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[Xen-devel] [xen-unstable test] 106937: regressions - FAIL



flight 106937 xen-unstable real [real]
http://logs.test-lab.xenproject.org/osstest/logs/106937/

Regressions :-(

Tests which did not succeed and are blocking,
including tests which could not be run:
 test-armhf-armhf-libvirt-raw  6 xen-boot                 fail REGR. vs. 106928
 test-armhf-armhf-xl-credit2 15 guest-start/debian.repeat fail REGR. vs. 106928

Regressions which are regarded as allowable (not blocking):
 test-armhf-armhf-libvirt     13 saverestore-support-check    fail  like 106928
 test-armhf-armhf-libvirt-xsm 13 saverestore-support-check    fail  like 106928
 test-amd64-amd64-xl-qemut-win7-amd64 16 guest-stop            fail like 106928
 test-amd64-i386-xl-qemuu-win7-amd64 16 guest-stop             fail like 106928
 test-amd64-i386-xl-qemut-win7-amd64 16 guest-stop             fail like 106928
 test-amd64-amd64-xl-qemuu-win7-amd64 16 guest-stop            fail like 106928
 test-amd64-amd64-xl-rtds      9 debian-install               fail  like 106928

Tests which did not succeed, but are not blocking:
 test-arm64-arm64-libvirt-xsm  1 build-check(1)               blocked  n/a
 test-arm64-arm64-xl           1 build-check(1)               blocked  n/a
 build-arm64-libvirt           1 build-check(1)               blocked  n/a
 test-arm64-arm64-libvirt-qcow2  1 build-check(1)               blocked  n/a
 test-arm64-arm64-libvirt      1 build-check(1)               blocked  n/a
 test-arm64-arm64-xl-credit2   1 build-check(1)               blocked  n/a
 test-arm64-arm64-xl-rtds      1 build-check(1)               blocked  n/a
 test-arm64-arm64-xl-multivcpu  1 build-check(1)               blocked  n/a
 test-arm64-arm64-xl-xsm       1 build-check(1)               blocked  n/a
 test-amd64-i386-libvirt      12 migrate-support-check        fail   never pass
 test-amd64-i386-libvirt-xsm  12 migrate-support-check        fail   never pass
 test-amd64-amd64-libvirt     12 migrate-support-check        fail   never pass
 build-arm64                   5 xen-build                    fail   never pass
 build-arm64-xsm               5 xen-build                    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
 build-arm64-pvops             5 kernel-build                 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-libvirt-vhd 11 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-xsm      12 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-xsm      13 saverestore-support-check    fail   never pass
 test-armhf-armhf-libvirt     12 migrate-support-check        fail   never pass
 test-amd64-amd64-qemuu-nested-amd 16 debian-hvm-install/l1/l2  fail never pass
 test-armhf-armhf-xl-multivcpu 12 migrate-support-check        fail  never pass
 test-armhf-armhf-libvirt-xsm 12 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-multivcpu 13 saverestore-support-check    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-credit2  13 saverestore-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-amd64-amd64-libvirt-xsm 12 migrate-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
 test-armhf-armhf-xl-vhd      11 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-vhd      12 saverestore-support-check    fail   never pass

version targeted for testing:
 xen                  d8868bff6c3f569658e0ba14cdc4cf1891862ee1
baseline version:
 xen                  5b08f85689a8479f947be74563fe993875b9caa9

Last test of basis   106928  2017-03-27 01:59:35 Z    0 days
Testing same since   106937  2017-03-27 13:14:13 Z    0 days    1 attempts

------------------------------------------------------------
People who touched revisions under test:
  Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  Tim Deegan <tim@xxxxxxx>

jobs:
 build-amd64-xsm                                              pass    
 build-arm64-xsm                                              fail    
 build-armhf-xsm                                              pass    
 build-i386-xsm                                               pass    
 build-amd64-xtf                                              pass    
 build-amd64                                                  pass    
 build-arm64                                                  fail    
 build-armhf                                                  pass    
 build-i386                                                   pass    
 build-amd64-libvirt                                          pass    
 build-arm64-libvirt                                          blocked 
 build-armhf-libvirt                                          pass    
 build-i386-libvirt                                           pass    
 build-amd64-oldkern                                          pass    
 build-i386-oldkern                                           pass    
 build-amd64-prev                                             pass    
 build-i386-prev                                              pass    
 build-amd64-pvops                                            pass    
 build-arm64-pvops                                            fail    
 build-armhf-pvops                                            pass    
 build-i386-pvops                                             pass    
 build-amd64-rumprun                                          pass    
 build-i386-rumprun                                           pass    
 test-xtf-amd64-amd64-1                                       pass    
 test-xtf-amd64-amd64-2                                       pass    
 test-xtf-amd64-amd64-3                                       pass    
 test-xtf-amd64-amd64-4                                       pass    
 test-xtf-amd64-amd64-5                                       pass    
 test-amd64-amd64-xl                                          pass    
 test-arm64-arm64-xl                                          blocked 
 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-arm64-arm64-libvirt-xsm                                 blocked 
 test-armhf-armhf-libvirt-xsm                                 pass    
 test-amd64-i386-libvirt-xsm                                  pass    
 test-amd64-amd64-xl-xsm                                      pass    
 test-arm64-arm64-xl-xsm                                      blocked 
 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                                  pass    
 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-rumprun-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-arm64-arm64-xl-credit2                                  blocked 
 test-armhf-armhf-xl-credit2                                  fail    
 test-armhf-armhf-xl-cubietruck                               pass    
 test-amd64-i386-freebsd10-i386                               pass    
 test-amd64-i386-rumprun-i386                                 pass    
 test-amd64-amd64-qemuu-nested-intel                          pass    
 test-amd64-amd64-xl-pvh-intel                                pass    
 test-amd64-i386-qemut-rhel6hvm-intel                         pass    
 test-amd64-i386-qemuu-rhel6hvm-intel                         pass    
 test-amd64-amd64-libvirt                                     pass    
 test-arm64-arm64-libvirt                                     blocked 
 test-armhf-armhf-libvirt                                     pass    
 test-amd64-i386-libvirt                                      pass    
 test-amd64-amd64-migrupgrade                                 pass    
 test-amd64-i386-migrupgrade                                  pass    
 test-amd64-amd64-xl-multivcpu                                pass    
 test-arm64-arm64-xl-multivcpu                                blocked 
 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-arm64-arm64-libvirt-qcow2                               blocked 
 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-arm64-arm64-xl-rtds                                     blocked 
 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                            pass    
 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
    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 d8868bff6c3f569658e0ba14cdc4cf1891862ee1
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Thu Mar 2 17:45:47 2017 +0000

    x86/pagewalk: non-functional cleanup
    
     * Drop trailing whitespace
     * Consistently apply Xen style
     * Introduce a local variable block
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Tim Deegan <tim@xxxxxxx>

commit d9d0dd10794588c7f9a97f21b75916b6fa48630e
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Thu Mar 2 18:07:33 2017 +0000

    x86/pagewalk: Improve the logic behind setting access and dirty bits
    
    The boolean pse2M is misnamed, because it might refer to a 4M superpage.
    
    Switch the logic to be in terms of the level of the leaf entry, and 
rearrange
    the calls to set_ad_bits() to be a fallthrough switch statement, to make it
    easier to follow.
    
    Alter set_ad_bits() to take properly typed pointers and booleans rather than
    integers.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Tim Deegan <tim@xxxxxxx>

commit f9964cae8c3ee1c486f14022163e72e2ffd9fe04
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Tue Jul 5 10:40:21 2016 +0100

    x86/shadow: Use the pagewalk reserved bits helpers
    
    The shadow logic should not create a valid/present shadow of a guest PTE 
which
    contains reserved bits from the guests point of view.  It is not guaranteed
    that the hardware pagewalk will come to the same conclusion, and raise a
    pagefault.
    
    Shadows created on demand from the pagefault handler are fine because the
    pagewalk over the guest tables will have injected the fault into the guest
    rather than creating a shadow.
    
    However, shadows created by sh_resync_l1() and sh_prefetch() haven't 
undergone
    a pagewalk and need to account for reserved bits before creating the shadow.
    
    In practice, this means a 3-level guest could previously cause PTEs with 
bits
    63:52 set to be shadowed (and discarded).  This PTE should cause #PF[RSVD]
    when encountered by hardware, but the installed shadow is valid and hardware
    doesn't fault.
    
    Reuse the pagewalk reserved bits helpers, and assert in
    l?e_propagate_from_guest() that shadows are not attempted to be created with
    reserved bits set.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Tim Deegan <tim@xxxxxxx>

commit 4c5d78a10dc89427140a50a1df5a0b8e9f073e82
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Tue Jun 14 20:52:57 2016 +0100

    x86/pagewalk: Re-implement the pagetable walker
    
    The existing pagetable walker has complicated return semantics, which 
squeeze
    multiple pieces of information into single integer.  This would be fine if 
the
    information didn't overlap, but it does.
    
    Specifically, _PAGE_INVALID_BITS for 3-level guests alias _PAGE_PAGED and
    _PAGE_SHARED.  A guest which constructs a PTE with bits 52 or 53 set (the
    start of the upper software-available range) will create a virtual address
    which, when walked by Xen, tricks Xen into believing the frame is paged or
    shared.  This behaviour was introduced by XSA-173 (c/s 8b17648).
    
    It is also complicated to turn rc back into a normal pagefault error code.
    Instead, change the calling semantics to return a boolean indicating 
success,
    and have the function accumulate a real pagefault error code as it goes
    (including synthetic error codes, which do not alias hardware ones).  This
    requires an equivalent adjustment to map_domain_gfn().
    
    Issues fixed:
     * 2-level PSE36 superpages now return the correct translation.
     * 2-level L2 superpages without CR0.PSE now return the correct translation.
     * SMEP now inhibits a user instruction fetch even if NX isn't active.
     * Supervisor writes without CR0.WP now set the leaf dirty bit.
     * L4e._PAGE_GLOBAL is strictly reserved on AMD.
     * 3-level l3 entries have all reserved bits checked.
     * 3-level entries can no longer alias Xen's idea of paged or shared.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Tim Deegan <tim@xxxxxxx>
    Reviewed-by: George Dunlap <george.dunlap@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

commit 16f2ad1fe96373c8e656365738bdae1598c40006
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Tue May 24 15:46:01 2016 +0100

    x86/pagewalk: Helpers for reserved bit handling
    
    Some bits are unconditionally reserved in pagetable entries, or reserved
    because of alignment restrictions.  Other bits are reserved because of 
control
    register configuration.
    
    Introduce helpers which take an individual vcpu and guest pagetable entry, 
and
    calculates whether any reserved bits are set.
    
    While here, add a couple of newlines to aid readability.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Tim Deegan <tim@xxxxxxx>

commit c68a88583e588f6fb987f5dcb730817512277a6a
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Thu Mar 2 14:55:38 2017 +0000

    x86/pagewalk: Clean up guest_supports_* predicates
    
    Switch them to returning bool, and taking const parameters.
    
    Rename guest_supports_superpages() to guest_can_use_l2_superpages() to
    indicate which level of pagetables it is actually referring to as well as
    indicating that it is more complicated than just control register settings,
    and rename guest_supports_1G_superpages() to guest_can_use_l3_superpages() 
for
    consistency.
    
    guest_can_use_l3_superpages() is a static property of the domain, rather 
than
    control register settings, so is switched to take a domain pointer.
    hvm_pse1gb_supported() is inlined into its sole user because it isn't 
strictly
    hvm-specific (it is hap-specific) and really should be beside a comment
    explaining why the cpuid policy is ignored.
    
    guest_supports_nx() on the other hand refers simply to a control register 
bit,
    and is renamed to guest_nx_enabled().
    
    While cleaning up part of the file, clean up all trailing whilespace, and 
fix
    one comment which accidently refered to PG living in CR4 rather than CR0.
    
    Requested-by: Jan Beulich <jbeulich@xxxxxxxx>
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Tim Deegan <tim@xxxxxxx>
(qemu changes not included)

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