[qemu-mainline bisection] 161408: 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/l1/l2

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--l1--l2.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--l1--l2
 --summary-out=tmp/161408.bisection-summary --basis-template=152631 
--blessings=real,real-bisect,real-retry --flight=161408 qemu-mainline 
test-amd64-amd64-qemuu-nested-intel debian-hvm-install/l1/l2
Searching for failure / basis pass:
 161388 fail [host=fiano1] / 160125 [host=chardonnay1] 160119 [host=godello0] 
160113 [host=albana0] 160104 [host=godello1] 160097 [host=chardonnay0] 160091 
[host=huxelrebe1] 160088 [host=godello0] 160082 ok.
Failure / basis pass flights: 161388 / 160082
(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 
d3b0d007a135284981fa750612a47234b83976f9 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
b1cffefa1b163bce9aebc3416f562c1d3886eeaa 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
9f6cd4983715cb31f0ea540e6bbb63f799a35d8a
Basis pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
4751a48aeb2ab828b0a5cbdc585fd3642967cda1 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
6157b0e19721aadb4c7fdcfe57b2924af6144b14 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
14b95b3b8546db201e7efd0636ae0e215fae98f3
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#4751a48aeb2ab828b0a5cbdc585fd3642967cda1-d3b0d007a135284981fa750612a47234b83976f9
 git://xenbits.xen.org/qemu-xen-traditional.git#3d273dd05e51e5a1ffba3d98c74\
 37ee84e8f8764-3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
git://git.qemu.org/qemu.git#6157b0e19721aadb4c7fdcfe57b2924af6144b14-b1cffefa1b163bce9aebc3416f562c1d3886eeaa
 
git://xenbits.xen.org/osstest/seabios.git#b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee-b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee
 
git://xenbits.xen.org/xen.git#14b95b3b8546db201e7efd0636ae0e215fae98f3-9f6cd4983715cb31f0ea540e6bbb63f799a35d8a
Loaded 25300 nodes in revision graph
Searching for test results:
 160082 pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
4751a48aeb2ab828b0a5cbdc585fd3642967cda1 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
6157b0e19721aadb4c7fdcfe57b2924af6144b14 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
14b95b3b8546db201e7efd0636ae0e215fae98f3
 160088 [host=godello0]
 160091 [host=huxelrebe1]
 160097 [host=chardonnay0]
 160104 [host=godello1]
 160113 [host=albana0]
 160119 [host=godello0]
 160125 [host=chardonnay1]
 160134 fail irrelevant
 160147 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
eb07bfb09ef5483ad58ed0eba713f32fb0c909f9 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
2e1293cbaac75e84f541f9acfa8e26749f4c3562 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
dae3c3e8b257cd27d6b35a467a34bf79a6650340
 160167 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
ca318882714080fb81fe9eb89a7b7934efc5bfae 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
bdee969c0e65d4d509932b1d70e3a3b2ffbff6d5 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
dae3c3e8b257cd27d6b35a467a34bf79a6650340
 160328 fail irrelevant
 160361 fail irrelevant
 160392 fail irrelevant
 160418 fail irrelevant
 160448 fail irrelevant
 160477 fail irrelevant
 160501 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
b33cf5bfcb4c941370739dfbbe1532ff508fd29d 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
7b9a3c9f94bcac23c534bc9f42a9e914b433b299 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
e680cc48b7184d3489873d6776f84ba1fc238ced
 160522 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
b33cf5bfcb4c941370739dfbbe1532ff508fd29d 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
7b9a3c9f94bcac23c534bc9f42a9e914b433b299 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
e680cc48b7184d3489873d6776f84ba1fc238ced
 160541 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
b33cf5bfcb4c941370739dfbbe1532ff508fd29d 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
ec2e6e016d24bd429792d08cf607e4c5350dcdaa 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
e680cc48b7184d3489873d6776f84ba1fc238ced
 160563 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
b33cf5bfcb4c941370739dfbbe1532ff508fd29d 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
7993b0f83fe5c3f8555e79781d5d098f99751a94 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
cead8c0d17462f3a1150b5657d3f4eaa88faf1cb
 160619 fail irrelevant
 160632 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
62bad17dcae18f55cb3bdc19909543dfdf928a2b 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
6ee55e1d10c25c2f6bf5ce2084ad2327e17affa5 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
90629587e16e2efdb61da77f25c25fba3c4a5fd7
 160650 fail irrelevant
 160736 fail irrelevant
 160748 fail irrelevant
 160779 fail irrelevant
 160801 fail irrelevant
 160827 fail irrelevant
 160851 fail irrelevant
 160883 fail irrelevant
 160916 fail irrelevant
 160980 fail irrelevant
 161050 fail irrelevant
 161088 fail irrelevant
 161121 fail irrelevant
 161147 fail irrelevant
 161171 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
2ad22420a710dc07e3b644f91a5b55c09c39ecf3 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
8fe9f1f891eff4e37f82622b7480ee748bf4af74 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
264aa183ad85b2779b27d1312724a291259ccc9f
 161191 fail irrelevant
 161210 fail irrelevant
 161232 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
99e7e48cc7117c37fc1c08a741872d0875595796 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
8fe9f1f891eff4e37f82622b7480ee748bf4af74 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
b53173e7cdafb7a318a239d557478fd73734a86a
 161256 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
99e7e48cc7117c37fc1c08a741872d0875595796 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
8fe9f1f891eff4e37f82622b7480ee748bf4af74 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
dd22a64de7e02b48312839a15179528c8f7db5c6
 161276 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
99e7e48cc7117c37fc1c08a741872d0875595796 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
8fe9f1f891eff4e37f82622b7480ee748bf4af74 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
dd22a64de7e02b48312839a15179528c8f7db5c6
 161290 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
99e7e48cc7117c37fc1c08a741872d0875595796 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
8fe9f1f891eff4e37f82622b7480ee748bf4af74 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
dd22a64de7e02b48312839a15179528c8f7db5c6
 161308 fail irrelevant
 161334 fail irrelevant
 161374 pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
4751a48aeb2ab828b0a5cbdc585fd3642967cda1 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
6157b0e19721aadb4c7fdcfe57b2924af6144b14 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
14b95b3b8546db201e7efd0636ae0e215fae98f3
 161376 fail irrelevant
 161378 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
eb07bfb09ef5483ad58ed0eba713f32fb0c909f9 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
f2a9a6c2a86570ccbf8c5c30cbb8bf723168c459 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
dae3c3e8b257cd27d6b35a467a34bf79a6650340
 161379 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
eb07bfb09ef5483ad58ed0eba713f32fb0c909f9 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
8a40754bca14df63c6d2ffe473b68a270dc50679 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
dae3c3e8b257cd27d6b35a467a34bf79a6650340
 161381 pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
9fd7e88c23f6fb056d25fbc3f8e2e7c1a53859d1 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
7286d62d4e259be8cecf3dc2deea80ecc14489a5 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
dae3c3e8b257cd27d6b35a467a34bf79a6650340
 161364 fail irrelevant
 161385 pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
030ba3097a6e7d08b99f8a9d19a322f61409c1f6 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
2255564fd21059960966b47212def9069cb56077 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
21657ad4f01a634beac570c64c0691e51b9cf366
 161390 fail irrelevant
 161391 pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
9fd7e88c23f6fb056d25fbc3f8e2e7c1a53859d1 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
6e71c36557ed41017e634ae392fa80f03ced7fa1 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
dae3c3e8b257cd27d6b35a467a34bf79a6650340
 161394 pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
030ba3097a6e7d08b99f8a9d19a322f61409c1f6 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
fc4a62f65cbd2d5d2c247ed4fbf64a05e6485859 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
21657ad4f01a634beac570c64c0691e51b9cf366
 161396 pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
030ba3097a6e7d08b99f8a9d19a322f61409c1f6 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
8b858f9998a9d59a9a7188f2c5c6ffb99eff6115 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
21657ad4f01a634beac570c64c0691e51b9cf366
 161388 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d3b0d007a135284981fa750612a47234b83976f9 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
b1cffefa1b163bce9aebc3416f562c1d3886eeaa 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
9f6cd4983715cb31f0ea540e6bbb63f799a35d8a
 161399 pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
9fd7e88c23f6fb056d25fbc3f8e2e7c1a53859d1 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
30ca7eddc486646fa19c9619fcf233ceaa65e28c 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
21657ad4f01a634beac570c64c0691e51b9cf366
 161400 pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
4751a48aeb2ab828b0a5cbdc585fd3642967cda1 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
6157b0e19721aadb4c7fdcfe57b2924af6144b14 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
14b95b3b8546db201e7efd0636ae0e215fae98f3
 161402 fail c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d3b0d007a135284981fa750612a47234b83976f9 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
b1cffefa1b163bce9aebc3416f562c1d3886eeaa 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
9f6cd4983715cb31f0ea540e6bbb63f799a35d8a
 161405 pass c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
9fd7e88c23f6fb056d25fbc3f8e2e7c1a53859d1 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
283d845c9164f57f5dba020a4783bb290493802f 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
21657ad4f01a634beac570c64c0691e51b9cf366
Searching for interesting versions
 Result found: flight 160082 (pass), for basis pass
 Result found: flight 161388 (fail), for basis failure (at ancestor ~26)
 Repro found: flight 161400 (pass), for basis pass
 Repro found: flight 161402 (fail), for basis failure
 58 revisions at c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
eb07bfb09ef5483ad58ed0eba713f32fb0c909f9 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
1b507e55f8199eaad99744613823f6929e4d57c6 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
dae3c3e8b257cd27d6b35a467a34bf79a6650340
 72 revisions at c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
eb07bfb09ef5483ad58ed0eba713f32fb0c909f9 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
dc04d25e2f3f7e26f7f97b860992076b5f04afdb 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
dae3c3e8b257cd27d6b35a467a34bf79a6650340
Looking 36 below c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
eb07bfb09ef5483ad58ed0eba713f32fb0c909f9 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
dc04d25e2f3f7e26f7f97b860992076b5f04afdb 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
dae3c3e8b257cd27d6b35a467a34bf79a6650340.
Should test c3038e718a19fc596f7b1baba0f83d5146dc7784 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
a752dd07466c4f0bda5c14d001b096e778a44ad5 
3d273dd05e51e5a1ffba3d98c7437ee84e8f8764 
6e31b3a5c34c6e5be7ef60773e607f189eaa15f3 
b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee 
b4011741e6b39a8fd0ed5aded96c16c45ead5888.
neato: graph is too large for cairo-renderer bitmaps. Scaling by 0.894369 to fit
pnmtopng: 195 colors found
Revision graph left in 
/home/logs/results/bisect/qemu-mainline/test-amd64-amd64-qemuu-nested-intel.debian-hvm-install--l1--l2.{dot,ps,png,html,svg}.
Populating 161408...
Need 161408.test-amd64-amd64-qemuu-nested-intel (like 161388)
Creating 161408.test-amd64-amd64-qemuu-nested-intel (copying from 161388)
Need 161408.build-amd64 (like 161388)
 revision_ovmf=a752dd07466c4f0bda5c14d001b096e778a44ad5
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6e31b3a5c34c6e5be7ef60773e607f189eaa15f3
 revision_seabios=b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee
 revision_xen=b4011741e6b39a8fd0ed5aded96c16c45ead5888
Searching for build-amd64 (like 161388) to reuse...
Can NOT reuse build 160548.build-amd64: /home/logs/logs/160548/build-amd64: No 
such file or directory
Creating 161408.build-amd64 (copying from 161388)
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 runvars (
                    SELECT ? as flight, ? as job, name, val, 'f'
                      FROM bisection_runvars
                                 )
"]
DB conflict (messages above may refer); retrying after 0.0774646006329966...
Populating 161408...
Need 161408.test-amd64-amd64-qemuu-nested-intel (like 161388)
Creating 161408.test-amd64-amd64-qemuu-nested-intel (copying from 161388)
Need 161408.build-amd64 (like 161388)
 revision_ovmf=a752dd07466c4f0bda5c14d001b096e778a44ad5
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6e31b3a5c34c6e5be7ef60773e607f189eaa15f3
 revision_seabios=b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee
 revision_xen=b4011741e6b39a8fd0ed5aded96c16c45ead5888
Searching for build-amd64 (like 161388) to reuse...
Can NOT reuse build 160548.build-amd64: /home/logs/logs/160548/build-amd64: No 
such file or directory
Creating 161408.build-amd64 (copying from 161388)
Need 161408.build-amd64-pvops (like 161388)
 revision_linux=c3038e718a19fc596f7b1baba0f83d5146dc7784
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Searching for build-amd64-pvops (like 161388) to reuse...
Can reuse build-kern 161398.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='161398.build-amd64-pvops', 2='161408', 
3='test-amd64-amd64-qemuu-nested-intel', 4='kernbuildjob']
DB conflict (messages above may refer); retrying after 1.85957580217558...
Populating 161408...
Need 161408.test-amd64-amd64-qemuu-nested-intel (like 161388)
Creating 161408.test-amd64-amd64-qemuu-nested-intel (copying from 161388)
Need 161408.build-amd64 (like 161388)
 revision_ovmf=a752dd07466c4f0bda5c14d001b096e778a44ad5
 revision_qemu=3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
 revision_qemuu=6e31b3a5c34c6e5be7ef60773e607f189eaa15f3
 revision_seabios=b0d61ecef66eb05bd7a4eb7ada88ec5dab06dfee
 revision_xen=b4011741e6b39a8fd0ed5aded96c16c45ead5888
Searching for build-amd64 (like 161388) to reuse...
Can NOT reuse build 160548.build-amd64: /home/logs/logs/160548/build-amd64: No 
such file or directory
Creating 161408.build-amd64 (copying from 161388)
Need 161408.build-amd64-pvops (like 161388)
 revision_linux=c3038e718a19fc596f7b1baba0f83d5146dc7784
 revision_linuxfirmware=c530a75c1e6a472b0eb9558310b518f0dfcd8860
Can reuse build-kern 161398.build-amd64-pvops.
Already created build-amd64
Checking for flail (since 160082)...
Flight 161408 ready to go.