[xen-4.10-testing bisection] doubtful build-amd64-libvirt

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

branch xen-4.10-testing
xenbranch xen-4.10-testing
job build-amd64-libvirt
testid libvirt-build

Tree: libvirt git://xenbits.xen.org/libvirt.git
Tree: libvirt_gnulib git://git.sv.gnu.org/gnulib.git
Tree: libvirt_keycodemapdb https://gitlab.com/keycodemap/keycodemapdb.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

*** Flailing - >=5 identical flights to no useful effect ***
  Bisector is flailing: >=5 identical flights generated.
  Problem occurs when attempting to test this revision:
   681bc423e823ab86b20748db311721bdef20defe 
5e9abf87163ad4aeaefef0b02961f8674b0a4879 
7bf5710b22aa8d58b7eeaaf3dc6960c26cade4f0 
bd6aa93296de36c5afabd34e4fa4083bccb8488d 
c8ea0457495342c417c3dc033bba25148b279f60 
8acabec966263f90ad493e4af2642947c0c43d23 
6a3b59ab9c7dc00331c21346052dfa6a0df45aa3 
24d62e126296b3f67dabdd49887d41d8ed69487f
  
  Identical previous flights on this branch:
   151072  started 2020-06-13 09:24:20 Z  blessed real-bisect
   151071  started 2020-06-13 07:49:54 Z  blessed real-bisect
   151068  started 2020-06-13 06:39:17 Z  blessed real-bisect
   151067  started 2020-06-13 06:27:34 Z  blessed real-bisect
   151060  started 2020-06-12 08:26:57 Z  blessed real-bisect
   151074  just generated


----------------------------------------
Running cs-bisection-step 
--graph-out=/home/logs/results/bisect/xen-4.10-testing/build-amd64-libvirt.libvirt-build
 --summary-out=tmp/151074.bisection-summary --basis-template=150039 
--blessings=real,real-bisect --flight=151074 xen-4.10-testing 
build-amd64-libvirt libvirt-build
Searching for failure / basis pass:
 151033 fail [host=godello1] / 150039 [host=pinot1] 149676 ok.
Failure / basis pass flights: 151033 / 149676
(tree with no url: minios)
Tree: libvirt git://xenbits.xen.org/libvirt.git
Tree: libvirt_gnulib git://git.sv.gnu.org/gnulib.git
Tree: libvirt_keycodemapdb https://gitlab.com/keycodemap/keycodemapdb.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
Latest 681bc423e823ab86b20748db311721bdef20defe 
5e9abf87163ad4aeaefef0b02961f8674b0a4879 
7bf5710b22aa8d58b7eeaaf3dc6960c26cade4f0 
dafce295e6f447ed8905db4e29241e2c6c2a4389 
c8ea0457495342c417c3dc033bba25148b279f60 
8acabec966263f90ad493e4af2642947c0c43d23 
2e3de6253422112ae43e608661ba94ea6b345694 
934d6e1a77947662504cf4d5e36c9520e03aa731
Basis pass 681bc423e823ab86b20748db311721bdef20defe 
5e9abf87163ad4aeaefef0b02961f8674b0a4879 
7bf5710b22aa8d58b7eeaaf3dc6960c26cade4f0 
bd6aa93296de36c5afabd34e4fa4083bccb8488d 
c8ea0457495342c417c3dc033bba25148b279f60 
8acabec966263f90ad493e4af2642947c0c43d23 
6a3b59ab9c7dc00331c21346052dfa6a0df45aa3 
24d62e126296b3f67dabdd49887d41d8ed69487f
Generating revisions with ./adhoc-revtuple-generator  
git://xenbits.xen.org/libvirt.git#681bc423e823ab86b20748db311721bdef20defe-681bc423e823ab86b20748db311721bdef20defe
 
git://git.sv.gnu.org/gnulib.git#5e9abf87163ad4aeaefef0b02961f8674b0a4879-5e9abf87163ad4aeaefef0b02961f8674b0a4879
 
https://gitlab.com/keycodemap/keycodemapdb.git#7bf5710b22aa8d58b7eeaaf3dc6960c26cade4f0-7bf5710b22aa8d58b7eeaaf3dc6960c26cade4f0
 
git://xenbits.xen.org/osstest/ovmf.git#bd6aa93296de36c5afabd34e4fa4083bccb8488d-dafce29\
 5e6f447ed8905db4e29241e2c6c2a4389 
git://xenbits.xen.org/qemu-xen-traditional.git#c8ea0457495342c417c3dc033bba25148b279f60-c8ea0457495342c417c3dc033bba25148b279f60
 
git://xenbits.xen.org/qemu-xen.git#8acabec966263f90ad493e4af2642947c0c43d23-8acabec966263f90ad493e4af2642947c0c43d23
 
git://xenbits.xen.org/osstest/seabios.git#6a3b59ab9c7dc00331c21346052dfa6a0df45aa3-2e3de6253422112ae43e608661ba94ea6b345694
 
git://xenbits.xen.org/xen.git#24d62e126296b3f67dabdd49887d41d8ed69487f-934d6e1a77947662504cf4d5e\
 36c9520e03aa731
Use of uninitialized value $parents in array dereference at 
./adhoc-revtuple-generator line 465.
Use of uninitialized value in concatenation (.) or string at 
./adhoc-revtuple-generator line 465.
Loaded 12573 nodes in revision graph
Searching for test results:
 149650 [host=debina0]
 149676 pass 681bc423e823ab86b20748db311721bdef20defe 
5e9abf87163ad4aeaefef0b02961f8674b0a4879 
7bf5710b22aa8d58b7eeaaf3dc6960c26cade4f0 
bd6aa93296de36c5afabd34e4fa4083bccb8488d 
c8ea0457495342c417c3dc033bba25148b279f60 
8acabec966263f90ad493e4af2642947c0c43d23 
6a3b59ab9c7dc00331c21346052dfa6a0df45aa3 
24d62e126296b3f67dabdd49887d41d8ed69487f
 150039 [host=pinot1]
 150941 []
 150952 []
 150976 []
 151011 []
 151033 fail 681bc423e823ab86b20748db311721bdef20defe 
5e9abf87163ad4aeaefef0b02961f8674b0a4879 
7bf5710b22aa8d58b7eeaaf3dc6960c26cade4f0 
dafce295e6f447ed8905db4e29241e2c6c2a4389 
c8ea0457495342c417c3dc033bba25148b279f60 
8acabec966263f90ad493e4af2642947c0c43d23 
2e3de6253422112ae43e608661ba94ea6b345694 
934d6e1a77947662504cf4d5e36c9520e03aa731
 151060 blocked 681bc423e823ab86b20748db311721bdef20defe 
5e9abf87163ad4aeaefef0b02961f8674b0a4879 
7bf5710b22aa8d58b7eeaaf3dc6960c26cade4f0 
bd6aa93296de36c5afabd34e4fa4083bccb8488d 
c8ea0457495342c417c3dc033bba25148b279f60 
8acabec966263f90ad493e4af2642947c0c43d23 
6a3b59ab9c7dc00331c21346052dfa6a0df45aa3 
24d62e126296b3f67dabdd49887d41d8ed69487f
 151067 blocked 681bc423e823ab86b20748db311721bdef20defe 
5e9abf87163ad4aeaefef0b02961f8674b0a4879 
7bf5710b22aa8d58b7eeaaf3dc6960c26cade4f0 
bd6aa93296de36c5afabd34e4fa4083bccb8488d 
c8ea0457495342c417c3dc033bba25148b279f60 
8acabec966263f90ad493e4af2642947c0c43d23 
6a3b59ab9c7dc00331c21346052dfa6a0df45aa3 
24d62e126296b3f67dabdd49887d41d8ed69487f
 151068 blocked 681bc423e823ab86b20748db311721bdef20defe 
5e9abf87163ad4aeaefef0b02961f8674b0a4879 
7bf5710b22aa8d58b7eeaaf3dc6960c26cade4f0 
bd6aa93296de36c5afabd34e4fa4083bccb8488d 
c8ea0457495342c417c3dc033bba25148b279f60 
8acabec966263f90ad493e4af2642947c0c43d23 
6a3b59ab9c7dc00331c21346052dfa6a0df45aa3 
24d62e126296b3f67dabdd49887d41d8ed69487f
 151071 blocked 681bc423e823ab86b20748db311721bdef20defe 
5e9abf87163ad4aeaefef0b02961f8674b0a4879 
7bf5710b22aa8d58b7eeaaf3dc6960c26cade4f0 
bd6aa93296de36c5afabd34e4fa4083bccb8488d 
c8ea0457495342c417c3dc033bba25148b279f60 
8acabec966263f90ad493e4af2642947c0c43d23 
6a3b59ab9c7dc00331c21346052dfa6a0df45aa3 
24d62e126296b3f67dabdd49887d41d8ed69487f
 151072 blocked 681bc423e823ab86b20748db311721bdef20defe 
5e9abf87163ad4aeaefef0b02961f8674b0a4879 
7bf5710b22aa8d58b7eeaaf3dc6960c26cade4f0 
bd6aa93296de36c5afabd34e4fa4083bccb8488d 
c8ea0457495342c417c3dc033bba25148b279f60 
8acabec966263f90ad493e4af2642947c0c43d23 
6a3b59ab9c7dc00331c21346052dfa6a0df45aa3 
24d62e126296b3f67dabdd49887d41d8ed69487f
Searching for interesting versions
 Result found: flight 149676 (pass), for basis pass
 For basis failure, parent search stopping at 
681bc423e823ab86b20748db311721bdef20defe 
5e9abf87163ad4aeaefef0b02961f8674b0a4879 
7bf5710b22aa8d58b7eeaaf3dc6960c26cade4f0 
bd6aa93296de36c5afabd34e4fa4083bccb8488d 
c8ea0457495342c417c3dc033bba25148b279f60 
8acabec966263f90ad493e4af2642947c0c43d23 
6a3b59ab9c7dc00331c21346052dfa6a0df45aa3 
24d62e126296b3f67dabdd49887d41d8ed69487f, results HASH(0x562738f24298) 
HASH(0x562738f2c748) HASH(0x562737a46ed8) HASH(0x562738f25eb0) 
HASH(0x562737a46938) HASH(0x56273\
 8f148a0) Result found: flight 151033 (fail), for basis failure (at ancestor 
~599)
Need to reproduce basis pass (pass); had 1 already.
Should test 681bc423e823ab86b20748db311721bdef20defe 
5e9abf87163ad4aeaefef0b02961f8674b0a4879 
7bf5710b22aa8d58b7eeaaf3dc6960c26cade4f0 
bd6aa93296de36c5afabd34e4fa4083bccb8488d 
c8ea0457495342c417c3dc033bba25148b279f60 
8acabec966263f90ad493e4af2642947c0c43d23 
6a3b59ab9c7dc00331c21346052dfa6a0df45aa3 
24d62e126296b3f67dabdd49887d41d8ed69487f.
pnmtopng: 93 colors found
Revision graph left in 
/home/logs/results/bisect/xen-4.10-testing/build-amd64-libvirt.libvirt-build.{dot,ps,png,html,svg}.
Populating 151074...
Need 151074.build-amd64-libvirt (like 151033)
 revision_libvirt=681bc423e823ab86b20748db311721bdef20defe
 revision_libvirt_gnulib=5e9abf87163ad4aeaefef0b02961f8674b0a4879
 revision_libvirt_keycodemapdb=7bf5710b22aa8d58b7eeaaf3dc6960c26cade4f0
 revision_xen=24d62e126296b3f67dabdd49887d41d8ed69487f
Creating 151074.build-amd64-libvirt (copying from 151033)
Need 151074.build-amd64 (like 151033)
 revision_ovmf=bd6aa93296de36c5afabd34e4fa4083bccb8488d
 revision_qemu=c8ea0457495342c417c3dc033bba25148b279f60
 revision_qemuu=8acabec966263f90ad493e4af2642947c0c43d23
 revision_seabios=6a3b59ab9c7dc00331c21346052dfa6a0df45aa3
 revision_xen=24d62e126296b3f67dabdd49887d41d8ed69487f
Searching for build-amd64 (like 151033) to reuse...
Creating 151074.build-amd64 (copying from 151033)
DB confict (err=7 state=40001): DBD::Pg::db do failed: ERROR:  could not 
serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during write.
HINT:  The transaction might succeed if retried. [for Statement "            
INSERT INTO jobs (flight, job, recipe, status)
                      VALUES (?, ?, ?, 'queued')
"]
DB conflict (messages above may refer); retrying...
Populating 151074...
Need 151074.build-amd64-libvirt (like 151033)
 revision_libvirt=681bc423e823ab86b20748db311721bdef20defe
 revision_libvirt_gnulib=5e9abf87163ad4aeaefef0b02961f8674b0a4879
 revision_libvirt_keycodemapdb=7bf5710b22aa8d58b7eeaaf3dc6960c26cade4f0
 revision_xen=24d62e126296b3f67dabdd49887d41d8ed69487f
Creating 151074.build-amd64-libvirt (copying from 151033)
Need 151074.build-amd64 (like 151033)
 revision_ovmf=bd6aa93296de36c5afabd34e4fa4083bccb8488d
 revision_qemu=c8ea0457495342c417c3dc033bba25148b279f60
 revision_qemuu=8acabec966263f90ad493e4af2642947c0c43d23
 revision_seabios=6a3b59ab9c7dc00331c21346052dfa6a0df45aa3
 revision_xen=24d62e126296b3f67dabdd49887d41d8ed69487f
Creating 151074.build-amd64 (copying from 151033)
Checking for flail (since 149676)...

*** Flailing - >=5 identical flights to no useful effect ***
  Bisector is flailing: >=5 identical flights generated.
  Problem occurs when attempting to test this revision:
   681bc423e823ab86b20748db311721bdef20defe 
5e9abf87163ad4aeaefef0b02961f8674b0a4879 
7bf5710b22aa8d58b7eeaaf3dc6960c26cade4f0 
bd6aa93296de36c5afabd34e4fa4083bccb8488d 
c8ea0457495342c417c3dc033bba25148b279f60 
8acabec966263f90ad493e4af2642947c0c43d23 
6a3b59ab9c7dc00331c21346052dfa6a0df45aa3 
24d62e126296b3f67dabdd49887d41d8ed69487f
  
  Identical previous flights on this branch:
   151072  started 2020-06-13 09:24:20 Z  blessed real-bisect
   151071  started 2020-06-13 07:49:54 Z  blessed real-bisect
   151068  started 2020-06-13 06:39:17 Z  blessed real-bisect
   151067  started 2020-06-13 06:27:34 Z  blessed real-bisect
   151060  started 2020-06-12 08:26:57 Z  blessed real-bisect
   151074  just generated