[libvirt bisection] 150417: testing build-armhf-libvirt

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

branch xen-unstable
xenbranch xen-unstable
job build-armhf-libvirt
testid libvirt-build

Tree: libvirt git://libvirt.org/libvirt.git
Tree: libvirt_keycodemapdb https://gitlab.com/keycodemap/keycodemapdb.git
Tree: ovmf git://xenbits.xen.org/osstest/ovmf.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/build-armhf-libvirt.libvirt-build.html
Revision IDs in each graph node refer, respectively, to the Trees above.

----------------------------------------
Running cs-bisection-step 
--graph-out=/home/logs/results/bisect/libvirt/build-armhf-libvirt.libvirt-build 
--summary-out=tmp/150417.bisection-summary --basis-template=146182 
--blessings=real,real-bisect --flight=150417 libvirt build-armhf-libvirt 
libvirt-build
Searching for failure / basis pass:
 150393 fail [host=cubietruck-braque] / 146182 [host=cubietruck-picasso] 146156 
[host=cubietruck-metzinger] 146103 [host=cubietruck-picasso] 146061 
[host=cubietruck-picasso] 145969 ok.
Failure / basis pass flights: 150393 / 145969
(tree in basispass but not in latest: libvirt_gnulib)
Tree: libvirt git://libvirt.org/libvirt.git
Tree: libvirt_keycodemapdb https://gitlab.com/keycodemap/keycodemapdb.git
Tree: ovmf git://xenbits.xen.org/osstest/ovmf.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 4eda71a8d05d968e73ab9b0fdc8a90123c57d39e 
27acf0ef828bf719b2053ba398b195829413dbdd 
1c877c716038a862e876cac8f0929bab4a96e849 
410cc30fdc590417ae730d635bbc70257adf6750 
2e3de6253422112ae43e608661ba94ea6b345694 
354e8318d5a9b6f32fbd3c01d1a9f1970007010b
Basis pass 4a09c143f6c467230ab60c20fea560e710ddeee0 
317d3eeb963a515e15a63fa356d8ebcda7041a51 
70911f1f4aee0366b6122f2b90d367ec0f066beb 
933ebad2470a169504799a1d95b8e410bd9847ef 
f21b5a4aeb020f2a5e2c6503f906a9349dd2f069 
fae249d23413b2bf7d98a97d8f649cf7d102c1ae
Generating revisions with ./adhoc-revtuple-generator  
git://libvirt.org/libvirt.git#4a09c143f6c467230ab60c20fea560e710ddeee0-4eda71a8d05d968e73ab9b0fdc8a90123c57d39e
 
https://gitlab.com/keycodemap/keycodemapdb.git#317d3eeb963a515e15a63fa356d8ebcda7041a51-27acf0ef828bf719b2053ba398b195829413dbdd
 
git://xenbits.xen.org/osstest/ovmf.git#70911f1f4aee0366b6122f2b90d367ec0f066beb-1c877c716038a862e876cac8f0929bab4a96e849
 
git://xenbits.xen.org/qemu-xen.git#933ebad2470a169504799a1d95b8e410bd9847ef-410cc30f\
 dc590417ae730d635bbc70257adf6750 
git://xenbits.xen.org/osstest/seabios.git#f21b5a4aeb020f2a5e2c6503f906a9349dd2f069-2e3de6253422112ae43e608661ba94ea6b345694
 
git://xenbits.xen.org/xen.git#fae249d23413b2bf7d98a97d8f649cf7d102c1ae-354e8318d5a9b6f32fbd3c01d1a9f1970007010b
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.
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 178180 nodes in revision graph
Searching for test results:
 145969 pass 4a09c143f6c467230ab60c20fea560e710ddeee0 
317d3eeb963a515e15a63fa356d8ebcda7041a51 
70911f1f4aee0366b6122f2b90d367ec0f066beb 
933ebad2470a169504799a1d95b8e410bd9847ef 
f21b5a4aeb020f2a5e2c6503f906a9349dd2f069 
fae249d23413b2bf7d98a97d8f649cf7d102c1ae
 146061 [host=cubietruck-picasso]
 146069 pass irrelevant
 146084 pass irrelevant
 146103 [host=cubietruck-picasso]
 146182 [host=cubietruck-picasso]
 146156 [host=cubietruck-metzinger]
 146240 [host=cubietruck-picasso]
 146211 [host=cubietruck-metzinger]
 146299 fail irrelevant
 146347 pass irrelevant
 146366 [host=cubietruck-picasso]
 146344 [host=cubietruck-picasso]
 146348 pass irrelevant
 146380 pass 4a09c143f6c467230ab60c20fea560e710ddeee0 
317d3eeb963a515e15a63fa356d8ebcda7041a51 
70911f1f4aee0366b6122f2b90d367ec0f066beb 
933ebad2470a169504799a1d95b8e410bd9847ef 
f21b5a4aeb020f2a5e2c6503f906a9349dd2f069 
fae249d23413b2bf7d98a97d8f649cf7d102c1ae
 146406 fail irrelevant
 146368 [host=cubietruck-picasso]
 146334 pass 4a09c143f6c467230ab60c20fea560e710ddeee0 
317d3eeb963a515e15a63fa356d8ebcda7041a51 
70911f1f4aee0366b6122f2b90d367ec0f066beb 
933ebad2470a169504799a1d95b8e410bd9847ef 
f21b5a4aeb020f2a5e2c6503f906a9349dd2f069 
fae249d23413b2bf7d98a97d8f649cf7d102c1ae
 146392 pass irrelevant
 146339 fail irrelevant
 146341 pass irrelevant
 146352 [host=cubietruck-picasso]
 146371 [host=cubietruck-picasso]
 146359 [host=cubietruck-picasso]
 146342 pass irrelevant
 146411 fail irrelevant
 146383 fail irrelevant
 146360 [host=cubietruck-picasso]
 146364 [host=cubietruck-picasso]
 146399 pass irrelevant
 146373 [host=cubietruck-picasso]
 146377 [host=cubietruck-picasso]
 146386 pass irrelevant
 146374 fail irrelevant
 146378 [host=cubietruck-picasso]
 146389 pass irrelevant
 146410 [host=cubietruck-picasso]
 146402 fail irrelevant
 146394 fail irrelevant
 146404 pass irrelevant
 146407 pass irrelevant
 146455 [host=cubietruck-metzinger]
 146509 fail irrelevant
 146489 fail irrelevant
 146528 fail irrelevant
 146546 fail irrelevant
 146565 fail irrelevant
 146586 fail irrelevant
 146616 [host=cubietruck-gleizes]
 146636 [host=cubietruck-gleizes]
 146660 [host=cubietruck-metzinger]
 146689 [host=cubietruck-picasso]
 146737 [host=cubietruck-gleizes]
 146756 [host=cubietruck-gleizes]
 146714 fail irrelevant
 146775 fail irrelevant
 146799 fail irrelevant
 146843 [host=cubietruck-picasso]
 146921 fail irrelevant
 146995 [host=cubietruck-gleizes]
 147040 [host=cubietruck-gleizes]
 147084 [host=cubietruck-gleizes]
 147141 [host=cubietruck-gleizes]
 147195 [host=cubietruck-metzinger]
 147265 [host=cubietruck-metzinger]
 147340 [host=cubietruck-metzinger]
 147419 fail irrelevant
 147477 fail irrelevant
 147520 [host=cubietruck-gleizes]
 147583 fail irrelevant
 147649 [host=cubietruck-gleizes]
 147703 [host=cubietruck-metzinger]
 147784 [host=cubietruck-metzinger]
 147736 fail irrelevant
 147885 fail irrelevant
 147831 fail irrelevant
 147981 [host=cubietruck-metzinger]
 148068 [host=cubietruck-picasso]
 148144 [host=cubietruck-picasso]
 148196 [host=cubietruck-gleizes]
 148269 [host=cubietruck-picasso]
 148331 fail irrelevant
 148406 [host=cubietruck-gleizes]
 148459 [host=cubietruck-gleizes]
 148503 [host=cubietruck-gleizes]
 148547 [host=cubietruck-gleizes]
 148615 fail irrelevant
 148583 [host=cubietruck-metzinger]
 148651 [host=cubietruck-gleizes]
 148688 [host=cubietruck-metzinger]
 148729 [host=cubietruck-metzinger]
 148775 [host=cubietruck-metzinger]
 148799 fail irrelevant
 148830 [host=cubietruck-gleizes]
 148887 fail irrelevant
 149003 [host=cubietruck-metzinger]
 148954 [host=cubietruck-metzinger]
 148990 [host=cubietruck-metzinger]
 148997 [host=cubietruck-metzinger]
 148959 pass 4a09c143f6c467230ab60c20fea560e710ddeee0 
317d3eeb963a515e15a63fa356d8ebcda7041a51 
70911f1f4aee0366b6122f2b90d367ec0f066beb 
933ebad2470a169504799a1d95b8e410bd9847ef 
f21b5a4aeb020f2a5e2c6503f906a9349dd2f069 
fae249d23413b2bf7d98a97d8f649cf7d102c1ae
 148967 fail irrelevant
 148975 fail 1a552eccf1ac1f48a6a2e375b29c109300ae3e05 
317d3eeb963a515e15a63fa356d8ebcda7041a51 
c8b8157e126ae2fb6f65842677251d300ceff104 
933ebad2470a169504799a1d95b8e410bd9847ef 
76551856b28d227cb0386a1ab0e774329b941f7d 
4d009db0a381412b959db84562b68f2d3533cd87
 148969 fail 0d0d60ddc5e58359cff5be8dfd6dd27e98da0282 
317d3eeb963a515e15a63fa356d8ebcda7041a51 
7636747f44b2dbaced9304559856955c382f9028 
933ebad2470a169504799a1d95b8e410bd9847ef 
76551856b28d227cb0386a1ab0e774329b941f7d 
3dd724dff085e13ad520f8e35aea717db2ff07d0
 148982 [host=cubietruck-metzinger]
 148993 [host=cubietruck-metzinger]
 149006 [host=cubietruck-metzinger]
 149011 [host=cubietruck-metzinger]
 149016 [host=cubietruck-metzinger]
 149019 [host=cubietruck-metzinger]
 149020 [host=cubietruck-metzinger]
 149001 [host=cubietruck-picasso]
 149022 [host=cubietruck-metzinger]
 149025 [host=cubietruck-picasso]
 149028 [host=cubietruck-picasso]
 149032 [host=cubietruck-picasso]
 149035 [host=cubietruck-picasso]
 149043 [host=cubietruck-picasso]
 149037 [host=cubietruck-picasso]
 149041 [host=cubietruck-picasso]
 149045 [host=cubietruck-picasso]
 149074 [host=cubietruck-metzinger]
 149123 [host=cubietruck-metzinger]
 149154 [host=cubietruck-metzinger]
 149193 [host=cubietruck-gleizes]
 149234 [host=cubietruck-metzinger]
 149268 fail irrelevant
 149314 [host=cubietruck-gleizes]
 149376 [host=cubietruck-gleizes]
 149407 [host=cubietruck-metzinger]
 149434 [host=cubietruck-picasso]
 149455 fail irrelevant
 149482 [host=cubietruck-metzinger]
 149550 fail irrelevant
 149508 [host=cubietruck-picasso]
 149590 [host=cubietruck-picasso]
 149643 [host=cubietruck-picasso]
 149629 fail irrelevant
 149615 fail irrelevant
 149635 [host=cubietruck-metzinger]
 149684 [host=cubietruck-metzinger]
 149666 [host=cubietruck-metzinger]
 149696 [host=cubietruck-picasso]
 149732 [host=cubietruck-picasso]
 149773 [host=cubietruck-gleizes]
 149746 [host=cubietruck-gleizes]
 149803 [host=cubietruck-gleizes]
 149826 [host=cubietruck-gleizes]
 149886 [host=cubietruck-gleizes]
 149833 [host=cubietruck-gleizes]
 149850 [host=cubietruck-gleizes]
 149870 [host=cubietruck-gleizes]
 149909 fail de7e9840e7f888f1a872c86b0cb793b283193137 
317d3eeb963a515e15a63fa356d8ebcda7041a51 
e54310451f1ac2ce4ccb90a110f45bb9b4f3ccd6 
410cc30fdc590417ae730d635bbc70257adf6750 
eaaf726038cb9b2d01312d6430b4e93842aa96eb 
0135be8bd8cd60090298f02310691b688d95c3a8
 149902 fail de7e9840e7f888f1a872c86b0cb793b283193137 
317d3eeb963a515e15a63fa356d8ebcda7041a51 
e54310451f1ac2ce4ccb90a110f45bb9b4f3ccd6 
410cc30fdc590417ae730d635bbc70257adf6750 
eaaf726038cb9b2d01312d6430b4e93842aa96eb 
0135be8bd8cd60090298f02310691b688d95c3a8
 149895 [host=cubietruck-gleizes]
 150053 [host=cubietruck-metzinger]
 150062 [host=cubietruck-metzinger]
 150083 fail irrelevant
 150099 fail irrelevant
 150121 []
 150155 fail 65a12c467cd683809b4d445b8cf1c3ae250209b2 
27acf0ef828bf719b2053ba398b195829413dbdd 
88899a372cfc44f8612315f4b43a084d1814fe69 
410cc30fdc590417ae730d635bbc70257adf6750 
eaaf726038cb9b2d01312d6430b4e93842aa96eb 
a82582b1af6a4a57ca53bcfad9f71428cb5f9a54
 150131 [host=cubietruck-gleizes]
 150146 [host=cubietruck-gleizes]
 150170 [host=cubietruck-gleizes]
 150210 [host=cubietruck-gleizes]
 150228 [host=cubietruck-metzinger]
 150190 fail irrelevant
 150222 [host=cubietruck-gleizes]
 150237 fail irrelevant
 150268 [host=cubietruck-metzinger]
 150287 fail irrelevant
 150347 fail f718709431429fbb4e1fc6781f3a3752a7f43f70 
27acf0ef828bf719b2053ba398b195829413dbdd 
1c877c716038a862e876cac8f0929bab4a96e849 
410cc30fdc590417ae730d635bbc70257adf6750 
7e9db04923854b7f4edca33948f55abee22907b9 
5e015d48a5ee68ba03addad2698364d8f015afec
 150317 [host=cubietruck-picasso]
 150339 [host=cubietruck-picasso]
 150359 fail f718709431429fbb4e1fc6781f3a3752a7f43f70 
27acf0ef828bf719b2053ba398b195829413dbdd 
1c877c716038a862e876cac8f0929bab4a96e849 
410cc30fdc590417ae730d635bbc70257adf6750 
7e9db04923854b7f4edca33948f55abee22907b9 
437b0aa06a014ce174e24c0d3530b3e9ab19b18b
 150374 [host=cubietruck-metzinger]
 150404 fail 4eda71a8d05d968e73ab9b0fdc8a90123c57d39e 
27acf0ef828bf719b2053ba398b195829413dbdd 
1c877c716038a862e876cac8f0929bab4a96e849 
410cc30fdc590417ae730d635bbc70257adf6750 
2e3de6253422112ae43e608661ba94ea6b345694 
354e8318d5a9b6f32fbd3c01d1a9f1970007010b
 150393 fail 4eda71a8d05d968e73ab9b0fdc8a90123c57d39e 
27acf0ef828bf719b2053ba398b195829413dbdd 
1c877c716038a862e876cac8f0929bab4a96e849 
410cc30fdc590417ae730d635bbc70257adf6750 
2e3de6253422112ae43e608661ba94ea6b345694 
354e8318d5a9b6f32fbd3c01d1a9f1970007010b
 150395 pass 4a09c143f6c467230ab60c20fea560e710ddeee0 
317d3eeb963a515e15a63fa356d8ebcda7041a51 
70911f1f4aee0366b6122f2b90d367ec0f066beb 
933ebad2470a169504799a1d95b8e410bd9847ef 
f21b5a4aeb020f2a5e2c6503f906a9349dd2f069 
fae249d23413b2bf7d98a97d8f649cf7d102c1ae
 150411 pass 0f814c0fed420209ccb881325b854beaa7c70fcf 
317d3eeb963a515e15a63fa356d8ebcda7041a51 
710ff7490ad897383eb35d1becadabd21a733f24 
933ebad2470a169504799a1d95b8e410bd9847ef 
76551856b28d227cb0386a1ab0e774329b941f7d 
b31666c8912bf18d9eff963b06d856e7e818ff34
 150405 fail d61f95cf6a6fbd564e104c168d325581acd9cd8d 
317d3eeb963a515e15a63fa356d8ebcda7041a51 
5cd3d4bc43e543caf5f78baaacced8aaf04c1d91 
933ebad2470a169504799a1d95b8e410bd9847ef 
76551856b28d227cb0386a1ab0e774329b941f7d 
c26940a7447571c37580ada1702595c022d2d1da
 150415 pass f650e86703847af544762d02f79c70131ff7fbab 
317d3eeb963a515e15a63fa356d8ebcda7041a51 
a5235562444021e9c5aff08f45daa6b5b7952c7a 
933ebad2470a169504799a1d95b8e410bd9847ef 
76551856b28d227cb0386a1ab0e774329b941f7d 
97f10daf5f4bac91db732ef45c562839686f2c04
Searching for interesting versions
 Result found: flight 145969 (pass), for basis pass
 Result found: flight 150393 (fail), for basis failure
 Repro found: flight 150395 (pass), for basis pass
 Repro found: flight 150404 (fail), for basis failure
 43 revisions at d61f95cf6a6fbd564e104c168d325581acd9cd8d 
317d3eeb963a515e15a63fa356d8ebcda7041a51 
5cd3d4bc43e543caf5f78baaacced8aaf04c1d91 
933ebad2470a169504799a1d95b8e410bd9847ef 
76551856b28d227cb0386a1ab0e774329b941f7d 
1eeedaf5a0d9ed6324f3bd5b700bb22eb4355341
Looking 21 below d61f95cf6a6fbd564e104c168d325581acd9cd8d 
317d3eeb963a515e15a63fa356d8ebcda7041a51 
5cd3d4bc43e543caf5f78baaacced8aaf04c1d91 
933ebad2470a169504799a1d95b8e410bd9847ef 
76551856b28d227cb0386a1ab0e774329b941f7d 
1eeedaf5a0d9ed6324f3bd5b700bb22eb4355341.
Should test c02e9621b950f9af024c7abed2eef1f70bdb47aa 
317d3eeb963a515e15a63fa356d8ebcda7041a51 
a5235562444021e9c5aff08f45daa6b5b7952c7a 
933ebad2470a169504799a1d95b8e410bd9847ef 
76551856b28d227cb0386a1ab0e774329b941f7d 
97f10daf5f4bac91db732ef45c562839686f2c04.
dot: graph is too large for cairo-renderer bitmaps. Scaling by 0.201455 to fit
pnmtopng: 31 colors found
Revision graph left in 
/home/logs/results/bisect/libvirt/build-armhf-libvirt.libvirt-build.{dot,ps,png,html,svg}.
Populating 150417...
Need 150417.build-armhf-libvirt (like 150393)
 revision_libvirt=c02e9621b950f9af024c7abed2eef1f70bdb47aa
 revision_libvirt_keycodemapdb=317d3eeb963a515e15a63fa356d8ebcda7041a51
 revision_xen=97f10daf5f4bac91db732ef45c562839686f2c04
Creating 150417.build-armhf-libvirt (copying from 150393)
Need 150417.build-armhf (like 150393)
 revision_ovmf=a5235562444021e9c5aff08f45daa6b5b7952c7a
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=76551856b28d227cb0386a1ab0e774329b941f7d
 revision_xen=97f10daf5f4bac91db732ef45c562839686f2c04
Searching for build-armhf (like 150393) 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 150417...
Need 150417.build-armhf-libvirt (like 150393)
 revision_libvirt=c02e9621b950f9af024c7abed2eef1f70bdb47aa
 revision_libvirt_keycodemapdb=317d3eeb963a515e15a63fa356d8ebcda7041a51
 revision_xen=97f10daf5f4bac91db732ef45c562839686f2c04
Creating 150417.build-armhf-libvirt (copying from 150393)
Need 150417.build-armhf (like 150393)
 revision_ovmf=a5235562444021e9c5aff08f45daa6b5b7952c7a
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=76551856b28d227cb0386a1ab0e774329b941f7d
 revision_xen=97f10daf5f4bac91db732ef45c562839686f2c04
Searching for build-armhf (like 150393) to reuse...
Can reuse build 150415.build-armhf.
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='150415.build-armhf', 2='150417', 
3='build-armhf-libvirt', 4='buildjob']
DB conflict (messages above may refer); retrying...
Populating 150417...
Need 150417.build-armhf-libvirt (like 150393)
 revision_libvirt=c02e9621b950f9af024c7abed2eef1f70bdb47aa
 revision_libvirt_keycodemapdb=317d3eeb963a515e15a63fa356d8ebcda7041a51
 revision_xen=97f10daf5f4bac91db732ef45c562839686f2c04
Creating 150417.build-armhf-libvirt (copying from 150393)
Need 150417.build-armhf (like 150393)
 revision_ovmf=a5235562444021e9c5aff08f45daa6b5b7952c7a
 revision_qemuu=933ebad2470a169504799a1d95b8e410bd9847ef
 revision_seabios=76551856b28d227cb0386a1ab0e774329b941f7d
 revision_xen=97f10daf5f4bac91db732ef45c562839686f2c04
Can reuse build 150415.build-armhf.
Checking for flail (since 145969)...
Flight 150417 ready to go.