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[xen-4.6-testing bisection] complete test-amd64-i386-xl-qemut-debianhvm-amd64



branch xen-4.6-testing
xenbranch xen-4.6-testing
job test-amd64-i386-xl-qemut-debianhvm-amd64
testid debian-hvm-install

Tree: linux git://xenbits.xen.org/linux-pvops.git
Tree: linuxfirmware git://xenbits.xen.org/osstest/linux-firmware.git
Tree: qemu git://xenbits.xen.org/qemu-xen-traditional.git
Tree: qemuu git://xenbits.xen.org/qemu-xen.git
Tree: xen git://xenbits.xen.org/xen.git

*** Found and reproduced problem changeset ***

  Bug is in tree:  xen git://xenbits.xen.org/xen.git
  Bug introduced:  747df3c055e17fdd5871cce9daa87fff05cf1b8d
  Bug not present: 5ae011e6620fb3fdc1127c84873718ada4589e1c
  Last fail repro: http://logs.test-lab.xenproject.org/osstest/logs/112758/


  commit 747df3c055e17fdd5871cce9daa87fff05cf1b8d
  Author: Jan Beulich <jbeulich@xxxxxxxx>
  Date:   Thu Aug 17 15:13:14 2017 +0200
  
      gnttab: don't use possibly unbounded tail calls
      
      There is no guarantee that the compiler would actually translate them
      to branches instead of calls, so only ones with a known recursion limit
      are okay:
      - __release_grant_for_copy() can call itself only once, as
        __acquire_grant_for_copy() won't permit use of multi-level transitive
        grants,
      - __acquire_grant_for_copy() is fine to call itself with the last
        argument false, as that prevents further recursion,
      - __acquire_grant_for_copy() must not call itself to recover from an
        observed change to the active entry's pin count
      
      This is part of XSA-226.
      
      Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
      Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
      master commit: 999d2ccb7f73408aa22656e1ba2f98b077eaa1c2
      master date: 2017-08-17 14:39:18 +0200


For bisection revision-tuple graph see:
   
http://logs.test-lab.xenproject.org/osstest/results/bisect/xen-4.6-testing/test-amd64-i386-xl-qemut-debianhvm-amd64.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/xen-4.6-testing/test-amd64-i386-xl-qemut-debianhvm-amd64.debian-hvm-install
 --summary-out=tmp/112758.bisection-summary --basis-template=112661 
--blessings=real,real-bisect xen-4.6-testing 
test-amd64-i386-xl-qemut-debianhvm-amd64 debian-hvm-install
Searching for failure / basis pass:
 112717 fail [host=huxelrebe0] / 112661 [host=fiano1] 112648 [host=nocera1] 
111514 [host=italia1] 111492 ok.
Failure / basis pass flights: 112717 / 111492
(tree with no url: minios)
(tree with no url: ovmf)
(tree with no url: seabios)
Tree: linux git://xenbits.xen.org/linux-pvops.git
Tree: linuxfirmware git://xenbits.xen.org/osstest/linux-firmware.git
Tree: qemu git://xenbits.xen.org/qemu-xen-traditional.git
Tree: qemuu git://xenbits.xen.org/qemu-xen.git
Tree: xen git://xenbits.xen.org/xen.git
Latest a97a16f18c4895e41951a44d27af8af0b8f1d897 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
57ca3f4a3092695dd553d3ff4540f5559b1c8fc7 
4e35ab1edd74b7d24b7a4aaebe75fe68222a2f2b 
1ac8162d8323481ea5fb9cf20c5b830c4ffb7aec
Basis pass b65f2f457c49b2cfd7967c34b7a0b04c25587f13 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
57ca3f4a3092695dd553d3ff4540f5559b1c8fc7 
4e35ab1edd74b7d24b7a4aaebe75fe68222a2f2b 
d708b695a36b4fdcd8e48e6fc8e611e010f5280b
Generating revisions with ./adhoc-revtuple-generator  
git://xenbits.xen.org/linux-pvops.git#b65f2f457c49b2cfd7967c34b7a0b04c25587f13-a97a16f18c4895e41951a44d27af8af0b8f1d897
 
git://xenbits.xen.org/osstest/linux-firmware.git#c530a75c1e6a472b0eb9558310b518f0dfcd8860-c530a75c1e6a472b0eb9558310b518f0dfcd8860
 
git://xenbits.xen.org/qemu-xen-traditional.git#57ca3f4a3092695dd553d3ff4540f5559b1c8fc7-57ca3f4a3092695dd553d3ff4540f5559b1c8fc7
 
git://xenbits.xen.org/qemu-xen.git#4e35ab1edd74b7d24b7a4aaebe75fe68222a2f2b-4e35ab1edd74b7d24b7a4aaebe75fe68222a2f2b
 
git://xenbits.xen.org/xen.git#d708b695a36b4fdcd8e48e6fc8e611e010f5280b-1ac8162d8323481ea5fb9cf20c5b830c4ffb7aec
adhoc-revtuple-generator: tree discontiguous: linux-pvops
Loaded 1003 nodes in revision graph
Searching for test results:
 111467 [host=chardonnay1]
 111492 pass b65f2f457c49b2cfd7967c34b7a0b04c25587f13 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
57ca3f4a3092695dd553d3ff4540f5559b1c8fc7 
4e35ab1edd74b7d24b7a4aaebe75fe68222a2f2b 
d708b695a36b4fdcd8e48e6fc8e611e010f5280b
 111514 [host=italia1]
 112661 [host=fiano1]
 112648 [host=nocera1]
 112683 fail irrelevant
 112698 fail a97a16f18c4895e41951a44d27af8af0b8f1d897 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
57ca3f4a3092695dd553d3ff4540f5559b1c8fc7 
4e35ab1edd74b7d24b7a4aaebe75fe68222a2f2b 
1ac8162d8323481ea5fb9cf20c5b830c4ffb7aec
 112748 pass a97a16f18c4895e41951a44d27af8af0b8f1d897 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
57ca3f4a3092695dd553d3ff4540f5559b1c8fc7 
4e35ab1edd74b7d24b7a4aaebe75fe68222a2f2b 
5ae011e6620fb3fdc1127c84873718ada4589e1c
 112753 fail a97a16f18c4895e41951a44d27af8af0b8f1d897 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
57ca3f4a3092695dd553d3ff4540f5559b1c8fc7 
4e35ab1edd74b7d24b7a4aaebe75fe68222a2f2b 
747df3c055e17fdd5871cce9daa87fff05cf1b8d
 112735 pass b65f2f457c49b2cfd7967c34b7a0b04c25587f13 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
57ca3f4a3092695dd553d3ff4540f5559b1c8fc7 
4e35ab1edd74b7d24b7a4aaebe75fe68222a2f2b 
d708b695a36b4fdcd8e48e6fc8e611e010f5280b
 112739 fail a97a16f18c4895e41951a44d27af8af0b8f1d897 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
57ca3f4a3092695dd553d3ff4540f5559b1c8fc7 
4e35ab1edd74b7d24b7a4aaebe75fe68222a2f2b 
1ac8162d8323481ea5fb9cf20c5b830c4ffb7aec
 112740 pass b65f2f457c49b2cfd7967c34b7a0b04c25587f13 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
57ca3f4a3092695dd553d3ff4540f5559b1c8fc7 
4e35ab1edd74b7d24b7a4aaebe75fe68222a2f2b 
5ae011e6620fb3fdc1127c84873718ada4589e1c
 112742 pass a97a16f18c4895e41951a44d27af8af0b8f1d897 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
57ca3f4a3092695dd553d3ff4540f5559b1c8fc7 
4e35ab1edd74b7d24b7a4aaebe75fe68222a2f2b 
5ae011e6620fb3fdc1127c84873718ada4589e1c
 112755 pass a97a16f18c4895e41951a44d27af8af0b8f1d897 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
57ca3f4a3092695dd553d3ff4540f5559b1c8fc7 
4e35ab1edd74b7d24b7a4aaebe75fe68222a2f2b 
5ae011e6620fb3fdc1127c84873718ada4589e1c
 112745 fail a97a16f18c4895e41951a44d27af8af0b8f1d897 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
57ca3f4a3092695dd553d3ff4540f5559b1c8fc7 
4e35ab1edd74b7d24b7a4aaebe75fe68222a2f2b 
747df3c055e17fdd5871cce9daa87fff05cf1b8d
 112717 fail a97a16f18c4895e41951a44d27af8af0b8f1d897 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
57ca3f4a3092695dd553d3ff4540f5559b1c8fc7 
4e35ab1edd74b7d24b7a4aaebe75fe68222a2f2b 
1ac8162d8323481ea5fb9cf20c5b830c4ffb7aec
 112758 fail a97a16f18c4895e41951a44d27af8af0b8f1d897 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
57ca3f4a3092695dd553d3ff4540f5559b1c8fc7 
4e35ab1edd74b7d24b7a4aaebe75fe68222a2f2b 
747df3c055e17fdd5871cce9daa87fff05cf1b8d
Searching for interesting versions
 Result found: flight 111492 (pass), for basis pass
 Result found: flight 112698 (fail), for basis failure
 Repro found: flight 112735 (pass), for basis pass
 Repro found: flight 112739 (fail), for basis failure
 0 revisions at a97a16f18c4895e41951a44d27af8af0b8f1d897 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
57ca3f4a3092695dd553d3ff4540f5559b1c8fc7 
4e35ab1edd74b7d24b7a4aaebe75fe68222a2f2b 
5ae011e6620fb3fdc1127c84873718ada4589e1c
No revisions left to test, checking graph state.
 Result found: flight 112742 (pass), for last pass
 Result found: flight 112745 (fail), for first failure
 Repro found: flight 112748 (pass), for last pass
 Repro found: flight 112753 (fail), for first failure
 Repro found: flight 112755 (pass), for last pass
 Repro found: flight 112758 (fail), for first failure

*** Found and reproduced problem changeset ***

  Bug is in tree:  xen git://xenbits.xen.org/xen.git
  Bug introduced:  747df3c055e17fdd5871cce9daa87fff05cf1b8d
  Bug not present: 5ae011e6620fb3fdc1127c84873718ada4589e1c
  Last fail repro: http://logs.test-lab.xenproject.org/osstest/logs/112758/


  commit 747df3c055e17fdd5871cce9daa87fff05cf1b8d
  Author: Jan Beulich <jbeulich@xxxxxxxx>
  Date:   Thu Aug 17 15:13:14 2017 +0200
  
      gnttab: don't use possibly unbounded tail calls
      
      There is no guarantee that the compiler would actually translate them
      to branches instead of calls, so only ones with a known recursion limit
      are okay:
      - __release_grant_for_copy() can call itself only once, as
        __acquire_grant_for_copy() won't permit use of multi-level transitive
        grants,
      - __acquire_grant_for_copy() is fine to call itself with the last
        argument false, as that prevents further recursion,
      - __acquire_grant_for_copy() must not call itself to recover from an
        observed change to the active entry's pin count
      
      This is part of XSA-226.
      
      Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
      Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
      master commit: 999d2ccb7f73408aa22656e1ba2f98b077eaa1c2
      master date: 2017-08-17 14:39:18 +0200

Revision graph left in 
/home/logs/results/bisect/xen-4.6-testing/test-amd64-i386-xl-qemut-debianhvm-amd64.debian-hvm-install.{dot,ps,png,html,svg}.
----------------------------------------
112758: tolerable ALL FAIL

flight 112758 xen-4.6-testing real-bisect [real]
http://logs.test-lab.xenproject.org/osstest/logs/112758/

Failures :-/ but no regressions.

Tests which did not succeed,
including tests which could not be run:
 test-amd64-i386-xl-qemut-debianhvm-amd64 10 debian-hvm-install fail baseline 
untested


jobs:
 test-amd64-i386-xl-qemut-debianhvm-amd64                     fail    


------------------------------------------------------------
sg-report-flight on osstest.test-lab.xenproject.org
logs: /home/logs/logs
images: /home/logs/images

Logs, config files, etc. are available at
    http://logs.test-lab.xenproject.org/osstest/logs

Explanation of these reports, and of osstest in general, is at
    http://xenbits.xen.org/gitweb/?p=osstest.git;a=blob;f=README.email;hb=master
    http://xenbits.xen.org/gitweb/?p=osstest.git;a=blob;f=README;hb=master

Test harness code can be found at
    http://xenbits.xen.org/gitweb?p=osstest.git;a=summary


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