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[Xen-devel] [xen-4.10-testing baseline-only test] 74949: regressions - FAIL

This run is configured for baseline tests only.

flight 74949 xen-4.10-testing real [real]

Regressions :-(

Tests which did not succeed and are blocking,
including tests which could not be run:
 test-amd64-amd64-xl-qemuu-debianhvm-amd64 15 guest-saverestore.2 fail REGR. 
vs. 74937

Tests which did not succeed, but are not blocking:
 test-amd64-amd64-qemuu-nested-intel 14 xen-boot/l1             fail like 74937
 test-amd64-amd64-xl-qemuu-dmrestrict-amd64-dmrestrict 10 debian-hvm-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-qemuu-dmrestrict-amd64-dmrestrict 10 debian-hvm-install 
fail never pass
 test-amd64-amd64-xl-qemuu-ws16-amd64 10 windows-install        fail never pass
 test-amd64-amd64-libvirt-xsm 13 migrate-support-check        fail   never pass
 test-armhf-armhf-libvirt-xsm 12 guest-start                  fail   never pass
 test-armhf-armhf-xl-multivcpu 12 guest-start                  fail  never pass
 test-armhf-armhf-xl-credit2  12 guest-start                  fail   never pass
 test-armhf-armhf-xl-rtds     12 guest-start                  fail   never pass
 test-armhf-armhf-libvirt     12 guest-start                  fail   never pass
 test-armhf-armhf-xl-midway   12 guest-start                  fail   never pass
 test-amd64-amd64-libvirt     13 migrate-support-check        fail   never pass
 test-amd64-i386-libvirt      13 migrate-support-check        fail   never pass
 test-amd64-i386-xl-qemut-ws16-amd64 10 windows-install         fail never pass
 test-armhf-armhf-xl-xsm      12 guest-start                  fail   never pass
 test-armhf-armhf-xl          12 guest-start                  fail   never pass
 test-amd64-i386-libvirt-xsm  13 migrate-support-check        fail   never pass
 test-amd64-i386-libvirt-qemuu-debianhvm-amd64-xsm 11 migrate-support-check 
fail never pass
 test-amd64-amd64-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-qemuu-nested-amd 17 debian-hvm-install/l1/l2  fail never pass
 test-amd64-i386-xl-qemut-win7-amd64 17 guest-stop              fail never pass
 test-amd64-amd64-xl-qemuu-win7-amd64 17 guest-stop             fail never pass
 test-amd64-amd64-xl-qemut-win10-i386 17 guest-stop             fail never pass
 test-amd64-i386-xl-qemut-win10-i386 17 guest-stop              fail never pass
 test-armhf-armhf-xl-vhd      10 debian-di-install            fail   never pass
 test-armhf-armhf-libvirt-raw 10 debian-di-install            fail   never pass
 test-amd64-amd64-xl-qemut-ws16-amd64 17 guest-stop             fail never pass
 test-amd64-i386-xl-qemuu-win7-amd64 17 guest-stop              fail never pass
 test-amd64-amd64-xl-qemut-win7-amd64 17 guest-stop             fail never pass
 test-amd64-i386-xl-qemuu-ws16-amd64 17 guest-stop              fail never pass

version targeted for testing:
 xen                  a645331a9f4190e92ccf41a950bc4692f8904239
baseline version:
 xen                  b5e9f1e674b6d190418ca47268408a11b9e0f77b

Last test of basis    74937  2018-07-05 07:02:36 Z    4 days
Testing same since    74949  2018-07-09 07:18:23 Z    0 days    1 attempts

People who touched revisions under test:
  Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  Jan Beulich <jbeulich@xxxxxxxx>
  Juergen Gross <jgross@xxxxxxxx>
  Kevin Tian <kevin.tian@xxxxxxxxx>
  Paul Durrant <paul.durrant@xxxxxxxxxx>

 build-amd64-xsm                                              pass    
 build-armhf-xsm                                              pass    
 build-i386-xsm                                               pass    
 build-amd64-xtf                                              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                                          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-armhf-armhf-xl                                          fail    
 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                                      fail    
 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                    fail    
 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-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-amd64-amd64-xl-credit2                                  pass    
 test-armhf-armhf-xl-credit2                                  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-i386-rumprun-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                          fail    
 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                                     fail    
 test-amd64-i386-libvirt                                      pass    
 test-armhf-armhf-xl-midway                                   fail    
 test-amd64-amd64-migrupgrade                                 pass    
 test-amd64-i386-migrupgrade                                  pass    
 test-amd64-amd64-xl-multivcpu                                pass    
 test-armhf-armhf-xl-multivcpu                                fail    
 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-amd64-amd64-xl-qcow2                                    pass    
 test-armhf-armhf-libvirt-raw                                 fail    
 test-amd64-i386-xl-raw                                       pass    
 test-amd64-amd64-xl-rtds                                     pass    
 test-armhf-armhf-xl-rtds                                     fail    
 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                                      fail    

sg-report-flight on osstest.xs.citrite.net
logs: /home/osstest/logs
images: /home/osstest/images

Logs, config files, etc. are available at

Test harness code can be found at

Push not applicable.

commit a645331a9f4190e92ccf41a950bc4692f8904239
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Wed Jul 4 12:30:30 2018 +0200

    x86/EFI: further correct FPU state handling around runtime calls
    We must not leave a vCPU with CR0.TS clear when it is not in fully eager
    mode and has not touched non-lazy state. Instead of adding a 3rd
    invocation of stts() to vcpu_restore_fpu_eager(), consolidate all of
    them into a single one done at the end of the function.
    Rename the function at the same time to better reflect its purpose, as
    the patches touches all of its occurences anyway.
    The new function parameter is not really well named, but
    "need_stts_if_not_fully_eager" seemed excessive to me.
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
    master commit: 23839a0fa0bbe78c174cd2bb49083e153f0f99df
    master date: 2018-06-26 15:23:08 +0200

commit c2202404d376c10386952d2e42f647338af1ffa0
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Wed Jul 4 12:30:01 2018 +0200

    x86/HVM: attempts to emulate FPU insns need to set fpu_initialised
    My original way of thinking here was that this would be set anyway at
    the point state gets reloaded after the adjustments hvmemul_put_fpu()
    does, but the flag should already be set before that - after all the
    guest may never again touch the FPU before e.g. getting migrated/saved.
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
    master commit: 3310e3cd648f3713c824790bd71d8ec405a09d05
    master date: 2018-06-26 08:41:08 +0200

commit 78a86a7c2a7678d5f714ff5deccaaea6778ea760
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Wed Jul 4 12:29:31 2018 +0200

    x86/EFI: fix FPU state handling around runtime calls
    There are two issues.  First, the nonlazy xstates were never restored
    after returning from the runtime call.
    Secondly, with the fully_eager_fpu mitigation for XSA-267 / LazyFPU, the
    unilateral stts() is no longer correct, and hits an assertion later when
    a lazy state restore tries to occur for a fully eager vcpu.
    Fix both of these issues by calling vcpu_restore_fpu_eager().  As EFI
    runtime services can be used in the idle context, the idle assertion
    needs to move until after the fully_eager_fpu check.
    Introduce a "curr" local variable and replace other uses of "current"
    at the same time.
    Reported-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Tested-by: Juergen Gross <jgross@xxxxxxxx>
    master commit: 437211cb696515ee5bd5dae0ab72866c9f382a33
    master date: 2018-06-21 11:35:46 +0200

commit 6e0e45a963aab5e733fb7f81dc29dd1008d7f191
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Wed Jul 4 12:28:49 2018 +0200

    x86/VT-x: Fix printing of EFER in vmcs_dump_vcpu()
    This is essentially a "take 2" of c/s 82540b66ce "x86/VT-x: Fix 
    of EFER.LMA in vmcs_dump_vcpu()" because in hindight, that change was more
    problematic than useful.
    The original reason was to fix the logic for determining when not to print 
    PDPTE pointers.  However, mutating the efer variable (particularly LME and
    LMA) before printing it interferes with diagnosing vmentry failures.
    Instead of modifying efer, change the PDPTE conditional to use
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Kevin Tian <kevin.tian@xxxxxxxxx>
    master commit: 35fcb982ea16c40619fee8bba4789a94d824521e
    master date: 2018-06-05 11:55:51 +0100

commit b81a8bf199cebb4a9dc4f29d8e130985df073ff9
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Wed Jul 4 12:28:12 2018 +0200

    x86/traps: Fix error handling of the pv %dr7 shadow state
    c/s "x86/pv: Introduce and use x86emul_write_dr()" fixed a bug with IO 
    handling, in that it remained stale and visible until %dr7.L/G got set 
    However, it neglected the -EPERM return inbetween these two hunks, 
    a different bug in which a write to %dr7 which tries to set IO breakpoints
    without %cr4.DE being set clobbers the IO state, rather than leaves it 
    Instead, move the zeroing slightly later, which guarentees that the shadow
    gets written exactly once, on a successful update to %dr7.
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    master commit: 237c31b5a1d5aa88cdb59b8c31b1b62eb13e82d1
    master date: 2018-06-04 11:05:45 +0100

commit de578bc4c30b112f7651b40e333a0521a301f449
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Wed Jul 4 12:27:28 2018 +0200

    x86/CPUID: don't override tool stack decision to hide STIBP
    Other than in the feature sets, where we indeed want to offer the
    feature even if not enumerated on hardware, we shouldn't dictate the
    feature being available if tool stack or host admin have decided to not
    expose it (for whatever [questionable?] reason). That feature set side
    override is sufficient to achieve the intended guest side safety
    property (in offering - by default - STIBP independent of actual
    availability in hardware).
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    master commit: 06f542f8f2e446c01bd0edab51e9450af7f6e05b
    master date: 2018-05-29 12:39:24 +0200

commit 3bd7966eba0100fef6bd454e45c30f6b033002eb
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Wed Jul 4 12:26:24 2018 +0200

    x86: correct default_xen_spec_ctrl calculation
    Even with opt_msr_sc_{pv,hvm} both false we should set up the variable
    as usual, to ensure proper one-time setup during boot and CPU bringup.
    This then also brings the code in line with the comment immediately
    ahead of the printk() being modified saying "irrespective of guests".
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    master commit: d6239f64713df819278bf048446d3187c6ac4734
    master date: 2018-05-29 12:38:52 +0200

commit dd07d3e25c23dd78f73e966619a973de8469e7ee
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Wed Jul 4 12:25:40 2018 +0200

    libxc/x86/PV: don't hand through CPUID leaf 0x80000008 as is
    Just like for HVM the feature set should be used for EBX output, while
    EAX should be restricted to the low 16 bits and ECX/EDX should be zero.
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    master commit: 849cc9ac56eff8a8d575ed9f484aad72f383862c
    master date: 2018-05-29 10:51:02 +0100
(qemu changes not included)

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