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@enjellic.com>
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@enjellic.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
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@xenbits.xen.org/HG/staging/xen-4.1-testing.hg
searching for changes
no changes found
pulling from ssh://xen@xenbits.xen.org/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@xenbits.xen.org/HG/staging/xen-4.1-testing.hg
searching for changes
no changes found
changeset: 23428:93e17b0cd035
tag: tip
user: Greg Wettstein <greg@enjellic.com>
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@enjellic.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
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