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[Xen-devel] [xen-unstable test] 105966: regressions - FAIL



flight 105966 xen-unstable real [real]
http://logs.test-lab.xenproject.org/osstest/logs/105966/

Regressions :-(

Tests which did not succeed and are blocking,
including tests which could not be run:
 test-amd64-amd64-qemuu-nested-amd 13 xen-boot/l1         fail REGR. vs. 105933

Regressions which are regarded as allowable (not blocking):
 test-armhf-armhf-libvirt-xsm 13 saverestore-support-check    fail  like 105933
 test-amd64-i386-xl-qemuu-win7-amd64 16 guest-stop             fail like 105933
 test-amd64-amd64-xl-qemut-win7-amd64 16 guest-stop            fail like 105933
 test-armhf-armhf-libvirt-raw 12 saverestore-support-check    fail  like 105933
 test-amd64-i386-xl-qemut-win7-amd64 16 guest-stop             fail like 105933
 test-armhf-armhf-libvirt     13 saverestore-support-check    fail  like 105933
 test-amd64-amd64-xl-rtds      9 debian-install               fail  like 105933
 test-amd64-amd64-xl-qemuu-win7-amd64 16 guest-stop            fail like 105933

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
 build-arm64-xsm               5 xen-build                    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-xsm 12 migrate-support-check        fail   never pass
 test-amd64-amd64-xl-pvh-intel 11 guest-start                  fail  never pass
 build-arm64                   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
 test-amd64-amd64-libvirt-vhd 11 migrate-support-check        fail   never pass
 build-arm64-pvops             5 kernel-build                 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-multivcpu 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-cubietruck 12 migrate-support-check        fail never pass
 test-armhf-armhf-xl-cubietruck 13 saverestore-support-check    fail never pass
 test-armhf-armhf-libvirt-xsm 12 migrate-support-check        fail   never pass
 test-armhf-armhf-libvirt-raw 11 migrate-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
 test-amd64-amd64-libvirt     12 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-xl-arndale  12 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-arndale  13 saverestore-support-check    fail   never pass
 test-armhf-armhf-libvirt     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

version targeted for testing:
 xen                  b908131167a67a16fbe9c7a7826b67e2d93d9ec5
baseline version:
 xen                  2f5af2c962c05b789bdd65b46c74711e903f86d0

Last test of basis   105933  2017-02-20 20:13:35 Z    1 days
Failing since        105946  2017-02-21 10:19:53 Z    1 days    2 attempts
Testing same since   105966  2017-02-21 23:23:44 Z    0 days    1 attempts

------------------------------------------------------------
People who touched revisions under test:
  Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  George Dunlap <george.dunlap@xxxxxxxxxx>
  Kevin Tian <kevin.tian@xxxxxxxxx>

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                                  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-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                                  pass    
 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                                fail    
 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                                 pass    
 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 b908131167a67a16fbe9c7a7826b67e2d93d9ec5
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Wed Nov 2 15:50:23 2016 +0000

    x86/emul: Support CPUID faulting via a speculative MSR read
    
    This removes the need for every cpuid() emulation hook to individually 
support
    CPUID faulting.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

commit 65ddae6e3ce54373860cf53c589e6eafaba5eba5
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Wed Nov 2 15:50:23 2016 +0000

    x86/emul: Introduce common msr_val for emulation
    
    Use it consistently in place of local tsc_aux, msr_content and val
    declarations, and replace opencoded uses of X86EMUL_OKAY.
    
    No functional change.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

commit 49de10f3c1718bb952f4b075d07f37eb9f605b2b
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Wed Nov 2 14:36:49 2016 +0000

    x86/hvm: Don't raise #GP behind the emulators back for MSR accesses
    
    The current hvm_msr_{read,write}_intercept() infrastructure calls
    hvm_inject_hw_exception() directly to latch a fault, and returns
    X86EMUL_EXCEPTION to its caller.
    
    This behaviour is problematic for the hvmemul_{read,write}_msr() paths, as 
the
    fault is raised behind the back of the x86 emulator.
    
    Alter the behaviour so hvm_msr_{read,write}_intercept() simply returns
    X86EMUL_EXCEPTION, leaving the callers to actually inject the #GP fault.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Kevin Tian <kevin.tian@xxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Paul Durrant <paul.durrant@xxxxxxxxxx>
    Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>

commit 38b48605f3693e950bb4155ea8dac6614d796c2b
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Sun Dec 18 14:56:28 2016 +0000

    x86/vmx: Drop vmx_msr_state infrastructure
    
    To avoid leaking host MSR state into guests, guest LSTAR, STAR and
    SYSCALL_MASK state is unconditionally loaded when switching into guest
    context.
    
    Attempting to dirty-track the state is pointless; host state is always
    restoring upon exit from guest context, meaning that guest state is always
    considered dirty.
    
    Drop struct vmx_msr_state, enum VMX_INDEX_MSR_* and msr_index[].  The guests
    MSR values are stored plainly in arch_vmx_struct, in the same way as 
shadow_gs
    and cstar are.  vmx_restore_guest_msrs() and long_mode_do_msr_write() ensure
    that the hardware MSR values are always up-to-date.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Kevin Tian <kevin.tian@xxxxxxxxx>

commit 394e66b0d04f0281b9c6231dad1377c4b9fea7d0
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Sun Dec 18 14:56:28 2016 +0000

    x86/vmx: Remove vmx_save_host_msrs() and host_msr_state
    
    A pcpu's LSTAR, STAR and SYSCALL_MASK MSRs are unconditionally switched when
    moving in and out of HVM vcpu context.  Two of these values are compile time
    constants, and the third is directly available in an existing per-cpu
    variable.
    
    There is no need to save host state in vmx_cpu_up() into a different per-cpu
    structure, so drop all the infrastructure.  vmx_restore_host_msrs() is
    simplified to 3 plain WRMSR instructions.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Kevin Tian <kevin.tian@xxxxxxxxx>

commit 36b35babdf381b8e2843d37e29da2ddc01ec3282
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Sun Dec 18 14:56:28 2016 +0000

    x86/setup: Intoduce XEN_MSR_STAR
    
    Xen's choice of the MSR_STAR value is constant across all pcpus.  Introduce 
a
    new define and use it to avoid the opencoding in subarch_percpu_traps_init()
    and restore_rest_processor_state().
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

commit 2f1add6e1c8789d979daaafa3d80ddc1bc375783
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Sun Dec 18 14:20:49 2016 +0000

    x86/vmx: Don't leak host syscall MSR state into HVM guests
    
    hvm_hw_cpu->msr_flags is in fact the VMX dirty bitmap of MSRs needing to be
    restored when switching into guest context.  It should never have been part 
of
    the migration state to start with, and Xen must not make any decisions based
    on the value seen during restore.
    
    Identify it as obsolete in the header files, consistently save it as zero 
and
    ignore it on restore.
    
    The MSRs must be considered dirty during VMCS creation to cause the proper
    defaults of 0 to be visible to the guest.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>

commit 5dbd60e16a1f29b9f1f84088c5cab1be2dac7a7a
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Mon Jul 4 09:40:34 2016 +0100

    x86/shadow: Correct guest behaviour when creating PTEs above maxphysaddr
    
    XSA-173 (c/s 8b1764833) introduces gfn_bits, and an upper limit which might 
be
    lower than the real maxphysaddr, to avoid overflowing the superpage shadow
    backpointer.
    
    However, plenty of hardware has a physical address width less that 44 bits,
    and the code added in shadow_domain_init() is a straight assignment.  This
    causes gfn_bits to be increased beyond the physical address width on most
    Intel consumer hardware (typically a width of 39, which is the number 
reported
    to the guest via CPUID).
    
    If the guest intentionally creates a PTE referencing a physical address
    between 39 and 44 bits, the result should be #PF[RSVD] for using the virtual
    address.  However, the shadow code accepts the PTE, shadows it, and the
    virtual address works normally.
    
    Introduce paging_max_paddr_bits() to calculate the largest guest physical
    address supportable by the paging infrastructure, and update
    recalculate_cpuid_policy() to take this into account when clamping the 
guests
    cpuid_policy to reality.
    
    There is an existing gfn_valid() in guest_pt.h but it is unused in the
    codebase.  Repurpose it to perform a guest-specific maxphysaddr check, which
    replaces the users of gfn_bits.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: George Dunlap <george.dunlap@xxxxxxxxxx>
    Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
    Reviewed-by: Tim Deegan <tim@xxxxxxx>
(qemu changes not included)

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