[libvirt bisection] 143364: testing test-amd64-i386-libvirt-pair

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

branch xen-unstable
xenbranch xen-unstable
job test-amd64-i386-libvirt-pair
testid guest-start/debian

Tree: libvirt git://libvirt.org/libvirt.git
Tree: libvirt_gnulib https://git.savannah.gnu.org/git/gnulib.git/
Tree: libvirt_keycodemapdb https://gitlab.com/keycodemap/keycodemapdb.git
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/libvirt/test-amd64-i386-libvirt-pair.guest-start--debian.html
Revision IDs in each graph node refer, respectively, to the Trees above.

----------------------------------------
Running cs-bisection-step 
--graph-out=/home/logs/results/bisect/libvirt/test-amd64-i386-libvirt-pair.guest-start--debian
 --summary-out=tmp/143364.bisection-summary --basis-template=143023 
--blessings=real,real-bisect --flight=143364 libvirt 
test-amd64-i386-libvirt-pair guest-start/debian
Searching for failure / basis pass:
 143263 fail [dst_host=pinot1,src_host=pinot0] / 143051 
[dst_host=chardonnay1,src_host=chardonnay0] 143023 
[dst_host=debina1,src_host=debina0] 142949 [dst_host=fiano1,src_host=fiano0] 
142904 [dst_host=huxelrebe0,src_host=huxelrebe1] 142862 
[dst_host=chardonnay0,src_host=chardonnay1] 142840 
[dst_host=italia1,src_host=italia0] 142798 [dst_host=albana0,src_host=albana1] 
142761 [dst_host=baroque1,src_host=baroque0] 142644 
[dst_host=albana1,src_host=albana0] 142584 [dst_host=pinot0,src_host=pinot1] 1\
 42535 [dst_host=fiano0,src_host=fiano1] 142476 ok.
Failure / basis pass flights: 143263 / 142476
(tree with no url: minios)
Tree: libvirt git://libvirt.org/libvirt.git
Tree: libvirt_gnulib https://git.savannah.gnu.org/git/gnulib.git/
Tree: libvirt_keycodemapdb https://gitlab.com/keycodemap/keycodemapdb.git
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 bf0e7bdeeb790bc6ba5732623be0d9ff26a5961a 
1f6fb368c04919243e2c70f2aa514a5f88e95309 
6280c94f306df6a20bbc100ba15a5a81af0366e6 
b98aebd298246df37b472c52a2ee1023256d02e3 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
6996ec88a244a2428beb81d126ee55d152f62a07 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
933ebad2470a169504799a1d95b8e410bd9847ef 
120996f147131eca8af90e30c900bc14bc824d9f 
518c935fac4d30b3ec35d4b6add82b17b7d7aca3
Basis pass 412cc0f4038875aa1b0a3c176c309a7e777e9c3f 
1f6fb368c04919243e2c70f2aa514a5f88e95309 
6280c94f306df6a20bbc100ba15a5a81af0366e6 
42327896f194f256e5a361e0069985bc8d209b42 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
410c4d00d9f7e369d1ce183e9e8de98cb59c4d20 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
933ebad2470a169504799a1d95b8e410bd9847ef 
43f5df79dad6738d52ea79d072de2b56eb96a91f 
f93abf0315efef861270c25d83c8047fd6a54ec4
Generating revisions with ./adhoc-revtuple-generator  
git://libvirt.org/libvirt.git#412cc0f4038875aa1b0a3c176c309a7e777e9c3f-bf0e7bdeeb790bc6ba5732623be0d9ff26a5961a
 
https://git.savannah.gnu.org/git/gnulib.git/#1f6fb368c04919243e2c70f2aa514a5f88e95309-1f6fb368c04919243e2c70f2aa514a5f88e95309
 
https://gitlab.com/keycodemap/keycodemapdb.git#6280c94f306df6a20bbc100ba15a5a81af0366e6-6280c94f306df6a20bbc100ba15a5a81af0366e6
 git://xenbits.xen.org/linux-pvops.git#42327896f194f256e5a361e0069985bc8d209b42\
 -b98aebd298246df37b472c52a2ee1023256d02e3 
git://xenbits.xen.org/osstest/linux-firmware.git#c530a75c1e6a472b0eb9558310b518f0dfcd8860-c530a75c1e6a472b0eb9558310b518f0dfcd8860
 
git://xenbits.xen.org/osstest/ovmf.git#410c4d00d9f7e369d1ce183e9e8de98cb59c4d20-6996ec88a244a2428beb81d126ee55d152f62a07
 
git://xenbits.xen.org/qemu-xen-traditional.git#d0d8ad39ecb51cd7497cd524484fe09f50876798-d0d8ad39ecb51cd7497cd524484fe09f50876798
 git://xenbits.xen.org/qemu-xen.git#933ebad2470a169504799a1d95b8e410bd9847ef-9\
 33ebad2470a169504799a1d95b8e410bd9847ef 
git://xenbits.xen.org/osstest/seabios.git#43f5df79dad6738d52ea79d072de2b56eb96a91f-120996f147131eca8af90e30c900bc14bc824d9f
 
git://xenbits.xen.org/xen.git#f93abf0315efef861270c25d83c8047fd6a54ec4-518c935fac4d30b3ec35d4b6add82b17b7d7aca3
Auto packing the repository in background for optimum performance.
See "git help gc" for manual housekeeping.
error: The last gc run reported the following. Please correct the root cause
and remove gc.log.
Automatic cleanup will not be performed until the file is removed.

warning: There are too many unreachable loose objects; run 'git prune' to 
remove them.

Auto packing the repository in background for optimum performance.
See "git help gc" for manual housekeeping.
error: The last gc run reported the following. Please correct the root cause
and remove gc.log.
Automatic cleanup will not be performed until the file is removed.

warning: There are too many unreachable loose objects; run 'git prune' to 
remove them.

Loaded 5001 nodes in revision graph
Searching for test results:
 142476 pass 412cc0f4038875aa1b0a3c176c309a7e777e9c3f 
1f6fb368c04919243e2c70f2aa514a5f88e95309 
6280c94f306df6a20bbc100ba15a5a81af0366e6 
42327896f194f256e5a361e0069985bc8d209b42 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
410c4d00d9f7e369d1ce183e9e8de98cb59c4d20 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
933ebad2470a169504799a1d95b8e410bd9847ef 
43f5df79dad6738d52ea79d072de2b56eb96a91f 
f93abf0315efef861270c25d83c8047fd6a54ec4
 142535 [dst_host=fiano0,src_host=fiano1]
 142584 [dst_host=pinot0,src_host=pinot1]
 142644 [dst_host=albana1,src_host=albana0]
 142761 [dst_host=baroque1,src_host=baroque0]
 142840 [dst_host=italia1,src_host=italia0]
 142798 [dst_host=albana0,src_host=albana1]
 142862 [dst_host=chardonnay0,src_host=chardonnay1]
 142949 [dst_host=fiano1,src_host=fiano0]
 142904 [dst_host=huxelrebe0,src_host=huxelrebe1]
 143023 [dst_host=debina1,src_host=debina0]
 143051 [dst_host=chardonnay1,src_host=chardonnay0]
 143085 []
 143140 fail irrelevant
 143189 fail bf0e7bdeeb790bc6ba5732623be0d9ff26a5961a 
1f6fb368c04919243e2c70f2aa514a5f88e95309 
6280c94f306df6a20bbc100ba15a5a81af0366e6 
b98aebd298246df37b472c52a2ee1023256d02e3 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
6996ec88a244a2428beb81d126ee55d152f62a07 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
933ebad2470a169504799a1d95b8e410bd9847ef 
120996f147131eca8af90e30c900bc14bc824d9f 
518c935fac4d30b3ec35d4b6add82b17b7d7aca3
 143218 fail bf0e7bdeeb790bc6ba5732623be0d9ff26a5961a 
1f6fb368c04919243e2c70f2aa514a5f88e95309 
6280c94f306df6a20bbc100ba15a5a81af0366e6 
b98aebd298246df37b472c52a2ee1023256d02e3 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
6996ec88a244a2428beb81d126ee55d152f62a07 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
933ebad2470a169504799a1d95b8e410bd9847ef 
120996f147131eca8af90e30c900bc14bc824d9f 
518c935fac4d30b3ec35d4b6add82b17b7d7aca3
 143263 fail bf0e7bdeeb790bc6ba5732623be0d9ff26a5961a 
1f6fb368c04919243e2c70f2aa514a5f88e95309 
6280c94f306df6a20bbc100ba15a5a81af0366e6 
b98aebd298246df37b472c52a2ee1023256d02e3 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
6996ec88a244a2428beb81d126ee55d152f62a07 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
933ebad2470a169504799a1d95b8e410bd9847ef 
120996f147131eca8af90e30c900bc14bc824d9f 
518c935fac4d30b3ec35d4b6add82b17b7d7aca3
 143356 pass 412cc0f4038875aa1b0a3c176c309a7e777e9c3f 
1f6fb368c04919243e2c70f2aa514a5f88e95309 
6280c94f306df6a20bbc100ba15a5a81af0366e6 
42327896f194f256e5a361e0069985bc8d209b42 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
410c4d00d9f7e369d1ce183e9e8de98cb59c4d20 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
933ebad2470a169504799a1d95b8e410bd9847ef 
43f5df79dad6738d52ea79d072de2b56eb96a91f 
f93abf0315efef861270c25d83c8047fd6a54ec4
Searching for interesting versions
 Result found: flight 142476 (pass), for basis pass
 Result found: flight 143189 (fail), for basis failure
 Repro found: flight 143356 (pass), for basis pass
Need to reproduce basis failure (fail); had 1 already.
Should test bf0e7bdeeb790bc6ba5732623be0d9ff26a5961a 
1f6fb368c04919243e2c70f2aa514a5f88e95309 
6280c94f306df6a20bbc100ba15a5a81af0366e6 
b98aebd298246df37b472c52a2ee1023256d02e3 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
6996ec88a244a2428beb81d126ee55d152f62a07 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
933ebad2470a169504799a1d95b8e410bd9847ef 
120996f147131eca8af90e30c900bc14bc824d9f 
518c935fac4d30b3ec35d4b6add82b17b7d7aca3.
dot: graph is too large for cairo-renderer bitmaps. Scaling by 0.760432 to fit
pnmtopng: 31 colors found
Revision graph left in 
/home/logs/results/bisect/libvirt/test-amd64-i386-libvirt-pair.guest-start--debian.{dot,ps,png,html,svg}.
Populating 143364...
Need 143364.test-amd64-i386-libvirt-pair (like 143263)
Creating 143364.test-amd64-i386-libvirt-pair (copying from 143263)
Need 143364.build-i386 (like 143263)
 revision_ovmf=6996ec88a244a2428beb81d126ee55d152f62a07
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=120996f147131eca8af90e30c900bc14bc824d9f
 revision_xen=518c935fac4d30b3ec35d4b6add82b17b7d7aca3
Searching for build-i386 (like 143263) to reuse...
Can reuse build 143200.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='143200.build-i386', 2='143364', 
3='test-amd64-i386-libvirt-pair', 4='buildjob']
DB conflict (messages above may refer); retrying...
Populating 143364...
Need 143364.test-amd64-i386-libvirt-pair (like 143263)
Creating 143364.test-amd64-i386-libvirt-pair (copying from 143263)
Need 143364.build-i386 (like 143263)
 revision_ovmf=6996ec88a244a2428beb81d126ee55d152f62a07
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=120996f147131eca8af90e30c900bc14bc824d9f
 revision_xen=518c935fac4d30b3ec35d4b6add82b17b7d7aca3
Can reuse build 143200.build-i386.
Need 143364.build-i386-pvops (like 143263)
 revision_linux=b98aebd298246df37b472c52a2ee1023256d02e3
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Searching for build-i386-pvops (like 143263) to reuse...
Can reuse build-kern 143301.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='143301.build-i386-pvops', 2='143364', 
3='test-amd64-i386-libvirt-pair', 4='kernbuildjob']
DB conflict (messages above may refer); retrying...
Populating 143364...
Need 143364.test-amd64-i386-libvirt-pair (like 143263)
Creating 143364.test-amd64-i386-libvirt-pair (copying from 143263)
Need 143364.build-i386 (like 143263)
 revision_ovmf=6996ec88a244a2428beb81d126ee55d152f62a07
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=120996f147131eca8af90e30c900bc14bc824d9f
 revision_xen=518c935fac4d30b3ec35d4b6add82b17b7d7aca3
Can reuse build 143200.build-i386.
Need 143364.build-i386-pvops (like 143263)
 revision_linux=b98aebd298246df37b472c52a2ee1023256d02e3
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Can reuse build-kern 143301.build-i386-pvops.
Need 143364.build-i386-libvirt (like 143263)
 revision_libvirt=bf0e7bdeeb790bc6ba5732623be0d9ff26a5961a
 revision_libvirt_gnulib=1f6fb368c04919243e2c70f2aa514a5f88e95309
 revision_libvirt_keycodemapdb=6280c94f306df6a20bbc100ba15a5a81af0366e6
 revision_xen=518c935fac4d30b3ec35d4b6add82b17b7d7aca3
Creating 143364.build-i386-libvirt (copying from 143263)
Need 143364.build-i386 (like 143263)
 revision_ovmf=6996ec88a244a2428beb81d126ee55d152f62a07
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=120996f147131eca8af90e30c900bc14bc824d9f
 revision_xen=518c935fac4d30b3ec35d4b6add82b17b7d7aca3
Can reuse build 143200.build-i386.
Need 143364.build-amd64 (like 143263)
 revision_ovmf=6996ec88a244a2428beb81d126ee55d152f62a07
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=120996f147131eca8af90e30c900bc14bc824d9f
 revision_xen=518c935fac4d30b3ec35d4b6add82b17b7d7aca3
Searching for build-amd64 (like 143263) 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 143364...
Need 143364.test-amd64-i386-libvirt-pair (like 143263)
Creating 143364.test-amd64-i386-libvirt-pair (copying from 143263)
Need 143364.build-i386 (like 143263)
 revision_ovmf=6996ec88a244a2428beb81d126ee55d152f62a07
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=120996f147131eca8af90e30c900bc14bc824d9f
 revision_xen=518c935fac4d30b3ec35d4b6add82b17b7d7aca3
Can reuse build 143200.build-i386.
Need 143364.build-i386-pvops (like 143263)
 revision_linux=b98aebd298246df37b472c52a2ee1023256d02e3
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Can reuse build-kern 143301.build-i386-pvops.
Need 143364.build-i386-libvirt (like 143263)
 revision_libvirt=bf0e7bdeeb790bc6ba5732623be0d9ff26a5961a
 revision_libvirt_gnulib=1f6fb368c04919243e2c70f2aa514a5f88e95309
 revision_libvirt_keycodemapdb=6280c94f306df6a20bbc100ba15a5a81af0366e6
 revision_xen=518c935fac4d30b3ec35d4b6add82b17b7d7aca3
Creating 143364.build-i386-libvirt (copying from 143263)
Need 143364.build-i386 (like 143263)
 revision_ovmf=6996ec88a244a2428beb81d126ee55d152f62a07
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=120996f147131eca8af90e30c900bc14bc824d9f
 revision_xen=518c935fac4d30b3ec35d4b6add82b17b7d7aca3
Can reuse build 143200.build-i386.
Need 143364.build-amd64 (like 143263)
 revision_ovmf=6996ec88a244a2428beb81d126ee55d152f62a07
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=120996f147131eca8af90e30c900bc14bc824d9f
 revision_xen=518c935fac4d30b3ec35d4b6add82b17b7d7aca3
Searching for build-amd64 (like 143263) 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 143364...
Need 143364.test-amd64-i386-libvirt-pair (like 143263)
Creating 143364.test-amd64-i386-libvirt-pair (copying from 143263)
Need 143364.build-i386 (like 143263)
 revision_ovmf=6996ec88a244a2428beb81d126ee55d152f62a07
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=120996f147131eca8af90e30c900bc14bc824d9f
 revision_xen=518c935fac4d30b3ec35d4b6add82b17b7d7aca3
Can reuse build 143200.build-i386.
Need 143364.build-i386-pvops (like 143263)
 revision_linux=b98aebd298246df37b472c52a2ee1023256d02e3
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Can reuse build-kern 143301.build-i386-pvops.
Need 143364.build-i386-libvirt (like 143263)
 revision_libvirt=bf0e7bdeeb790bc6ba5732623be0d9ff26a5961a
 revision_libvirt_gnulib=1f6fb368c04919243e2c70f2aa514a5f88e95309
 revision_libvirt_keycodemapdb=6280c94f306df6a20bbc100ba15a5a81af0366e6
 revision_xen=518c935fac4d30b3ec35d4b6add82b17b7d7aca3
Creating 143364.build-i386-libvirt (copying from 143263)
Need 143364.build-i386 (like 143263)
 revision_ovmf=6996ec88a244a2428beb81d126ee55d152f62a07
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=120996f147131eca8af90e30c900bc14bc824d9f
 revision_xen=518c935fac4d30b3ec35d4b6add82b17b7d7aca3
Can reuse build 143200.build-i386.
Need 143364.build-amd64 (like 143263)
 revision_ovmf=6996ec88a244a2428beb81d126ee55d152f62a07
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=120996f147131eca8af90e30c900bc14bc824d9f
 revision_xen=518c935fac4d30b3ec35d4b6add82b17b7d7aca3
Searching for build-amd64 (like 143263) to reuse...
Can reuse build 143220.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='143220.build-amd64', 2='143364', 
3='test-amd64-i386-libvirt-pair', 4='xenbuildjob']
DB conflict (messages above may refer); retrying...
Populating 143364...
Need 143364.test-amd64-i386-libvirt-pair (like 143263)
Creating 143364.test-amd64-i386-libvirt-pair (copying from 143263)
Need 143364.build-i386 (like 143263)
 revision_ovmf=6996ec88a244a2428beb81d126ee55d152f62a07
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=120996f147131eca8af90e30c900bc14bc824d9f
 revision_xen=518c935fac4d30b3ec35d4b6add82b17b7d7aca3
Can reuse build 143200.build-i386.
Need 143364.build-i386-pvops (like 143263)
 revision_linux=b98aebd298246df37b472c52a2ee1023256d02e3
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Can reuse build-kern 143301.build-i386-pvops.
Need 143364.build-i386-libvirt (like 143263)
 revision_libvirt=bf0e7bdeeb790bc6ba5732623be0d9ff26a5961a
 revision_libvirt_gnulib=1f6fb368c04919243e2c70f2aa514a5f88e95309
 revision_libvirt_keycodemapdb=6280c94f306df6a20bbc100ba15a5a81af0366e6
 revision_xen=518c935fac4d30b3ec35d4b6add82b17b7d7aca3
Creating 143364.build-i386-libvirt (copying from 143263)
Need 143364.build-i386 (like 143263)
 revision_ovmf=6996ec88a244a2428beb81d126ee55d152f62a07
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=120996f147131eca8af90e30c900bc14bc824d9f
 revision_xen=518c935fac4d30b3ec35d4b6add82b17b7d7aca3
Can reuse build 143200.build-i386.
Need 143364.build-amd64 (like 143263)
 revision_ovmf=6996ec88a244a2428beb81d126ee55d152f62a07
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=120996f147131eca8af90e30c900bc14bc824d9f
 revision_xen=518c935fac4d30b3ec35d4b6add82b17b7d7aca3
Can reuse build 143220.build-amd64.
Checking for flail (since 142476)...
Flight 143364 ready to go.

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