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[Xen-devel] [xen-unstable baseline-only test] 67714: tolerable FAIL



This run is configured for baseline tests only.

flight 67714 xen-unstable real [real]
http://osstest.xs.citrite.net/~osstest/testlogs/logs/67714/

Failures :-/ but no regressions.

Regressions which are regarded as allowable (not blocking):
 test-amd64-amd64-i386-pvgrub 10 guest-start                  fail   like 67705
 test-amd64-amd64-xl-qemut-debianhvm-amd64-xsm 9 debian-hvm-install fail like 
67705
 test-amd64-amd64-xl-qemut-stubdom-debianhvm-amd64-xsm 9 debian-hvm-install 
fail like 67705
 test-amd64-amd64-xl-qemut-debianhvm-amd64 9 debian-hvm-install fail like 67705
 test-amd64-amd64-xl-qemut-winxpsp3  9 windows-install          fail like 67705
 test-amd64-i386-xl-qemuu-win7-amd64 16 guest-stop              fail like 67705
 test-amd64-i386-xl-qemut-debianhvm-amd64  9 debian-hvm-install fail like 67705
 test-amd64-i386-qemut-rhel6hvm-intel  9 redhat-install         fail like 67705
 test-amd64-amd64-qemuu-nested-intel 16 debian-hvm-install/l1/l2 fail like 67705
 test-amd64-amd64-amd64-pvgrub 10 guest-start                  fail  like 67705
 test-amd64-i386-xl-qemut-debianhvm-amd64-xsm 9 debian-hvm-install fail like 
67705
 test-amd64-i386-xl-qemut-winxpsp3-vcpus1  9 windows-install    fail like 67705
 test-amd64-i386-xl-qemut-winxpsp3  9 windows-install           fail like 67705
 test-amd64-i386-xl-qemut-stubdom-debianhvm-amd64-xsm 9 debian-hvm-install fail 
like 67705

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-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-raw 11 migrate-support-check        fail   never pass
 test-armhf-armhf-libvirt-raw 13 guest-saverestore            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-xl-rtds     12 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-rtds     13 saverestore-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-midway   12 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-midway   13 saverestore-support-check    fail   never pass
 test-amd64-amd64-libvirt-xsm 12 migrate-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-amd64-amd64-libvirt     12 migrate-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-amd64-amd64-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-amd64-i386-libvirt-xsm  12 migrate-support-check        fail   never pass
 test-amd64-amd64-qemuu-nested-amd 16 debian-hvm-install/l1/l2  fail never pass
 test-amd64-i386-libvirt      12 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-armhf-armhf-libvirt     12 migrate-support-check        fail   never pass
 test-armhf-armhf-libvirt     14 guest-saverestore            fail   never pass
 test-amd64-amd64-xl-pvh-amd  11 guest-start                  fail   never pass
 test-amd64-amd64-xl-qemuu-win7-amd64 16 guest-stop             fail never pass
 test-amd64-amd64-xl-qemut-win7-amd64 16 guest-stop             fail never pass
 test-amd64-i386-xl-qemut-win7-amd64 16 guest-stop              fail never pass
 test-amd64-amd64-xl-pvh-intel 11 guest-start                  fail  never pass
 test-amd64-i386-libvirt-qemuu-debianhvm-amd64-xsm 10 migrate-support-check 
fail never pass

version targeted for testing:
 xen                  773522000cc17f6f4323a4d97423790138ea98f2
baseline version:
 xen                  d45fae589b8d8b6d36c211dcc46d767dda730b61

Last test of basis    67705  2016-09-13 13:14:20 Z    1 days
Testing same since    67714  2016-09-14 23:44:47 Z    0 days    1 attempts

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

jobs:
 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-oldkern                                          pass    
 build-i386-oldkern                                           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-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                                          pass    
 test-amd64-i386-xl                                           pass    
 test-amd64-amd64-xl-qemut-debianhvm-amd64-xsm                fail    
 test-amd64-i386-xl-qemut-debianhvm-amd64-xsm                 fail    
 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        fail    
 test-amd64-i386-xl-qemut-stubdom-debianhvm-amd64-xsm         fail    
 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                           pass    
 test-amd64-amd64-xl-qemut-debianhvm-amd64                    fail    
 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                         fail    
 test-amd64-i386-xl-qemuu-win7-amd64                          fail    
 test-amd64-amd64-xl-credit2                                  pass    
 test-armhf-armhf-xl-credit2                                  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                         fail    
 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                                   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                                fail    
 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                                       pass    
 test-amd64-amd64-xl-rtds                                     pass    
 test-armhf-armhf-xl-rtds                                     pass    
 test-amd64-i386-xl-qemut-winxpsp3-vcpus1                     fail    
 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                           fail    
 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.xs.citrite.net
logs: /home/osstest/logs
images: /home/osstest/images

Logs, config files, etc. are available at
    http://osstest.xs.citrite.net/~osstest/testlogs/logs

Test harness code can be found at
    http://xenbits.xensource.com/gitweb?p=osstest.git;a=summary


Push not applicable.

------------------------------------------------------------
commit 773522000cc17f6f4323a4d97423790138ea98f2
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Mon Sep 12 10:30:00 2016 +0100

    x86/xstate: Fix latent bugs in compress_xsave_states()
    
    compress_xsave_states() mustn't read xstate_bv or xcomp_bv before first
    confirming that the input buffer is large enough.  It also doesn't cope with
    compressed input.  Make all of these problems the callers responsbility to
    ensure.
    
    Simplify the decompression logic by inlining get_xsave_addr().  As xstate_bv
    is previously validated, dest won't ever been NULL.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

commit 681aea049c4a83bb847918003dc2ae21c1156ddb
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Mon Sep 12 10:30:00 2016 +0100

    x86/domctl: Fix migration of guests which are not using xsave
    
    c/s da62246e "x86/xsaves: enable xsaves/xrstors/xsavec in xen" broke 
migration
    of PV guests which were not using xsave.
    
    In such a case, compress_xsave_states() gets passed a zero length buffer.  
The
    first thing it tries to do is ASSERT() on user-provided data, if it hadn't
    already wandered off the end of the buffer to do so.
    
    Perform more verification of the input buffer before passing it to
    compress_xsave_states().  This involves making xsave_area_compressed() 
public.
    
    Similar problems exist on the HVM side, so make equivalent adjustments 
there.
    This doesn't manifest in general, as hvm_save_cpu_xsave_states() elides the
    entire record if xsave isn't used, but is a problem if a caller were to
    construct an xsave record manually.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <JBeulich@xxxxxxxx>

commit 40db977eea1e57fc33cd478d60678c71b4328eb0
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Mon Sep 12 10:30:00 2016 +0100

    x86/xstate: Fix latent bugs in expand_xsave_states()
    
    Without checking the size input, the memcpy() for the uncompressed path 
might
    read off the end of the vcpu's xsave_area.  Both callers pass the approprite
    size, so hold them to it with a BUG_ON().
    
    The compressed path is currently dead code, but its attempt to avoid leaking
    uninitalised data was incomplete.  Work around this by zeroing the whole 
rest
    of the buffer before decompression.
    
    The loop skips all bits which aren't set in xstate_bv, meaning that the
    memset() was dead code.  The logic is more obvious with get_xsave_addr()
    expanded inline, allowing for quite a lot of simplification, including all 
the
    NULL pointer logic.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <JBeulich@xxxxxxxx>

commit 6accc5f1af1b51ea4fefcddce72db4e795f580c3
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Mon Sep 12 10:30:00 2016 +0100

    x86/domctl: Simplfy XEN_DOMCTL_getvcpuextstate when xsave is not in use
    
    Older guests will not use xsave even if it is available.  As such, their
    xcr0_accum will be 0 at the point of migrate.
    
    If it is empty, forgo the memory allocation and serialisation into a
    zero-length buffer.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

commit d4a322557ae98cccdf90a0f442a29e1f5d76378a
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Mon Sep 12 10:30:00 2016 +0100

    x86/domctl: Fix TOCTOU race with the use of XEN_DOMCTL_getvcpuextstate
    
    A toolstack must call XEN_DOMCTL_getvcpuextstate twice; first to find the 
size
    of the buffer to use, and a second time to get the actual content.
    
    The reported size was based on v->arch.xcr0_accum, but a guest which extends
    its xcr0_accum between the two hypercalls will cause the toolstack to fail 
the
    evc->size != size check, as the provided buffer is now too small.  This 
causes
    a hard error during the final phase of migration.
    
    Instead, return a size based on xfeature_mask, which is the maximum size Xen
    will ever permit.  The hypercall must now tolerate a toolstack-provided 
buffer
    which is overly large (for the case where a guest isn't using all available
    xsave states), and should write back how much data was actually written into
    the buffer.
    
    As the query for size now has no dependence on vcpu state, the vcpu_pause()
    can be omitted for a small performance improvement.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

commit 80b9ea63b0955c692a71bc841f4ec0a501da7c4b
Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date:   Mon Sep 12 10:30:00 2016 +0100

    x86/domctl: Introduce PV_XSAVE_HDR_SIZE and remove its opencoding
    
    Also remove opencoding of PV_XSAVE_SIZE().  Undefine both when they are
    done with.
    
    No functional change.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
(qemu changes not included)

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