[linux-arm-xen bisection] doubtful test-arm64-arm64-examine

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

branch xen-unstable
xenbranch xen-unstable
job test-arm64-arm64-examine
testid examine-serial/bootloader

Tree: linux git://xenbits.xen.org/arm/linux.git
Tree: linuxfirmware git://xenbits.xen.org/osstest/linux-firmware.git
Tree: qemuu git://xenbits.xen.org/qemu-xen.git
Tree: xen 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:
   50484ee133c2219a26fd98b39770187221b5e0bc 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
2b033e396f4fa0981bae1213cdacd15775655a97 
c93014ad3aa6aa88dfa5e96f66e8adb561483b8d
  
  Identical previous flights on this branch:
   134848  started 2019-04-16 05:00:46 Z  blessed real-bisect
   134846  started 2019-04-16 03:26:34 Z  blessed real-bisect
   134845  started 2019-04-16 02:03:37 Z  blessed real-bisect
   134841  started 2019-04-16 00:29:48 Z  blessed real-bisect
   134835  started 2019-04-15 22:15:33 Z  blessed real-bisect
   134849  just generated


----------------------------------------
Running cs-bisection-step 
--graph-out=/home/logs/results/bisect/linux-arm-xen/test-arm64-arm64-examine.examine-serial--bootloader
 --summary-out=tmp/134849.bisection-summary --basis-template=119195 
--blessings=real,real-bisect --flight=134849 linux-arm-xen 
test-arm64-arm64-examine examine-serial/bootloader
Searching for failure / basis pass:
 134708 fail [host=rochester0] / 119195 [host=laxton1] 116992 [host=laxton1] 
template as basis? using template as basis.
Failure / basis pass flights: 134708 / 119195
Tree: linux git://xenbits.xen.org/arm/linux.git
Tree: linuxfirmware git://xenbits.xen.org/osstest/linux-firmware.git
Tree: qemuu git://xenbits.xen.org/qemu-xen.git
Tree: xen git://xenbits.xen.org/xen.git
Latest e64ac26749dc2c0f390caccd04274608ab31c8cf 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
de5b678ca4dcdfa83e322491d478d66df56c1986 
cb70a26f78848fe45f593f7ebc9cfaac760a791b
Basis pass 50484ee133c2219a26fd98b39770187221b5e0bc 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
2b033e396f4fa0981bae1213cdacd15775655a97 
c93014ad3aa6aa88dfa5e96f66e8adb561483b8d
Generating revisions with ./adhoc-revtuple-generator  
git://xenbits.xen.org/arm/linux.git#50484ee133c2219a26fd98b39770187221b5e0bc-e64ac26749dc2c0f390caccd04274608ab31c8cf
 
git://xenbits.xen.org/osstest/linux-firmware.git#c530a75c1e6a472b0eb9558310b518f0dfcd8860-c530a75c1e6a472b0eb9558310b518f0dfcd8860
 
git://xenbits.xen.org/qemu-xen.git#2b033e396f4fa0981bae1213cdacd15775655a97-de5b678ca4dcdfa83e322491d478d66df56c1986
 
git://xenbits.xen.org/xen.git#c93014ad3aa6aa88dfa5e96f66e8adb561483b8d-cb70a26f7\
 8848fe45f593f7ebc9cfaac760a791b
adhoc-revtuple-generator: tree discontiguous: linux
adhoc-revtuple-generator: tree discontiguous: qemu-xen
adhoc-revtuple-generator: tree discontiguous: xen
Loaded 4 nodes in revision graph
Searching for test results:
 116992 [host=laxton1]
 119195 [host=laxton1]
 134708 fail e64ac26749dc2c0f390caccd04274608ab31c8cf 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
de5b678ca4dcdfa83e322491d478d66df56c1986 
cb70a26f78848fe45f593f7ebc9cfaac760a791b
 134846 blocked 50484ee133c2219a26fd98b39770187221b5e0bc 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
2b033e396f4fa0981bae1213cdacd15775655a97 
c93014ad3aa6aa88dfa5e96f66e8adb561483b8d
 134848 blocked 50484ee133c2219a26fd98b39770187221b5e0bc 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
2b033e396f4fa0981bae1213cdacd15775655a97 
c93014ad3aa6aa88dfa5e96f66e8adb561483b8d
 134833 blocked 50484ee133c2219a26fd98b39770187221b5e0bc 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
2b033e396f4fa0981bae1213cdacd15775655a97 
c93014ad3aa6aa88dfa5e96f66e8adb561483b8d
 134835 blocked 50484ee133c2219a26fd98b39770187221b5e0bc 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
2b033e396f4fa0981bae1213cdacd15775655a97 
c93014ad3aa6aa88dfa5e96f66e8adb561483b8d
 134841 blocked 50484ee133c2219a26fd98b39770187221b5e0bc 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
2b033e396f4fa0981bae1213cdacd15775655a97 
c93014ad3aa6aa88dfa5e96f66e8adb561483b8d
 134845 blocked 50484ee133c2219a26fd98b39770187221b5e0bc 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
2b033e396f4fa0981bae1213cdacd15775655a97 
c93014ad3aa6aa88dfa5e96f66e8adb561483b8d
Searching for interesting versions
Need to reproduce basis pass (pass); had 0 already.
Should test 50484ee133c2219a26fd98b39770187221b5e0bc 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
2b033e396f4fa0981bae1213cdacd15775655a97 
c93014ad3aa6aa88dfa5e96f66e8adb561483b8d.
Revision graph left in 
/home/logs/results/bisect/linux-arm-xen/test-arm64-arm64-examine.examine-serial--bootloader.{dot,ps,png,html,svg}.
Populating 134849...
Need 134849.test-arm64-arm64-examine (like 134708)
Creating 134849.test-arm64-arm64-examine (copying from 134708)
Need 134849.build-arm64 (like 134708)
 revision_qemuu=2b033e396f4fa0981bae1213cdacd15775655a97
 revision_xen=c93014ad3aa6aa88dfa5e96f66e8adb561483b8d
Searching for build-arm64 (like 134708) to reuse...
Can reuse build 134833.build-arm64.
Need 134849.build-arm64-pvops (like 134708)
 revision_linux=50484ee133c2219a26fd98b39770187221b5e0bc
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Searching for build-arm64-pvops (like 134708) to reuse...
Can reuse build-kern 134833.build-arm64-pvops.
Need 134849.build-arm64 (like 134708)
 revision_qemuu=2b033e396f4fa0981bae1213cdacd15775655a97
 revision_xen=c93014ad3aa6aa88dfa5e96f66e8adb561483b8d
Can reuse build 134833.build-arm64.
Checking for flail (since 0)...

*** Flailing - >=5 identical flights to no useful effect ***
  Bisector is flailing: >=5 identical flights generated.
  Problem occurs when attempting to test this revision:
   50484ee133c2219a26fd98b39770187221b5e0bc 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
2b033e396f4fa0981bae1213cdacd15775655a97 
c93014ad3aa6aa88dfa5e96f66e8adb561483b8d
  
  Identical previous flights on this branch:
   134848  started 2019-04-16 05:00:46 Z  blessed real-bisect
   134846  started 2019-04-16 03:26:34 Z  blessed real-bisect
   134845  started 2019-04-16 02:03:37 Z  blessed real-bisect
   134841  started 2019-04-16 00:29:48 Z  blessed real-bisect
   134835  started 2019-04-15 22:15:33 Z  blessed real-bisect
   134849  just generated


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