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[Xen-devel] [xen-4.1-testing bisection] complete test-amd64-amd64-xl



branch xen-4.1-testing
xen branch xen-4.1-testing
job test-amd64-amd64-xl
test leak-check/check

Tree: linux git://xenbits.xen.org/linux-pvops.git
Tree: qemu git://xenbits.xen.org/staging/qemu-xen-4.1-testing.git
Tree: xen http://xenbits.xen.org/hg/staging/xen-4.1-testing.hg

*** Found and reproduced problem changeset ***

  Bug is in tree:  xen http://xenbits.xen.org/hg/staging/xen-4.1-testing.hg
  Bug introduced:  93e17b0cd035
  Bug not present: 255a0b6a8104


  changeset:   23428:93e17b0cd035
  tag:         tip
  user:        Greg Wettstein <greg@xxxxxxxxxxxx>
  date:        Thu Dec 13 14:35:58 2012 +0000
      
      libxl: avoid blktap2 deadlock on cleanup
      
      Establishes correct cleanup behavior for blktap devices.  This patch
      implements the release of the backend device before calling for
      the destruction of the userspace component of the blktap device.
      
      Without this patch the kernel xen-blkback driver deadlocks with
      the blktap2 user control plane until the IPC channel is terminated by the
      timeout on the select() call.  This results in a noticeable delay
      in the termination of the guest and causes the blktap minor
      number which had been allocated to be orphaned.
      
      Signed-off-by: Greg Wettstein <greg@xxxxxxxxxxxx>
      Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
      Signed-off-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
      Committed-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
      
      


For bisection revision-tuple graph see:
   
http://www.chiark.greenend.org.uk/~xensrcts/results/bisect.xen-4.1-testing.test-amd64-amd64-xl.leak-check--check.html
Revision IDs in each graph node refer, respectively, to the Trees above.

----------------------------------------
Searching for failure / basis pass:
 14699 fail [host=fire-frog] / 14679 [host=potato-beetle] 14677 
[host=gall-mite] 14675 [host=leaf-beetle] 14662 [host=field-cricket] 14566 
[host=gall-mite] 14562 [host=field-cricket] 14484 [host=earwig] 14419 ok.
Failure / basis pass flights: 14699 / 14419
Tree: linux git://xenbits.xen.org/linux-pvops.git
Tree: qemu git://xenbits.xen.org/staging/qemu-xen-4.1-testing.git
Tree: xen http://xenbits.xen.org/hg/staging/xen-4.1-testing.hg
Latest a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 93e17b0cd035
Basis pass a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 5639047d6c9f
Generating revisions with ./adhoc-revtuple-generator  
git://xenbits.xen.org/linux-pvops.git#a938a246d34912423c560f475ccf1ce0c71d9d00-a938a246d34912423c560f475ccf1ce0c71d9d00
 
git://xenbits.xen.org/staging/qemu-xen-4.1-testing.git#b36c42985575cd6d761d39e5770e57a1f52832ae-b36c42985575cd6d761d39e5770e57a1f52832ae
 http://xenbits.xen.org/hg/staging/xen-4.1-testing.hg#5639047d6c9f-93e17b0cd035
pulling from ssh://xen@xxxxxxxxxxxxxxx/HG/staging/xen-4.1-testing.hg
searching for changes
no changes found
pulling from ssh://xen@xxxxxxxxxxxxxxx/HG/staging/xen-4.1-testing.hg
searching for changes
no changes found
Loaded 1001 nodes in revision graph
Searching for test results:
 14419 pass a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 5639047d6c9f
 14484 [host=earwig]
 14562 [host=field-cricket]
 14566 [host=gall-mite]
 14684 fail a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 93e17b0cd035
 14677 [host=gall-mite]
 14662 [host=field-cricket]
 14695 pass a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae a8a9e1c126ea
 14675 [host=leaf-beetle]
 14679 [host=potato-beetle]
 14691 pass a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 5639047d6c9f
 14692 fail a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 93e17b0cd035
 14689 fail a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 93e17b0cd035
 14696 pass a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 0125069bc1b2
 14698 pass a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae a866cc5b8235
 14700 pass a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 255a0b6a8104
 14702 fail a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 93e17b0cd035
 14703 pass a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 255a0b6a8104
 14704 fail a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 93e17b0cd035
 14699 fail a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 93e17b0cd035
 14705 pass a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 255a0b6a8104
 14707 fail a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 93e17b0cd035
Searching for interesting versions
 Result found: flight 14419 (pass), for basis pass
 Result found: flight 14684 (fail), for basis failure
 Repro found: flight 14691 (pass), for basis pass
 Repro found: flight 14692 (fail), for basis failure
 0 revisions at a938a246d34912423c560f475ccf1ce0c71d9d00 
b36c42985575cd6d761d39e5770e57a1f52832ae 255a0b6a8104
No revisions left to test, checking graph state.
 Result found: flight 14700 (pass), for last pass
 Result found: flight 14702 (fail), for first failure
 Repro found: flight 14703 (pass), for last pass
 Repro found: flight 14704 (fail), for first failure
 Repro found: flight 14705 (pass), for last pass
 Repro found: flight 14707 (fail), for first failure

*** Found and reproduced problem changeset ***

  Bug is in tree:  xen http://xenbits.xen.org/hg/staging/xen-4.1-testing.hg
  Bug introduced:  93e17b0cd035
  Bug not present: 255a0b6a8104

pulling from ssh://xen@xxxxxxxxxxxxxxx/HG/staging/xen-4.1-testing.hg
searching for changes
no changes found

  changeset:   23428:93e17b0cd035
  tag:         tip
  user:        Greg Wettstein <greg@xxxxxxxxxxxx>
  date:        Thu Dec 13 14:35:58 2012 +0000
      
      libxl: avoid blktap2 deadlock on cleanup
      
      Establishes correct cleanup behavior for blktap devices.  This patch
      implements the release of the backend device before calling for
      the destruction of the userspace component of the blktap device.
      
      Without this patch the kernel xen-blkback driver deadlocks with
      the blktap2 user control plane until the IPC channel is terminated by the
      timeout on the select() call.  This results in a noticeable delay
      in the termination of the guest and causes the blktap minor
      number which had been allocated to be orphaned.
      
      Signed-off-by: Greg Wettstein <greg@xxxxxxxxxxxx>
      Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
      Signed-off-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
      Committed-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
      
      

Revision graph left in 
/home/xc_osstest/results/bisect.xen-4.1-testing.test-amd64-amd64-xl.leak-check--check.{dot,ps,png,html}.
----------------------------------------
14707: tolerable ALL FAIL

flight 14707 xen-4.1-testing real-bisect [real]
http://www.chiark.greenend.org.uk/~xensrcts/logs/14707/

Failures :-/ but no regressions.

Tests which did not succeed,
including tests which could not be run:
 test-amd64-amd64-xl          18 leak-check/check        fail baseline untested


jobs:
 test-amd64-amd64-xl                                          fail    


------------------------------------------------------------
sg-report-flight on woking.cam.xci-test.com
logs: /home/xc_osstest/logs
images: /home/xc_osstest/images

Logs, config files, etc. are available at
    http://www.chiark.greenend.org.uk/~xensrcts/logs

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


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