[linux-linus bisection] 143433: testing test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict

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

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

Tree: linux git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.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-linus/test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict.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-linus/test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict.xen-boot
 --summary-out=tmp/143433.bisection-summary --basis-template=133580 
--blessings=real,real-bisect --flight=143433 linux-linus 
test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict xen-boot
Searching for failure / basis pass:
 143277 fail [host=chardonnay1] / 138849 [host=baroque0] 138813 [host=albana0] 
138780 [host=baroque1] 138754 [host=elbling1] 138735 [host=albana1] 138710 
[host=debina1] 138680 [host=fiano0] 138661 [host=debina0] 138639 [host=italia1] 
138612 [host=pinot1] 138584 [host=italia0] 138488 ok.
Failure / basis pass flights: 143277 / 138488
(tree with no url: minios)
Tree: linux git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.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 d6d5df1db6e9d7f8f76d2911707f7d5877251b02 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
6996ec88a244a2428beb81d126ee55d152f62a07 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
933ebad2470a169504799a1d95b8e410bd9847ef 
120996f147131eca8af90e30c900bc14bc824d9f 
518c935fac4d30b3ec35d4b6add82b17b7d7aca3
Basis pass 249155c20f9b0754bc1b932a33344cfb4e0c2101 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
719a684d7df1b5b5627f42447be4f12aab038343 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
9cca02d8ffc23e9688a971d858e4ffdff5389b11 
6e56ed129c9782ba050a5fbfbf4ac12335b230f7 
f3d8eef9091747e70c505094f63514b43329a922
Generating revisions with ./adhoc-revtuple-generator  
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git#249155c20f9b0754bc1b932a33344cfb4e0c2101-d6d5df1db6e9d7f8f76d2911707f7d5877251b02
 
git://xenbits.xen.org/osstest/linux-firmware.git#c530a75c1e6a472b0eb9558310b518f0dfcd8860-c530a75c1e6a472b0eb9558310b518f0dfcd8860
 
git://xenbits.xen.org/osstest/ovmf.git#719a684d7df1b5b5627f42447be4f12aab038343-6996ec88a244a2428beb81d126ee55d152f62a07
 git://xenbits.xen.org/qemu-xen-traditional.\
 
git#d0d8ad39ecb51cd7497cd524484fe09f50876798-d0d8ad39ecb51cd7497cd524484fe09f50876798
 
git://xenbits.xen.org/qemu-xen.git#9cca02d8ffc23e9688a971d858e4ffdff5389b11-933ebad2470a169504799a1d95b8e410bd9847ef
 
git://xenbits.xen.org/osstest/seabios.git#6e56ed129c9782ba050a5fbfbf4ac12335b230f7-120996f147131eca8af90e30c900bc14bc824d9f
 
git://xenbits.xen.org/xen.git#f3d8eef9091747e70c505094f63514b43329a922-518c935fac4d30b3ec35d4b6add82b17b7d7aca3
adhoc-revtuple-generator: tree discontiguous: linux-2.6
Loaded 11255 nodes in revision graph
Searching for test results:
 138245 [host=baroque1]
 138386 [host=albana0]
 138488 pass 249155c20f9b0754bc1b932a33344cfb4e0c2101 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
719a684d7df1b5b5627f42447be4f12aab038343 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
9cca02d8ffc23e9688a971d858e4ffdff5389b11 
6e56ed129c9782ba050a5fbfbf4ac12335b230f7 
f3d8eef9091747e70c505094f63514b43329a922
 138584 [host=italia0]
 138612 [host=pinot1]
 138639 [host=italia1]
 138661 [host=debina0]
 138680 [host=fiano0]
 138710 [host=debina1]
 138735 [host=albana1]
 138754 [host=elbling1]
 138780 [host=baroque1]
 138813 [host=albana0]
 138849 [host=baroque0]
 138878 fail irrelevant
 138902 fail irrelevant
 138962 fail irrelevant
 139003 fail irrelevant
 139068 fail irrelevant
 139134 fail irrelevant
 139237 fail irrelevant
 139223 fail irrelevant
 139257 fail irrelevant
 139324 fail irrelevant
 139306 fail irrelevant
 139286 fail irrelevant
 139338 fail irrelevant
 139361 fail irrelevant
 139383 fail irrelevant
 139408 fail irrelevant
 139478 fail irrelevant
 139532 fail irrelevant
 139584 fail irrelevant
 139555 fail irrelevant
 139687 fail irrelevant
 139616 fail irrelevant
 139669 fail irrelevant
 139711 fail irrelevant
 139735 fail irrelevant
 139792 fail irrelevant
 139832 fail irrelevant
 139942 fail irrelevant
 139866 fail irrelevant
 139907 fail irrelevant
 139996 fail irrelevant
 140038 fail irrelevant
 140128 fail irrelevant
 140163 fail irrelevant
 140251 fail irrelevant
 140188 fail irrelevant
 140216 fail irrelevant
 140382 fail irrelevant
 140428 fail irrelevant
 140477 fail irrelevant
 140525 fail irrelevant
 140601 fail irrelevant
 140571 fail irrelevant
 140624 fail irrelevant
 140665 pass irrelevant
 140666 pass irrelevant
 140641 pass 249155c20f9b0754bc1b932a33344cfb4e0c2101 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
719a684d7df1b5b5627f42447be4f12aab038343 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
9cca02d8ffc23e9688a971d858e4ffdff5389b11 
6e56ed129c9782ba050a5fbfbf4ac12335b230f7 
f3d8eef9091747e70c505094f63514b43329a922
 140643 fail irrelevant
 140646 pass 249155c20f9b0754bc1b932a33344cfb4e0c2101 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
83e7d5c75e7304aa5172c88eb24fa563445ce043 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
9cca02d8ffc23e9688a971d858e4ffdff5389b11 
30f1e41f04fb4c715d27f987f003cfc31c9ff4f3 
4782b7aeeae0ffb42d74e0f7f419ea955f35cab1
 140667 fail irrelevant
 140647 fail irrelevant
 140651 pass irrelevant
 140672 pass irrelevant
 140652 pass irrelevant
 140648 []
 140655 pass irrelevant
 140656 pass irrelevant
 140658 pass irrelevant
 140661 pass irrelevant
 140662 pass irrelevant
 140673 fail irrelevant
 140676 fail irrelevant
 140729 fail irrelevant
 140779 pass 249155c20f9b0754bc1b932a33344cfb4e0c2101 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
719a684d7df1b5b5627f42447be4f12aab038343 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
9cca02d8ffc23e9688a971d858e4ffdff5389b11 
6e56ed129c9782ba050a5fbfbf4ac12335b230f7 
f3d8eef9091747e70c505094f63514b43329a922
 140817 fail irrelevant
 140814 pass irrelevant
 140803 fail irrelevant
 140806 pass irrelevant
 140808 fail irrelevant
 140778 fail irrelevant
 140810 pass irrelevant
 140811 fail irrelevant
 140816 fail irrelevant
 140855 fail irrelevant
 140930 fail irrelevant
 140902 fail irrelevant
 140950 fail irrelevant
 140973 fail irrelevant
 140999 fail irrelevant
 141036 fail irrelevant
 141196 fail irrelevant
 141222 []
 141292 []
 141240 fail irrelevant
 141386 fail irrelevant
 141354 fail irrelevant
 141446 fail irrelevant
 141484 fail irrelevant
 141547 fail irrelevant
 141613 fail irrelevant
 141805 fail irrelevant
 141737 fail irrelevant
 141870 fail irrelevant
 141911 fail irrelevant
 141979 fail irrelevant
 141944 fail irrelevant
 142006 fail irrelevant
 142051 fail irrelevant
 142110 fail irrelevant
 142223 fail irrelevant
 142258 fail irrelevant
 142298 fail irrelevant
 142333 fail irrelevant
 142372 fail irrelevant
 142398 fail irrelevant
 142431 fail irrelevant
 142485 fail irrelevant
 142539 fail irrelevant
 142588 fail irrelevant
 142677 fail irrelevant
 142709 fail irrelevant
 142757 fail irrelevant
 142796 fail irrelevant
 142847 fail irrelevant
 142933 fail irrelevant
 142879 fail irrelevant
 143006 fail irrelevant
 142984 fail irrelevant
 143087 fail irrelevant
 143060 fail irrelevant
 143169 fail irrelevant
 143202 fail irrelevant
 143242 fail d6d5df1db6e9d7f8f76d2911707f7d5877251b02 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
6996ec88a244a2428beb81d126ee55d152f62a07 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
933ebad2470a169504799a1d95b8e410bd9847ef 
120996f147131eca8af90e30c900bc14bc824d9f 
518c935fac4d30b3ec35d4b6add82b17b7d7aca3
 143277 fail d6d5df1db6e9d7f8f76d2911707f7d5877251b02 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
6996ec88a244a2428beb81d126ee55d152f62a07 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
933ebad2470a169504799a1d95b8e410bd9847ef 
120996f147131eca8af90e30c900bc14bc824d9f 
518c935fac4d30b3ec35d4b6add82b17b7d7aca3
 143412 pass 249155c20f9b0754bc1b932a33344cfb4e0c2101 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
719a684d7df1b5b5627f42447be4f12aab038343 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
9cca02d8ffc23e9688a971d858e4ffdff5389b11 
6e56ed129c9782ba050a5fbfbf4ac12335b230f7 
f3d8eef9091747e70c505094f63514b43329a922
 143428 pass 249155c20f9b0754bc1b932a33344cfb4e0c2101 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
e86664d2b03d0a84b8b952f3d5111424b3e9c916 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
933ebad2470a169504799a1d95b8e410bd9847ef 
43f5df79dad6738d52ea79d072de2b56eb96a91f 
220f89505e77d716c412c8a7f8b20b3684b00160
 143424 pass 249155c20f9b0754bc1b932a33344cfb4e0c2101 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
000ab98574793b685e7a0f6a6e5032523d5c37c4 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
cef9660618a880ced798375a0fd16a8ad80bd0f0 
43f5df79dad6738d52ea79d072de2b56eb96a91f 
215f2576b0ac1bc18f3ff74e34f0d8379bda9040
 143422 fail d6d5df1db6e9d7f8f76d2911707f7d5877251b02 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
6996ec88a244a2428beb81d126ee55d152f62a07 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
933ebad2470a169504799a1d95b8e410bd9847ef 
120996f147131eca8af90e30c900bc14bc824d9f 
518c935fac4d30b3ec35d4b6add82b17b7d7aca3
 143430 pass 249155c20f9b0754bc1b932a33344cfb4e0c2101 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d19040804afb2bdd60f18e8aef7da78028575fe6 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
933ebad2470a169504799a1d95b8e410bd9847ef 
43f5df79dad6738d52ea79d072de2b56eb96a91f 
7a7a45756ad96ebb4f833c15a00ca5b61a2c6d99
Searching for interesting versions
 Result found: flight 138488 (pass), for basis pass
 Result found: flight 143242 (fail), for basis failure
 Repro found: flight 143412 (pass), for basis pass
 Repro found: flight 143422 (fail), for basis failure
 123 revisions at 249155c20f9b0754bc1b932a33344cfb4e0c2101 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
6996ec88a244a2428beb81d126ee55d152f62a07 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
933ebad2470a169504799a1d95b8e410bd9847ef 
120996f147131eca8af90e30c900bc14bc824d9f 
518c935fac4d30b3ec35d4b6add82b17b7d7aca3
Looking 61 below 249155c20f9b0754bc1b932a33344cfb4e0c2101 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
6996ec88a244a2428beb81d126ee55d152f62a07 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
933ebad2470a169504799a1d95b8e410bd9847ef 
120996f147131eca8af90e30c900bc14bc824d9f 
518c935fac4d30b3ec35d4b6add82b17b7d7aca3.
Should test 249155c20f9b0754bc1b932a33344cfb4e0c2101 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
976d0353a6ce48149039849b52bb67527be5b580 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
933ebad2470a169504799a1d95b8e410bd9847ef 
43f5df79dad6738d52ea79d072de2b56eb96a91f 
575e18d54d19eda787f6477a4acd3c50f72751a9.
dot: graph is too large for cairo-renderer bitmaps. Scaling by 0.430805 to fit
pnmtopng: 49 colors found
Revision graph left in 
/home/logs/results/bisect/linux-linus/test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict.xen-boot.{dot,ps,png,html,svg}.
Populating 143433...
Need 143433.test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict (like 143277)
Creating 143433.test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict (copying 
from 143277)
Need 143433.build-i386 (like 143277)
 revision_ovmf=976d0353a6ce48149039849b52bb67527be5b580
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=43f5df79dad6738d52ea79d072de2b56eb96a91f
 revision_xen=575e18d54d19eda787f6477a4acd3c50f72751a9
Searching for build-i386 (like 143277) 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 143433...
Need 143433.test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict (like 143277)
Creating 143433.test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict (copying 
from 143277)
Need 143433.build-i386 (like 143277)
 revision_ovmf=976d0353a6ce48149039849b52bb67527be5b580
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=43f5df79dad6738d52ea79d072de2b56eb96a91f
 revision_xen=575e18d54d19eda787f6477a4acd3c50f72751a9
Searching for build-i386 (like 143277) to reuse...
Can reuse build 143279.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='143279.build-i386', 2='143433', 
3='test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict', 4='buildjob']
DB conflict (messages above may refer); retrying...
Populating 143433...
Need 143433.test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict (like 143277)
Creating 143433.test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict (copying 
from 143277)
Need 143433.build-i386 (like 143277)
 revision_ovmf=976d0353a6ce48149039849b52bb67527be5b580
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=43f5df79dad6738d52ea79d072de2b56eb96a91f
 revision_xen=575e18d54d19eda787f6477a4acd3c50f72751a9
Can reuse build 143279.build-i386.
Need 143433.build-i386-pvops (like 143277)
 revision_linux=249155c20f9b0754bc1b932a33344cfb4e0c2101
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Searching for build-i386-pvops (like 143277) 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 143433...
Need 143433.test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict (like 143277)
Creating 143433.test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict (copying 
from 143277)
Need 143433.build-i386 (like 143277)
 revision_ovmf=976d0353a6ce48149039849b52bb67527be5b580
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=43f5df79dad6738d52ea79d072de2b56eb96a91f
 revision_xen=575e18d54d19eda787f6477a4acd3c50f72751a9
Can reuse build 143279.build-i386.
Need 143433.build-i386-pvops (like 143277)
 revision_linux=249155c20f9b0754bc1b932a33344cfb4e0c2101
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Searching for build-i386-pvops (like 143277) to reuse...
Can reuse build-kern 142892.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='142892.build-i386-pvops', 2='143433', 
3='test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict', 4='kernbuildjob']
DB conflict (messages above may refer); retrying...
Populating 143433...
Need 143433.test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict (like 143277)
Creating 143433.test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict (copying 
from 143277)
Need 143433.build-i386 (like 143277)
 revision_ovmf=976d0353a6ce48149039849b52bb67527be5b580
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=43f5df79dad6738d52ea79d072de2b56eb96a91f
 revision_xen=575e18d54d19eda787f6477a4acd3c50f72751a9
Can reuse build 143279.build-i386.
Need 143433.build-i386-pvops (like 143277)
 revision_linux=249155c20f9b0754bc1b932a33344cfb4e0c2101
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Can reuse build-kern 142892.build-i386-pvops.
Need 143433.build-amd64 (like 143277)
 revision_ovmf=976d0353a6ce48149039849b52bb67527be5b580
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=43f5df79dad6738d52ea79d072de2b56eb96a91f
 revision_xen=575e18d54d19eda787f6477a4acd3c50f72751a9
Searching for build-amd64 (like 143277) 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 143433...
Need 143433.test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict (like 143277)
Creating 143433.test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict (copying 
from 143277)
Need 143433.build-i386 (like 143277)
 revision_ovmf=976d0353a6ce48149039849b52bb67527be5b580
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=43f5df79dad6738d52ea79d072de2b56eb96a91f
 revision_xen=575e18d54d19eda787f6477a4acd3c50f72751a9
Can reuse build 143279.build-i386.
Need 143433.build-i386-pvops (like 143277)
 revision_linux=249155c20f9b0754bc1b932a33344cfb4e0c2101
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Can reuse build-kern 142892.build-i386-pvops.
Need 143433.build-amd64 (like 143277)
 revision_ovmf=976d0353a6ce48149039849b52bb67527be5b580
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=43f5df79dad6738d52ea79d072de2b56eb96a91f
 revision_xen=575e18d54d19eda787f6477a4acd3c50f72751a9
Searching for build-amd64 (like 143277) 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 143433...
Need 143433.test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict (like 143277)
Creating 143433.test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict (copying 
from 143277)
Need 143433.build-i386 (like 143277)
 revision_ovmf=976d0353a6ce48149039849b52bb67527be5b580
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=43f5df79dad6738d52ea79d072de2b56eb96a91f
 revision_xen=575e18d54d19eda787f6477a4acd3c50f72751a9
Can reuse build 143279.build-i386.
Need 143433.build-i386-pvops (like 143277)
 revision_linux=249155c20f9b0754bc1b932a33344cfb4e0c2101
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Can reuse build-kern 142892.build-i386-pvops.
Need 143433.build-amd64 (like 143277)
 revision_ovmf=976d0353a6ce48149039849b52bb67527be5b580
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=43f5df79dad6738d52ea79d072de2b56eb96a91f
 revision_xen=575e18d54d19eda787f6477a4acd3c50f72751a9
Searching for build-amd64 (like 143277) to reuse...
Can reuse build 143279.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='143279.build-amd64', 2='143433', 
3='test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict', 4='xenbuildjob']
DB conflict (messages above may refer); retrying...
Populating 143433...
Need 143433.test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict (like 143277)
Creating 143433.test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict (copying 
from 143277)
Need 143433.build-i386 (like 143277)
 revision_ovmf=976d0353a6ce48149039849b52bb67527be5b580
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=43f5df79dad6738d52ea79d072de2b56eb96a91f
 revision_xen=575e18d54d19eda787f6477a4acd3c50f72751a9
Can reuse build 143279.build-i386.
Need 143433.build-i386-pvops (like 143277)
 revision_linux=249155c20f9b0754bc1b932a33344cfb4e0c2101
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Can reuse build-kern 142892.build-i386-pvops.
Need 143433.build-amd64 (like 143277)
 revision_ovmf=976d0353a6ce48149039849b52bb67527be5b580
 revision_qemu=d0d8ad39ecb51cd7497cd524484fe09f50876798
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=43f5df79dad6738d52ea79d072de2b56eb96a91f
 revision_xen=575e18d54d19eda787f6477a4acd3c50f72751a9
Can reuse build 143279.build-amd64.
Checking for flail (since 138488)...
Flight 143433 ready to go.

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