[xen-4.11-testing bisection] doubtful test-amd64-amd64-migrupgrade

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

branch xen-4.11-testing
xenbranch xen-4.11-testing
job test-amd64-amd64-migrupgrade
testid xen-boot/dst_host

Tree: linux git://xenbits.xen.org/linux-pvops.git
Tree: linuxfirmware git://xenbits.xen.org/osstest/linux-firmware.git
Tree: ovmf git://xenbits.xen.org/osstest/ovmf.git
Tree: qemu git://xenbits.xen.org/qemu-xen-traditional.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
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:
   5726a8d0f1958af80ad8e514bc2c18d213e739b7 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
20029ca22baaeb9418c1fd9df88d12d32d585cb6 
c8ea0457495342c417c3dc033bba25148b279f60 
20c76f9a5fbf16d58c6add2ace2ff0fabd785926 
0551a4be2ce599fb60e478b4c15e06ab6587822c 
3b062f5040a103d86b44c5e8412ff9555b00d06c 
5a81de4c6b6036974f29e2330a493f23a8f0c1f0
  
  Identical previous flights on this branch:
   137581  started 2019-06-10 11:47:56 Z  blessed real-bisect
   137580  started 2019-06-10 11:24:27 Z  blessed real-bisect
   137579  started 2019-06-10 11:15:04 Z  blessed real-bisect
   137578  started 2019-06-10 11:06:08 Z  blessed real-bisect
   137577  started 2019-06-10 10:43:55 Z  blessed real-bisect
   137582  just generated


----------------------------------------
Running cs-bisection-step 
--graph-out=/home/logs/results/bisect/xen-4.11-testing/test-amd64-amd64-migrupgrade.xen-boot--dst_host
 --summary-out=tmp/137582.bisection-summary --basis-template=137094 
--blessings=real,real-bisect --flight=137582 xen-4.11-testing 
test-amd64-amd64-migrupgrade xen-boot/dst_host
Searching for failure / basis pass:
 137385 fail [dst_host=pinot0,src_host=pinot1] / 137094 
[dst_host=italia0,src_host=italia1] 137041 
[dst_host=chardonnay1,src_host=chardonnay0] 137009 
[dst_host=pinot1,src_host=pinot0] 136516 [dst_host=italia1,src_host=italia0] 
136385 [dst_host=elbling0,src_host=elbling1] 136231 
[dst_host=godello1,src_host=godello0] 135683 ok.
Failure / basis pass flights: 137385 / 135683
(tree with no url: minios)
Tree: linux git://xenbits.xen.org/linux-pvops.git
Tree: linuxfirmware git://xenbits.xen.org/osstest/linux-firmware.git
Tree: ovmf git://xenbits.xen.org/osstest/ovmf.git
Tree: qemu git://xenbits.xen.org/qemu-xen-traditional.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
Tree: xen prev git://xenbits.xen.org/xen.git
Latest 8cb1239889087368a792c655de99529eec219bfc 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
4ff8b6b1d8b74c72fecc7bedb4d791d537eb0310 
c8ea0457495342c417c3dc033bba25148b279f60 
20c76f9a5fbf16d58c6add2ace2ff0fabd785926 
0932c20560574696cf87ddd12623e8c423ee821b 
f9233b7804ec422d052c2a9d9cc9ef435c742f61 
ac516e89402b0c8df92b139831727ece5db700e3
Basis pass 5726a8d0f1958af80ad8e514bc2c18d213e739b7 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
20029ca22baaeb9418c1fd9df88d12d32d585cb6 
c8ea0457495342c417c3dc033bba25148b279f60 
20c76f9a5fbf16d58c6add2ace2ff0fabd785926 
0551a4be2ce599fb60e478b4c15e06ab6587822c 
3b062f5040a103d86b44c5e8412ff9555b00d06c 
5a81de4c6b6036974f29e2330a493f23a8f0c1f0
Generating revisions with ./adhoc-revtuple-generator  
git://xenbits.xen.org/linux-pvops.git#5726a8d0f1958af80ad8e514bc2c18d213e739b7-8cb1239889087368a792c655de99529eec219bfc
 
git://xenbits.xen.org/osstest/linux-firmware.git#c530a75c1e6a472b0eb9558310b518f0dfcd8860-c530a75c1e6a472b0eb9558310b518f0dfcd8860
 
git://xenbits.xen.org/osstest/ovmf.git#20029ca22baaeb9418c1fd9df88d12d32d585cb6-4ff8b6b1d8b74c72fecc7bedb4d791d537eb0310
 git://xenbits.xen.org/qemu-xen-traditional.git#c8ea0457495342c417c3dc033bb\
 a25148b279f60-c8ea0457495342c417c3dc033bba25148b279f60 
git://xenbits.xen.org/qemu-xen.git#20c76f9a5fbf16d58c6add2ace2ff0fabd785926-20c76f9a5fbf16d58c6add2ace2ff0fabd785926
 
git://xenbits.xen.org/osstest/seabios.git#0551a4be2ce599fb60e478b4c15e06ab6587822c-0932c20560574696cf87ddd12623e8c423ee821b
 
git://xenbits.xen.org/xen.git#3b062f5040a103d86b44c5e8412ff9555b00d06c-f9233b7804ec422d052c2a9d9cc9ef435c742f61
 
git://xenbits.xen.org/xen.git#5a81de4c6b6036974f29e2330a493f23a8f0c1f0-ac516e89402b0c8df92b1\
 39831727ece5db700e3
adhoc-revtuple-generator: tree discontiguous: linux-pvops
adhoc-revtuple-generator: tree discontiguous: seabios
Loaded 3003 nodes in revision graph
Searching for test results:
 135683 pass 5726a8d0f1958af80ad8e514bc2c18d213e739b7 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
20029ca22baaeb9418c1fd9df88d12d32d585cb6 
c8ea0457495342c417c3dc033bba25148b279f60 
20c76f9a5fbf16d58c6add2ace2ff0fabd785926 
0551a4be2ce599fb60e478b4c15e06ab6587822c 
3b062f5040a103d86b44c5e8412ff9555b00d06c 
5a81de4c6b6036974f29e2330a493f23a8f0c1f0
 136231 [dst_host=godello1,src_host=godello0]
 136385 [dst_host=elbling0,src_host=elbling1]
 136516 [dst_host=italia1,src_host=italia0]
 137041 [dst_host=chardonnay1,src_host=chardonnay0]
 137009 [dst_host=pinot1,src_host=pinot0]
 137094 [dst_host=italia0,src_host=italia1]
 137385 fail 8cb1239889087368a792c655de99529eec219bfc 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
4ff8b6b1d8b74c72fecc7bedb4d791d537eb0310 
c8ea0457495342c417c3dc033bba25148b279f60 
20c76f9a5fbf16d58c6add2ace2ff0fabd785926 
0932c20560574696cf87ddd12623e8c423ee821b 
f9233b7804ec422d052c2a9d9cc9ef435c742f61 
ac516e89402b0c8df92b139831727ece5db700e3
 137476 !! flight 137476 missing revision for xen prev
 137577 !! flight 137577 missing revision for xen prev
 137578 !! flight 137578 missing revision for xen prev
 137579 !! flight 137579 missing revision for xen prev
 137580 !! flight 137580 missing revision for xen prev
 137581 !! flight 137581 missing revision for xen prev
Searching for interesting versions
 Result found: flight 135683 (pass), for basis pass
 Result found: flight 137385 (fail), for basis failure
Need to reproduce basis pass (pass); had 1 already.
Should test 5726a8d0f1958af80ad8e514bc2c18d213e739b7 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
20029ca22baaeb9418c1fd9df88d12d32d585cb6 
c8ea0457495342c417c3dc033bba25148b279f60 
20c76f9a5fbf16d58c6add2ace2ff0fabd785926 
0551a4be2ce599fb60e478b4c15e06ab6587822c 
3b062f5040a103d86b44c5e8412ff9555b00d06c 
5a81de4c6b6036974f29e2330a493f23a8f0c1f0.
pnmtopng: 50 colors found
Revision graph left in 
/home/logs/results/bisect/xen-4.11-testing/test-amd64-amd64-migrupgrade.xen-boot--dst_host.{dot,ps,png,html,svg}.
Populating 137582...
Need 137582.test-amd64-amd64-migrupgrade (like 137385)
Creating 137582.test-amd64-amd64-migrupgrade (copying from 137385)
Need 137582.build-amd64 (like 137385)
 revision_ovmf=20029ca22baaeb9418c1fd9df88d12d32d585cb6
 revision_qemu=c8ea0457495342c417c3dc033bba25148b279f60
 revision_qemuu=20c76f9a5fbf16d58c6add2ace2ff0fabd785926
 revision_seabios=0551a4be2ce599fb60e478b4c15e06ab6587822c
 revision_xen=3b062f5040a103d86b44c5e8412ff9555b00d06c
Searching for build-amd64 (like 137385) to reuse...
Creating 137582.build-amd64 (copying from 137385)
Need 137582.build-amd64-pvops (like 137385)
 revision_linux=5726a8d0f1958af80ad8e514bc2c18d213e739b7
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Searching for build-amd64-pvops (like 137385) to reuse...
Can reuse build-kern 137476.build-amd64-pvops.
Need 137582.build-amd64-prev (like 137385)
Searching for build-amd64-prev (like 137385) to reuse...
Creating 137582.build-amd64-prev (copying from 137385)
Already created build-amd64-prev
Already created build-amd64
Checking for flail (since 135683)...

*** Flailing - >=5 identical flights to no useful effect ***
  Bisector is flailing: >=5 identical flights generated.
  Problem occurs when attempting to test this revision:
   5726a8d0f1958af80ad8e514bc2c18d213e739b7 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
20029ca22baaeb9418c1fd9df88d12d32d585cb6 
c8ea0457495342c417c3dc033bba25148b279f60 
20c76f9a5fbf16d58c6add2ace2ff0fabd785926 
0551a4be2ce599fb60e478b4c15e06ab6587822c 
3b062f5040a103d86b44c5e8412ff9555b00d06c 
5a81de4c6b6036974f29e2330a493f23a8f0c1f0
  
  Identical previous flights on this branch:
   137581  started 2019-06-10 11:47:56 Z  blessed real-bisect
   137580  started 2019-06-10 11:24:27 Z  blessed real-bisect
   137579  started 2019-06-10 11:15:04 Z  blessed real-bisect
   137578  started 2019-06-10 11:06:08 Z  blessed real-bisect
   137577  started 2019-06-10 10:43:55 Z  blessed real-bisect
   137582  just generated


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