[linux-4.4 bisection] 148035: testing test-amd64-amd64-xl-qemuu-ovmf-amd64

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

branch xen-unstable
xenbranch xen-unstable
job test-amd64-amd64-xl-qemuu-ovmf-amd64
testid debian-hvm-install

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: 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/linux-4.4/test-amd64-amd64-xl-qemuu-ovmf-amd64.debian-hvm-install.html
Revision IDs in each graph node refer, respectively, to the Trees above.

----------------------------------------
Running cs-bisection-step 
--graph-out=/home/logs/results/bisect/linux-4.4/test-amd64-amd64-xl-qemuu-ovmf-amd64.debian-hvm-install
 --summary-out=tmp/148035.bisection-summary --basis-template=139698 
--blessings=real,real-bisect --flight=148035 linux-4.4 
test-amd64-amd64-xl-qemuu-ovmf-amd64 debian-hvm-install
Searching for failure / basis pass:
 147836 fail [host=rimava1] / 147577 [host=albana0] 147500 [host=italia0] 
147435 [host=godello1] 147355 [host=albana1] 147279 [host=elbling1] 147186 
[host=huxelrebe0] 147111 [host=godello0] 147053 [host=fiano0] 146992 
[host=fiano1] 146915 [host=debina1] 143846 [host=chardonnay0] 143646 
[host=godello0] 143548 [host=albana0] 143425 [host=baroque0] 143351 
[host=baroque0] 143292 [host=debina0] 143254 [host=huxelrebe0] 143181 
[host=huxelrebe1] 143138 [host=godello1] 143097 [host=chardonnay0] 143063 [\
 host=italia0] 143042 [host=elbling1] 143009 [host=chardonnay1] 142951 
[host=pinot1] 142901 [host=fiano1] 142851 [host=albana0] 142800 [host=elbling0] 
142762 [host=italia1] 142736 [host=baroque0] 142711 [host=huxelrebe0] 142685 
[host=baroque1] 142648 [host=huxelrebe1] 142606 [host=godello0] 142571 
[host=debina1] 142521 [host=italia0] 142470 [host=debina0] 142401 
[host=elbling1] 142381 [host=pinot0] 142363 [host=chardonnay0] 142335 
[host=fiano0] 142302 [host=albana1] 142265 [host=albana0] 142222 [\
 host=fiano1] 142121 [host=chardonnay1] 142067 [host=huxelrebe0] 142019 
[host=baroque0] 141994 [host=pinot1] 141934 [host=huxelrebe1] 141896 
[host=italia1] 141849 [host=godello0] 141796 [host=italia0] 141729 ok.
Failure / basis pass flights: 147836 / 141729
(tree with no url: minios)
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: 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 1721173ef18200e8e8265568f13942d6e19c2c83 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
70911f1f4aee0366b6122f2b90d367ec0f066beb 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
933ebad2470a169504799a1d95b8e410bd9847ef 
76551856b28d227cb0386a1ab0e774329b941f7d 
e465fecbfdb865c75f762055c0396bc617005748
Basis pass 5f090d837b1f61ba12780a8b8196b69a00d7cd70 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
fcdedafd97c8f18c33a63d26b954e5dbaee81a2b 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
cef9660618a880ced798375a0fd16a8ad80bd0f0 
43f5df79dad6738d52ea79d072de2b56eb96a91f 
1014f47c7a808e025b8920ab80bfe73a2888b3e5
Generating revisions with ./adhoc-revtuple-generator  
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git#5f090d837b1f61ba12780a8b8196b69a00d7cd70-1721173ef18200e8e8265568f13942d6e19c2c83
 
git://xenbits.xen.org/osstest/linux-firmware.git#c530a75c1e6a472b0eb9558310b518f0dfcd8860-c530a75c1e6a472b0eb9558310b518f0dfcd8860
 
git://xenbits.xen.org/osstest/ovmf.git#fcdedafd97c8f18c33a63d26b954e5dbaee81a2b-70911f1f4aee0366b6122f2b90d367ec0f066beb
 git://xenbits.xen.org/qemu-xen-traditional\
 
.git#d0d8ad39ecb51cd7497cd524484fe09f50876798-d0d8ad39ecb51cd7497cd524484fe09f50876798
 
git://xenbits.xen.org/qemu-xen.git#cef9660618a880ced798375a0fd16a8ad80bd0f0-933ebad2470a169504799a1d95b8e410bd9847ef
 
git://xenbits.xen.org/osstest/seabios.git#43f5df79dad6738d52ea79d072de2b56eb96a91f-76551856b28d227cb0386a1ab0e774329b941f7d
 
git://xenbits.xen.org/xen.git#1014f47c7a808e025b8920ab80bfe73a2888b3e5-e465fecbfdb865c75f762055c0396bc617005748
Use of uninitialized value $parents in array dereference at 
./adhoc-revtuple-generator line 465.
Use of uninitialized value in concatenation (.) or string at 
./adhoc-revtuple-generator line 465.
Use of uninitialized value $parents in array dereference at 
./adhoc-revtuple-generator line 465.
Use of uninitialized value in concatenation (.) or string at 
./adhoc-revtuple-generator line 465.
Use of uninitialized value $parents in array dereference at 
./adhoc-revtuple-generator line 465.
Use of uninitialized value in concatenation (.) or string at 
./adhoc-revtuple-generator line 465.
Use of uninitialized value $parents in array dereference at 
./adhoc-revtuple-generator line 465.
Use of uninitialized value in concatenation (.) or string at 
./adhoc-revtuple-generator line 465.
Use of uninitialized value $parents in array dereference at 
./adhoc-revtuple-generator line 465.
Use of uninitialized value in concatenation (.) or string at 
./adhoc-revtuple-generator line 465.
Use of uninitialized value $parents in array dereference at 
./adhoc-revtuple-generator line 465.
Use of uninitialized value in concatenation (.) or string at 
./adhoc-revtuple-generator line 465.
Use of uninitialized value $parents in array dereference at 
./adhoc-revtuple-generator line 465.
Use of uninitialized value in concatenation (.) or string at 
./adhoc-revtuple-generator line 465.
Use of uninitialized value $parents in array dereference at 
./adhoc-revtuple-generator line 465.
Use of uninitialized value in concatenation (.) or string at 
./adhoc-revtuple-generator line 465.
Use of uninitialized value $parents in array dereference at 
./adhoc-revtuple-generator line 465.
Use of uninitialized value in concatenation (.) or string at 
./adhoc-revtuple-generator line 465.
Use of uninitialized value $parents in array dereference at 
./adhoc-revtuple-generator line 465.
Use of uninitialized value in concatenation (.) or string at 
./adhoc-revtuple-generator line 465.
Loaded 45089 nodes in revision graph
Searching for test results:
 141599 [host=pinot0]
 141657 [host=chardonnay0]
 141796 [host=italia0]
 141729 pass 5f090d837b1f61ba12780a8b8196b69a00d7cd70 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
fcdedafd97c8f18c33a63d26b954e5dbaee81a2b 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
cef9660618a880ced798375a0fd16a8ad80bd0f0 
43f5df79dad6738d52ea79d072de2b56eb96a91f 
1014f47c7a808e025b8920ab80bfe73a2888b3e5
 141849 [host=godello0]
 141896 [host=italia1]
 141934 [host=huxelrebe1]
 141994 [host=pinot1]
 141967 [host=pinot1]
 142067 [host=huxelrebe0]
 142019 [host=baroque0]
 142121 [host=chardonnay1]
 142222 [host=fiano1]
 142265 [host=albana0]
 142302 [host=albana1]
 142335 [host=fiano0]
 142363 [host=chardonnay0]
 142381 [host=pinot0]
 142401 [host=elbling1]
 142511 [host=debina0]
 142470 [host=debina0]
 142430 [host=debina0]
 142507 [host=debina0]
 142506 [host=debina0]
 142504 [host=debina0]
 142509 [host=debina0]
 142512 [host=debina0]
 142521 [host=italia0]
 142606 [host=godello0]
 142571 [host=debina1]
 142648 [host=huxelrebe1]
 142685 [host=baroque1]
 142711 [host=huxelrebe0]
 142736 [host=baroque0]
 142762 [host=italia1]
 142800 [host=elbling0]
 142901 [host=fiano1]
 142851 [host=albana0]
 142951 [host=pinot1]
 143042 [host=elbling1]
 143009 [host=chardonnay1]
 143063 [host=italia0]
 143138 [host=godello1]
 143097 [host=chardonnay0]
 143181 [host=huxelrebe1]
 143254 [host=huxelrebe0]
 143292 [host=debina0]
 143351 [host=baroque0]
 143425 [host=baroque0]
 143548 [host=albana0]
 143646 [host=godello0]
 143846 [host=chardonnay0]
 146915 [host=debina1]
 146860 []
 146992 [host=fiano1]
 147111 [host=godello0]
 147053 [host=fiano0]
 147186 [host=huxelrebe0]
 147279 [host=elbling1]
 147355 [host=albana1]
 147435 [host=godello1]
 147577 [host=albana0]
 147500 [host=italia0]
 147662 fail 76e5c6fd6d163f1aa63969cc982e79be1fee87a7 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
70911f1f4aee0366b6122f2b90d367ec0f066beb 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
933ebad2470a169504799a1d95b8e410bd9847ef 
76551856b28d227cb0386a1ab0e774329b941f7d 
c47984aabead53918e5ba6d43cdb3f1467452739
 147771 fail 1721173ef18200e8e8265568f13942d6e19c2c83 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
70911f1f4aee0366b6122f2b90d367ec0f066beb 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
933ebad2470a169504799a1d95b8e410bd9847ef 
76551856b28d227cb0386a1ab0e774329b941f7d 
e465fecbfdb865c75f762055c0396bc617005748
 147721 fail 76e5c6fd6d163f1aa63969cc982e79be1fee87a7 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
70911f1f4aee0366b6122f2b90d367ec0f066beb 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
933ebad2470a169504799a1d95b8e410bd9847ef 
76551856b28d227cb0386a1ab0e774329b941f7d 
e465fecbfdb865c75f762055c0396bc617005748
 147836 fail 1721173ef18200e8e8265568f13942d6e19c2c83 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
70911f1f4aee0366b6122f2b90d367ec0f066beb 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
933ebad2470a169504799a1d95b8e410bd9847ef 
76551856b28d227cb0386a1ab0e774329b941f7d 
e465fecbfdb865c75f762055c0396bc617005748
Searching for interesting versions
 Result found: flight 141729 (pass), for basis pass
 Result found: flight 147771 (fail), for basis failure
Need to reproduce basis pass (pass); had 1 already.
Should test 5f090d837b1f61ba12780a8b8196b69a00d7cd70 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
fcdedafd97c8f18c33a63d26b954e5dbaee81a2b 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
cef9660618a880ced798375a0fd16a8ad80bd0f0 
43f5df79dad6738d52ea79d072de2b56eb96a91f 
1014f47c7a808e025b8920ab80bfe73a2888b3e5.
dot: graph is too large for cairo-renderer bitmaps. Scaling by 0.179679 to fit
pnmtopng: 18 colors found
Revision graph left in 
/home/logs/results/bisect/linux-4.4/test-amd64-amd64-xl-qemuu-ovmf-amd64.debian-hvm-install.{dot,ps,png,html,svg}.
Populating 148035...
Need 148035.test-amd64-amd64-xl-qemuu-ovmf-amd64 (like 147836)
Creating 148035.test-amd64-amd64-xl-qemuu-ovmf-amd64 (copying from 147836)
Need 148035.build-amd64 (like 147836)
 revision_ovmf=fcdedafd97c8f18c33a63d26b954e5dbaee81a2b
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=cef9660618a880ced798375a0fd16a8ad80bd0f0
 revision_seabios=43f5df79dad6738d52ea79d072de2b56eb96a91f
 revision_xen=1014f47c7a808e025b8920ab80bfe73a2888b3e5
Searching for build-amd64 (like 147836) 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 148035...
Need 148035.test-amd64-amd64-xl-qemuu-ovmf-amd64 (like 147836)
Creating 148035.test-amd64-amd64-xl-qemuu-ovmf-amd64 (copying from 147836)
Need 148035.build-amd64 (like 147836)
 revision_ovmf=fcdedafd97c8f18c33a63d26b954e5dbaee81a2b
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=cef9660618a880ced798375a0fd16a8ad80bd0f0
 revision_seabios=43f5df79dad6738d52ea79d072de2b56eb96a91f
 revision_xen=1014f47c7a808e025b8920ab80bfe73a2888b3e5
Searching for build-amd64 (like 147836) 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 148035...
Need 148035.test-amd64-amd64-xl-qemuu-ovmf-amd64 (like 147836)
Creating 148035.test-amd64-amd64-xl-qemuu-ovmf-amd64 (copying from 147836)
Need 148035.build-amd64 (like 147836)
 revision_ovmf=fcdedafd97c8f18c33a63d26b954e5dbaee81a2b
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=cef9660618a880ced798375a0fd16a8ad80bd0f0
 revision_seabios=43f5df79dad6738d52ea79d072de2b56eb96a91f
 revision_xen=1014f47c7a808e025b8920ab80bfe73a2888b3e5
Searching for build-amd64 (like 147836) 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 148035...
Need 148035.test-amd64-amd64-xl-qemuu-ovmf-amd64 (like 147836)
Creating 148035.test-amd64-amd64-xl-qemuu-ovmf-amd64 (copying from 147836)
Need 148035.build-amd64 (like 147836)
 revision_ovmf=fcdedafd97c8f18c33a63d26b954e5dbaee81a2b
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=cef9660618a880ced798375a0fd16a8ad80bd0f0
 revision_seabios=43f5df79dad6738d52ea79d072de2b56eb96a91f
 revision_xen=1014f47c7a808e025b8920ab80bfe73a2888b3e5
Searching for build-amd64 (like 147836) 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 148035...
Need 148035.test-amd64-amd64-xl-qemuu-ovmf-amd64 (like 147836)
Creating 148035.test-amd64-amd64-xl-qemuu-ovmf-amd64 (copying from 147836)
Need 148035.build-amd64 (like 147836)
 revision_ovmf=fcdedafd97c8f18c33a63d26b954e5dbaee81a2b
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=cef9660618a880ced798375a0fd16a8ad80bd0f0
 revision_seabios=43f5df79dad6738d52ea79d072de2b56eb96a91f
 revision_xen=1014f47c7a808e025b8920ab80bfe73a2888b3e5
Searching for build-amd64 (like 147836) 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 148035...
Need 148035.test-amd64-amd64-xl-qemuu-ovmf-amd64 (like 147836)
Creating 148035.test-amd64-amd64-xl-qemuu-ovmf-amd64 (copying from 147836)
Need 148035.build-amd64 (like 147836)
 revision_ovmf=fcdedafd97c8f18c33a63d26b954e5dbaee81a2b
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=cef9660618a880ced798375a0fd16a8ad80bd0f0
 revision_seabios=43f5df79dad6738d52ea79d072de2b56eb96a91f
 revision_xen=1014f47c7a808e025b8920ab80bfe73a2888b3e5
Searching for build-amd64 (like 147836) 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 148035...
Need 148035.test-amd64-amd64-xl-qemuu-ovmf-amd64 (like 147836)
Creating 148035.test-amd64-amd64-xl-qemuu-ovmf-amd64 (copying from 147836)
Need 148035.build-amd64 (like 147836)
 revision_ovmf=fcdedafd97c8f18c33a63d26b954e5dbaee81a2b
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=cef9660618a880ced798375a0fd16a8ad80bd0f0
 revision_seabios=43f5df79dad6738d52ea79d072de2b56eb96a91f
 revision_xen=1014f47c7a808e025b8920ab80bfe73a2888b3e5
Searching for build-amd64 (like 147836) to reuse...
Creating 148035.build-amd64 (copying from 147836)
DB confict (err=7 state=40001): DBD::Pg::db do failed: ERROR:  could not 
serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during write.
HINT:  The transaction might succeed if retried. [for Statement "            
INSERT INTO jobs (flight, job, recipe, status)
                      VALUES (?, ?, ?, 'queued')
"]
DB conflict (messages above may refer); retrying...
Populating 148035...
Need 148035.test-amd64-amd64-xl-qemuu-ovmf-amd64 (like 147836)
Creating 148035.test-amd64-amd64-xl-qemuu-ovmf-amd64 (copying from 147836)
Need 148035.build-amd64 (like 147836)
 revision_ovmf=fcdedafd97c8f18c33a63d26b954e5dbaee81a2b
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=cef9660618a880ced798375a0fd16a8ad80bd0f0
 revision_seabios=43f5df79dad6738d52ea79d072de2b56eb96a91f
 revision_xen=1014f47c7a808e025b8920ab80bfe73a2888b3e5
Creating 148035.build-amd64 (copying from 147836)
Need 148035.build-amd64-pvops (like 147836)
 revision_linux=5f090d837b1f61ba12780a8b8196b69a00d7cd70
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Searching for build-amd64-pvops (like 147836) to reuse...
Creating 148035.build-amd64-pvops (copying from 147836)
DB confict (err=7 state=40001): DBD::Pg::db do failed: ERROR:  could not 
serialize access due to read/write dependencies among transactions
DETAIL:  Reason code: Canceled on identification as a pivot, during write.
HINT:  The transaction might succeed if retried. [for Statement "            
INSERT INTO jobs (flight, job, recipe, status)
                      VALUES (?, ?, ?, 'queued')
"]
DB conflict (messages above may refer); retrying...
Populating 148035...
Need 148035.test-amd64-amd64-xl-qemuu-ovmf-amd64 (like 147836)
Creating 148035.test-amd64-amd64-xl-qemuu-ovmf-amd64 (copying from 147836)
Need 148035.build-amd64 (like 147836)
 revision_ovmf=fcdedafd97c8f18c33a63d26b954e5dbaee81a2b
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=cef9660618a880ced798375a0fd16a8ad80bd0f0
 revision_seabios=43f5df79dad6738d52ea79d072de2b56eb96a91f
 revision_xen=1014f47c7a808e025b8920ab80bfe73a2888b3e5
Creating 148035.build-amd64 (copying from 147836)
Need 148035.build-amd64-pvops (like 147836)
 revision_linux=5f090d837b1f61ba12780a8b8196b69a00d7cd70
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Creating 148035.build-amd64-pvops (copying from 147836)
Already created build-amd64
Checking for flail (since 141729)...
Flight 148035 ready to go.

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