[qemu-mainline bisection] 151877: testing test-amd64-amd64-qemuu-nested-intel

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

branch xen-unstable
xenbranch xen-unstable
job test-amd64-amd64-qemuu-nested-intel
testid debian-hvm-install

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-amd64-qemuu-nested-intel.debian-hvm-install.html
Revision IDs in each graph node refer, respectively, to the Trees above.

----------------------------------------
Running cs-bisection-step 
--graph-out=/home/logs/results/bisect/qemu-mainline/test-amd64-amd64-qemuu-nested-intel.debian-hvm-install
 --summary-out=tmp/151877.bisection-summary --basis-template=151065 
--blessings=real,real-bisect --flight=151877 qemu-mainline 
test-amd64-amd64-qemuu-nested-intel debian-hvm-install
Searching for failure / basis pass:
 151855 fail [host=albana0] / 151149 ok.
Failure / basis pass flights: 151855 / 151149
(tree with no url: minios)
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 c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
f45e3a4afa65a45ea1a956a7c5e7410ff40190d1 
3c659044118e34603161457db9934a34f816d78b 
d34498309cff7560ac90c422c56e3137e6a64b19 
88ab0c15525ced2eefe39220742efe4769089ad8 
02d69864b51a4302a148c28d6d391238a6778b4b
Basis pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
9af1064995d479df92e399a682ba7e4b2fc78415 
3c659044118e34603161457db9934a34f816d78b 
7d3660e79830a069f1848bb4fa1cdf8f666424fb 
2e3de6253422112ae43e608661ba94ea6b345694 
b91825f628c9a62cf2a3a0d972ea81484a8b7fce
Generating revisions with ./adhoc-revtuple-generator  
git://xenbits.xen.org/linux-pvops.git#c3038e718a19fc596f7b1baba0f83d5146dc7784-c3038e718a19fc596f7b1baba0f83d5146dc7784
 
git://xenbits.xen.org/osstest/linux-firmware.git#c530a75c1e6a472b0eb9558310b518f0dfcd8860-c530a75c1e6a472b0eb9558310b518f0dfcd8860
 
git://xenbits.xen.org/osstest/ovmf.git#9af1064995d479df92e399a682ba7e4b2fc78415-f45e3a4afa65a45ea1a956a7c5e7410ff40190d1
 git://xenbits.xen.org/qemu-xen-traditional.git#3c659044118e34603161457db99\
 34a34f816d78b-3c659044118e34603161457db9934a34f816d78b 
git://git.qemu.org/qemu.git#7d3660e79830a069f1848bb4fa1cdf8f666424fb-d34498309cff7560ac90c422c56e3137e6a64b19
 
git://xenbits.xen.org/osstest/seabios.git#2e3de6253422112ae43e608661ba94ea6b345694-88ab0c15525ced2eefe39220742efe4769089ad8
 
git://xenbits.xen.org/xen.git#b91825f628c9a62cf2a3a0d972ea81484a8b7fce-02d69864b51a4302a148c28d6d391238a6778b4b
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 63146 nodes in revision graph
Searching for test results:
 151160 pass irrelevant
 151101 pass irrelevant
 151065 [host=fiano0]
 151149 pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
9af1064995d479df92e399a682ba7e4b2fc78415 
3c659044118e34603161457db9934a34f816d78b 
7d3660e79830a069f1848bb4fa1cdf8f666424fb 
2e3de6253422112ae43e608661ba94ea6b345694 
b91825f628c9a62cf2a3a0d972ea81484a8b7fce
 151212 pass irrelevant
 151168 pass irrelevant
 151221 fail irrelevant
 151171 pass irrelevant
 151193 pass irrelevant
 151172 pass irrelevant
 151215 pass irrelevant
 151174 pass irrelevant
 151176 pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
9af1064995d479df92e399a682ba7e4b2fc78415 
3c659044118e34603161457db9934a34f816d78b 
7d3660e79830a069f1848bb4fa1cdf8f666424fb 
2e3de6253422112ae43e608661ba94ea6b345694 
b91825f628c9a62cf2a3a0d972ea81484a8b7fce
 151177 pass irrelevant
 151178 pass irrelevant
 151179 pass irrelevant
 151180 pass irrelevant
 151199 pass irrelevant
 151182 pass irrelevant
 151183 pass irrelevant
 151216 pass irrelevant
 151185 pass irrelevant
 151189 pass irrelevant
 151175 fail irrelevant
 151218 pass irrelevant
 151190 pass irrelevant
 151202 pass irrelevant
 151220 pass irrelevant
 151207 pass irrelevant
 151211 pass irrelevant
 151241 fail irrelevant
 151286 fail irrelevant
 151269 fail irrelevant
 151328 fail irrelevant
 151304 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
322969adf1fb3d6cfbd613f35121315715aff2ed 
3c659044118e34603161457db9934a34f816d78b 
171199f56f5f9bdf1e5d670d09ef1351d8f01bae 
2e3de6253422112ae43e608661ba94ea6b345694 
fde76f895d0aa817a1207d844d793239c6639bc6
 151377 fail irrelevant
 151353 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
1a992030522622c42aa063788b3276789c56c1e1 
3c659044118e34603161457db9934a34f816d78b 
d4b78317b7cf8c0c635b70086503813f79ff21ec 
2e3de6253422112ae43e608661ba94ea6b345694 
fde76f895d0aa817a1207d844d793239c6639bc6
 151399 fail irrelevant
 151414 fail irrelevant
 151435 fail irrelevant
 151459 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
0f01cec52f4794777feb067e4fa0bfcedfdc124e 
3c659044118e34603161457db9934a34f816d78b 
e7651153a8801dad6805d450ea8bef9b46c1adf5 
88ab0c15525ced2eefe39220742efe4769089ad8 
88cfd062e8318dfeb67c7d2eb50b6cd224b0738a
 151471 fail irrelevant
 151485 fail irrelevant
 151500 fail irrelevant
 151518 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
00217f1919270007d7a911f89b32e39b9dcaa907 
3c659044118e34603161457db9934a34f816d78b 
fc1bff958998910ec8d25db86cd2f53ff125f7ab 
88ab0c15525ced2eefe39220742efe4769089ad8 
23ca7ec0ba620db52a646d80e22f9703a6589f66
 151547 fail irrelevant
 151598 fail irrelevant
 151577 fail irrelevant
 151622 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
627d1d6693b0594d257dbe1a3363a8d4bd4d8307 
3c659044118e34603161457db9934a34f816d78b 
7b7515702012219410802a168ae4aa45b72a44df 
88ab0c15525ced2eefe39220742efe4769089ad8 
be63d9d47f571a60d70f8fb630c03871312d9655
 151656 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
627d1d6693b0594d257dbe1a3363a8d4bd4d8307 
3c659044118e34603161457db9934a34f816d78b 
eb6490f544388dd24c0d054a96dd304bc7284450 
88ab0c15525ced2eefe39220742efe4769089ad8 
be63d9d47f571a60d70f8fb630c03871312d9655
 151634 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
627d1d6693b0594d257dbe1a3363a8d4bd4d8307 
3c659044118e34603161457db9934a34f816d78b 
eb6490f544388dd24c0d054a96dd304bc7284450 
88ab0c15525ced2eefe39220742efe4769089ad8 
be63d9d47f571a60d70f8fb630c03871312d9655
 151645 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
627d1d6693b0594d257dbe1a3363a8d4bd4d8307 
3c659044118e34603161457db9934a34f816d78b 
eb6490f544388dd24c0d054a96dd304bc7284450 
88ab0c15525ced2eefe39220742efe4769089ad8 
be63d9d47f571a60d70f8fb630c03871312d9655
 151669 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
627d1d6693b0594d257dbe1a3363a8d4bd4d8307 
3c659044118e34603161457db9934a34f816d78b 
eb6490f544388dd24c0d054a96dd304bc7284450 
88ab0c15525ced2eefe39220742efe4769089ad8 
be63d9d47f571a60d70f8fb630c03871312d9655
 151685 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
627d1d6693b0594d257dbe1a3363a8d4bd4d8307 
3c659044118e34603161457db9934a34f816d78b 
eb6490f544388dd24c0d054a96dd304bc7284450 
88ab0c15525ced2eefe39220742efe4769089ad8 
be63d9d47f571a60d70f8fb630c03871312d9655
 151704 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
627d1d6693b0594d257dbe1a3363a8d4bd4d8307 
3c659044118e34603161457db9934a34f816d78b 
eb6490f544388dd24c0d054a96dd304bc7284450 
88ab0c15525ced2eefe39220742efe4769089ad8 
be63d9d47f571a60d70f8fb630c03871312d9655
 151778 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
bdafda8c457eb90c65f37026589b54258300f05c 
3c659044118e34603161457db9934a34f816d78b 
aff2caf6b3fbab1062e117a47b66d27f7fd2f272 
88ab0c15525ced2eefe39220742efe4769089ad8 
3fdc211b01b29f252166937238efe02d15cb5780
 151721 fail irrelevant
 151763 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
bdafda8c457eb90c65f37026589b54258300f05c 
3c659044118e34603161457db9934a34f816d78b 
48f22ad04ead83e61b4b35871ec6f6109779b791 
88ab0c15525ced2eefe39220742efe4769089ad8 
3fdc211b01b29f252166937238efe02d15cb5780
 151744 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
bdafda8c457eb90c65f37026589b54258300f05c 
3c659044118e34603161457db9934a34f816d78b 
8796c64ecdfd34be394ea277aaaaa53df0c76996 
88ab0c15525ced2eefe39220742efe4769089ad8 
3fdc211b01b29f252166937238efe02d15cb5780
 151804 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
bdafda8c457eb90c65f37026589b54258300f05c 
3c659044118e34603161457db9934a34f816d78b 
45db94cc90c286a9965a285ba19450f448760a09 
88ab0c15525ced2eefe39220742efe4769089ad8 
3fdc211b01b29f252166937238efe02d15cb5780
 151816 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
bdafda8c457eb90c65f37026589b54258300f05c 
3c659044118e34603161457db9934a34f816d78b 
45db94cc90c286a9965a285ba19450f448760a09 
88ab0c15525ced2eefe39220742efe4769089ad8 
3fdc211b01b29f252166937238efe02d15cb5780
 151833 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
f45e3a4afa65a45ea1a956a7c5e7410ff40190d1 
3c659044118e34603161457db9934a34f816d78b 
827937158b72ce2265841ff528bba3c44a1bfbc8 
88ab0c15525ced2eefe39220742efe4769089ad8 
02d69864b51a4302a148c28d6d391238a6778b4b
 151865 pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
9af1064995d479df92e399a682ba7e4b2fc78415 
3c659044118e34603161457db9934a34f816d78b 
7d3660e79830a069f1848bb4fa1cdf8f666424fb 
2e3de6253422112ae43e608661ba94ea6b345694 
b91825f628c9a62cf2a3a0d972ea81484a8b7fce
 151866 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
f45e3a4afa65a45ea1a956a7c5e7410ff40190d1 
3c659044118e34603161457db9934a34f816d78b 
d34498309cff7560ac90c422c56e3137e6a64b19 
88ab0c15525ced2eefe39220742efe4769089ad8 
02d69864b51a4302a148c28d6d391238a6778b4b
 151855 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
f45e3a4afa65a45ea1a956a7c5e7410ff40190d1 
3c659044118e34603161457db9934a34f816d78b 
d34498309cff7560ac90c422c56e3137e6a64b19 
88ab0c15525ced2eefe39220742efe4769089ad8 
02d69864b51a4302a148c28d6d391238a6778b4b
 151841 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
f45e3a4afa65a45ea1a956a7c5e7410ff40190d1 
3c659044118e34603161457db9934a34f816d78b 
2033cc6efa98b831d7839e367aa7d5aa74d0750f 
88ab0c15525ced2eefe39220742efe4769089ad8 
02d69864b51a4302a148c28d6d391238a6778b4b
 151868 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
239b50a863704f7960525799eda82de061c7c458 
3c659044118e34603161457db9934a34f816d78b 
eefe34ea4b82c2b47abe28af4cc7247d51553626 
2e3de6253422112ae43e608661ba94ea6b345694 
25636ed707cf1211ce846c7ec58f8643e435d7a7
 151871 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
239b50a863704f7960525799eda82de061c7c458 
3c659044118e34603161457db9934a34f816d78b 
3f429a3400822141651486193d6af625eeab05a5 
2e3de6253422112ae43e608661ba94ea6b345694 
71ca0e0ad000e690899936327eb09709ab182ade
 151849 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
f45e3a4afa65a45ea1a956a7c5e7410ff40190d1 
3c659044118e34603161457db9934a34f816d78b 
d34498309cff7560ac90c422c56e3137e6a64b19 
88ab0c15525ced2eefe39220742efe4769089ad8 
02d69864b51a4302a148c28d6d391238a6778b4b
 151872 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
58ae92a993687d913aa6dd00ef3497a1bc5f6c40 
3c659044118e34603161457db9934a34f816d78b 
54cdfe511219b8051046be55a6e156c4f08ff7ff 
2e3de6253422112ae43e608661ba94ea6b345694 
71ca0e0ad000e690899936327eb09709ab182ade
 151873 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
a2433243fbe471c250d7eddc2c7da325d91265fd 
3c659044118e34603161457db9934a34f816d78b 
b77b5b3dc7a4730d804090d359c57d33573cf85a 
2e3de6253422112ae43e608661ba94ea6b345694 
3625b04991b4d6affadd99d377ab84bac48dfff4
 151876 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
8927e2777786a43cddfaa328b0f4c41a09c629c9 
3c659044118e34603161457db9934a34f816d78b 
db2322469a245eb9d9aa1c98747f6d595cca8f35 
2e3de6253422112ae43e608661ba94ea6b345694 
1251402caf8685f45d9d580f01583370f7e2d272
Searching for interesting versions
 Result found: flight 151149 (pass), for basis pass
 Result found: flight 151849 (fail), for basis failure
 Repro found: flight 151865 (pass), for basis pass
 Repro found: flight 151866 (fail), for basis failure
 46 revisions at c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
8927e2777786a43cddfaa328b0f4c41a09c629c9 
3c659044118e34603161457db9934a34f816d78b 
9307d06da9d12ede17942dc4f1c7bf8d80b4a3c6 
2e3de6253422112ae43e608661ba94ea6b345694 
1251402caf8685f45d9d580f01583370f7e2d272
Looking 23 below c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
8927e2777786a43cddfaa328b0f4c41a09c629c9 
3c659044118e34603161457db9934a34f816d78b 
9307d06da9d12ede17942dc4f1c7bf8d80b4a3c6 
2e3de6253422112ae43e608661ba94ea6b345694 
1251402caf8685f45d9d580f01583370f7e2d272.
Should test c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
8927e2777786a43cddfaa328b0f4c41a09c629c9 
3c659044118e34603161457db9934a34f816d78b 
9354eaaf16fdb98651574f131ff66ad974e50bba 
2e3de6253422112ae43e608661ba94ea6b345694 
1251402caf8685f45d9d580f01583370f7e2d272.
dot: graph is too large for cairo-renderer bitmaps. Scaling by 0.812432 to fit
pnmtopng: 186 colors found
Revision graph left in 
/home/logs/results/bisect/qemu-mainline/test-amd64-amd64-qemuu-nested-intel.debian-hvm-install.{dot,ps,png,html,svg}.
Populating 151877...
Need 151877.test-amd64-amd64-qemuu-nested-intel (like 151855)
Creating 151877.test-amd64-amd64-qemuu-nested-intel (copying from 151855)
Need 151877.build-amd64 (like 151855)
 revision_ovmf=8927e2777786a43cddfaa328b0f4c41a09c629c9
 revision_qemu=3c659044118e34603161457db9934a34f816d78b
 revision_qemuu=9354eaaf16fdb98651574f131ff66ad974e50bba
 revision_seabios=2e3de6253422112ae43e608661ba94ea6b345694
 revision_xen=1251402caf8685f45d9d580f01583370f7e2d272
Searching for build-amd64 (like 151855) 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 151877...
Need 151877.test-amd64-amd64-qemuu-nested-intel (like 151855)
Creating 151877.test-amd64-amd64-qemuu-nested-intel (copying from 151855)
Need 151877.build-amd64 (like 151855)
 revision_ovmf=8927e2777786a43cddfaa328b0f4c41a09c629c9
 revision_qemu=3c659044118e34603161457db9934a34f816d78b
 revision_qemuu=9354eaaf16fdb98651574f131ff66ad974e50bba
 revision_seabios=2e3de6253422112ae43e608661ba94ea6b345694
 revision_xen=1251402caf8685f45d9d580f01583370f7e2d272
Searching for build-amd64 (like 151855) 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 151877...
Need 151877.test-amd64-amd64-qemuu-nested-intel (like 151855)
Creating 151877.test-amd64-amd64-qemuu-nested-intel (copying from 151855)
Need 151877.build-amd64 (like 151855)
 revision_ovmf=8927e2777786a43cddfaa328b0f4c41a09c629c9
 revision_qemu=3c659044118e34603161457db9934a34f816d78b
 revision_qemuu=9354eaaf16fdb98651574f131ff66ad974e50bba
 revision_seabios=2e3de6253422112ae43e608661ba94ea6b345694
 revision_xen=1251402caf8685f45d9d580f01583370f7e2d272
Searching for build-amd64 (like 151855) to reuse...
Can reuse build 151409.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='151409.build-amd64', 2='151877', 
3='test-amd64-amd64-qemuu-nested-intel', 4='buildjob']
DB conflict (messages above may refer); retrying...
Populating 151877...
Need 151877.test-amd64-amd64-qemuu-nested-intel (like 151855)
Creating 151877.test-amd64-amd64-qemuu-nested-intel (copying from 151855)
Need 151877.build-amd64 (like 151855)
 revision_ovmf=8927e2777786a43cddfaa328b0f4c41a09c629c9
 revision_qemu=3c659044118e34603161457db9934a34f816d78b
 revision_qemuu=9354eaaf16fdb98651574f131ff66ad974e50bba
 revision_seabios=2e3de6253422112ae43e608661ba94ea6b345694
 revision_xen=1251402caf8685f45d9d580f01583370f7e2d272
Can reuse build 151409.build-amd64.
Need 151877.build-amd64-pvops (like 151855)
 revision_linux=c3038e718a19fc596f7b1baba0f83d5146dc7784
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Searching for build-amd64-pvops (like 151855) to reuse...
Can reuse build-kern 151867.build-amd64-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='151867.build-amd64-pvops', 2='151877', 
3='test-amd64-amd64-qemuu-nested-intel', 4='kernbuildjob']
DB conflict (messages above may refer); retrying...
Populating 151877...
Need 151877.test-amd64-amd64-qemuu-nested-intel (like 151855)
Creating 151877.test-amd64-amd64-qemuu-nested-intel (copying from 151855)
Need 151877.build-amd64 (like 151855)
 revision_ovmf=8927e2777786a43cddfaa328b0f4c41a09c629c9
 revision_qemu=3c659044118e34603161457db9934a34f816d78b
 revision_qemuu=9354eaaf16fdb98651574f131ff66ad974e50bba
 revision_seabios=2e3de6253422112ae43e608661ba94ea6b345694
 revision_xen=1251402caf8685f45d9d580f01583370f7e2d272
Can reuse build 151409.build-amd64.
Need 151877.build-amd64-pvops (like 151855)
 revision_linux=c3038e718a19fc596f7b1baba0f83d5146dc7784
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Can reuse build-kern 151867.build-amd64-pvops.
Need 151877.build-amd64 (like 151855)
 revision_ovmf=8927e2777786a43cddfaa328b0f4c41a09c629c9
 revision_qemu=3c659044118e34603161457db9934a34f816d78b
 revision_qemuu=9354eaaf16fdb98651574f131ff66ad974e50bba
 revision_seabios=2e3de6253422112ae43e608661ba94ea6b345694
 revision_xen=1251402caf8685f45d9d580f01583370f7e2d272
Can reuse build 151409.build-amd64.
Checking for flail (since 151149)...
Flight 151877 ready to go.