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[Xen-devel] [xen-unstable test] 17475: regressions - FAIL



flight 17475 xen-unstable real [real]
http://www.chiark.greenend.org.uk/~xensrcts/logs/17475/

Regressions :-(

Tests which did not succeed and are blocking,
including tests which could not be run:
 build-amd64-oldkern           4 xen-build                 fail REGR. vs. 17473

Tests which did not succeed, but are not blocking:
 test-amd64-amd64-xl-pcipt-intel  9 guest-start                 fail never pass
 test-amd64-i386-xend-winxpsp3 16 leak-check/check             fail  never pass
 test-amd64-amd64-xl-win7-amd64 13 guest-stop                   fail never pass
 test-amd64-amd64-xl-qemut-win7-amd64 13 guest-stop             fail never pass
 test-amd64-amd64-xl-qemuu-winxpsp3 13 guest-stop               fail never pass
 test-amd64-i386-xl-win7-amd64 13 guest-stop                   fail  never pass
 test-amd64-i386-xl-qemut-win7-amd64 13 guest-stop              fail never pass
 test-amd64-amd64-xl-winxpsp3 13 guest-stop                   fail   never pass
 test-amd64-amd64-xl-qemut-winxpsp3 13 guest-stop               fail never pass
 test-amd64-i386-xl-winxpsp3-vcpus1 13 guest-stop               fail never pass
 test-amd64-i386-xl-qemut-winxpsp3-vcpus1 13 guest-stop         fail never pass
 test-amd64-i386-xend-qemut-winxpsp3 16 leak-check/check        fail never pass
 test-amd64-amd64-xl-qemuu-win7-amd64 13 guest-stop             fail never pass

version targeted for testing:
 xen                  cfc515dabe91e3d6c690c68c6a669d6d77fb7ac4
baseline version:
 xen                  41e71c2607e036f1ac00df898b8f4acb2d4df7ee

------------------------------------------------------------
People who touched revisions under test:
  Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  Dongxiao Xu <dongxiao.xu@xxxxxxxxx>
  Keir Fraser <keir@xxxxxxx>
  Stefan Bader <stefan.bader@xxxxxxxxxxxxx>
  Tim Deegan <tim@xxxxxxx>
------------------------------------------------------------

jobs:
 build-amd64                                                  pass    
 build-armhf                                                  pass    
 build-i386                                                   pass    
 build-amd64-oldkern                                          fail    
 build-i386-oldkern                                           pass    
 build-amd64-pvops                                            pass    
 build-i386-pvops                                             pass    
 test-amd64-amd64-xl                                          pass    
 test-amd64-i386-xl                                           pass    
 test-amd64-i386-rhel6hvm-amd                                 pass    
 test-amd64-i386-qemut-rhel6hvm-amd                           pass    
 test-amd64-i386-qemuu-rhel6hvm-amd                           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-amd64-xl-win7-amd64                               fail    
 test-amd64-i386-xl-win7-amd64                                fail    
 test-amd64-i386-xl-credit2                                   pass    
 test-amd64-amd64-xl-pcipt-intel                              fail    
 test-amd64-i386-rhel6hvm-intel                               pass    
 test-amd64-i386-qemut-rhel6hvm-intel                         pass    
 test-amd64-i386-qemuu-rhel6hvm-intel                         pass    
 test-amd64-i386-xl-multivcpu                                 pass    
 test-amd64-amd64-pair                                        pass    
 test-amd64-i386-pair                                         pass    
 test-amd64-amd64-xl-sedf-pin                                 pass    
 test-amd64-amd64-pv                                          pass    
 test-amd64-i386-pv                                           pass    
 test-amd64-amd64-xl-sedf                                     pass    
 test-amd64-i386-xl-qemut-winxpsp3-vcpus1                     fail    
 test-amd64-i386-xl-winxpsp3-vcpus1                           fail    
 test-amd64-i386-xend-qemut-winxpsp3                          fail    
 test-amd64-amd64-xl-qemut-winxpsp3                           fail    
 test-amd64-amd64-xl-qemuu-winxpsp3                           fail    
 test-amd64-i386-xend-winxpsp3                                fail    
 test-amd64-amd64-xl-winxpsp3                                 fail    


------------------------------------------------------------
sg-report-flight on woking.cam.xci-test.com
logs: /home/xc_osstest/logs
images: /home/xc_osstest/images

Logs, config files, etc. are available at
    http://www.chiark.greenend.org.uk/~xensrcts/logs

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


Not pushing.

------------------------------------------------------------
commit cfc515dabe91e3d6c690c68c6a669d6d77fb7ac4
Author: Tim Deegan <tim@xxxxxxx>
Date:   Thu Mar 28 10:32:17 2013 +0000

    x86/mm/shadow: spurious warning when unmapping xenheap pages.
    
    Xenheap pages will always have an extra typecount, taken in
    share_xen_page_with_guest(), which doesn't come from a shadow PTE.
    Adjust the warning in sh_remove_all_mappings() to account for it.
    
    Reported-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Signed-off-by: Tim Deegan <tim@xxxxxxx>
    Tested-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

commit 0d2e673a763bc7c2ddf97fed074eb691d325ecc5
Author: Stefan Bader <stefan.bader@xxxxxxxxxxxxx>
Date:   Thu Apr 4 10:37:19 2013 +0200

    VMX: Always disable SMEP when guest is in non-paging mode
    
    commit e7dda8ec9fc9020e4f53345cdbb18a2e82e54a65
      VMX: disable SMEP feature when guest is in non-paging mode
    
    disabled the SMEP bit if a guest VCPU was using HAP and was not
    in paging mode. However I could observe VCPUs getting stuck in
    the trampoline after the following patch in the Linux kernel
    changed the way CR4 gets set up:
      x86, realmode: read cr4 and EFER from kernel for 64-bit trampoline
    
    The change will set CR4 from already set flags which includes the
    SMEP bit. On bare metal this does not matter as the CPU is in non-
    paging mode at that time. But Xen seems to use the emulated non-
    paging mode regardless of HAP (I verified that on the guests I was
    seeing the issue, HAP was not used).
    
    Therefor it seems right to unset the SMEP bit for a VCPU that is
    not in paging-mode, regardless of its HAP usage.
    
    Signed-off-by: Stefan Bader <stefan.bader@xxxxxxxxxxxxx>
    Acked-by: Keir Fraser <keir@xxxxxxx>
    Acked-by: Dongxiao Xu <dongxiao.xu@xxxxxxxxx>
(qemu changes not included)

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