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[xen-4.15-testing bisection] 170921: testing test-amd64-i386-xl-qemuu-debianhvm-amd64



branch xen-4.15-testing
xenbranch xen-4.15-testing
job test-amd64-i386-xl-qemuu-debianhvm-amd64
testid xen-boot

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

For bisection revision-tuple graph see:
   
http://logs.test-lab.xenproject.org/osstest/results/bisect/xen-4.15-testing/test-amd64-i386-xl-qemuu-debianhvm-amd64.xen-boot.html
Revision IDs in each graph node refer, respectively, to the Trees above.

----------------------------------------
Running cs-bisection-step 
--graph-out=/home/logs/results/bisect/xen-4.15-testing/test-amd64-i386-xl-qemuu-debianhvm-amd64.xen-boot
 --summary-out=tmp/170921.bisection-summary --basis-template=170870 
--blessings=real,real-bisect,real-retry --flight=170921 xen-4.15-testing 
test-amd64-i386-xl-qemuu-debianhvm-amd64 xen-boot
Searching for failure / basis pass:
 170904 fail [host=nobling0] / 170870 [host=huxelrebe1] 169237 [host=albana1] 
169193 [host=debina1] 169178 [host=pinot1] 169162 [host=pinot0] 169152 
[host=chardonnay0] 169143 [host=albana0] 169132 ok.
Failure / basis pass flights: 170904 / 169132
(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
Latest c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
ff36b2550f94dc5fac838cf298ae5a23cfddf204 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
6503bd6a1b5364ffd346a8a475e1eb91b9f756e5 
dc88f9b72df52b22c35b127b80c487e0b6fca4af 
a851dbce6876cd2c5689f912787c15cc507cbb39
Basis pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
b1b89f9009f2390652e0061bd7b24fc40732bc70 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
6503bd6a1b5364ffd346a8a475e1eb91b9f756e5 
d239552ce7220e448ae81f41515138f7b9e3c4db 
bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
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/osstest/ovmf.git#b1b89f9009f2390652e0061bd7b24fc40732bc70-ff36b2550f94dc5fac838cf298ae5a23cfddf204
 git://xenbits.xen.org/qemu-xen-traditional.git#3d273dd05e51e5a1ffba3d98c74\
 37ee84e8f8764-3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
git://xenbits.xen.org/qemu-xen.git#6503bd6a1b5364ffd346a8a475e1eb91b9f756e5-6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 
git://xenbits.xen.org/osstest/seabios.git#d239552ce7220e448ae81f41515138f7b9e3c4db-dc88f9b72df52b22c35b127b80c487e0b6fca4af
 
git://xenbits.xen.org/xen.git#bb43e0e1ca20dff14536b7c90ff870f3f50bff8f-a851dbce6876cd2c5689f912787c15cc507cbb39
>From git://cache:9419/git://xenbits.xen.org/xen
   c1c9cae3a9..b8bc4588b3  staging      -> origin/staging
   f9ae12fc10..1575075b2e  staging-4.13 -> origin/staging-4.13
   82ba97ec6b..d7ebe3dfe3  staging-4.14 -> origin/staging-4.14
   a851dbce68..0d12261727  staging-4.15 -> origin/staging-4.15
   dc020d8d1b..0b4e62847c  staging-4.16 -> origin/staging-4.16
Loaded 7994 nodes in revision graph
Searching for test results:
 168970 [host=chardonnay0]
 168992 [host=elbling1]
 169040 [host=fiano1]
 169079 [host=chardonnay1]
 169115 [host=nobling1]
 169132 pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
b1b89f9009f2390652e0061bd7b24fc40732bc70 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
6503bd6a1b5364ffd346a8a475e1eb91b9f756e5 
d239552ce7220e448ae81f41515138f7b9e3c4db 
bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
 169143 [host=albana0]
 169152 [host=chardonnay0]
 169162 [host=pinot0]
 169178 [host=pinot1]
 169193 [host=debina1]
 169237 [host=albana1]
 170870 [host=huxelrebe1]
 170904 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
ff36b2550f94dc5fac838cf298ae5a23cfddf204 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
6503bd6a1b5364ffd346a8a475e1eb91b9f756e5 
dc88f9b72df52b22c35b127b80c487e0b6fca4af 
a851dbce6876cd2c5689f912787c15cc507cbb39
Searching for interesting versions
 Result found: flight 169132 (pass), for basis pass
 For basis failure, parent search stopping at 
c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
b1b89f9009f2390652e0061bd7b24fc40732bc70 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
6503bd6a1b5364ffd346a8a475e1eb91b9f756e5 
d239552ce7220e448ae81f41515138f7b9e3c4db 
bb43e0e1ca20dff14536b7c90ff870f3f50bff8f, results HASH(0x555e2c3c1500) Result 
found: flight 170904 (fail), for basis failure (at ancestor ~793)
Need to reproduce basis pass (pass); had 1 already.
Should test c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
b1b89f9009f2390652e0061bd7b24fc40732bc70 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
6503bd6a1b5364ffd346a8a475e1eb91b9f756e5 
d239552ce7220e448ae81f41515138f7b9e3c4db 
bb43e0e1ca20dff14536b7c90ff870f3f50bff8f.
pnmtopng: 34 colors found
Revision graph left in 
/home/logs/results/bisect/xen-4.15-testing/test-amd64-i386-xl-qemuu-debianhvm-amd64.xen-boot.{dot,ps,png,html,svg}.
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
Can NOT reuse build 168994.build-i386: /home/logs/logs/168994/build-i386: No 
such file or directory
Creating 170921.build-i386 (copying from 170904)
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 after 0.187522113164054...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
Can NOT reuse build 168994.build-i386: /home/logs/logs/168994/build-i386: No 
such file or directory
Creating 170921.build-i386 (copying from 170904)
Need 170921.build-i386-pvops (like 170904)
 revision_linux=c3038e718a19fc596f7b1baba0f83d5146dc7784
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Searching for build-i386-pvops (like 170904) to reuse...
Can reuse build-kern 170904.build-i386-pvops.
Need 170921.build-amd64 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-amd64 (like 170904) to reuse...
Can NOT reuse build 168994.build-amd64: /home/logs/logs/168994/build-amd64: No 
such file or directory
Creating 170921.build-amd64 (copying from 170904)
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 after 1.48882727715585...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
Can NOT reuse build 168994.build-i386: /home/logs/logs/168994/build-i386: No 
such file or directory
Creating 170921.build-i386 (copying from 170904)
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 after 0.740194637443356...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
Can NOT reuse build 168994.build-i386: /home/logs/logs/168994/build-i386: No 
such file or directory
Creating 170921.build-i386 (copying from 170904)
Need 170921.build-i386-pvops (like 170904)
 revision_linux=c3038e718a19fc596f7b1baba0f83d5146dc7784
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Can reuse build-kern 170904.build-i386-pvops.
Need 170921.build-amd64 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-amd64 (like 170904) to reuse...
DB confict (err=7 state=40001): DBD::Pg::db selectrow_hashref failed: ERROR:  
could not serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during conflict 
out checking.
HINT:  The transaction might succeed if retried. [for Statement "            
SELECT  *
            FROM    flights JOIN jobs j USING (flight)
            WHERE   j.job=?
            AND     j.status='pass'
            AND     (blessing='real' OR  blessing='real-bisect' OR  
blessing='real-retry')
            AND     (TRUE)
            AND     0 = ( SELECT count(*)
                          FROM
                              ( SELECT name,val
                                FROM   runvars
                                WHERE  runvars.flight = flights.flight
                                  AND  job=? AND synth='f'
                              ) o
                          FULL OUTER JOIN
                              bisection_runvars want
                          USING (name)
                          WHERE (o.val = want.val) IS NOT TRUE
                        )
            ORDER BY flights.started desc
            LIMIT 1
"]
DB conflict (messages above may refer); retrying after 0.0171518040695275...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
DB confict (err=7 state=40001): DBD::Pg::db selectrow_hashref failed: ERROR:  
could not serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during conflict 
out checking.
HINT:  The transaction might succeed if retried. [for Statement "            
SELECT  *
            FROM    flights JOIN jobs j USING (flight)
            WHERE   j.job=?
            AND     j.status='pass'
            AND     (blessing='real' OR  blessing='real-bisect' OR  
blessing='real-retry')
            AND     (TRUE)
            AND     0 = ( SELECT count(*)
                          FROM
                              ( SELECT name,val
                                FROM   runvars
                                WHERE  runvars.flight = flights.flight
                                  AND  job=? AND synth='f'
                              ) o
                          FULL OUTER JOIN
                              bisection_runvars want
                          USING (name)
                          WHERE (o.val = want.val) IS NOT TRUE
                        )
            ORDER BY flights.started desc
            LIMIT 1
"]
DB conflict (messages above may refer); retrying after 4.52043323376111...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
DB confict (err=7 state=40001): DBD::Pg::db selectrow_hashref failed: ERROR:  
could not serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during conflict 
out checking.
HINT:  The transaction might succeed if retried. [for Statement "            
SELECT  *
            FROM    flights JOIN jobs j USING (flight)
            WHERE   j.job=?
            AND     j.status='pass'
            AND     (blessing='real' OR  blessing='real-bisect' OR  
blessing='real-retry')
            AND     (TRUE)
            AND     0 = ( SELECT count(*)
                          FROM
                              ( SELECT name,val
                                FROM   runvars
                                WHERE  runvars.flight = flights.flight
                                  AND  job=? AND synth='f'
                              ) o
                          FULL OUTER JOIN
                              bisection_runvars want
                          USING (name)
                          WHERE (o.val = want.val) IS NOT TRUE
                        )
            ORDER BY flights.started desc
            LIMIT 1
"]
DB conflict (messages above may refer); retrying after 3.00011309553511...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
DB confict (err=7 state=40001): DBD::Pg::db selectrow_hashref failed: ERROR:  
could not serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during conflict 
out checking.
HINT:  The transaction might succeed if retried. [for Statement "            
SELECT  *
            FROM    flights JOIN jobs j USING (flight)
            WHERE   j.job=?
            AND     j.status='pass'
            AND     (blessing='real' OR  blessing='real-bisect' OR  
blessing='real-retry')
            AND     (TRUE)
            AND     0 = ( SELECT count(*)
                          FROM
                              ( SELECT name,val
                                FROM   runvars
                                WHERE  runvars.flight = flights.flight
                                  AND  job=? AND synth='f'
                              ) o
                          FULL OUTER JOIN
                              bisection_runvars want
                          USING (name)
                          WHERE (o.val = want.val) IS NOT TRUE
                        )
            ORDER BY flights.started desc
            LIMIT 1
"]
DB conflict (messages above may refer); retrying after 4.72653419294182...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
Can NOT reuse build 168994.build-i386: /home/logs/logs/168994/build-i386: No 
such file or directory
Creating 170921.build-i386 (copying from 170904)
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 after 0.506329082280615...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
Can NOT reuse build 168994.build-i386: /home/logs/logs/168994/build-i386: No 
such file or directory
Creating 170921.build-i386 (copying from 170904)
Need 170921.build-i386-pvops (like 170904)
 revision_linux=c3038e718a19fc596f7b1baba0f83d5146dc7784
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Can reuse build-kern 170904.build-i386-pvops.
Need 170921.build-amd64 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-amd64 (like 170904) to reuse...
DB confict (err=7 state=40001): DBD::Pg::db selectrow_hashref failed: ERROR:  
could not serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during conflict 
out checking.
HINT:  The transaction might succeed if retried. [for Statement "            
SELECT  *
            FROM    flights JOIN jobs j USING (flight)
            WHERE   j.job=?
            AND     j.status='pass'
            AND     (blessing='real' OR  blessing='real-bisect' OR  
blessing='real-retry')
            AND     (TRUE)
            AND     0 = ( SELECT count(*)
                          FROM
                              ( SELECT name,val
                                FROM   runvars
                                WHERE  runvars.flight = flights.flight
                                  AND  job=? AND synth='f'
                              ) o
                          FULL OUTER JOIN
                              bisection_runvars want
                          USING (name)
                          WHERE (o.val = want.val) IS NOT TRUE
                        )
            ORDER BY flights.started desc
            LIMIT 1
"]
DB conflict (messages above may refer); retrying after 0.0995630474441818...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
Can NOT reuse build 168994.build-i386: /home/logs/logs/168994/build-i386: No 
such file or directory
Creating 170921.build-i386 (copying from 170904)
Need 170921.build-i386-pvops (like 170904)
 revision_linux=c3038e718a19fc596f7b1baba0f83d5146dc7784
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Can reuse build-kern 170904.build-i386-pvops.
Need 170921.build-amd64 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-amd64 (like 170904) to reuse...
Can NOT reuse build 168994.build-amd64: /home/logs/logs/168994/build-amd64: No 
such file or directory
Creating 170921.build-amd64 (copying from 170904)
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 after 3.32083951507911...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
Can NOT reuse build 168994.build-i386: /home/logs/logs/168994/build-i386: No 
such file or directory
Creating 170921.build-i386 (copying from 170904)
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 after 7.14642728719966...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
Can NOT reuse build 168994.build-i386: /home/logs/logs/168994/build-i386: No 
such file or directory
Creating 170921.build-i386 (copying from 170904)
Need 170921.build-i386-pvops (like 170904)
 revision_linux=c3038e718a19fc596f7b1baba0f83d5146dc7784
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Can reuse build-kern 170904.build-i386-pvops.
Need 170921.build-amd64 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-amd64 (like 170904) to reuse...
DB confict (err=7 state=40001): DBD::Pg::db selectrow_hashref failed: ERROR:  
could not serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during conflict 
out checking.
HINT:  The transaction might succeed if retried. [for Statement "            
SELECT  *
            FROM    flights JOIN jobs j USING (flight)
            WHERE   j.job=?
            AND     j.status='pass'
            AND     (blessing='real' OR  blessing='real-bisect' OR  
blessing='real-retry')
            AND     (TRUE)
            AND     0 = ( SELECT count(*)
                          FROM
                              ( SELECT name,val
                                FROM   runvars
                                WHERE  runvars.flight = flights.flight
                                  AND  job=? AND synth='f'
                              ) o
                          FULL OUTER JOIN
                              bisection_runvars want
                          USING (name)
                          WHERE (o.val = want.val) IS NOT TRUE
                        )
            ORDER BY flights.started desc
            LIMIT 1
"]
DB conflict (messages above may refer); retrying after 1.70880610204924...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
DB confict (err=7 state=40001): DBD::Pg::db selectrow_hashref failed: ERROR:  
could not serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during conflict 
out checking.
HINT:  The transaction might succeed if retried. [for Statement "            
SELECT  *
            FROM    flights JOIN jobs j USING (flight)
            WHERE   j.job=?
            AND     j.status='pass'
            AND     (blessing='real' OR  blessing='real-bisect' OR  
blessing='real-retry')
            AND     (TRUE)
            AND     0 = ( SELECT count(*)
                          FROM
                              ( SELECT name,val
                                FROM   runvars
                                WHERE  runvars.flight = flights.flight
                                  AND  job=? AND synth='f'
                              ) o
                          FULL OUTER JOIN
                              bisection_runvars want
                          USING (name)
                          WHERE (o.val = want.val) IS NOT TRUE
                        )
            ORDER BY flights.started desc
            LIMIT 1
"]
DB conflict (messages above may refer); retrying after 8.61772348072268...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
Can NOT reuse build 168994.build-i386: /home/logs/logs/168994/build-i386: No 
such file or directory
Creating 170921.build-i386 (copying from 170904)
Need 170921.build-i386-pvops (like 170904)
 revision_linux=c3038e718a19fc596f7b1baba0f83d5146dc7784
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Can reuse build-kern 170904.build-i386-pvops.
Need 170921.build-amd64 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-amd64 (like 170904) to reuse...
DB confict (err=7 state=40001): DBD::Pg::db selectrow_hashref failed: ERROR:  
could not serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during conflict 
out checking.
HINT:  The transaction might succeed if retried. [for Statement "            
SELECT  *
            FROM    flights JOIN jobs j USING (flight)
            WHERE   j.job=?
            AND     j.status='pass'
            AND     (blessing='real' OR  blessing='real-bisect' OR  
blessing='real-retry')
            AND     (TRUE)
            AND     0 = ( SELECT count(*)
                          FROM
                              ( SELECT name,val
                                FROM   runvars
                                WHERE  runvars.flight = flights.flight
                                  AND  job=? AND synth='f'
                              ) o
                          FULL OUTER JOIN
                              bisection_runvars want
                          USING (name)
                          WHERE (o.val = want.val) IS NOT TRUE
                        )
            ORDER BY flights.started desc
            LIMIT 1
"]
DB conflict (messages above may refer); retrying after 13.6738150769167...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
DB confict (err=7 state=40001): DBD::Pg::db selectrow_hashref failed: ERROR:  
could not serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during conflict 
out checking.
HINT:  The transaction might succeed if retried. [for Statement "            
SELECT  *
            FROM    flights JOIN jobs j USING (flight)
            WHERE   j.job=?
            AND     j.status='pass'
            AND     (blessing='real' OR  blessing='real-bisect' OR  
blessing='real-retry')
            AND     (TRUE)
            AND     0 = ( SELECT count(*)
                          FROM
                              ( SELECT name,val
                                FROM   runvars
                                WHERE  runvars.flight = flights.flight
                                  AND  job=? AND synth='f'
                              ) o
                          FULL OUTER JOIN
                              bisection_runvars want
                          USING (name)
                          WHERE (o.val = want.val) IS NOT TRUE
                        )
            ORDER BY flights.started desc
            LIMIT 1
"]
DB conflict (messages above may refer); retrying after 3.51555101334037...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
DB confict (err=7 state=40001): DBD::Pg::db selectrow_hashref failed: ERROR:  
could not serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during conflict 
out checking.
HINT:  The transaction might succeed if retried. [for Statement "            
SELECT  *
            FROM    flights JOIN jobs j USING (flight)
            WHERE   j.job=?
            AND     j.status='pass'
            AND     (blessing='real' OR  blessing='real-bisect' OR  
blessing='real-retry')
            AND     (TRUE)
            AND     0 = ( SELECT count(*)
                          FROM
                              ( SELECT name,val
                                FROM   runvars
                                WHERE  runvars.flight = flights.flight
                                  AND  job=? AND synth='f'
                              ) o
                          FULL OUTER JOIN
                              bisection_runvars want
                          USING (name)
                          WHERE (o.val = want.val) IS NOT TRUE
                        )
            ORDER BY flights.started desc
            LIMIT 1
"]
DB conflict (messages above may refer); retrying after 7.13549552625216...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
DB confict (err=7 state=40001): DBD::Pg::db selectrow_hashref failed: ERROR:  
could not serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during conflict 
out checking.
HINT:  The transaction might succeed if retried. [for Statement "            
SELECT  *
            FROM    flights JOIN jobs j USING (flight)
            WHERE   j.job=?
            AND     j.status='pass'
            AND     (blessing='real' OR  blessing='real-bisect' OR  
blessing='real-retry')
            AND     (TRUE)
            AND     0 = ( SELECT count(*)
                          FROM
                              ( SELECT name,val
                                FROM   runvars
                                WHERE  runvars.flight = flights.flight
                                  AND  job=? AND synth='f'
                              ) o
                          FULL OUTER JOIN
                              bisection_runvars want
                          USING (name)
                          WHERE (o.val = want.val) IS NOT TRUE
                        )
            ORDER BY flights.started desc
            LIMIT 1
"]
DB conflict (messages above may refer); retrying after 15.545960819565...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
DB confict (err=7 state=40001): DBD::Pg::db selectrow_hashref failed: ERROR:  
could not serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during conflict 
out checking.
HINT:  The transaction might succeed if retried. [for Statement "            
SELECT  *
            FROM    flights JOIN jobs j USING (flight)
            WHERE   j.job=?
            AND     j.status='pass'
            AND     (blessing='real' OR  blessing='real-bisect' OR  
blessing='real-retry')
            AND     (TRUE)
            AND     0 = ( SELECT count(*)
                          FROM
                              ( SELECT name,val
                                FROM   runvars
                                WHERE  runvars.flight = flights.flight
                                  AND  job=? AND synth='f'
                              ) o
                          FULL OUTER JOIN
                              bisection_runvars want
                          USING (name)
                          WHERE (o.val = want.val) IS NOT TRUE
                        )
            ORDER BY flights.started desc
            LIMIT 1
"]
DB conflict (messages above may refer); retrying after 12.4720097731175...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
DB confict (err=7 state=40001): DBD::Pg::db selectrow_hashref failed: ERROR:  
could not serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during conflict 
out checking.
HINT:  The transaction might succeed if retried. [for Statement "            
SELECT  *
            FROM    flights JOIN jobs j USING (flight)
            WHERE   j.job=?
            AND     j.status='pass'
            AND     (blessing='real' OR  blessing='real-bisect' OR  
blessing='real-retry')
            AND     (TRUE)
            AND     0 = ( SELECT count(*)
                          FROM
                              ( SELECT name,val
                                FROM   runvars
                                WHERE  runvars.flight = flights.flight
                                  AND  job=? AND synth='f'
                              ) o
                          FULL OUTER JOIN
                              bisection_runvars want
                          USING (name)
                          WHERE (o.val = want.val) IS NOT TRUE
                        )
            ORDER BY flights.started desc
            LIMIT 1
"]
DB conflict (messages above may refer); retrying after 17.9885732404023...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
DB confict (err=7 state=40001): DBD::Pg::db selectrow_hashref failed: ERROR:  
could not serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during conflict 
out checking.
HINT:  The transaction might succeed if retried. [for Statement "            
SELECT  *
            FROM    flights JOIN jobs j USING (flight)
            WHERE   j.job=?
            AND     j.status='pass'
            AND     (blessing='real' OR  blessing='real-bisect' OR  
blessing='real-retry')
            AND     (TRUE)
            AND     0 = ( SELECT count(*)
                          FROM
                              ( SELECT name,val
                                FROM   runvars
                                WHERE  runvars.flight = flights.flight
                                  AND  job=? AND synth='f'
                              ) o
                          FULL OUTER JOIN
                              bisection_runvars want
                          USING (name)
                          WHERE (o.val = want.val) IS NOT TRUE
                        )
            ORDER BY flights.started desc
            LIMIT 1
"]
DB conflict (messages above may refer); retrying after 16.4857943789868...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
Can NOT reuse build 168994.build-i386: /home/logs/logs/168994/build-i386: No 
such file or directory
Creating 170921.build-i386 (copying from 170904)
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 after 1.64815360518677...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
Can NOT reuse build 168994.build-i386: /home/logs/logs/168994/build-i386: No 
such file or directory
Creating 170921.build-i386 (copying from 170904)
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 after 19.1101280377516...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
Can NOT reuse build 168994.build-i386: /home/logs/logs/168994/build-i386: No 
such file or directory
Creating 170921.build-i386 (copying from 170904)
Need 170921.build-i386-pvops (like 170904)
 revision_linux=c3038e718a19fc596f7b1baba0f83d5146dc7784
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Can reuse build-kern 170904.build-i386-pvops.
Need 170921.build-amd64 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-amd64 (like 170904) to reuse...
DB confict (err=7 state=40001): DBD::Pg::db selectrow_hashref failed: ERROR:  
could not serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during conflict 
out checking.
HINT:  The transaction might succeed if retried. [for Statement "            
SELECT  *
            FROM    flights JOIN jobs j USING (flight)
            WHERE   j.job=?
            AND     j.status='pass'
            AND     (blessing='real' OR  blessing='real-bisect' OR  
blessing='real-retry')
            AND     (TRUE)
            AND     0 = ( SELECT count(*)
                          FROM
                              ( SELECT name,val
                                FROM   runvars
                                WHERE  runvars.flight = flights.flight
                                  AND  job=? AND synth='f'
                              ) o
                          FULL OUTER JOIN
                              bisection_runvars want
                          USING (name)
                          WHERE (o.val = want.val) IS NOT TRUE
                        )
            ORDER BY flights.started desc
            LIMIT 1
"]
DB conflict (messages above may refer); retrying after 1.54118458683661...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
Can NOT reuse build 168994.build-i386: /home/logs/logs/168994/build-i386: No 
such file or directory
Creating 170921.build-i386 (copying from 170904)
Need 170921.build-i386-pvops (like 170904)
 revision_linux=c3038e718a19fc596f7b1baba0f83d5146dc7784
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Can reuse build-kern 170904.build-i386-pvops.
Need 170921.build-amd64 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-amd64 (like 170904) to reuse...
Can NOT reuse build 168994.build-amd64: /home/logs/logs/168994/build-amd64: No 
such file or directory
Creating 170921.build-amd64 (copying from 170904)
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 after 0.465895296572455...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
Can NOT reuse build 168994.build-i386: /home/logs/logs/168994/build-i386: No 
such file or directory
Creating 170921.build-i386 (copying from 170904)
Need 170921.build-i386-pvops (like 170904)
 revision_linux=c3038e718a19fc596f7b1baba0f83d5146dc7784
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Can reuse build-kern 170904.build-i386-pvops.
Need 170921.build-amd64 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-amd64 (like 170904) to reuse...
Can NOT reuse build 168994.build-amd64: /home/logs/logs/168994/build-amd64: No 
such file or directory
Creating 170921.build-amd64 (copying from 170904)
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 after 19.2257057449802...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
Can NOT reuse build 168994.build-i386: /home/logs/logs/168994/build-i386: No 
such file or directory
Creating 170921.build-i386 (copying from 170904)
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 after 22.0380823151974...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
DB confict (err=7 state=40001): DBD::Pg::db selectrow_hashref failed: ERROR:  
could not serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during conflict 
out checking.
HINT:  The transaction might succeed if retried. [for Statement "            
SELECT  *
            FROM    flights JOIN jobs j USING (flight)
            WHERE   j.job=?
            AND     j.status='pass'
            AND     (blessing='real' OR  blessing='real-bisect' OR  
blessing='real-retry')
            AND     (TRUE)
            AND     0 = ( SELECT count(*)
                          FROM
                              ( SELECT name,val
                                FROM   runvars
                                WHERE  runvars.flight = flights.flight
                                  AND  job=? AND synth='f'
                              ) o
                          FULL OUTER JOIN
                              bisection_runvars want
                          USING (name)
                          WHERE (o.val = want.val) IS NOT TRUE
                        )
            ORDER BY flights.started desc
            LIMIT 1
"]
DB conflict (messages above may refer); retrying after 6.89359075459183...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
DB confict (err=7 state=40001): DBD::Pg::db selectrow_hashref failed: ERROR:  
could not serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during conflict 
out checking.
HINT:  The transaction might succeed if retried. [for Statement "            
SELECT  *
            FROM    flights JOIN jobs j USING (flight)
            WHERE   j.job=?
            AND     j.status='pass'
            AND     (blessing='real' OR  blessing='real-bisect' OR  
blessing='real-retry')
            AND     (TRUE)
            AND     0 = ( SELECT count(*)
                          FROM
                              ( SELECT name,val
                                FROM   runvars
                                WHERE  runvars.flight = flights.flight
                                  AND  job=? AND synth='f'
                              ) o
                          FULL OUTER JOIN
                              bisection_runvars want
                          USING (name)
                          WHERE (o.val = want.val) IS NOT TRUE
                        )
            ORDER BY flights.started desc
            LIMIT 1
"]
DB conflict (messages above may refer); retrying after 14.6766994559103...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
DB confict (err=7 state=40001): DBD::Pg::db selectrow_hashref failed: ERROR:  
could not serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during conflict 
out checking.
HINT:  The transaction might succeed if retried. [for Statement "            
SELECT  *
            FROM    flights JOIN jobs j USING (flight)
            WHERE   j.job=?
            AND     j.status='pass'
            AND     (blessing='real' OR  blessing='real-bisect' OR  
blessing='real-retry')
            AND     (TRUE)
            AND     0 = ( SELECT count(*)
                          FROM
                              ( SELECT name,val
                                FROM   runvars
                                WHERE  runvars.flight = flights.flight
                                  AND  job=? AND synth='f'
                              ) o
                          FULL OUTER JOIN
                              bisection_runvars want
                          USING (name)
                          WHERE (o.val = want.val) IS NOT TRUE
                        )
            ORDER BY flights.started desc
            LIMIT 1
"]
DB conflict (messages above may refer); retrying after 7.73160126991772...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
DB confict (err=7 state=40001): DBD::Pg::db selectrow_hashref failed: ERROR:  
could not serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during conflict 
out checking.
HINT:  The transaction might succeed if retried. [for Statement "            
SELECT  *
            FROM    flights JOIN jobs j USING (flight)
            WHERE   j.job=?
            AND     j.status='pass'
            AND     (blessing='real' OR  blessing='real-bisect' OR  
blessing='real-retry')
            AND     (TRUE)
            AND     0 = ( SELECT count(*)
                          FROM
                              ( SELECT name,val
                                FROM   runvars
                                WHERE  runvars.flight = flights.flight
                                  AND  job=? AND synth='f'
                              ) o
                          FULL OUTER JOIN
                              bisection_runvars want
                          USING (name)
                          WHERE (o.val = want.val) IS NOT TRUE
                        )
            ORDER BY flights.started desc
            LIMIT 1
"]
DB conflict (messages above may refer); retrying after 9.85916785867616...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
DB confict (err=7 state=40001): DBD::Pg::db selectrow_hashref failed: ERROR:  
could not serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during conflict 
out checking.
HINT:  The transaction might succeed if retried. [for Statement "            
SELECT  *
            FROM    flights JOIN jobs j USING (flight)
            WHERE   j.job=?
            AND     j.status='pass'
            AND     (blessing='real' OR  blessing='real-bisect' OR  
blessing='real-retry')
            AND     (TRUE)
            AND     0 = ( SELECT count(*)
                          FROM
                              ( SELECT name,val
                                FROM   runvars
                                WHERE  runvars.flight = flights.flight
                                  AND  job=? AND synth='f'
                              ) o
                          FULL OUTER JOIN
                              bisection_runvars want
                          USING (name)
                          WHERE (o.val = want.val) IS NOT TRUE
                        )
            ORDER BY flights.started desc
            LIMIT 1
"]
DB conflict (messages above may refer); retrying after 18.6971130943257...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
DB confict (err=7 state=40001): DBD::Pg::db selectrow_hashref failed: ERROR:  
could not serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during conflict 
out checking.
HINT:  The transaction might succeed if retried. [for Statement "            
SELECT  *
            FROM    flights JOIN jobs j USING (flight)
            WHERE   j.job=?
            AND     j.status='pass'
            AND     (blessing='real' OR  blessing='real-bisect' OR  
blessing='real-retry')
            AND     (TRUE)
            AND     0 = ( SELECT count(*)
                          FROM
                              ( SELECT name,val
                                FROM   runvars
                                WHERE  runvars.flight = flights.flight
                                  AND  job=? AND synth='f'
                              ) o
                          FULL OUTER JOIN
                              bisection_runvars want
                          USING (name)
                          WHERE (o.val = want.val) IS NOT TRUE
                        )
            ORDER BY flights.started desc
            LIMIT 1
"]
DB conflict (messages above may refer); retrying after 1.76131162749311...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
DB confict (err=7 state=40001): DBD::Pg::db selectrow_hashref failed: ERROR:  
could not serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during conflict 
out checking.
HINT:  The transaction might succeed if retried. [for Statement "            
SELECT  *
            FROM    flights JOIN jobs j USING (flight)
            WHERE   j.job=?
            AND     j.status='pass'
            AND     (blessing='real' OR  blessing='real-bisect' OR  
blessing='real-retry')
            AND     (TRUE)
            AND     0 = ( SELECT count(*)
                          FROM
                              ( SELECT name,val
                                FROM   runvars
                                WHERE  runvars.flight = flights.flight
                                  AND  job=? AND synth='f'
                              ) o
                          FULL OUTER JOIN
                              bisection_runvars want
                          USING (name)
                          WHERE (o.val = want.val) IS NOT TRUE
                        )
            ORDER BY flights.started desc
            LIMIT 1
"]
DB conflict (messages above may refer); retrying after 32.1067064019378...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
DB confict (err=7 state=40001): DBD::Pg::db selectrow_hashref failed: ERROR:  
could not serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during conflict 
out checking.
HINT:  The transaction might succeed if retried. [for Statement "            
SELECT  *
            FROM    flights JOIN jobs j USING (flight)
            WHERE   j.job=?
            AND     j.status='pass'
            AND     (blessing='real' OR  blessing='real-bisect' OR  
blessing='real-retry')
            AND     (TRUE)
            AND     0 = ( SELECT count(*)
                          FROM
                              ( SELECT name,val
                                FROM   runvars
                                WHERE  runvars.flight = flights.flight
                                  AND  job=? AND synth='f'
                              ) o
                          FULL OUTER JOIN
                              bisection_runvars want
                          USING (name)
                          WHERE (o.val = want.val) IS NOT TRUE
                        )
            ORDER BY flights.started desc
            LIMIT 1
"]
DB conflict (messages above may refer); retrying after 16.6811062332856...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
DB confict (err=7 state=40001): DBD::Pg::db selectrow_hashref failed: ERROR:  
could not serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during conflict 
out checking.
HINT:  The transaction might succeed if retried. [for Statement "            
SELECT  *
            FROM    flights JOIN jobs j USING (flight)
            WHERE   j.job=?
            AND     j.status='pass'
            AND     (blessing='real' OR  blessing='real-bisect' OR  
blessing='real-retry')
            AND     (TRUE)
            AND     0 = ( SELECT count(*)
                          FROM
                              ( SELECT name,val
                                FROM   runvars
                                WHERE  runvars.flight = flights.flight
                                  AND  job=? AND synth='f'
                              ) o
                          FULL OUTER JOIN
                              bisection_runvars want
                          USING (name)
                          WHERE (o.val = want.val) IS NOT TRUE
                        )
            ORDER BY flights.started desc
            LIMIT 1
"]
DB conflict (messages above may refer); retrying after 26.3171335596386...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
Can NOT reuse build 168994.build-i386: /home/logs/logs/168994/build-i386: No 
such file or directory
Creating 170921.build-i386 (copying from 170904)
Need 170921.build-i386-pvops (like 170904)
 revision_linux=c3038e718a19fc596f7b1baba0f83d5146dc7784
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Can reuse build-kern 170904.build-i386-pvops.
Need 170921.build-amd64 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-amd64 (like 170904) to reuse...
Can NOT reuse build 168994.build-amd64: /home/logs/logs/168994/build-amd64: No 
such file or directory
Creating 170921.build-amd64 (copying from 170904)
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 after 33.062484458073...
Populating 170921...
Need 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (like 170904)
Creating 170921.test-amd64-i386-xl-qemuu-debianhvm-amd64 (copying from 170904)
Need 170921.build-i386 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-i386 (like 170904) to reuse...
Can NOT reuse build 168994.build-i386: /home/logs/logs/168994/build-i386: No 
such file or directory
Creating 170921.build-i386 (copying from 170904)
Need 170921.build-i386-pvops (like 170904)
 revision_linux=c3038e718a19fc596f7b1baba0f83d5146dc7784
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Can reuse build-kern 170904.build-i386-pvops.
Need 170921.build-amd64 (like 170904)
 revision_ovmf=b1b89f9009f2390652e0061bd7b24fc40732bc70
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6503bd6a1b5364ffd346a8a475e1eb91b9f756e5
 revision_seabios=d239552ce7220e448ae81f41515138f7b9e3c4db
 revision_xen=bb43e0e1ca20dff14536b7c90ff870f3f50bff8f
Searching for build-amd64 (like 170904) to reuse...
Can NOT reuse build 168994.build-amd64: /home/logs/logs/168994/build-amd64: No 
such file or directory
Creating 170921.build-amd64 (copying from 170904)
Checking for flail (since 169132)...
Flight 170921 ready to go.



 


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