[xen-4.5-testing test] 94670: regressions - FAIL

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

flight 94670 xen-4.5-testing real [real]
http://logs.test-lab.xenproject.org/osstest/logs/94670/

Regressions :-(

Tests which did not succeed and are blocking,
including tests which could not be run:
 test-amd64-amd64-xl-qemuu-winxpsp3 15 guest-localmigrate/x10 fail REGR. vs. 
94570

Regressions which are regarded as allowable (not blocking):
 test-amd64-i386-xl-qemuu-win7-amd64 16 guest-stop              fail like 94543
 test-amd64-amd64-xl-qemuu-win7-amd64 16 guest-stop             fail like 94543
 test-amd64-amd64-xl-rtds      6 xen-boot                     fail   like 94570
 test-amd64-i386-xl-qemut-win7-amd64 16 guest-stop              fail like 94570
 test-amd64-amd64-xl-qemut-win7-amd64 16 guest-stop             fail like 94570
 test-armhf-armhf-xl-rtds     11 guest-start                  fail   like 94570

Tests which did not succeed, but are not blocking:
 test-amd64-amd64-xl-pvh-amd  11 guest-start                  fail   never pass
 test-amd64-amd64-xl-pvh-intel 11 guest-start                  fail  never pass
 test-amd64-i386-libvirt      12 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-arndale  12 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-arndale  13 saverestore-support-check    fail   never pass
 test-amd64-amd64-qemuu-nested-amd 16 debian-hvm-install/l1/l2  fail never pass
 test-armhf-armhf-libvirt     14 guest-saverestore            fail   never pass
 test-armhf-armhf-libvirt     12 migrate-support-check        fail   never pass
 test-amd64-amd64-libvirt     12 migrate-support-check        fail   never pass
 test-amd64-amd64-libvirt-vhd 11 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-vhd      10 guest-start                  fail   never pass
 test-armhf-armhf-libvirt-raw 10 guest-start                  fail   never pass
 test-armhf-armhf-xl          13 saverestore-support-check    fail   never pass
 test-armhf-armhf-xl          12 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-cubietruck 12 migrate-support-check        fail never pass
 test-armhf-armhf-xl-cubietruck 13 saverestore-support-check    fail never pass
 test-armhf-armhf-xl-credit2  12 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-credit2  13 saverestore-support-check    fail   never pass
 test-armhf-armhf-libvirt-qcow2 10 guest-start                  fail never pass
 test-armhf-armhf-xl-multivcpu 13 saverestore-support-check    fail  never pass
 test-armhf-armhf-xl-multivcpu 12 migrate-support-check        fail  never pass

version targeted for testing:
 xen                  ffda547469694ff22b6c8d0bc23436c9b4ce84ec
baseline version:
 xen                  facf1562437fb79c05c5e9f1ba9d33e26535930a

Last test of basis    94570  2016-05-19 02:32:24 Z    2 days
Testing same since    94670  2016-05-21 16:40:27 Z    0 days    1 attempts

------------------------------------------------------------
People who touched revisions under test:
  Julien Grall <julien.grall@xxxxxxx>
  Stefano Stabellini <sstabellini@xxxxxxxxxx>
  Wei Chen <Wei.Chen@xxxxxxx>

jobs:
 build-amd64                                                  pass    
 build-armhf                                                  pass    
 build-i386                                                   pass    
 build-amd64-libvirt                                          pass    
 build-armhf-libvirt                                          pass    
 build-i386-libvirt                                           pass    
 build-amd64-prev                                             pass    
 build-i386-prev                                              pass    
 build-amd64-pvops                                            pass    
 build-armhf-pvops                                            pass    
 build-i386-pvops                                             pass    
 build-amd64-rumpuserxen                                      pass    
 build-i386-rumpuserxen                                       pass    
 test-amd64-amd64-xl                                          pass    
 test-armhf-armhf-xl                                          pass    
 test-amd64-i386-xl                                           pass    
 test-amd64-amd64-qemuu-nested-amd                            fail    
 test-amd64-amd64-xl-pvh-amd                                  fail    
 test-amd64-i386-qemut-rhel6hvm-amd                           pass    
 test-amd64-i386-qemuu-rhel6hvm-amd                           pass    
 test-amd64-amd64-xl-qemut-debianhvm-amd64                    pass    
 test-amd64-i386-xl-qemut-debianhvm-amd64                     pass    
 test-amd64-amd64-xl-qemuu-debianhvm-amd64                    pass    
 test-amd64-i386-xl-qemuu-debianhvm-amd64                     pass    
 test-amd64-i386-freebsd10-amd64                              pass    
 test-amd64-amd64-xl-qemuu-ovmf-amd64                         pass    
 test-amd64-i386-xl-qemuu-ovmf-amd64                          pass    
 test-amd64-amd64-rumpuserxen-amd64                           pass    
 test-amd64-amd64-xl-qemut-win7-amd64                         fail    
 test-amd64-i386-xl-qemut-win7-amd64                          fail    
 test-amd64-amd64-xl-qemuu-win7-amd64                         fail    
 test-amd64-i386-xl-qemuu-win7-amd64                          fail    
 test-armhf-armhf-xl-arndale                                  pass    
 test-amd64-amd64-xl-credit2                                  pass    
 test-armhf-armhf-xl-credit2                                  pass    
 test-armhf-armhf-xl-cubietruck                               pass    
 test-amd64-i386-freebsd10-i386                               pass    
 test-amd64-i386-rumpuserxen-i386                             pass    
 test-amd64-amd64-qemuu-nested-intel                          pass    
 test-amd64-amd64-xl-pvh-intel                                fail    
 test-amd64-i386-qemut-rhel6hvm-intel                         pass    
 test-amd64-i386-qemuu-rhel6hvm-intel                         pass    
 test-amd64-amd64-libvirt                                     pass    
 test-armhf-armhf-libvirt                                     fail    
 test-amd64-i386-libvirt                                      pass    
 test-amd64-amd64-migrupgrade                                 pass    
 test-amd64-i386-migrupgrade                                  pass    
 test-amd64-amd64-xl-multivcpu                                pass    
 test-armhf-armhf-xl-multivcpu                                pass    
 test-amd64-amd64-pair                                        pass    
 test-amd64-i386-pair                                         pass    
 test-amd64-amd64-libvirt-pair                                pass    
 test-amd64-i386-libvirt-pair                                 pass    
 test-amd64-amd64-amd64-pvgrub                                pass    
 test-amd64-amd64-i386-pvgrub                                 pass    
 test-amd64-amd64-pygrub                                      pass    
 test-armhf-armhf-libvirt-qcow2                               fail    
 test-amd64-amd64-xl-qcow2                                    pass    
 test-armhf-armhf-libvirt-raw                                 fail    
 test-amd64-i386-xl-raw                                       pass    
 test-amd64-amd64-xl-rtds                                     fail    
 test-armhf-armhf-xl-rtds                                     fail    
 test-amd64-i386-xl-qemut-winxpsp3-vcpus1                     pass    
 test-amd64-i386-xl-qemuu-winxpsp3-vcpus1                     pass    
 test-amd64-amd64-libvirt-vhd                                 pass    
 test-armhf-armhf-xl-vhd                                      fail    
 test-amd64-amd64-xl-qemut-winxpsp3                           pass    
 test-amd64-i386-xl-qemut-winxpsp3                            pass    
 test-amd64-amd64-xl-qemuu-winxpsp3                           fail    
 test-amd64-i386-xl-qemuu-winxpsp3                            pass    


------------------------------------------------------------
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


Not pushing.

------------------------------------------------------------
commit ffda547469694ff22b6c8d0bc23436c9b4ce84ec
Author: Julien Grall <julien.grall@xxxxxxx>
Date:   Fri May 20 14:37:42 2016 +0100

    xen/arm: p2m: Release the p2m lock before undoing the mappings
    
    Since commit 4b25423a "arch/arm: unmap partially-mapped memory regions",
    Xen has been undoing the P2M mappings when an error occurred during
    insertion or memory allocation.
    
    This is done by calling recursively apply_p2m_changes, however the
    second call is done with the p2m lock taken which will result in a
    deadlock for the current processor.
    
    The p2m lock is here to protect 2 threads modifying concurrently the
    page tables. However, it does not guarantee the ordering of the
    changes. I.e if 2 threads request change on regions that overlaps,
    then the result is undefined.
    
    Therefore it is fine to move the recursive call to undo the changes
    after the lock is released.
    
    Signed-off-by: Julien Grall <julien.grall@xxxxxxx>
    Reviewed-by: Wei Chen <Wei.Chen@xxxxxxx>
    Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
    Tested-by: Wei Chen <Wei.Chen@xxxxxxx>
    Signed-off-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>

commit d4d37391c4f2a1fe522de51f2a86c325f11ba0c3
Author: Julien Grall <julien.grall@xxxxxxx>
Date:   Fri May 20 14:37:41 2016 +0100

    xen/arm: p2m: apply_p2m_changes: Do not undo more than necessary
    
    Since commit 4b25423a "arch/arm: unmap partially-mapped memory regions",
    Xen has been undoing the P2M mappings when an error occurred during
    insertion or memory allocation.
    
    The function apply_p2m_changes can work with region not-aligned to a
    block size (2MB, 1G) or page size (4K). The mapping will be done by
    splitting the region in a set of regions aligned to the size supported
    by the page table.
    
    The mapping of a region could fail when it is not possible to allocate
    memory for an intermediate table (i.e a new or when shattering a block).
    
    When the mapping is undone, the end of the region is computed using the
    base address of the current region and the size of the failing level.
    However the failing level may not be the leaf one, therefore unrelated
    entries will be removed.
    
    Fix it by removing the mapping from the start address up to the last
    region that has been successfully mapped.
    
    Signed-off-by: Julien Grall <julien.grall@xxxxxxx>
    Reviewed-by: Wei Chen <Wei.Chen@xxxxxxx>
    Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
    Signed-off-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
(qemu changes not included)

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