[xen-4.14-testing bisection] unreproducible build-arm64-xsm

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

branch xen-4.14-testing
xenbranch xen-4.14-testing
job build-arm64-xsm
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):
  b1b89f9009f2390652e0061bd7b24fc40732bc70 
83aebe33dc76760f911162f9e7a4b98a4929776b 
d239552ce7220e448ae81f41515138f7b9e3c4db 
57cd4b1c52881e49901b344ca3da00209c4689f7
   flight 169170 (blessed real) result fail


For bisection revision-tuple graph see:
   
http://logs.test-lab.xenproject.org/osstest/results/bisect/xen-4.14-testing/build-arm64-xsm.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-4.14-testing/build-arm64-xsm.xen-build
 --summary-out=tmp/169191.bisection-summary --basis-template=168506 
--blessings=real,real-bisect,real-retry --flight=169191 xen-4.14-testing 
build-arm64-xsm xen-build
Searching for failure / basis pass:
 169170 fail [host=rochester1] / 169158 [host=rochester0] 169147 [host=laxton1] 
169140 [host=laxton1] 169130 [host=laxton1] 169112 ok.
Failure / basis pass flights: 169170 / 169112
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 b1b89f9009f2390652e0061bd7b24fc40732bc70 
83aebe33dc76760f911162f9e7a4b98a4929776b 
d239552ce7220e448ae81f41515138f7b9e3c4db 
57cd4b1c52881e49901b344ca3da00209c4689f7
Basis pass b1b89f9009f2390652e0061bd7b24fc40732bc70 
83aebe33dc76760f911162f9e7a4b98a4929776b 
d239552ce7220e448ae81f41515138f7b9e3c4db 
1e595d9c2b8608bcef48d6a69cc2f6135780bcc0
Generating revisions with ./adhoc-revtuple-generator  
git://xenbits.xen.org/osstest/ovmf.git#b1b89f9009f2390652e0061bd7b24fc40732bc70-b1b89f9009f2390652e0061bd7b24fc40732bc70
 
git://xenbits.xen.org/qemu-xen.git#83aebe33dc76760f911162f9e7a4b98a4929776b-83aebe33dc76760f911162f9e7a4b98a4929776b
 
git://xenbits.xen.org/osstest/seabios.git#d239552ce7220e448ae81f41515138f7b9e3c4db-d239552ce7220e448ae81f41515138f7b9e3c4db
 
git://xenbits.xen.org/xen.git#1e595d9c2b8608bcef48d6a69cc2f6135780bcc0-57cd4b1c52881\
 e49901b344ca3da00209c4689f7
Loaded 5001 nodes in revision graph
Searching for test results:
 168986 pass b1b89f9009f2390652e0061bd7b24fc40732bc70 
83aebe33dc76760f911162f9e7a4b98a4929776b 
d239552ce7220e448ae81f41515138f7b9e3c4db 
1e595d9c2b8608bcef48d6a69cc2f6135780bcc0
 169028 [host=laxton1]
 169074 [host=rochester0]
 169112 pass b1b89f9009f2390652e0061bd7b24fc40732bc70 
83aebe33dc76760f911162f9e7a4b98a4929776b 
d239552ce7220e448ae81f41515138f7b9e3c4db 
1e595d9c2b8608bcef48d6a69cc2f6135780bcc0
 169140 [host=laxton1]
 169130 [host=laxton1]
 169147 [host=laxton1]
 169158 [host=rochester0]
 169170 fail b1b89f9009f2390652e0061bd7b24fc40732bc70 
83aebe33dc76760f911162f9e7a4b98a4929776b 
d239552ce7220e448ae81f41515138f7b9e3c4db 
57cd4b1c52881e49901b344ca3da00209c4689f7
Searching for interesting versions
 Result found: flight 168986 (pass), for basis pass
 For basis failure, parent search stopping at 
b1b89f9009f2390652e0061bd7b24fc40732bc70 
83aebe33dc76760f911162f9e7a4b98a4929776b 
d239552ce7220e448ae81f41515138f7b9e3c4db 
1e595d9c2b8608bcef48d6a69cc2f6135780bcc0, results HASH(0x55f70db25810) 
HASH(0x55f70db29fc8)
*** Not reproducible - supposed basis failure ***
  Could not reproduce problem, or could not reproduce basis pass.
  Unexpected test results; at this revision (supposed basis failure):
  b1b89f9009f2390652e0061bd7b24fc40732bc70 
83aebe33dc76760f911162f9e7a4b98a4929776b 
d239552ce7220e448ae81f41515138f7b9e3c4db 
57cd4b1c52881e49901b344ca3da00209c4689f7
   flight 169170 (blessed real) result fail

Revision graph left in 
/home/logs/results/bisect/xen-4.14-testing/build-arm64-xsm.xen-build.{dot,ps,png,html,svg}.
No revision to test.