[xen-unstable bisection] doubtful test-xtf-amd64-amd64-1

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

branch xen-unstable
xenbranch xen-unstable
job test-xtf-amd64-amd64-1
testid xtf/test-hvm64-xsa-221

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
Tree: xtf git://xenbits.xen.org/xtf.git

*** Flailing - >=5 identical flights to no useful effect ***
  Bisector is flailing: >=5 identical flights generated.
  Problem occurs when attempting to test this revision:
   c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
ea6d3cd1ed79d824e605a70c3626bc437c386260 
f4c1a541fa351e4f613471bbf397931f9e1ddd27 
17d372b763cb0b2e2e6b5a637c11f3997d2533fa
  
  Identical previous flights on this branch:
   154966  started 2020-09-27 14:29:06 Z  blessed real-bisect
   154964  started 2020-09-27 12:57:15 Z  blessed real-bisect
   154961  started 2020-09-27 11:25:22 Z  blessed real-bisect
   154957  started 2020-09-27 09:50:48 Z  blessed real-bisect
   154952  started 2020-09-27 08:18:27 Z  blessed real-bisect
   154969  just generated


----------------------------------------
Running cs-bisection-step 
--graph-out=/home/logs/results/bisect/xen-unstable/test-xtf-amd64-amd64-1.xtf--test-hvm64-xsa-221
 --summary-out=tmp/154969.bisection-summary --basis-template=154611 
--blessings=real,real-bisect --flight=154969 xen-unstable 
test-xtf-amd64-amd64-1 xtf/test-hvm64-xsa-221
Searching for failure / basis pass:
 154634 fail [host=elbling0] / 154611 [host=elbling1] 154592 [host=chardonnay1] 
154576 [host=huxelrebe1] 154556 [host=fiano1] 154521 [host=godello0] 154504 
[host=albana0] 154494 [host=fiano0] 154481 [host=pinot0] 154465 
[host=chardonnay0] 154090 [host=huxelrebe0] 154058 [host=albana1] 154036 
[host=godello1] 154016 [host=pinot1] 153983 [host=rimava1] 153882 
[host=godello0] 153845 ok.
Failure / basis pass flights: 154634 / 153845
(tree with no url: minios)
(tree with no url: ovmf)
(tree with no url: seabios)
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
Tree: xtf git://xenbits.xen.org/xtf.git
Latest c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
ea6d3cd1ed79d824e605a70c3626bc437c386260 
2785b2a9e04abc148e1c5259f4faee708ea356f4 
17d372b763cb0b2e2e6b5a637c11f3997d2533fa
Basis pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
ea6d3cd1ed79d824e605a70c3626bc437c386260 
f4c1a541fa351e4f613471bbf397931f9e1ddd27 
17d372b763cb0b2e2e6b5a637c11f3997d2533fa
Generating revisions with ./adhoc-revtuple-generator  
git://xenbits.xen.org/linux-pvops.git#c3038e718a19fc596f7b1baba0f83d5146dc7784-c3038e718a19fc596f7b1baba0f83d5146dc7784
 
git://xenbits.xen.org/osstest/linux-firmware.git#c530a75c1e6a472b0eb9558310b518f0dfcd8860-c530a75c1e6a472b0eb9558310b518f0dfcd8860
 
git://xenbits.xen.org/qemu-xen-traditional.git#3d273dd05e51e5a1ffba3d98c7437ee84e8f8764-3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 git://xenbits.xen.org/qemu-xen.git#ea6d3cd1ed79d824e605a70c3626bc4\
 37c386260-ea6d3cd1ed79d824e605a70c3626bc437c386260 
git://xenbits.xen.org/xen.git#f4c1a541fa351e4f613471bbf397931f9e1ddd27-2785b2a9e04abc148e1c5259f4faee708ea356f4
 
git://xenbits.xen.org/xtf.git#17d372b763cb0b2e2e6b5a637c11f3997d2533fa-17d372b763cb0b2e2e6b5a637c11f3997d2533fa
Loaded 5001 nodes in revision graph
Searching for test results:
 153758 [host=fiano1]
 153770 [host=elbling1]
 153788 [host=huxelrebe1]
 153813 [host=chardonnay1]
 153845 pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
ea6d3cd1ed79d824e605a70c3626bc437c386260 
f4c1a541fa351e4f613471bbf397931f9e1ddd27 
17d372b763cb0b2e2e6b5a637c11f3997d2533fa
 153882 [host=godello0]
 153906 [host=rimava1]
 153931 [host=rimava1]
 153955 [host=rimava1]
 153958 [host=rimava1]
 153960 [host=rimava1]
 153965 [host=rimava1]
 153967 [host=rimava1]
 153969 [host=rimava1]
 153972 [host=rimava1]
 153976 [host=rimava1]
 153979 [host=rimava1]
 153957 [host=rimava1]
 153982 [host=rimava1]
 153986 [host=rimava1]
 153983 [host=rimava1]
 154016 [host=pinot1]
 154036 [host=godello1]
 154058 [host=albana1]
 154090 [host=huxelrebe0]
 154465 [host=chardonnay0]
 154481 [host=pinot0]
 154494 [host=fiano0]
 154504 [host=albana0]
 154521 [host=godello0]
 154556 [host=fiano1]
 154576 [host=huxelrebe1]
 154592 [host=chardonnay1]
 154611 [host=elbling1]
 154634 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
ea6d3cd1ed79d824e605a70c3626bc437c386260 
2785b2a9e04abc148e1c5259f4faee708ea356f4 
17d372b763cb0b2e2e6b5a637c11f3997d2533fa
Searching for interesting versions
 Result found: flight 153845 (pass), for basis pass
 For basis failure, parent search stopping at 
c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
ea6d3cd1ed79d824e605a70c3626bc437c386260 
f4c1a541fa351e4f613471bbf397931f9e1ddd27 
17d372b763cb0b2e2e6b5a637c11f3997d2533fa, results HASH(0x55f4dd2bbf38) Result 
found: flight 154634 (fail), for basis failure (at ancestor ~343)
Need to reproduce basis pass (pass); had 1 already.
Should test c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
ea6d3cd1ed79d824e605a70c3626bc437c386260 
f4c1a541fa351e4f613471bbf397931f9e1ddd27 
17d372b763cb0b2e2e6b5a637c11f3997d2533fa.
pnmtopng: 238 colors found
Revision graph left in 
/home/logs/results/bisect/xen-unstable/test-xtf-amd64-amd64-1.xtf--test-hvm64-xsa-221.{dot,ps,png,html,svg}.
Populating 154969...
Need 154969.test-xtf-amd64-amd64-1 (like 154634)
Creating 154969.test-xtf-amd64-amd64-1 (copying from 154634)
Need 154969.build-amd64 (like 154634)
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=ea6d3cd1ed79d824e605a70c3626bc437c386260
 revision_xen=f4c1a541fa351e4f613471bbf397931f9e1ddd27
Searching for build-amd64 (like 154634) to reuse...
Can reuse build 153811.build-amd64.
Need 154969.build-amd64-pvops (like 154634)
 revision_linux=c3038e718a19fc596f7b1baba0f83d5146dc7784
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Searching for build-amd64-pvops (like 154634) to reuse...
Can reuse build-kern 154776.build-amd64-pvops.
Need 154969.build-amd64 (like 154634)
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=ea6d3cd1ed79d824e605a70c3626bc437c386260
 revision_xen=f4c1a541fa351e4f613471bbf397931f9e1ddd27
Can reuse build 153811.build-amd64.
Need 154969.build-amd64-xtf (like 154634)
 revision_xtf=17d372b763cb0b2e2e6b5a637c11f3997d2533fa
Searching for build-amd64-xtf (like 154634) to reuse...
Can reuse build-xtf 154667.build-amd64-xtf.
Checking for flail (since 153845)...

*** Flailing - >=5 identical flights to no useful effect ***
  Bisector is flailing: >=5 identical flights generated.
  Problem occurs when attempting to test this revision:
   c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
ea6d3cd1ed79d824e605a70c3626bc437c386260 
f4c1a541fa351e4f613471bbf397931f9e1ddd27 
17d372b763cb0b2e2e6b5a637c11f3997d2533fa
  
  Identical previous flights on this branch:
   154966  started 2020-09-27 14:29:06 Z  blessed real-bisect
   154964  started 2020-09-27 12:57:15 Z  blessed real-bisect
   154961  started 2020-09-27 11:25:22 Z  blessed real-bisect
   154957  started 2020-09-27 09:50:48 Z  blessed real-bisect
   154952  started 2020-09-27 08:18:27 Z  blessed real-bisect
   154969  just generated