[qemu-mainline bisection] 151447: testing test-amd64-i386-libvirt-xsm

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

branch xen-unstable
xenbranch xen-unstable
job test-amd64-i386-libvirt-xsm
testid guest-start

Tree: libvirt git://xenbits.xen.org/libvirt.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://git.qemu.org/qemu.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/qemu-mainline/test-amd64-i386-libvirt-xsm.guest-start.html
Revision IDs in each graph node refer, respectively, to the Trees above.

----------------------------------------
Running cs-bisection-step 
--graph-out=/home/logs/results/bisect/qemu-mainline/test-amd64-i386-libvirt-xsm.guest-start
 --summary-out=tmp/151447.bisection-summary --basis-template=151065 
--blessings=real,real-bisect --flight=151447 qemu-mainline 
test-amd64-i386-libvirt-xsm guest-start
Searching for failure / basis pass:
 151435 fail [host=huxelrebe0] / 151149 [host=huxelrebe1] 151101 [host=albana0] 
151065 [host=albana1] 151047 [host=fiano0] 150970 [host=fiano1] 150930 
[host=elbling1] 150916 [host=chardonnay0] 150895 [host=elbling0] 150831 
[host=pinot0] 150694 [host=rimava1] 150631 [host=debina1] 150608 [host=pinot1] 
150593 [host=italia0] 150585 [host=chardonnay1] 150532 [host=debina0] 150492 
[host=fiano0] 150457 ok.
Failure / basis pass flights: 151435 / 150457
(tree with no url: minios)
(tree in basispass but not in latest: libvirt_gnulib)
Tree: libvirt git://xenbits.xen.org/libvirt.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://git.qemu.org/qemu.git
Tree: seabios git://xenbits.xen.org/osstest/seabios.git
Tree: xen git://xenbits.xen.org/xen.git
Latest f6f745297d884453ef4ed65643d267069f778517 
27acf0ef828bf719b2053ba398b195829413dbdd 
c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
654dc3ed852aafa126e9d539b7002db348dd6eb0 
3c659044118e34603161457db9934a34f816d78b 
e7651153a8801dad6805d450ea8bef9b46c1adf5 
88ab0c15525ced2eefe39220742efe4769089ad8 
d3688bf60f798074bf38d712a3e15c88cfb81ed4
Basis pass a1cd25b919509be2645dbe6f952d5263e0d4e4e5 
317d3eeb963a515e15a63fa356d8ebcda7041a51 
c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
568eee7cf319fa95183c8d3b5e8dcf6e078ab8b3 
3c659044118e34603161457db9934a34f816d78b 
a20ab81d22300cca80325c284f21eefee99aa740 
2e3de6253422112ae43e608661ba94ea6b345694 
9f3e9139fa6c3d620eb08dff927518fc88200b8d
Generating revisions with ./adhoc-revtuple-generator  
git://xenbits.xen.org/libvirt.git#a1cd25b919509be2645dbe6f952d5263e0d4e4e5-f6f745297d884453ef4ed65643d267069f778517
 
https://gitlab.com/keycodemap/keycodemapdb.git#317d3eeb963a515e15a63fa356d8ebcda7041a51-27acf0ef828bf719b2053ba398b195829413dbdd
 
git://xenbits.xen.org/linux-pvops.git#c3038e718a19fc596f7b1baba0f83d5146dc7784-c3038e718a19fc596f7b1baba0f83d5146dc7784
 
git://xenbits.xen.org/osstest/linux-firmware.git#c530a75c1e6a472b0eb9558310b518f0\
 dfcd8860-c530a75c1e6a472b0eb9558310b518f0dfcd8860 
git://xenbits.xen.org/osstest/ovmf.git#568eee7cf319fa95183c8d3b5e8dcf6e078ab8b3-654dc3ed852aafa126e9d539b7002db348dd6eb0
 
git://xenbits.xen.org/qemu-xen-traditional.git#3c659044118e34603161457db9934a34f816d78b-3c659044118e34603161457db9934a34f816d78b
 
git://git.qemu.org/qemu.git#a20ab81d22300cca80325c284f21eefee99aa740-e7651153a8801dad6805d450ea8bef9b46c1adf5
 
git://xenbits.xen.org/osstest/seabios.git#2e3de6253422112ae43e608661ba94ea6b345694-88ab0c1\
 5525ced2eefe39220742efe4769089ad8 
git://xenbits.xen.org/xen.git#9f3e9139fa6c3d620eb08dff927518fc88200b8d-d3688bf60f798074bf38d712a3e15c88cfb81ed4
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.

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 77972 nodes in revision graph
Searching for test results:
 150457 pass a1cd25b919509be2645dbe6f952d5263e0d4e4e5 
317d3eeb963a515e15a63fa356d8ebcda7041a51 
c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
568eee7cf319fa95183c8d3b5e8dcf6e078ab8b3 
3c659044118e34603161457db9934a34f816d78b 
a20ab81d22300cca80325c284f21eefee99aa740 
2e3de6253422112ae43e608661ba94ea6b345694 
9f3e9139fa6c3d620eb08dff927518fc88200b8d
 150492 [host=fiano0]
 150532 [host=debina0]
 150585 [host=chardonnay1]
 150593 [host=italia0]
 150631 [host=debina1]
 150608 [host=pinot1]
 150694 [host=rimava1]
 150831 [host=pinot0]
 150909 []
 150930 [host=elbling1]
 150916 [host=chardonnay0]
 150895 [host=elbling0]
 150899 []
 150970 [host=fiano1]
 151047 [host=fiano0]
 151101 [host=albana0]
 151065 [host=albana1]
 151149 [host=huxelrebe1]
 151221 fail irrelevant
 151175 fail irrelevant
 151241 fail irrelevant
 151286 fail irrelevant
 151269 fail irrelevant
 151328 fail irrelevant
 151304 fail irrelevant
 151377 fail irrelevant
 151353 fail c5815b31976f3982d18c7f6c1367ab6e403eb7eb 
27acf0ef828bf719b2053ba398b195829413dbdd 
c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
1a992030522622c42aa063788b3276789c56c1e1 
3c659044118e34603161457db9934a34f816d78b 
d4b78317b7cf8c0c635b70086503813f79ff21ec 
2e3de6253422112ae43e608661ba94ea6b345694 
fde76f895d0aa817a1207d844d793239c6639bc6
 151399 fail irrelevant
 151414 fail f6f745297d884453ef4ed65643d267069f778517 
27acf0ef828bf719b2053ba398b195829413dbdd 
c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
654dc3ed852aafa126e9d539b7002db348dd6eb0 
3c659044118e34603161457db9934a34f816d78b 
553cf5d7c47bee05a3dec9461c1f8430316d516b 
88ab0c15525ced2eefe39220742efe4769089ad8 
d3688bf60f798074bf38d712a3e15c88cfb81ed4
 151443 pass a1cd25b919509be2645dbe6f952d5263e0d4e4e5 
317d3eeb963a515e15a63fa356d8ebcda7041a51 
c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
568eee7cf319fa95183c8d3b5e8dcf6e078ab8b3 
3c659044118e34603161457db9934a34f816d78b 
a20ab81d22300cca80325c284f21eefee99aa740 
2e3de6253422112ae43e608661ba94ea6b345694 
9f3e9139fa6c3d620eb08dff927518fc88200b8d
 151432 pass a1cd25b919509be2645dbe6f952d5263e0d4e4e5 
317d3eeb963a515e15a63fa356d8ebcda7041a51 
c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
568eee7cf319fa95183c8d3b5e8dcf6e078ab8b3 
3c659044118e34603161457db9934a34f816d78b 
a20ab81d22300cca80325c284f21eefee99aa740 
2e3de6253422112ae43e608661ba94ea6b345694 
9f3e9139fa6c3d620eb08dff927518fc88200b8d
 151446 fail f6f745297d884453ef4ed65643d267069f778517 
27acf0ef828bf719b2053ba398b195829413dbdd 
c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
654dc3ed852aafa126e9d539b7002db348dd6eb0 
3c659044118e34603161457db9934a34f816d78b 
e7651153a8801dad6805d450ea8bef9b46c1adf5 
88ab0c15525ced2eefe39220742efe4769089ad8 
d3688bf60f798074bf38d712a3e15c88cfb81ed4
 151433 fail f6f745297d884453ef4ed65643d267069f778517 
27acf0ef828bf719b2053ba398b195829413dbdd 
c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
654dc3ed852aafa126e9d539b7002db348dd6eb0 
3c659044118e34603161457db9934a34f816d78b 
553cf5d7c47bee05a3dec9461c1f8430316d516b 
88ab0c15525ced2eefe39220742efe4769089ad8 
d3688bf60f798074bf38d712a3e15c88cfb81ed4
 151434 fail 36b1e8669d85f5dbde4e40a6625df9a78085c2a0 
27acf0ef828bf719b2053ba398b195829413dbdd 
c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
1a992030522622c42aa063788b3276789c56c1e1 
3c659044118e34603161457db9934a34f816d78b 
61fee7f45955cd0bf9b79be9fa9c7ebabb5e6a85 
2e3de6253422112ae43e608661ba94ea6b345694 
fde76f895d0aa817a1207d844d793239c6639bc6
 151436 fail f57a8cd3df0167d72b87fdd868a287608a741b73 
27acf0ef828bf719b2053ba398b195829413dbdd 
c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
322969adf1fb3d6cfbd613f35121315715aff2ed 
3c659044118e34603161457db9934a34f816d78b 
bae31bfa48b9caecee25da3d5333901a126a06b4 
2e3de6253422112ae43e608661ba94ea6b345694 
fde76f895d0aa817a1207d844d793239c6639bc6
 151438 fail ea3320048897f5279bc49cb49d26f8099706a834 
27acf0ef828bf719b2053ba398b195829413dbdd 
c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
239b50a863704f7960525799eda82de061c7c458 
3c659044118e34603161457db9934a34f816d78b 
eefe34ea4b82c2b47abe28af4cc7247d51553626 
2e3de6253422112ae43e608661ba94ea6b345694 
25636ed707cf1211ce846c7ec58f8643e435d7a7
 151439 fail 07e1a18accee37a2850f3825c85cb29b1599b1e0 
27acf0ef828bf719b2053ba398b195829413dbdd 
c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
239b50a863704f7960525799eda82de061c7c458 
3c659044118e34603161457db9934a34f816d78b 
3f429a3400822141651486193d6af625eeab05a5 
2e3de6253422112ae43e608661ba94ea6b345694 
71ca0e0ad000e690899936327eb09709ab182ade
 151440 fail 6f28865223292a816f1bfde589901a00156cf8a1 
27acf0ef828bf719b2053ba398b195829413dbdd 
c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
58ae92a993687d913aa6dd00ef3497a1bc5f6c40 
3c659044118e34603161457db9934a34f816d78b 
54cdfe511219b8051046be55a6e156c4f08ff7ff 
2e3de6253422112ae43e608661ba94ea6b345694 
71ca0e0ad000e690899936327eb09709ab182ade
 151435 fail f6f745297d884453ef4ed65643d267069f778517 
27acf0ef828bf719b2053ba398b195829413dbdd 
c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
654dc3ed852aafa126e9d539b7002db348dd6eb0 
3c659044118e34603161457db9934a34f816d78b 
e7651153a8801dad6805d450ea8bef9b46c1adf5 
88ab0c15525ced2eefe39220742efe4769089ad8 
d3688bf60f798074bf38d712a3e15c88cfb81ed4
 151442 fail 3a58613b0cf6a29960b909e6fd7420639ff794bd 
27acf0ef828bf719b2053ba398b195829413dbdd 
c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
a2433243fbe471c250d7eddc2c7da325d91265fd 
3c659044118e34603161457db9934a34f816d78b 
6675a653d2e57ab09c32c0ea7b44a1d6c40a7f58 
2e3de6253422112ae43e608661ba94ea6b345694 
3625b04991b4d6affadd99d377ab84bac48dfff4
Searching for interesting versions
 Result found: flight 150457 (pass), for basis pass
 Result found: flight 151435 (fail), for basis failure
 Repro found: flight 151443 (pass), for basis pass
 Repro found: flight 151446 (fail), for basis failure
 548509803 revisions at 8f58a4003532d5fffdadf2adc659c94eba3fa21a 
27acf0ef828bf719b2053ba398b195829413dbdd 
c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
a2433243fbe471c250d7eddc2c7da325d91265fd 
3c659044118e34603161457db9934a34f816d78b 
6675a653d2e57ab09c32c0ea7b44a1d6c40a7f58 
2e3de6253422112ae43e608661ba94ea6b345694 
3625b04991b4d6affadd99d377ab84bac48dfff4
Looking 274254901 below 8f58a4003532d5fffdadf2adc659c94eba3fa21a 
27acf0ef828bf719b2053ba398b195829413dbdd 
c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
a2433243fbe471c250d7eddc2c7da325d91265fd 
3c659044118e34603161457db9934a34f816d78b 
6675a653d2e57ab09c32c0ea7b44a1d6c40a7f58 
2e3de6253422112ae43e608661ba94ea6b345694 
3625b04991b4d6affadd99d377ab84bac48dfff4.
Should test cf9e7726b38bc93a2728638d435199297d2b3aaa 
27acf0ef828bf719b2053ba398b195829413dbdd 
c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
8927e2777786a43cddfaa328b0f4c41a09c629c9 
3c659044118e34603161457db9934a34f816d78b 
53550e81e2cafe7c03a39526b95cd21b5194d9b1 
2e3de6253422112ae43e608661ba94ea6b345694 
3625b04991b4d6affadd99d377ab84bac48dfff4.
dot: graph is too large for cairo-renderer bitmaps. Scaling by 0.235121 to fit
pnmtopng: 92 colors found
Revision graph left in 
/home/logs/results/bisect/qemu-mainline/test-amd64-i386-libvirt-xsm.guest-start.{dot,ps,png,html,svg}.
Populating 151447...
Need 151447.test-amd64-i386-libvirt-xsm (like 151435)
Creating 151447.test-amd64-i386-libvirt-xsm (copying from 151435)
Need 151447.build-i386-xsm (like 151435)
 revision_ovmf=8927e2777786a43cddfaa328b0f4c41a09c629c9
 revision_qemu=3c659044118e34603161457db9934a34f816d78b
 revision_qemuu=53550e81e2cafe7c03a39526b95cd21b5194d9b1
 revision_seabios=2e3de6253422112ae43e608661ba94ea6b345694
 revision_xen=3625b04991b4d6affadd99d377ab84bac48dfff4
Searching for build-i386-xsm (like 151435) 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 151447...
Need 151447.test-amd64-i386-libvirt-xsm (like 151435)
Creating 151447.test-amd64-i386-libvirt-xsm (copying from 151435)
Need 151447.build-i386-xsm (like 151435)
 revision_ovmf=8927e2777786a43cddfaa328b0f4c41a09c629c9
 revision_qemu=3c659044118e34603161457db9934a34f816d78b
 revision_qemuu=53550e81e2cafe7c03a39526b95cd21b5194d9b1
 revision_seabios=2e3de6253422112ae43e608661ba94ea6b345694
 revision_xen=3625b04991b4d6affadd99d377ab84bac48dfff4
Searching for build-i386-xsm (like 151435) to reuse...
Creating 151447.build-i386-xsm (copying from 151435)
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 151447...
Need 151447.test-amd64-i386-libvirt-xsm (like 151435)
Creating 151447.test-amd64-i386-libvirt-xsm (copying from 151435)
Need 151447.build-i386-xsm (like 151435)
 revision_ovmf=8927e2777786a43cddfaa328b0f4c41a09c629c9
 revision_qemu=3c659044118e34603161457db9934a34f816d78b
 revision_qemuu=53550e81e2cafe7c03a39526b95cd21b5194d9b1
 revision_seabios=2e3de6253422112ae43e608661ba94ea6b345694
 revision_xen=3625b04991b4d6affadd99d377ab84bac48dfff4
Creating 151447.build-i386-xsm (copying from 151435)
Need 151447.build-i386-pvops (like 151435)
 revision_linux=c3038e718a19fc596f7b1baba0f83d5146dc7784
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Searching for build-i386-pvops (like 151435) 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 151447...
Need 151447.test-amd64-i386-libvirt-xsm (like 151435)
Creating 151447.test-amd64-i386-libvirt-xsm (copying from 151435)
Need 151447.build-i386-xsm (like 151435)
 revision_ovmf=8927e2777786a43cddfaa328b0f4c41a09c629c9
 revision_qemu=3c659044118e34603161457db9934a34f816d78b
 revision_qemuu=53550e81e2cafe7c03a39526b95cd21b5194d9b1
 revision_seabios=2e3de6253422112ae43e608661ba94ea6b345694
 revision_xen=3625b04991b4d6affadd99d377ab84bac48dfff4
Creating 151447.build-i386-xsm (copying from 151435)
Need 151447.build-i386-pvops (like 151435)
 revision_linux=c3038e718a19fc596f7b1baba0f83d5146dc7784
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Searching for build-i386-pvops (like 151435) 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 151447...
Need 151447.test-amd64-i386-libvirt-xsm (like 151435)
Creating 151447.test-amd64-i386-libvirt-xsm (copying from 151435)
Need 151447.build-i386-xsm (like 151435)
 revision_ovmf=8927e2777786a43cddfaa328b0f4c41a09c629c9
 revision_qemu=3c659044118e34603161457db9934a34f816d78b
 revision_qemuu=53550e81e2cafe7c03a39526b95cd21b5194d9b1
 revision_seabios=2e3de6253422112ae43e608661ba94ea6b345694
 revision_xen=3625b04991b4d6affadd99d377ab84bac48dfff4
Creating 151447.build-i386-xsm (copying from 151435)
Need 151447.build-i386-pvops (like 151435)
 revision_linux=c3038e718a19fc596f7b1baba0f83d5146dc7784
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Searching for build-i386-pvops (like 151435) to reuse...
Can reuse build-kern 151437.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='151437.build-i386-pvops', 2='151447', 
3='test-amd64-i386-libvirt-xsm', 4='kernbuildjob']
DB conflict (messages above may refer); retrying...
Populating 151447...
Need 151447.test-amd64-i386-libvirt-xsm (like 151435)
Creating 151447.test-amd64-i386-libvirt-xsm (copying from 151435)
Need 151447.build-i386-xsm (like 151435)
 revision_ovmf=8927e2777786a43cddfaa328b0f4c41a09c629c9
 revision_qemu=3c659044118e34603161457db9934a34f816d78b
 revision_qemuu=53550e81e2cafe7c03a39526b95cd21b5194d9b1
 revision_seabios=2e3de6253422112ae43e608661ba94ea6b345694
 revision_xen=3625b04991b4d6affadd99d377ab84bac48dfff4
Creating 151447.build-i386-xsm (copying from 151435)
Need 151447.build-i386-pvops (like 151435)
 revision_linux=c3038e718a19fc596f7b1baba0f83d5146dc7784
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Can reuse build-kern 151437.build-i386-pvops.
Need 151447.build-i386-libvirt (like 151435)
 revision_libvirt=cf9e7726b38bc93a2728638d435199297d2b3aaa
 revision_libvirt_keycodemapdb=27acf0ef828bf719b2053ba398b195829413dbdd
 revision_xen=3625b04991b4d6affadd99d377ab84bac48dfff4
Creating 151447.build-i386-libvirt (copying from 151435)
Need 151447.build-i386 (like 151435)
 revision_ovmf=8927e2777786a43cddfaa328b0f4c41a09c629c9
 revision_qemu=3c659044118e34603161457db9934a34f816d78b
 revision_qemuu=53550e81e2cafe7c03a39526b95cd21b5194d9b1
 revision_seabios=2e3de6253422112ae43e608661ba94ea6b345694
 revision_xen=3625b04991b4d6affadd99d377ab84bac48dfff4
Searching for build-i386 (like 151435) to reuse...
Can reuse build 151275.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='151275.build-i386', 2='151447', 3='build-i386-libvirt', 
4='buildjob']
DB conflict (messages above may refer); retrying...
Populating 151447...
Need 151447.test-amd64-i386-libvirt-xsm (like 151435)
Creating 151447.test-amd64-i386-libvirt-xsm (copying from 151435)
Need 151447.build-i386-xsm (like 151435)
 revision_ovmf=8927e2777786a43cddfaa328b0f4c41a09c629c9
 revision_qemu=3c659044118e34603161457db9934a34f816d78b
 revision_qemuu=53550e81e2cafe7c03a39526b95cd21b5194d9b1
 revision_seabios=2e3de6253422112ae43e608661ba94ea6b345694
 revision_xen=3625b04991b4d6affadd99d377ab84bac48dfff4
Creating 151447.build-i386-xsm (copying from 151435)
Need 151447.build-i386-pvops (like 151435)
 revision_linux=c3038e718a19fc596f7b1baba0f83d5146dc7784
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Can reuse build-kern 151437.build-i386-pvops.
Need 151447.build-i386-libvirt (like 151435)
 revision_libvirt=cf9e7726b38bc93a2728638d435199297d2b3aaa
 revision_libvirt_keycodemapdb=27acf0ef828bf719b2053ba398b195829413dbdd
 revision_xen=3625b04991b4d6affadd99d377ab84bac48dfff4
Creating 151447.build-i386-libvirt (copying from 151435)
Need 151447.build-i386 (like 151435)
 revision_ovmf=8927e2777786a43cddfaa328b0f4c41a09c629c9
 revision_qemu=3c659044118e34603161457db9934a34f816d78b
 revision_qemuu=53550e81e2cafe7c03a39526b95cd21b5194d9b1
 revision_seabios=2e3de6253422112ae43e608661ba94ea6b345694
 revision_xen=3625b04991b4d6affadd99d377ab84bac48dfff4
Can reuse build 151275.build-i386.
Need 151447.build-amd64-xsm (like 151435)
 revision_ovmf=8927e2777786a43cddfaa328b0f4c41a09c629c9
 revision_qemu=3c659044118e34603161457db9934a34f816d78b
 revision_qemuu=53550e81e2cafe7c03a39526b95cd21b5194d9b1
 revision_seabios=2e3de6253422112ae43e608661ba94ea6b345694
 revision_xen=3625b04991b4d6affadd99d377ab84bac48dfff4
Searching for build-amd64-xsm (like 151435) to reuse...
Creating 151447.build-amd64-xsm (copying from 151435)
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 151447...
Need 151447.test-amd64-i386-libvirt-xsm (like 151435)
Creating 151447.test-amd64-i386-libvirt-xsm (copying from 151435)
Need 151447.build-i386-xsm (like 151435)
 revision_ovmf=8927e2777786a43cddfaa328b0f4c41a09c629c9
 revision_qemu=3c659044118e34603161457db9934a34f816d78b
 revision_qemuu=53550e81e2cafe7c03a39526b95cd21b5194d9b1
 revision_seabios=2e3de6253422112ae43e608661ba94ea6b345694
 revision_xen=3625b04991b4d6affadd99d377ab84bac48dfff4
Creating 151447.build-i386-xsm (copying from 151435)
Need 151447.build-i386-pvops (like 151435)
 revision_linux=c3038e718a19fc596f7b1baba0f83d5146dc7784
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Can reuse build-kern 151437.build-i386-pvops.
Need 151447.build-i386-libvirt (like 151435)
 revision_libvirt=cf9e7726b38bc93a2728638d435199297d2b3aaa
 revision_libvirt_keycodemapdb=27acf0ef828bf719b2053ba398b195829413dbdd
 revision_xen=3625b04991b4d6affadd99d377ab84bac48dfff4
Creating 151447.build-i386-libvirt (copying from 151435)
Need 151447.build-i386 (like 151435)
 revision_ovmf=8927e2777786a43cddfaa328b0f4c41a09c629c9
 revision_qemu=3c659044118e34603161457db9934a34f816d78b
 revision_qemuu=53550e81e2cafe7c03a39526b95cd21b5194d9b1
 revision_seabios=2e3de6253422112ae43e608661ba94ea6b345694
 revision_xen=3625b04991b4d6affadd99d377ab84bac48dfff4
Can reuse build 151275.build-i386.
Need 151447.build-amd64-xsm (like 151435)
 revision_ovmf=8927e2777786a43cddfaa328b0f4c41a09c629c9
 revision_qemu=3c659044118e34603161457db9934a34f816d78b
 revision_qemuu=53550e81e2cafe7c03a39526b95cd21b5194d9b1
 revision_seabios=2e3de6253422112ae43e608661ba94ea6b345694
 revision_xen=3625b04991b4d6affadd99d377ab84bac48dfff4
Creating 151447.build-amd64-xsm (copying from 151435)
Checking for flail (since 150457)...
Flight 151447 ready to go.