[xen-unstable bisection] doubtful test-amd64-amd64-examine

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

branch xen-unstable
xenbranch xen-unstable
job test-amd64-amd64-examine
testid memdisk-try-append

Tree: freebsd git://github.com/freebsd/freebsd.git
Tree: linux git://xenbits.xen.org/linux-pvops.git
Tree: linuxfirmware git://xenbits.xen.org/osstest/linux-firmware.git
Tree: qemu git://xenbits.xen.org/qemu-xen-traditional.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:
   c8b8ae9609edaaa7f1704c9ee9c7ced6fe172749 
2c6025ebc7fd8e0a8ca785d778dc6ae25225744b 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
43139135a8938de44f66333831d3a8655d07663a 
11535cdbc0ae5925a55b3e735447c30faaa6f63b
  
  Identical previous flights on this branch:
   125363  started 2018-07-19 00:02:14 Z  blessed real-bisect
   125353  started 2018-07-18 20:48:48 Z  blessed real-bisect
   125344  started 2018-07-18 17:38:33 Z  blessed real-bisect
   125337  started 2018-07-18 16:04:21 Z  blessed real-bisect
   125332  started 2018-07-18 14:23:04 Z  blessed real-bisect
   125364  just generated


----------------------------------------
Running cs-bisection-step 
--graph-out=/home/logs/results/bisect/xen-unstable/test-amd64-amd64-examine.memdisk-try-append
 --summary-out=tmp/125364.bisection-summary --basis-template=125178 
--blessings=real,real-bisect --flight=125364 xen-unstable 
test-amd64-amd64-examine memdisk-try-append
Searching for failure / basis pass:
 125259 fail [host=baroque0] / 125178 [host=godello0] 125152 [host=debina0] 
125052 [host=chardonnay0] 125012 [host=godello1] 124956 [host=joubertin0] 
124566 [host=joubertin1] 124472 [host=huxelrebe0] 124416 [host=pinot0] 124372 
[host=joubertin0] 124299 [host=debina1] 124225 [host=godello1] 124191 
[host=godello0] 124170 [host=debina0] 124140 [host=baroque1] 124090 ok.
Failure / basis pass flights: 125259 / 124090
(tree with no url: minios)
(tree with no url: ovmf)
(tree with no url: seabios)
Tree: freebsd git://github.com/freebsd/freebsd.git
Tree: linux git://xenbits.xen.org/linux-pvops.git
Tree: linuxfirmware git://xenbits.xen.org/osstest/linux-firmware.git
Tree: qemu git://xenbits.xen.org/qemu-xen-traditional.git
Tree: qemuu git://xenbits.xen.org/qemu-xen.git
Tree: xen git://xenbits.xen.org/xen.git
Latest 04c77c18ada08a796cfe1d7545c0e76429e1d3dc 
1e92e813554a93741666e9f378a83d70405b9076 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
43139135a8938de44f66333831d3a8655d07663a 
6f28c09aa96b636ed4027cada570c1f2b8dc590f
Basis pass c8b8ae9609edaaa7f1704c9ee9c7ced6fe172749 
2c6025ebc7fd8e0a8ca785d778dc6ae25225744b 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
43139135a8938de44f66333831d3a8655d07663a 
11535cdbc0ae5925a55b3e735447c30faaa6f63b
Generating revisions with ./adhoc-revtuple-generator  
git://github.com/freebsd/freebsd.git#c8b8ae9609edaaa7f1704c9ee9c7ced6fe172749-04c77c18ada08a796cfe1d7545c0e76429e1d3dc
 
git://xenbits.xen.org/linux-pvops.git#2c6025ebc7fd8e0a8ca785d778dc6ae25225744b-1e92e813554a93741666e9f378a83d70405b9076
 
git://xenbits.xen.org/osstest/linux-firmware.git#c530a75c1e6a472b0eb9558310b518f0dfcd8860-c530a75c1e6a472b0eb9558310b518f0dfcd8860
 
git://xenbits.xen.org/qemu-xen-traditional.git#c8ea0457495342c417c3dc033bba25148b279f60-c8ea0457495342c417c3dc033bba25148b279f60
 
git://xenbits.xen.org/qemu-xen.git#43139135a8938de44f66333831d3a8655d07663a-43139135a8938de44f66333831d3a8655d07663a
 
git://xenbits.xen.org/xen.git#11535cdbc0ae5925a55b3e735447c30faaa6f63b-6f28c09aa96b636ed4027cada570c1f2b8dc590f
adhoc-revtuple-generator: tree discontiguous: freebsd
Loaded 2480 nodes in revision graph
Searching for test results:
 123994 [host=huxelrebe1]
 124038 [host=albana0]
 124057 [host=elbling1]
 124090 pass c8b8ae9609edaaa7f1704c9ee9c7ced6fe172749 
2c6025ebc7fd8e0a8ca785d778dc6ae25225744b 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
43139135a8938de44f66333831d3a8655d07663a 
11535cdbc0ae5925a55b3e735447c30faaa6f63b
 124140 [host=baroque1]
 124170 [host=debina0]
 124191 [host=godello0]
 124299 [host=debina1]
 124225 [host=godello1]
 124372 [host=joubertin0]
 124416 [host=pinot0]
 124472 [host=huxelrebe0]
 124566 [host=joubertin1]
 124911 [host=albana1]
 124956 [host=joubertin0]
 125012 [host=godello1]
 125052 [host=chardonnay0]
 125178 [host=godello0]
 125152 [host=debina0]
 125259 fail 04c77c18ada08a796cfe1d7545c0e76429e1d3dc 
1e92e813554a93741666e9f378a83d70405b9076 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
43139135a8938de44f66333831d3a8655d07663a 
6f28c09aa96b636ed4027cada570c1f2b8dc590f
 125353 blocked c8b8ae9609edaaa7f1704c9ee9c7ced6fe172749 
2c6025ebc7fd8e0a8ca785d778dc6ae25225744b 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
43139135a8938de44f66333831d3a8655d07663a 
11535cdbc0ae5925a55b3e735447c30faaa6f63b
 125332 blocked c8b8ae9609edaaa7f1704c9ee9c7ced6fe172749 
2c6025ebc7fd8e0a8ca785d778dc6ae25225744b 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
43139135a8938de44f66333831d3a8655d07663a 
11535cdbc0ae5925a55b3e735447c30faaa6f63b
 125337 blocked c8b8ae9609edaaa7f1704c9ee9c7ced6fe172749 
2c6025ebc7fd8e0a8ca785d778dc6ae25225744b 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
43139135a8938de44f66333831d3a8655d07663a 
11535cdbc0ae5925a55b3e735447c30faaa6f63b
 125344 blocked c8b8ae9609edaaa7f1704c9ee9c7ced6fe172749 
2c6025ebc7fd8e0a8ca785d778dc6ae25225744b 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
43139135a8938de44f66333831d3a8655d07663a 
11535cdbc0ae5925a55b3e735447c30faaa6f63b
Searching for interesting versions
 Result found: flight 124090 (pass), for basis pass
 Result found: flight 125259 (fail), for basis failure
Need to reproduce basis pass (pass); had 1 already.
Should test c8b8ae9609edaaa7f1704c9ee9c7ced6fe172749 
2c6025ebc7fd8e0a8ca785d778dc6ae25225744b 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
43139135a8938de44f66333831d3a8655d07663a 
11535cdbc0ae5925a55b3e735447c30faaa6f63b.
dot: graph is too large for cairo-renderer bitmaps. Scaling by 0.739294 to fit
pnmtopng: 49 colors found
Revision graph left in 
/home/logs/results/bisect/xen-unstable/test-amd64-amd64-examine.memdisk-try-append.{dot,ps,png,html,svg}.
Populating 125364...
Need 125364.test-amd64-amd64-examine (like 125259)
Creating 125364.test-amd64-amd64-examine (copying from 125259)
Need 125364.build-amd64 (like 125259)
 revision_qemu=c8ea0457495342c417c3dc033bba25148b279f60
 revision_qemuu=43139135a8938de44f66333831d3a8655d07663a
 revision_xen=11535cdbc0ae5925a55b3e735447c30faaa6f63b
Searching for build-amd64 (like 125259) to reuse...
Can reuse build 125051.build-amd64.
Need 125364.build-amd64-freebsd (like 125226)
 revision_freebsd=c8b8ae9609edaaa7f1704c9ee9c7ced6fe172749
Not recursively demanding another build-amd64-freebsd 
(125259.test-amd64-amd64-examine -> 125226.build-amd64-freebsd -> 
125150.build-amd64-freebsd
Searching for build-amd64-freebsd (like 125226) to reuse...
Creating 125364.build-amd64-freebsd (copying from 125226)
Reusing 125150.build-amd64-freebsd for freebsdbuildjob in 
125364.build-amd64-freebsd
Need 125364.build-amd64-pvops (like 125259)
 revision_linux=2c6025ebc7fd8e0a8ca785d778dc6ae25225744b
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Searching for build-amd64-pvops (like 125259) to reuse...
Can reuse build-kern 125051.build-amd64-pvops.
Need 125364.build-amd64 (like 125259)
 revision_qemu=c8ea0457495342c417c3dc033bba25148b279f60
 revision_qemuu=43139135a8938de44f66333831d3a8655d07663a
 revision_xen=11535cdbc0ae5925a55b3e735447c30faaa6f63b
Can reuse build 125051.build-amd64.
Checking for flail (since 124090)...

*** Flailing - >=5 identical flights to no useful effect ***
  Bisector is flailing: >=5 identical flights generated.
  Problem occurs when attempting to test this revision:
   c8b8ae9609edaaa7f1704c9ee9c7ced6fe172749 
2c6025ebc7fd8e0a8ca785d778dc6ae25225744b 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
43139135a8938de44f66333831d3a8655d07663a 
11535cdbc0ae5925a55b3e735447c30faaa6f63b
  
  Identical previous flights on this branch:
   125363  started 2018-07-19 00:02:14 Z  blessed real-bisect
   125353  started 2018-07-18 20:48:48 Z  blessed real-bisect
   125344  started 2018-07-18 17:38:33 Z  blessed real-bisect
   125337  started 2018-07-18 16:04:21 Z  blessed real-bisect
   125332  started 2018-07-18 14:23:04 Z  blessed real-bisect
   125364  just generated


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