[linux-3.18 bisection] 134435: testing test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow

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

branch xen-unstable
xenbranch xen-unstable
job test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow
testid xen-boot

Tree: linux 
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.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

For bisection revision-tuple graph see:
   
http://logs.test-lab.xenproject.org/osstest/results/bisect/linux-3.18/test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow.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/linux-3.18/test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow.xen-boot
 --summary-out=tmp/134435.bisection-summary --basis-template=128858 
--blessings=real,real-bisect --flight=134435 linux-3.18 
test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow xen-boot
Searching for failure / basis pass:
 133953 fail [host=debina1] / 132969 [host=debina0] 132456 [host=albana1] 
128858 [host=fiano0] 128841 [host=baroque1] 128807 [host=albana1] 128691 
[host=debina0] 128258 [host=albana1] 128232 [host=huxelrebe1] 128177 
[host=baroque0] 128096 [host=fiano0] 127486 [host=fiano0] 127472 
[host=huxelrebe1] 127455 [host=baroque0] 127296 [host=chardonnay1] 127001 
[host=albana0] 126926 [host=albana0] 126813 [host=albana0] 126711 
[host=albana0] 126583 [host=albana0] 126472 [host=albana0] 126362 [host=albana1\
 ] 126270 [host=albana1] 126189 [host=albana0] 126042 [host=italia0] 125899 
[host=joubertin1] 125658 ok.
Failure / basis pass flights: 133953 / 125658
(tree with no url: minios)
(tree with no url: ovmf)
(tree with no url: seabios)
Tree: linux 
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.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 e128f16fddb66db5a73c30d4f3558d037d119e58 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
1e780ef5a527661d1d6106ccacf65706e3ed664d
Basis pass dbba166b0e442d4d38ae0f244d32338c3e92d16f 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
43139135a8938de44f66333831d3a8655d07663a 
e3f667bc5f51d0aa44357a64ca134cd952679c81
Generating revisions with ./adhoc-revtuple-generator  
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git#dbba166b0e442d4d38ae0f244d32338c3e92d16f-e128f16fddb66db5a73c30d4f3558d037d119e58
 
git://xenbits.xen.org/osstest/linux-firmware.git#c530a75c1e6a472b0eb9558310b518f0dfcd8860-c530a75c1e6a472b0eb9558310b518f0dfcd8860
 
git://xenbits.xen.org/qemu-xen-traditional.git#c8ea0457495342c417c3dc033bba25148b279f60-d0d8ad39ecb51cd7497cd524484fe09f50876798
 git://xenbits.xen.org/qemu-xen.git\
 
#43139135a8938de44f66333831d3a8655d07663a-de5b678ca4dcdfa83e322491d478d66df56c1986
 
git://xenbits.xen.org/xen.git#e3f667bc5f51d0aa44357a64ca134cd952679c81-1e780ef5a527661d1d6106ccacf65706e3ed664d
adhoc-revtuple-generator: tree discontiguous: linux-stable
adhoc-revtuple-generator: tree discontiguous: qemu-xen
adhoc-revtuple-generator: tree discontiguous: xen
Loaded 1007 nodes in revision graph
Searching for test results:
 122110 [host=rimava0]
 122094 [host=huxelrebe0]
 122125 [host=fiano0]
 122166 [host=elbling0]
 122145 [host=huxelrebe1]
 122180 [host=pinot0]
 122273 [host=pinot0]
 122286 [host=italia0]
 122388 [host=baroque0]
 122478 [host=elbling0]
 122427 [host=chardonnay1]
 122515 [host=fiano1]
 122565 [host=huxelrebe0]
 122965 [host=italia1]
 122884 [host=huxelrebe0]
 123035 [host=fiano1]
 123190 [host=baroque0]
 123222 [host=elbling1]
 123274 [host=chardonnay1]
 123396 [host=huxelrebe0]
 123480 [host=albana1]
 123594 [host=italia1]
 123683 pass irrelevant
 123837 [host=debina0]
 123803 [host=huxelrebe1]
 124173 [host=albana0]
 124855 [host=huxelrebe0]
 124897 [host=chardonnay1]
 124945 [host=albana0]
 125043 [host=joubertin1]
 125138 [host=pinot0]
 125505 [host=chardonnay1]
 125525 [host=albana0]
 125561 [host=rimava1]
 125641 [host=huxelrebe1]
 125649 [host=albana1]
 125658 pass dbba166b0e442d4d38ae0f244d32338c3e92d16f 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
43139135a8938de44f66333831d3a8655d07663a 
e3f667bc5f51d0aa44357a64ca134cd952679c81
 125899 [host=joubertin1]
 126042 [host=italia0]
 126189 [host=albana0]
 126270 [host=albana1]
 126362 [host=albana1]
 126472 [host=albana0]
 126583 [host=albana0]
 126711 [host=albana0]
 126813 [host=albana0]
 126926 [host=albana0]
 127001 [host=albana0]
 127296 [host=chardonnay1]
 127486 [host=fiano0]
 127472 [host=huxelrebe1]
 127455 [host=baroque0]
 128096 [host=fiano0]
 128177 [host=baroque0]
 128232 [host=huxelrebe1]
 128258 [host=albana1]
 128691 [host=debina0]
 128807 [host=albana1]
 128858 [host=fiano0]
 128841 [host=baroque1]
 129760 [host=debina0]
 129845 [host=debina0]
 129971 [host=debina0]
 129975 [host=debina0]
 129977 [host=debina0]
 129985 [host=debina0]
 129990 [host=debina0]
 129993 [host=debina0]
 129999 [host=debina0]
 130001 [host=debina0]
 130005 [host=debina0]
 130010 [host=debina0]
 130013 [host=debina0]
 130067 [host=debina0]
 130203 [host=debina0]
 130367 [host=debina0]
 130843 [host=debina0]
 130876 [host=debina0]
 130939 [host=debina0]
 131095 [host=debina0]
 131035 [host=debina0]
 131149 [host=debina0]
 131192 [host=debina0]
 131279 [host=debina0]
 131231 [host=debina0]
 131307 [host=debina0]
 131336 [host=debina0]
 131420 [host=debina0]
 131370 [host=debina0]
 131442 [host=debina0]
 131479 [host=debina0]
 131512 [host=debina0]
 131535 [host=debina0]
 131563 [host=debina0]
 131580 [host=debina0]
 131593 [host=debina0]
 131641 [host=debina0]
 131619 [host=debina0]
 131666 [host=debina0]
 131673 [host=debina0]
 131705 [host=debina0]
 131749 [host=debina0]
 131729 [host=debina0]
 131769 [host=debina0]
 131990 [host=debina0]
 131969 [host=debina0]
 132066 [host=debina0]
 132179 [host=debina0]
 132290 [host=debina0]
 132373 [host=debina0]
 132401 [host=debina0]
 132376 [host=debina0]
 132331 [host=debina0]
 132334 [host=debina0]
 132379 [host=debina0]
 132410 [host=debina0]
 132338 [host=debina0]
 132417 [host=debina0]
 132381 [host=debina0]
 132341 [host=debina0]
 132383 [host=debina0]
 132408 fail irrelevant
 132405 [host=debina0]
 132385 [host=debina0]
 132390 [host=debina0]
 132412 [host=debina0]
 132407 [host=debina0]
 132409 [host=debina0]
 132415 [host=debina0]
 132423 [host=debina0]
 132456 [host=albana1]
 132579 [host=debina0]
 132652 [host=debina0]
 132741 [host=debina0]
 132798 fail irrelevant
 132969 [host=debina0]
 133275 fail irrelevant
 133288 fail irrelevant
 133464 fail irrelevant
 133499 fail irrelevant
 133565 fail irrelevant
 133539 fail irrelevant
 133630 fail irrelevant
 133577 fail irrelevant
 133671 fail irrelevant
 133693 fail irrelevant
 133774 fail irrelevant
 133736 []
 133819 fail irrelevant
 133856 fail irrelevant
 133891 fail irrelevant
 133918 fail e128f16fddb66db5a73c30d4f3558d037d119e58 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
1e780ef5a527661d1d6106ccacf65706e3ed664d
 133953 fail e128f16fddb66db5a73c30d4f3558d037d119e58 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
1e780ef5a527661d1d6106ccacf65706e3ed664d
 134421 pass dbba166b0e442d4d38ae0f244d32338c3e92d16f 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
e3f667bc5f51d0aa44357a64ca134cd952679c81
 134425 fail e128f16fddb66db5a73c30d4f3558d037d119e58 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
e3f667bc5f51d0aa44357a64ca134cd952679c81
 134428 pass dbba166b0e442d4d38ae0f244d32338c3e92d16f 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
e3f667bc5f51d0aa44357a64ca134cd952679c81
 134414 pass dbba166b0e442d4d38ae0f244d32338c3e92d16f 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c8ea0457495342c417c3dc033bba25148b279f60 
43139135a8938de44f66333831d3a8655d07663a 
e3f667bc5f51d0aa44357a64ca134cd952679c81
 134417 fail e128f16fddb66db5a73c30d4f3558d037d119e58 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
1e780ef5a527661d1d6106ccacf65706e3ed664d
 134430 fail e128f16fddb66db5a73c30d4f3558d037d119e58 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
e3f667bc5f51d0aa44357a64ca134cd952679c81
 134419 pass dbba166b0e442d4d38ae0f244d32338c3e92d16f 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
9c0eed618f37dd5b4a57c8b3fbc48ef8913e3149 
de5b678ca4dcdfa83e322491d478d66df56c1986 
e3f667bc5f51d0aa44357a64ca134cd952679c81
 134433 pass dbba166b0e442d4d38ae0f244d32338c3e92d16f 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
e3f667bc5f51d0aa44357a64ca134cd952679c81
Searching for interesting versions
 Result found: flight 125658 (pass), for basis pass
 Result found: flight 133918 (fail), for basis failure
 Repro found: flight 134414 (pass), for basis pass
 Repro found: flight 134417 (fail), for basis failure
 0 revisions at dbba166b0e442d4d38ae0f244d32338c3e92d16f 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
e3f667bc5f51d0aa44357a64ca134cd952679c81
No revisions left to test, checking graph state.
 Result found: flight 134421 (pass), for last pass
 Result found: flight 134425 (fail), for first failure
 Repro found: flight 134428 (pass), for last pass
 Repro found: flight 134430 (fail), for first failure
 Repro found: flight 134433 (pass), for last pass
Need to reproduce first failure (fail); had 2 already.
Should test e128f16fddb66db5a73c30d4f3558d037d119e58 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
e3f667bc5f51d0aa44357a64ca134cd952679c81.
Revision graph left in 
/home/logs/results/bisect/linux-3.18/test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow.xen-boot.{dot,ps,png,html,svg}.
Populating 134435...
Need 134435.test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow (like 133953)
Creating 134435.test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow (copying from 
133953)
Need 134435.build-i386 (like 133953)
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=de5b678ca4dcdfa83e322491d478d66df56c1986
 revision_xen=e3f667bc5f51d0aa44357a64ca134cd952679c81
Searching for build-i386 (like 133953) 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')
            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...
Populating 134435...
Need 134435.test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow (like 133953)
Creating 134435.test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow (copying from 
133953)
Need 134435.build-i386 (like 133953)
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=de5b678ca4dcdfa83e322491d478d66df56c1986
 revision_xen=e3f667bc5f51d0aa44357a64ca134cd952679c81
Searching for build-i386 (like 133953) 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')
            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...
Populating 134435...
Need 134435.test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow (like 133953)
Creating 134435.test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow (copying from 
133953)
Need 134435.build-i386 (like 133953)
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=de5b678ca4dcdfa83e322491d478d66df56c1986
 revision_xen=e3f667bc5f51d0aa44357a64ca134cd952679c81
Searching for build-i386 (like 133953) 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')
            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...
Populating 134435...
Need 134435.test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow (like 133953)
Creating 134435.test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow (copying from 
133953)
Need 134435.build-i386 (like 133953)
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=de5b678ca4dcdfa83e322491d478d66df56c1986
 revision_xen=e3f667bc5f51d0aa44357a64ca134cd952679c81
Searching for build-i386 (like 133953) 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')
            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...
Populating 134435...
Need 134435.test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow (like 133953)
Creating 134435.test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow (copying from 
133953)
Need 134435.build-i386 (like 133953)
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=de5b678ca4dcdfa83e322491d478d66df56c1986
 revision_xen=e3f667bc5f51d0aa44357a64ca134cd952679c81
Searching for build-i386 (like 133953) to reuse...
Can reuse build 134421.build-i386.
DB confict (err=7 state=40001): DBD::Pg::st execute 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 "        UPDATE 
runvars SET val=?
            WHERE  flight=? AND job=? AND name=?
" with ParamValues: 1='134421.build-i386', 2='134435', 
3='test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow', 4='buildjob']
DB conflict (messages above may refer); retrying...
Populating 134435...
Need 134435.test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow (like 133953)
Creating 134435.test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow (copying from 
133953)
Need 134435.build-i386 (like 133953)
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=de5b678ca4dcdfa83e322491d478d66df56c1986
 revision_xen=e3f667bc5f51d0aa44357a64ca134cd952679c81
Can reuse build 134421.build-i386.
Need 134435.build-i386-pvops (like 133953)
 revision_linux=e128f16fddb66db5a73c30d4f3558d037d119e58
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Searching for build-i386-pvops (like 133953) to reuse...
Can reuse build-kern 133953.build-i386-pvops.
DB confict (err=7 state=40001): DBD::Pg::st execute 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 "        UPDATE 
runvars SET val=?
            WHERE  flight=? AND job=? AND name=?
" with ParamValues: 1='133953.build-i386-pvops', 2='134435', 
3='test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow', 4='kernbuildjob']
DB conflict (messages above may refer); retrying...
Populating 134435...
Need 134435.test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow (like 133953)
Creating 134435.test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow (copying from 
133953)
Need 134435.build-i386 (like 133953)
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=de5b678ca4dcdfa83e322491d478d66df56c1986
 revision_xen=e3f667bc5f51d0aa44357a64ca134cd952679c81
Can reuse build 134421.build-i386.
Need 134435.build-i386-pvops (like 133953)
 revision_linux=e128f16fddb66db5a73c30d4f3558d037d119e58
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Can reuse build-kern 133953.build-i386-pvops.
Need 134435.build-amd64 (like 133953)
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=de5b678ca4dcdfa83e322491d478d66df56c1986
 revision_xen=e3f667bc5f51d0aa44357a64ca134cd952679c81
Searching for build-amd64 (like 133953) 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')
            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...
Populating 134435...
Need 134435.test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow (like 133953)
Creating 134435.test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow (copying from 
133953)
Need 134435.build-i386 (like 133953)
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=de5b678ca4dcdfa83e322491d478d66df56c1986
 revision_xen=e3f667bc5f51d0aa44357a64ca134cd952679c81
Can reuse build 134421.build-i386.
Need 134435.build-i386-pvops (like 133953)
 revision_linux=e128f16fddb66db5a73c30d4f3558d037d119e58
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Can reuse build-kern 133953.build-i386-pvops.
Need 134435.build-amd64 (like 133953)
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=de5b678ca4dcdfa83e322491d478d66df56c1986
 revision_xen=e3f667bc5f51d0aa44357a64ca134cd952679c81
Searching for build-amd64 (like 133953) to reuse...
Can reuse build 134421.build-amd64.
DB confict (err=7 state=40001): DBD::Pg::st execute 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 "        UPDATE 
runvars SET val=?
            WHERE  flight=? AND job=? AND name=?
" with ParamValues: 1='134421.build-amd64', 2='134435', 
3='test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow', 4='xenbuildjob']
DB conflict (messages above may refer); retrying...
Populating 134435...
Need 134435.test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow (like 133953)
Creating 134435.test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow (copying from 
133953)
Need 134435.build-i386 (like 133953)
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=de5b678ca4dcdfa83e322491d478d66df56c1986
 revision_xen=e3f667bc5f51d0aa44357a64ca134cd952679c81
Can reuse build 134421.build-i386.
Need 134435.build-i386-pvops (like 133953)
 revision_linux=e128f16fddb66db5a73c30d4f3558d037d119e58
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Can reuse build-kern 133953.build-i386-pvops.
Need 134435.build-amd64 (like 133953)
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=de5b678ca4dcdfa83e322491d478d66df56c1986
 revision_xen=e3f667bc5f51d0aa44357a64ca134cd952679c81
Can reuse build 134421.build-amd64.
Checking for flail (since 125658)...
Flight 134435 ready to go.

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