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[xen-4.7-testing test] 100770: regressions - trouble: blocked/broken/fail/pass

flight 100770 xen-4.7-testing real [real]

Regressions :-(

Tests which did not succeed and are blocking,
including tests which could not be run:
 test-armhf-armhf-libvirt      3 host-install(3)        broken REGR. vs. 100635
 test-amd64-amd64-i386-pvgrub  9 debian-di-install        fail REGR. vs. 100635
 test-amd64-amd64-qemuu-nested-intel 12 xen-install/l1    fail REGR. vs. 100635
 test-amd64-i386-xl-qemut-debianhvm-amd64 15 guest-localmigrate/x10 fail REGR. 
vs. 100635
 test-amd64-i386-qemuu-rhel6hvm-amd 11 guest-start/redhat.repeat fail REGR. vs. 
 test-amd64-i386-xl-qemut-winxpsp3 15 guest-localmigrate/x10 fail REGR. vs. 
 test-amd64-i386-xl-raw      18 guest-start/debian.repeat fail REGR. vs. 100635

Regressions which are regarded as allowable (not blocking):
 test-amd64-i386-xl-qemut-win7-amd64 16 guest-stop             fail like 100635
 test-amd64-i386-xl-qemuu-win7-amd64 16 guest-stop             fail like 100635
 test-amd64-amd64-xl-rtds      9 debian-install               fail  like 100635

Tests which did not succeed, but are not blocking:
 test-amd64-amd64-rumprun-amd64  1 build-check(1)               blocked  n/a
 test-amd64-i386-rumprun-i386  1 build-check(1)               blocked  n/a
 build-i386-rumprun            5 rumprun-build                fail   never pass
 build-amd64-rumprun           5 rumprun-build                fail   never pass
 test-amd64-amd64-xl-pvh-intel 11 guest-start                  fail  never pass
 test-amd64-amd64-libvirt     12 migrate-support-check        fail   never pass
 test-amd64-amd64-libvirt-xsm 12 migrate-support-check        fail   never pass
 test-amd64-amd64-xl-pvh-amd  11 guest-start                  fail   never pass
 test-amd64-i386-libvirt-xsm  12 migrate-support-check        fail   never pass
 test-amd64-i386-libvirt      12 migrate-support-check        fail   never pass
 test-amd64-amd64-libvirt-qemuu-debianhvm-amd64-xsm 10 migrate-support-check 
fail never pass
 test-amd64-i386-libvirt-qemuu-debianhvm-amd64-xsm 10 migrate-support-check 
fail never pass
 test-amd64-amd64-libvirt-vhd 11 migrate-support-check        fail   never pass
 test-armhf-armhf-libvirt-xsm 12 migrate-support-check        fail   never pass
 test-armhf-armhf-libvirt-xsm 14 guest-saverestore            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-xl          12 migrate-support-check        fail   never pass
 test-armhf-armhf-xl          13 saverestore-support-check    fail   never pass
 test-armhf-armhf-xl-credit2  12 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-multivcpu 12 migrate-support-check        fail  never pass
 test-armhf-armhf-xl-credit2  13 saverestore-support-check    fail   never pass
 test-armhf-armhf-xl-multivcpu 13 saverestore-support-check    fail  never pass
 test-armhf-armhf-xl-cubietruck 12 migrate-support-check        fail never pass
 test-armhf-armhf-xl-xsm      12 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-cubietruck 13 saverestore-support-check    fail never pass
 test-armhf-armhf-xl-xsm      13 saverestore-support-check    fail   never pass
 test-amd64-amd64-xl-qemut-win7-amd64 16 guest-stop             fail never pass
 test-armhf-armhf-libvirt-qcow2 11 migrate-support-check        fail never pass
 test-armhf-armhf-libvirt-qcow2 13 guest-saverestore            fail never pass
 test-armhf-armhf-libvirt-raw 11 migrate-support-check        fail   never pass
 test-armhf-armhf-libvirt-raw 13 guest-saverestore            fail   never pass
 test-armhf-armhf-xl-vhd      11 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-vhd      12 saverestore-support-check    fail   never pass
 test-armhf-armhf-xl-rtds     12 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-rtds     13 saverestore-support-check    fail   never pass

version targeted for testing:
 xen                  dbeb5da648b146339ec49375f2759263fe7ccdc2
baseline version:
 xen                  80bc4350bbd13b6c34371f4ff8b8199674906df6

Last test of basis   100635  2016-08-26 14:15:15 Z   11 days
Testing same since   100770  2016-09-06 13:09:07 Z    0 days    1 attempts

People who touched revisions under test:
  Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  Dario Faggioli <dario.faggioli@xxxxxxxxxx>
  Feng Wu <feng.wu@xxxxxxxxx>
  Jan Beulich <jbeulich@xxxxxxxx>
  Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>
  Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx>

 build-amd64-xsm                                              pass    
 build-armhf-xsm                                              pass    
 build-i386-xsm                                               pass    
 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-rumprun                                          fail    
 build-i386-rumprun                                           fail    
 test-amd64-amd64-xl                                          pass    
 test-armhf-armhf-xl                                          pass    
 test-amd64-i386-xl                                           pass    
 test-amd64-amd64-xl-qemut-debianhvm-amd64-xsm                pass    
 test-amd64-i386-xl-qemut-debianhvm-amd64-xsm                 pass    
 test-amd64-amd64-libvirt-qemuu-debianhvm-amd64-xsm           pass    
 test-amd64-i386-libvirt-qemuu-debianhvm-amd64-xsm            pass    
 test-amd64-amd64-xl-qemuu-debianhvm-amd64-xsm                pass    
 test-amd64-i386-xl-qemuu-debianhvm-amd64-xsm                 pass    
 test-amd64-amd64-xl-qemut-stubdom-debianhvm-amd64-xsm        pass    
 test-amd64-i386-xl-qemut-stubdom-debianhvm-amd64-xsm         pass    
 test-amd64-amd64-libvirt-xsm                                 pass    
 test-armhf-armhf-libvirt-xsm                                 fail    
 test-amd64-i386-libvirt-xsm                                  pass    
 test-amd64-amd64-xl-xsm                                      pass    
 test-armhf-armhf-xl-xsm                                      pass    
 test-amd64-i386-xl-xsm                                       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                           fail    
 test-amd64-amd64-xl-qemut-debianhvm-amd64                    pass    
 test-amd64-i386-xl-qemut-debianhvm-amd64                     fail    
 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-rumprun-amd64                               blocked 
 test-amd64-amd64-xl-qemut-win7-amd64                         fail    
 test-amd64-i386-xl-qemut-win7-amd64                          fail    
 test-amd64-amd64-xl-qemuu-win7-amd64                         pass    
 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-rumprun-i386                                 blocked 
 test-amd64-amd64-qemuu-nested-intel                          fail    
 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                                     broken  
 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                                 fail    
 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                                       fail    
 test-amd64-amd64-xl-rtds                                     fail    
 test-armhf-armhf-xl-rtds                                     pass    
 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                                      pass    
 test-amd64-amd64-xl-qemut-winxpsp3                           pass    
 test-amd64-i386-xl-qemut-winxpsp3                            fail    
 test-amd64-amd64-xl-qemuu-winxpsp3                           pass    
 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

Explanation of these reports, and of osstest in general, is at

Test harness code can be found at

broken-step test-armhf-armhf-libvirt host-install(3)

Not pushing.

commit dbeb5da648b146339ec49375f2759263fe7ccdc2
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Tue Sep 6 11:44:24 2016 +0200

    memory: fix compat handling of XENMEM_access_op
    Within compat_memory_op() this needs to be placed in the first switch()
    statement, or it ends up being dead code (as that first switch() has a
    default case chaining to compat_arch_memory_op()).
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Tested-by: Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    master commit: 8d6af808a7e9d9ae1d129e1e5a0def7f8b2333ee
    master date: 2016-09-02 14:19:51 +0200

commit 9d2ede8018e6776b3f8e9b51611e2663316710de
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Tue Sep 6 11:44:00 2016 +0200

    x86/PV: make PMU MSR handling consistent
    So far accesses to Intel MSRs on an AMD system fall through to the
    default case, while accesses to AMD MSRs on an Intel system bail (in
    the RDMSR case without updating EAX and EDX). Make the "AMD MSRs on
    Intel" case match the "Intel MSR on AMD" one.
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    master commit: bea64b3ed25864b90a41e1ca6eeb5a58895bb751
    master date: 2016-09-02 14:19:29 +0200

commit ba1f4a4e7420c3d9e9c2834b2cb2e4c1a068915c
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Tue Sep 6 11:43:33 2016 +0200

    x86: correct PT_NOTE file position
    Program and section headers disagreed about the file offset at which
    the build ID note lives.
    Reported-by: Sylvain Munaut <s.munaut@xxxxxxxxxxxxxxxxxxxx>
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    master commit: f8f185dc4359a1cd8e7896dfbcacb54b473436c8
    master date: 2016-09-02 14:18:52 +0200

commit 4f610f2beb9c3cdcd3f21b67c2b53cfde3b3c454
Author: Dario Faggioli <dario.faggioli@xxxxxxxxxx>
Date:   Tue Sep 6 11:43:09 2016 +0200

    credit1: fix a race when picking initial pCPU for a vCPU
    In the Credit1 hunk of 9f358ddd69463 ("xen: Have
    schedulers revise initial placement") csched_cpu_pick()
    is called without taking the runqueue lock of the
    (temporary) pCPU that the vCPU has been assigned to
    (e.g., in XEN_DOMCTL_max_vcpus).
    However, although 'hidden' in the IS_RUNQ_IDLE() macro,
    that function does access the runq (for doing load
    balancing calculations). Two scenarios are possible:
     1) we are on cpu X, and IS_RUNQ_IDLE() peeks at cpu's
        X own runq;
     2) we are on cpu X, but IS_RUNQ_IDLE() peeks at some
        other cpu's runq.
    Scenario 2) absolutely requies that the appropriate
    runq lock is taken. Scenario 1) works even without
    taking the cpu's own runq lock. That is actually what
    happens when when _csched_pick_cpu() is called from
    csched_vcpu_acct() (in turn, called by csched_tick()).
    Races have been observed and reported (by both XenServer
    own testing and OSSTest [1]), in the form of
    IS_RUNQ_IDLE() falling over LIST_POISON, because we're
    not currently holding the proper lock, in
    csched_vcpu_insert(), when scenario 1) occurs.
    However, for better robustness, from now on we always
    ask for the proper runq lock to be held when calling
    IS_RUNQ_IDLE() (which is also becoming a static inline
    function instead of macro).
    In order to comply with that, we take the lock around
    the call to _csched_cpu_pick() in csched_vcpu_acct().
    [1] https://lists.xen.org/archives/html/xen-devel/2016-08/msg02144.html
    Reported-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Signed-off-by: Dario Faggioli <dario.faggioli@xxxxxxxxxx>
    Reviewed-by: George Dunlap <george.dunlap@xxxxxxxxxx>
    master commit: 9109bf55084398c4547b8956906410c158eb9a17
    master date: 2016-09-02 14:17:55 +0200

commit 7743e91b9dc927ab1c573167af67d5dfd71036db
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Tue Sep 6 11:42:38 2016 +0200

    x86/32on64: misc adjustments to call gate emulation
    - There's no 32-bit displacement in 16-bit addressing mode.
    - It is wrong to ASSERT() anything on parts of an instruction fetched
      from guest memory.
    - The two scaling bits of a SIB byte don't affect whether there is a
      scaled index register or not.
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    master commit: ee1cc4bfdca84d526805c4c72302c026f5e9cd94
    master date: 2016-09-01 15:23:46 +0200

commit 93429d20085d76b6190d81b192489dbf6c366473
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Tue Sep 6 11:42:12 2016 +0200

    x86/levelling: Provide architectural OSXSAVE handling to masked native CPUID
    Contrary to c/s b2507fe7 "x86/domctl: Update PV domain cpumasks when setting
    cpuid policy", Intel CPUID masks are applied after fast forwarding hardware
    state, rather than before.  (All behaviour in this regard appears completely
    undocumented by both Intel and AMD).
    Therefore, a set bit in the MSR causes hardware to be fast-forwarded, while 
    clear bit forces the guests view to 0, even if Xen's CR4.OSXSAVE is actually
    This allows Xen to provide an architectural view of a guest kernels
    CR4.OSXSAVE setting to any native CPUID instruction issused by guest kernel 
    userspace, even when masking is used.
    The masking value defaults to 1 (if the guest has XSAVE available) to cause
    fast-forwarding to occur for the HVM and idle vcpus.
    When setting the MSRs, a PV guest kernel's choice of OXSAVE is taken into
    account, and clobbered from the MSR if not set.  This causes the
    fast-forwarding of Xen's CR4 state not to happen.
    As a side effect however, levelling potentially need updating on all PV CR4
    Reported-by: Jan Beulich <JBeulich@xxxxxxxx>
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    x86/levelling: fix breakage on older Intel boxes from c/s 08e7738
    cpufeat_mask() yields an unsigned integer constant.  As a result, taking its
    complement causes zero extention rather than sign extention.
    The result is that, when a guest OS has OXSAVE disabled, all features in 1d
    are hidden from native CPUID.  Amongst other things, this causes the early
    code in Linux to find no LAPIC, but for everything to appear fine later when
    userspace is up and running.
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Tested-by: Jan Beulich <jbeulich@xxxxxxxx>
    master commit: 08e7738ec3644350fbac0325085baac6b3c7cd11
    master date: 2016-09-01 11:41:07 +0100
    master commit: 1461504ce3c414fc5dc717ce16f039d0742b455a
    master date: 2016-09-02 08:12:29 +0200

commit b80d7eb860f6ed4387b18fa887a225c73a67da4f
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Tue Sep 6 11:41:33 2016 +0200

    x86/levelling: Pass a vcpu rather than a domain to ctxt_switch_levelling()
    A subsequent change needs to special-case OSXSAVE handling, which is 
    rather than per-domain.
    No functional change.
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    master commit: 33b23e5ab319a6bf9bfd38c4d9268fa6d9d072c6
    master date: 2016-09-01 11:41:05 +0100

commit fb87d0266629e9b8a56f968bc014365d0b220b84
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Tue Sep 6 11:41:05 2016 +0200

    x86/levelling: Restrict non-architectural OSXSAVE handling to emulated CPUID
    There is no need to extend the workaround to the faulted CPUID view, as
    Linux's dependence on the workaround is stricly via the emulated view.
    This causes a guest kernel faulted CPUID to observe architectural behaviour
    with respect to its CR4.OSXSAVE setting.
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    master commit: 3b7cac5232012e167b284aba738fef1eceda33f8
    master date: 2016-09-01 11:41:03 +0100

commit ed48c80f9fef4a14fba7c52ea780374dcb1e3212
Author: Feng Wu <feng.wu@xxxxxxxxx>
Date:   Tue Sep 6 11:40:36 2016 +0200

    passthrough: fix a BUG_ON issue
    The 'idx' can equal to the max number of vCPUs, fix it.
    Signed-off-by: Feng Wu <feng.wu@xxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
    master commit: f164d498810560322c9f3a3f801eace6ebc6c9e1
    master date: 2016-08-31 18:13:47 +0200

commit dbaf2c89d4083c26387ae34cde9c61464321cb30
Author: Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx>
Date:   Tue Sep 6 11:39:35 2016 +0200

    x86/HVM: add guarding logic for VMX specific code
    The struct hvm_domain.vmx is defined in a union along with the svm.
    This can causes issue for SVM since this code is used in the common
    scheduling code for x86. The logic must check for cpu_has_vmx before
    accessing the hvm_domain.vmx sturcture.
    Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
    master commit: 81caac0cd0f56b0052a7884e6bd99e3a652ddd59
    master date: 2016-08-29 16:05:31 +0200
(qemu changes not included)

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