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[Xen-devel] [xen-unstable-smoke test] 92827: regressions - FAIL

flight 92827 xen-unstable-smoke real [real]

Regressions :-(

Tests which did not succeed and are blocking,
including tests which could not be run:
 test-amd64-amd64-xl-qemuu-debianhvm-i386 9 debian-hvm-install fail REGR. vs. 

Tests which did not succeed, but are not blocking:
 test-amd64-amd64-libvirt     12 migrate-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

version targeted for testing:
 xen                  722b6d259f408b80c40e3ddb6b5909414be31f57
baseline version:
 xen                  488c2a860a6d7eb69f4acfeb349b457aaba76dfa

Last test of basis    92731  2016-04-25 17:04:22 Z    0 days
Testing same since    92827  2016-04-26 10:06:00 Z    0 days    1 attempts

People who touched revisions under test:
  Jan Beulich <jbeulich@xxxxxxxx>
  Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
  Wei Liu <wei.liu2@xxxxxxxxxx>

 build-amd64                                                  pass    
 build-armhf                                                  pass    
 build-amd64-libvirt                                          pass    
 test-armhf-armhf-xl                                          pass    
 test-amd64-amd64-xl-qemuu-debianhvm-i386                     fail    
 test-amd64-amd64-libvirt                                     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

Explanation of these reports, and of osstest in general, is at

Test harness code can be found at

Not pushing.

commit 722b6d259f408b80c40e3ddb6b5909414be31f57
Author: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Date:   Tue Apr 26 11:54:08 2016 +0200

    Revert "HYPERCALL_version_op. New hypercall mirroring XENVER_ but sane."
    This reverts commit 2716d875379d538c1dfccad78a99ca7db2e09f90.
    As it was decided that the existing XENVER hypercall - while having
    grown organically over the years can still be expanded.
    Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
    Requested-and-acked-by: Jan Beulich <jbeulich@xxxxxxxx>

commit f3598690741671a933eb372877bcb59f7036b1df
Author: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Date:   Tue Apr 26 11:53:49 2016 +0200

    Revert "libxc/libxl/python/xenstat/ocaml: Use new XEN_VERSION hypercall"
    This reverts commit d275ec9ca8a86f7c9c213f3551194d471ce90fbd.
    As we prefer to still utilize the old XENVER_ hypercall.
    Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
    Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>

commit 0129e1ee0d61fc93f6101332719d0bb5de6718ad
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Tue Apr 26 11:53:18 2016 +0200

    x86/xstate: don't clobber or leak state when using XSAVES
    Commit 4d27280572 ("x86/xsaves: fix overwriting between non-lazy/lazy
    xsaves") switched to always saving full state when using compacted
    format (which is the only one XSAVES allows). It didn't, however, also
    adjust the restore side: In order to save full state, we also need to
    make sure we always load full state, or else the subject vCPU's state
    would get clobbered by that of the vCPU which happened to last have in
    use the respective component(s).
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Release-acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

commit 3a6222bd57209d4c2f098d61ace042370a9b0a96
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Tue Apr 26 11:52:22 2016 +0200

    x86/vMSI-X: avoid missing first unmask of vectors
    Recent changes to Linux result in there just being a single unmask
    operation prior to expecting the first interrupts to arrive. However,
    we've had a chicken-and-egg problem here: Qemu invokes
    xc_domain_update_msi_irq(), ultimately leading to
    msixtbl_pt_register(), upon seeing that first unmask operation. Yet
    for msixtbl_range() to return true (in order to msixtbl_write() to get
    invoked at all) msixtbl_pt_register() must have completed.
    Deal with this by snooping suitable writes in msixtbl_range() and
    triggering the invocation of msix_write_completion() from
    msixtbl_pt_register() when that happens in the context of a still in
    progress vector control field write.
    Note that the seemingly unrelated deletion of the redundant
    irq_desc->msi_desc check in msixtbl_pt_register() is to make clear to
    any compiler version used that the "msi_desc" local variable isn't
    being used uninitialized. (Doing the same in msixtbl_pt_unregister() is
    just for consistency reasons.)
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
    Release-acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>
(qemu changes not included)

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