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[Xen-devel] [xen-4.11-testing test] 136231: regressions - FAIL



flight 136231 xen-4.11-testing real [real]
http://logs.test-lab.xenproject.org/osstest/logs/136231/

Regressions :-(

Tests which did not succeed and are blocking,
including tests which could not be run:
 test-amd64-amd64-libvirt-pair 26 leak-check/check/src_host fail REGR. vs. 
135683
 test-armhf-armhf-xl-credit2 16 guest-start/debian.repeat fail REGR. vs. 135683
 test-armhf-armhf-xl-cubietruck 19 leak-check/check       fail REGR. vs. 135683

Tests which did not succeed, but are not blocking:
 test-amd64-amd64-xl-qcow2    16 guest-saverestore.2          fail  like 135683
 test-amd64-amd64-xl-qemuu-dmrestrict-amd64-dmrestrict 10 debian-hvm-install 
fail never pass
 test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict 10 debian-hvm-install 
fail never pass
 test-amd64-amd64-libvirt-xsm 13 migrate-support-check        fail   never pass
 test-amd64-i386-xl-pvshim    12 guest-start                  fail   never pass
 test-amd64-amd64-libvirt     13 migrate-support-check        fail   never pass
 test-amd64-i386-libvirt-xsm  13 migrate-support-check        fail   never pass
 test-amd64-i386-libvirt      13 migrate-support-check        fail   never pass
 test-arm64-arm64-libvirt-xsm 13 migrate-support-check        fail   never pass
 test-arm64-arm64-libvirt-xsm 14 saverestore-support-check    fail   never pass
 test-amd64-i386-libvirt-qemuu-debianhvm-amd64-xsm 11 migrate-support-check 
fail never pass
 test-amd64-amd64-libvirt-vhd 12 migrate-support-check        fail   never pass
 test-amd64-amd64-libvirt-qemuu-debianhvm-amd64-xsm 11 migrate-support-check 
fail never pass
 test-arm64-arm64-xl          13 migrate-support-check        fail   never pass
 test-arm64-arm64-xl          14 saverestore-support-check    fail   never pass
 test-arm64-arm64-xl-xsm      13 migrate-support-check        fail   never pass
 test-arm64-arm64-xl-xsm      14 saverestore-support-check    fail   never pass
 test-arm64-arm64-xl-credit1  13 migrate-support-check        fail   never pass
 test-arm64-arm64-xl-credit1  14 saverestore-support-check    fail   never pass
 test-armhf-armhf-xl-credit1  13 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-credit1  14 saverestore-support-check    fail   never pass
 test-armhf-armhf-xl-rtds     13 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-rtds     14 saverestore-support-check    fail   never pass
 test-armhf-armhf-xl-multivcpu 13 migrate-support-check        fail  never pass
 test-armhf-armhf-xl-arndale  13 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-multivcpu 14 saverestore-support-check    fail  never pass
 test-armhf-armhf-xl-arndale  14 saverestore-support-check    fail   never pass
 test-amd64-amd64-qemuu-nested-amd 17 debian-hvm-install/l1/l2  fail never pass
 test-amd64-i386-xl-qemuu-win7-amd64 17 guest-stop              fail never pass
 test-armhf-armhf-xl-vhd      12 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-vhd      13 saverestore-support-check    fail   never pass
 test-amd64-amd64-xl-qemuu-win7-amd64 17 guest-stop             fail never pass
 test-amd64-i386-xl-qemut-win7-amd64 17 guest-stop              fail never pass
 test-amd64-amd64-xl-qemuu-ws16-amd64 17 guest-stop             fail never pass
 test-armhf-armhf-xl-credit2  13 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-credit2  14 saverestore-support-check    fail   never pass
 test-armhf-armhf-libvirt     13 migrate-support-check        fail   never pass
 test-armhf-armhf-libvirt     14 saverestore-support-check    fail   never pass
 test-armhf-armhf-xl          13 migrate-support-check        fail   never pass
 test-armhf-armhf-xl          14 saverestore-support-check    fail   never pass
 test-armhf-armhf-xl-cubietruck 13 migrate-support-check        fail never pass
 test-armhf-armhf-xl-cubietruck 14 saverestore-support-check    fail never pass
 test-amd64-i386-xl-qemuu-ws16-amd64 17 guest-stop              fail never pass
 test-amd64-amd64-xl-qemut-win7-amd64 17 guest-stop             fail never pass
 test-armhf-armhf-libvirt-raw 12 migrate-support-check        fail   never pass
 test-armhf-armhf-libvirt-raw 13 saverestore-support-check    fail   never pass
 test-arm64-arm64-xl-credit2  13 migrate-support-check        fail   never pass
 test-arm64-arm64-xl-credit2  14 saverestore-support-check    fail   never pass
 test-amd64-i386-xl-qemut-ws16-amd64 17 guest-stop              fail never pass
 test-amd64-amd64-xl-qemut-ws16-amd64 17 guest-stop             fail never pass
 test-amd64-amd64-xl-qemut-win10-i386 10 windows-install        fail never pass
 test-amd64-amd64-xl-qemuu-win10-i386 10 windows-install        fail never pass
 test-amd64-i386-xl-qemuu-win10-i386 10 windows-install         fail never pass
 test-amd64-i386-xl-qemut-win10-i386 10 windows-install         fail never pass

version targeted for testing:
 xen                  a6e07495c17158a01884a251b43c824926c60803
baseline version:
 xen                  3b062f5040a103d86b44c5e8412ff9555b00d06c

Last test of basis   135683  2019-05-04 11:34:51 Z   12 days
Testing same since   136231  2019-05-14 17:05:59 Z    2 days    1 attempts

------------------------------------------------------------
People who touched revisions under test:
  Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  Jan Beulich <jbeulich@xxxxxxxx>

jobs:
 build-amd64-xsm                                              pass    
 build-arm64-xsm                                              pass    
 build-i386-xsm                                               pass    
 build-amd64-xtf                                              pass    
 build-amd64                                                  pass    
 build-arm64                                                  pass    
 build-armhf                                                  pass    
 build-i386                                                   pass    
 build-amd64-libvirt                                          pass    
 build-arm64-libvirt                                          pass    
 build-armhf-libvirt                                          pass    
 build-i386-libvirt                                           pass    
 build-amd64-prev                                             pass    
 build-i386-prev                                              pass    
 build-amd64-pvops                                            pass    
 build-arm64-pvops                                            pass    
 build-armhf-pvops                                            pass    
 build-i386-pvops                                             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                                          pass    
 test-armhf-armhf-xl                                          pass    
 test-amd64-i386-xl                                           pass    
 test-amd64-amd64-libvirt-qemuu-debianhvm-amd64-xsm           pass    
 test-amd64-i386-libvirt-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-xl-qemut-debianhvm-i386-xsm                 pass    
 test-amd64-i386-xl-qemut-debianhvm-i386-xsm                  pass    
 test-amd64-amd64-xl-qemuu-debianhvm-i386-xsm                 pass    
 test-amd64-i386-xl-qemuu-debianhvm-i386-xsm                  pass    
 test-amd64-amd64-libvirt-xsm                                 pass    
 test-arm64-arm64-libvirt-xsm                                 pass    
 test-amd64-i386-libvirt-xsm                                  pass    
 test-amd64-amd64-xl-xsm                                      pass    
 test-arm64-arm64-xl-xsm                                      pass    
 test-amd64-i386-xl-xsm                                       pass    
 test-amd64-amd64-qemuu-nested-amd                            fail    
 test-amd64-amd64-xl-pvhv2-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-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-amd64-amd64-xl-qemut-ws16-amd64                         fail    
 test-amd64-i386-xl-qemut-ws16-amd64                          fail    
 test-amd64-amd64-xl-qemuu-ws16-amd64                         fail    
 test-amd64-i386-xl-qemuu-ws16-amd64                          fail    
 test-armhf-armhf-xl-arndale                                  pass    
 test-amd64-amd64-xl-credit1                                  pass    
 test-arm64-arm64-xl-credit1                                  pass    
 test-armhf-armhf-xl-credit1                                  pass    
 test-amd64-amd64-xl-credit2                                  pass    
 test-arm64-arm64-xl-credit2                                  pass    
 test-armhf-armhf-xl-credit2                                  fail    
 test-armhf-armhf-xl-cubietruck                               fail    
 test-amd64-amd64-xl-qemuu-dmrestrict-amd64-dmrestrict        fail    
 test-amd64-i386-xl-qemuu-dmrestrict-amd64-dmrestrict         fail    
 test-amd64-i386-freebsd10-i386                               pass    
 test-amd64-amd64-xl-qemut-win10-i386                         fail    
 test-amd64-i386-xl-qemut-win10-i386                          fail    
 test-amd64-amd64-xl-qemuu-win10-i386                         fail    
 test-amd64-i386-xl-qemuu-win10-i386                          fail    
 test-amd64-amd64-qemuu-nested-intel                          pass    
 test-amd64-amd64-xl-pvhv2-intel                              pass    
 test-amd64-i386-qemut-rhel6hvm-intel                         pass    
 test-amd64-i386-qemuu-rhel6hvm-intel                         pass    
 test-amd64-amd64-libvirt                                     pass    
 test-armhf-armhf-libvirt                                     pass    
 test-amd64-i386-libvirt                                      pass    
 test-amd64-amd64-livepatch                                   pass    
 test-amd64-i386-livepatch                                    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                                fail    
 test-amd64-i386-libvirt-pair                                 pass    
 test-amd64-amd64-amd64-pvgrub                                pass    
 test-amd64-amd64-i386-pvgrub                                 pass    
 test-amd64-amd64-xl-pvshim                                   pass    
 test-amd64-i386-xl-pvshim                                    fail    
 test-amd64-amd64-pygrub                                      pass    
 test-amd64-amd64-xl-qcow2                                    fail    
 test-armhf-armhf-libvirt-raw                                 pass    
 test-amd64-i386-xl-raw                                       pass    
 test-amd64-amd64-xl-rtds                                     pass    
 test-armhf-armhf-xl-rtds                                     pass    
 test-amd64-amd64-xl-qemuu-debianhvm-amd64-shadow             pass    
 test-amd64-i386-xl-qemuu-debianhvm-amd64-shadow              pass    
 test-amd64-amd64-xl-shadow                                   pass    
 test-amd64-i386-xl-shadow                                    pass    
 test-amd64-amd64-libvirt-vhd                                 pass    
 test-armhf-armhf-xl-vhd                                      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 a6e07495c17158a01884a251b43c824926c60803
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Wed Dec 12 19:22:15 2018 +0000

    x86/spec-ctrl: Introduce options to control VERW flushing
    
    The Microarchitectural Data Sampling vulnerability is split into categories
    with subtly different properties:
    
     MLPDS - Microarchitectural Load Port Data Sampling
     MSBDS - Microarchitectural Store Buffer Data Sampling
     MFBDS - Microarchitectural Fill Buffer Data Sampling
     MDSUM - Microarchitectural Data Sampling Uncacheable Memory
    
    MDSUM is a special case of the other three, and isn't distinguished further.
    
    These issues pertain to three microarchitectural buffers.  The Load Ports, 
the
    Store Buffers and the Fill Buffers.  Each of these structures are flushed by
    the new enhanced VERW functionality, but the conditions under which flushing
    is necessary vary.
    
    For this concise overview of the issues and default logic, the abbreviations
    SP (Store Port), FB (Fill Buffer), LP (Load Port) and HT (Hyperthreading) 
are
    used for brevity:
    
     * Vulnerable hardware is divided into two categories - parts which suffer
       from SP only, and parts with any other combination of vulnerabilities.
    
     * SP only has an HT interaction when the thread goes idle, due to the 
static
       partitioning of resources.  LP and FB have HT interactions at all points,
       due to the competitive sharing of resources.  All issues potentially leak
       data across the return-to-guest transition.
    
     * The microcode which implements VERW flushing also extends MSR_FLUSH_CMD, 
so
       we don't need to do both on the HVM return-to-guest path.  However, some
       parts are not vulnerable to L1TF (therefore have no MSR_FLUSH_CMD), but 
are
       vulnerable to MDS, so do require VERW on the HVM path.
    
    Note that we deliberately support mds=1 even without MD_CLEAR in case the
    microcode has been updated but the feature bit not exposed.
    
    This is part of XSA-297, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, 
CVE-2019-11091.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    (cherry picked from commit 3c04c258ab40405a74e194d9889a4cbc7abe94b4)

commit bd03b27b9ac783e7a8fe473cff16d8a8d9a9ff81
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Wed Dec 12 19:22:15 2018 +0000

    x86/spec-ctrl: Infrastructure to use VERW to flush pipeline buffers
    
    Three synthetic features are introduced, as we need individual control of
    each, depending on circumstances.  A later change will enable them at
    appropriate points.
    
    The verw_sel field doesn't strictly need to live in struct cpu_info.  It 
lives
    there because there is a convenient hole it can fill, and it reduces the
    complexity of the SPEC_CTRL_EXIT_TO_{PV,HVM} assembly by avoiding the need 
for
    any temporary stack maintenance.
    
    This is part of XSA-297, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, 
CVE-2019-11091.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    (cherry picked from commit 548a932ac786d6bf3584e4b54f2ab993e1117710)

commit b09886e3c9a40c6339e08e10a30e902e87f7d2ac
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Wed Sep 12 14:36:00 2018 +0100

    x86/spec-ctrl: CPUID/MSR definitions for Microarchitectural Data Sampling
    
    The MD_CLEAR feature can be automatically offered to guests.  No
    infrastructure is needed in Xen to support the guest making use of it.
    
    This is part of XSA-297, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, 
CVE-2019-11091.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    (cherry picked from commit d4f6116c080dc013cd1204c4d8ceb95e5f278689)

commit bac4405a907443f690995695c1589ec614b4a489
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Wed Sep 12 14:36:00 2018 +0100

    x86/spec-ctrl: Misc non-functional cleanup
    
     * Identify BTI in the spec_ctrl_{enter,exit}_idle() comments, as other
       mitigations will shortly appear.
     * Use alternative_input() and cover the lack of memory cobber with a 
further
       barrier.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    (cherry picked from commit 9b62eba6c429c327e1507816bef403ccc87357ae)

commit 0d8e6f72980cc17d23389483daa27f5c492c34c3
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Fri Apr 5 13:26:30 2019 +0100

    x86/boot: Detect the firmware SMT setting correctly on Intel hardware
    
    While boot_cpu_data.x86_num_siblings is an accurate value to use on AMD
    hardware, it isn't on Intel when the user has disabled Hyperthreading in the
    firmware.  As a result, a user which has chosen to disable HT still gets
    nagged on L1TF-vulnerable hardware when they haven't chosen an explicit
    smt=<bool> setting.
    
    Make use of the largely-undocumented MSR_INTEL_CORE_THREAD_COUNT which in
    practice exists since Nehalem, when booting on real hardware.  Fall back to
    using the ACPI table APIC IDs.
    
    While adjusting this logic, fix a latent bug in amd_get_topology().  The
    thread count field in CPUID.0x8000001e.ebx is documented as 8 bits wide,
    rather than 2 bits wide.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
    (cherry picked from commit b12fec4a125950240573ea32f65c61fb9afa74c3)

commit 9be661341da5d260c1b8fd969e4ba5c53d076e54
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Fri Apr 5 12:26:30 2019 +0000

    x86/msr: Definitions for MSR_INTEL_CORE_THREAD_COUNT
    
    This is a model specific register which details the current configuration
    cores and threads in the package.  Because of how Hyperthread and Core
    configuration works works in firmware, the MSR it is de-facto constant and
    will remain unchanged until the next system reset.
    
    It is a read only MSR (so unilaterally reject writes), but for now retain 
its
    leaky-on-read properties.  Further CPUID/MSR work is required before we can
    start virtualising a consistent topology to the guest, and retaining the old
    behaviour is the safest course of action.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
    (cherry picked from commit d4120936bcd1695faf5b575f1259c58e31d2b18b)

commit f5cc6e140ae31675162935076f3dd06b61ee6aed
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Wed Sep 12 14:36:00 2018 +0100

    x86/spec-ctrl: Reposition the XPTI command line parsing logic
    
    It has ended up in the middle of the mitigation calculation logic.  Move it 
to
    be beside the other command line parsing.
    
    No functional change.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
    (cherry picked from commit c2c2bb0d60c642e64a5243a79c8b1548ffb7bc5b)
(qemu changes not included)

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