[xen-4.11-testing bisection] unreproducible build-arm64

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

branch xen-4.11-testing
xenbranch xen-4.11-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 
06fbdaf7d6c43b55339d4ad74c77c9be84ae41ad 
2e3de6253422112ae43e608661ba94ea6b345694 
b8d476a9eaee8877cd5ba2c9eb6dbc5412626d13
   flight 150942 (blessed real) result fail


For bisection revision-tuple graph see:
   
http://logs.test-lab.xenproject.org/osstest/results/bisect/xen-4.11-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-4.11-testing/build-arm64.xen-build 
--summary-out=tmp/150949.bisection-summary --basis-template=150040 
--blessings=real,real-bisect --flight=150949 xen-4.11-testing build-arm64 
xen-build
Searching for failure / basis pass:
 150942 fail [host=laxton1] / 150040 [host=rochester1] 149701 [host=laxton0] 
149651 [host=rochester1] 149556 [host=laxton0] 148127 [host=laxton0] 146104 ok.
Failure / basis pass flights: 150942 / 146104
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 
06fbdaf7d6c43b55339d4ad74c77c9be84ae41ad 
2e3de6253422112ae43e608661ba94ea6b345694 
b8d476a9eaee8877cd5ba2c9eb6dbc5412626d13
Basis pass 70911f1f4aee0366b6122f2b90d367ec0f066beb 
06fbdaf7d6c43b55339d4ad74c77c9be84ae41ad 
2f4d068645c211e309812372cd0ac58c9024e93b 
ddffc4d8a072f146320f4ca58c768c4b563ab571
Generating revisions with ./adhoc-revtuple-generator  
git://xenbits.xen.org/osstest/ovmf.git#70911f1f4aee0366b6122f2b90d367ec0f066beb-6ff7c838d09224dd4e4c9b5b93152d8db1b19740
 
git://xenbits.xen.org/qemu-xen.git#06fbdaf7d6c43b55339d4ad74c77c9be84ae41ad-06fbdaf7d6c43b55339d4ad74c77c9be84ae41ad
 
git://xenbits.xen.org/osstest/seabios.git#2f4d068645c211e309812372cd0ac58c9024e93b-2e3de6253422112ae43e608661ba94ea6b345694
 
git://xenbits.xen.org/xen.git#ddffc4d8a072f146320f4ca58c768c4b563ab571-b8d476a9eaee8\
 877cd5ba2c9eb6dbc5412626d13
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 8256 nodes in revision graph
Searching for test results:
 146077 pass 70911f1f4aee0366b6122f2b90d367ec0f066beb 
06fbdaf7d6c43b55339d4ad74c77c9be84ae41ad 
2f4d068645c211e309812372cd0ac58c9024e93b 
ddffc4d8a072f146320f4ca58c768c4b563ab571
 146104 pass 70911f1f4aee0366b6122f2b90d367ec0f066beb 
06fbdaf7d6c43b55339d4ad74c77c9be84ae41ad 
2f4d068645c211e309812372cd0ac58c9024e93b 
ddffc4d8a072f146320f4ca58c768c4b563ab571
 148127 [host=laxton0]
 149556 [host=laxton0]
 149651 [host=rochester1]
 149701 [host=laxton0]
 150040 [host=rochester1]
 150942 fail 6ff7c838d09224dd4e4c9b5b93152d8db1b19740 
06fbdaf7d6c43b55339d4ad74c77c9be84ae41ad 
2e3de6253422112ae43e608661ba94ea6b345694 
b8d476a9eaee8877cd5ba2c9eb6dbc5412626d13
Searching for interesting versions
 Result found: flight 146077 (pass), for basis pass
 For basis failure, parent search stopping at 
70911f1f4aee0366b6122f2b90d367ec0f066beb 
06fbdaf7d6c43b55339d4ad74c77c9be84ae41ad 
2f4d068645c211e309812372cd0ac58c9024e93b 
ddffc4d8a072f146320f4ca58c768c4b563ab571, results HASH(0x5649fc8a5200) 
HASH(0x5649fc8a4f30)
*** 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 
06fbdaf7d6c43b55339d4ad74c77c9be84ae41ad 
2e3de6253422112ae43e608661ba94ea6b345694 
b8d476a9eaee8877cd5ba2c9eb6dbc5412626d13
   flight 150942 (blessed real) result fail

dot: graph is too large for cairo-renderer bitmaps. Scaling by 0.72869 to fit
pnmtopng: 17 colors found
Revision graph left in 
/home/logs/results/bisect/xen-4.11-testing/build-arm64.xen-build.{dot,ps,png,html,svg}.
No revision to test.