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[Xen-devel] [xen-unstable test] 24431: regressions - FAIL



flight 24431 xen-unstable real [real]
http://www.chiark.greenend.org.uk/~xensrcts/logs/24431/

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. 24416
 test-amd64-i386-xl-win7-amd64  7 windows-install          fail REGR. vs. 24416

Tests which are failing intermittently (not blocking):
 test-amd64-i386-xl-credit2   10 guest-saverestore           fail pass in 24425
 test-amd64-amd64-xl-qemut-win7-amd64  7 windows-install     fail pass in 24425
 test-amd64-amd64-xl-sedf      7 debian-install     fail in 24425 pass in 24431
 test-armhf-armhf-xl           7 debian-install     fail in 24425 pass in 24431
 test-amd64-i386-xl-qemut-win7-amd64 3 host-install(3) broken in 24425 pass in 
24431

Regressions which are regarded as allowable (not blocking):
 test-amd64-amd64-xl-sedf     10 guest-saverestore         fail REGR. vs. 24416

Tests which did not succeed, but are not blocking:
 test-amd64-amd64-xl-pcipt-intel  9 guest-start                 fail never pass
 test-armhf-armhf-xl           9 guest-start                  fail   never pass
 test-amd64-i386-xend-winxpsp3 16 leak-check/check             fail  never pass
 test-amd64-amd64-xl-qemuu-win7-amd64 13 guest-stop             fail never pass
 test-amd64-amd64-xl-win7-amd64 13 guest-stop                   fail never pass
 test-amd64-amd64-xl-qemut-winxpsp3 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-i386-xl-qemut-win7-amd64 13 guest-stop              fail never pass
 test-amd64-i386-xl-winxpsp3-vcpus1 13 guest-stop               fail never pass
 test-amd64-amd64-xl-qemuu-winxpsp3 13 guest-stop               fail never pass
 test-amd64-amd64-xl-winxpsp3 13 guest-stop                   fail   never pass
 test-amd64-amd64-xl-qemut-win7-amd64 13 guest-stop    fail in 24425 never pass

version targeted for testing:
 xen                  58f5bcaf05621810f06bf5b3592e2ae87475053d
baseline version:
 xen                  f26d849dff24120e6ad633db94abfbc6e6572503

------------------------------------------------------------
People who touched revisions under test:
  David Vrabel <david.vrabel@xxxxxxxxxx>
  Frediano Ziglio <frediano.ziglio@xxxxxxxxxx>
  Ian Campbell <ian.campbell@xxxxxxxxxx>
  Tim Deegan <tim@xxxxxxx>
  Yang Zhang <yang.z.zhang@xxxxxxxxx>
------------------------------------------------------------

jobs:
 build-amd64-xend                                             pass    
 build-i386-xend                                              pass    
 build-amd64                                                  pass    
 build-armhf                                                  pass    
 build-i386                                                   pass    
 build-amd64-oldkern                                          fail    
 build-i386-oldkern                                           pass    
 build-amd64-pvops                                            pass    
 build-armhf-pvops                                            pass    
 build-i386-pvops                                             pass    
 test-amd64-amd64-xl                                          pass    
 test-armhf-armhf-xl                                          fail    
 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-i386-freebsd10-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-amd64-xl-win7-amd64                               fail    
 test-amd64-i386-xl-win7-amd64                                fail    
 test-amd64-i386-xl-credit2                                   fail    
 test-amd64-i386-freebsd10-i386                               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                                     fail    
 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 58f5bcaf05621810f06bf5b3592e2ae87475053d
Author: David Vrabel <david.vrabel@xxxxxxxxxx>
Date:   Fri Jan 17 16:02:00 2014 +0100

    MAINTAINERS: remove Linux sections
    
    The LINUX (PV_OPS) section was out-dated and it's better to only have
    this information in one place (Tte Linux MAINTAINERS file).
    
    The LINUX (XCP) section was an external project that that hasn't been
    maintained for years.
    
    Signed-off-by: David Vrabel <david.vrabel@xxxxxxxxxx>
    Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

commit 0b988ba711171b39aed9851cfe90fded50f775c5
Author: Yang Zhang <yang.z.zhang@xxxxxxxxx>
Date:   Fri Jan 17 16:00:21 2014 +0100

    nested EPT: fixing wrong handling for L2 guest's direct mmio access
    
    L2 guest will access the physical device directly(nested VT-d). For such 
access,
    Shadow EPT table should point to device's MMIO. But in current logic, L0 
doesn't
    distinguish the MMIO whether from qemu or physical device when building 
shadow EPT table.
    This is wrong. This patch will setup the correct shadow EPT table for such 
MMIO ranges.
    
    Signed-off-by: Yang Zhang <yang.z.zhang@xxxxxxxxx>
    Acked-by: Tim Deegan <tim@xxxxxxx>

commit e9af61b969906976188609379183cb304935f448
Author: Frediano Ziglio <frediano.ziglio@xxxxxxxxxx>
Date:   Fri Jan 17 15:58:27 2014 +0100

    mce: fix race condition in mctelem_xchg_head
    
    The function (mctelem_xchg_head()) used to exchange mce telemetry
    list heads is racy.  It may write to the head twice, with the second
    write linking to an element in the wrong state.
    
    If there are two threads, T1 inserting on committed list; and T2
    trying to consume it.
    
    1. T1 starts inserting an element (A), sets prev pointer (mcte_prev).
    2. T1 is interrupted after the cmpxchg succeeded.
    3. T2 gets the list and changes element A and updates the commit list
       head.
    4. T1 resumes, reads pointer to prev again and compare with result
       from the cmpxchg which succeeded but in the meantime prev changed
       in memory.
    5. T1 thinks the cmpxchg failed and goes around the loop again,
       linking head to A again.
    
    To solve the race use temporary variable for prev pointer.
    
    *linkp (which point to a field in the element) must be updated before
    the cmpxchg() as after a successful cmpxchg the element might be
    immediately removed and reinitialized.
    
    The wmb() prior to the cmpchgptr() call is not necessary since it is
    already a full memory barrier.  This wmb() is thus removed.
    
    Signed-off-by: Frediano Ziglio <frediano.ziglio@xxxxxxxxxx>
    Reviewed-by: Liu Jinsong <jinsong.liu@xxxxxxxxx>
(qemu changes not included)

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