabec966263f90ad493e4af2642947c0c43d23 
f21b5a4aeb020f2a5e2c6503f906a9349dd2f069 
6cb1cb9c63e91b71ce639e7b7cf08ca85d44266f
 144798 pass 804666c86e7b6f04fe5c5cfdb13199c19e0e99b0 
8acabec966263f90ad493e4af2642947c0c43d23 
f21b5a4aeb020f2a5e2c6503f906a9349dd2f069 
6cb1cb9c63e91b71ce639e7b7cf08ca85d44266f
 146076 [host=laxton0]
 146101 [host=laxton0]
 149650 [host=rochester0]
 149676 [host=laxton0]
 150039 [host=laxton0]
 150941 fail 6ff7c838d09224dd4e4c9b5b93152d8db1b19740 
8acabec966263f90ad493e4af2642947c0c43d23 
2e3de6253422112ae43e608661ba94ea6b345694 
a1a9b055a349748083665e42843f75d6db2c6a7b
Searching for interesting versions
 Result found: flight 144728 (pass), for basis pass
 For basis failure, parent search stopping at 
804666c86e7b6f04fe5c5cfdb13199c19e0e99b0 
8acabec966263f90ad493e4af2642947c0c43d23 
f21b5a4aeb020f2a5e2c6503f906a9349dd2f069 
6cb1cb9c63e91b71ce639e7b7cf08ca85d44266f, results HASH(0x5567284ec410) 
HASH(0x5567284edd58)
*** Not reproducible - supposed basis failure ***
  Could not reproduce problem, or could not reproduce basis pass.
  Unexpected test results; at this revision (supposed basis failure):
  6ff7c838d09224dd4e4c9b5b93152d8db1b19740 
8acabec966263f90ad493e4af2642947c0c43d23 
2e3de6253422112ae43e608661ba94ea6b345694 
a1a9b055a349748083665e42843f75d6db2c6a7b
   flight 150941 (blessed real) result fail

dot: graph is too large for cairo-renderer bitmaps. Scaling by 0.677424 to fit
pnmtopng: 14 colors found
Revision graph left in 
/home/logs/results/bisect/xen-4.10-testing/build-arm64.xen-build.{dot,ps,png,html,svg}.
No revision to test.