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[Xen-devel] [xen-4.5-testing test] 62756: regressions - trouble: broken/fail/pass



flight 62756 xen-4.5-testing real [real]
http://logs.test-lab.xenproject.org/osstest/logs/62756/

Regressions :-(

Tests which did not succeed and are blocking,
including tests which could not be run:
 test-amd64-amd64-xl-qemuu-win7-amd64 15 guest-localmigrate.2 fail in 62726 
REGR. vs. 62552

Tests which are failing intermittently (not blocking):
 test-amd64-i386-xl-raw        3 host-install(3)           broken pass in 62726
 test-amd64-i386-freebsd10-amd64  3 host-install(3)        broken pass in 62726
 test-amd64-amd64-xl-qemuu-winxpsp3  3 host-install(3)     broken pass in 62726
 test-amd64-amd64-xl-qemuu-win7-amd64  3 host-install(3)   broken pass in 62726
 test-amd64-i386-xl-qemut-debianhvm-amd64 3 host-install(3) broken pass in 62726
 test-amd64-i386-xl-qemuu-win7-amd64 15 guest-localmigrate.2 fail in 62726 pass 
in 62756
 test-amd64-i386-libvirt      15 guest-saverestore.2         fail pass in 62726

Regressions which are regarded as allowable (not blocking):
 test-amd64-amd64-libvirt-qcow2 13 guest-saverestore fail in 62726 REGR. vs. 
62552
 test-armhf-armhf-xl-rtds     11 guest-start                  fail   like 62552
 test-amd64-i386-xl-qemut-win7-amd64 17 guest-stop              fail like 62552
 test-amd64-i386-xl-qemuu-win7-amd64 17 guest-stop              fail like 62552

Tests which did not succeed, but are not blocking:
 test-armhf-armhf-xl-qcow2     9 debian-di-install     fail in 62726 never pass
 test-armhf-armhf-libvirt-vhd  9 debian-di-install     fail in 62726 never pass
 test-armhf-armhf-xl-raw       9 debian-di-install     fail in 62726 never pass
 test-amd64-amd64-libvirt-qcow2 11 migrate-support-check fail in 62726 never 
pass
 test-amd64-amd64-libvirt-raw 11 migrate-support-check fail in 62726 never pass
 test-amd64-i386-libvirt-vhd  11 migrate-support-check fail in 62726 never pass
 test-amd64-i386-libvirt-raw  11 migrate-support-check fail in 62726 never pass
 test-amd64-i386-libvirt-qcow2 11 migrate-support-check fail in 62726 never pass
 test-armhf-armhf-xl-vhd       9 debian-di-install            fail   never pass
 test-amd64-amd64-xl-pvh-amd  11 guest-start                  fail   never pass
 test-armhf-armhf-libvirt-qcow2  9 debian-di-install            fail never pass
 test-armhf-armhf-libvirt-raw  9 debian-di-install            fail   never pass
 test-amd64-amd64-xl-pvh-intel 11 guest-start                  fail  never pass
 test-amd64-i386-libvirt      12 migrate-support-check        fail   never pass
 test-amd64-amd64-libvirt     12 migrate-support-check        fail   never pass
 test-armhf-armhf-libvirt     14 guest-saverestore            fail   never pass
 test-armhf-armhf-libvirt     12 migrate-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-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-vhd 11 migrate-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-xl          13 saverestore-support-check    fail   never pass
 test-armhf-armhf-xl          12 migrate-support-check        fail   never pass
 test-armhf-armhf-xl-multivcpu 13 saverestore-support-check    fail  never pass
 test-armhf-armhf-xl-multivcpu 12 migrate-support-check        fail  never pass
 test-amd64-amd64-xl-qemut-win7-amd64 17 guest-stop             fail never pass

version targeted for testing:
 xen                  db0f474646878b0e91fd14f53eec6adcacc4b5ba
baseline version:
 xen                  0297baf5b5b6724e006e761249694444204dacfb

Last test of basis    62552  2015-09-30 04:48:55 Z   10 days
Testing same since    62726  2015-10-08 10:12:31 Z    2 days    2 attempts

------------------------------------------------------------
People who touched revisions under test:
  Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>
  Dario Faggioli <dario.faggioli@xxxxxxxxxx>
  Jan Beulich <jbeulich@xxxxxxxx>
  Kevin Tian <kevin.tian@xxxxxxxxx>
  Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
  Quan Xu <quan.xu@xxxxxxxxx>
  Yang Zhang <yang.z.zhang@xxxxxxxxx>

jobs:
 build-amd64                                                  pass
 build-armhf                                                  pass
 build-i386                                                   pass
 build-amd64-libvirt                                          pass
 build-armhf-libvirt                                          pass
 build-i386-libvirt                                           pass
 build-amd64-prev                                             pass
 build-i386-prev                                              pass
 build-amd64-pvops                                            pass
 build-armhf-pvops                                            pass
 build-i386-pvops                                             pass
 build-amd64-rumpuserxen                                      pass
 build-i386-rumpuserxen                                       pass
 test-amd64-amd64-xl                                          pass
 test-armhf-armhf-xl                                          pass
 test-amd64-i386-xl                                           pass
 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                     broken
 test-amd64-amd64-xl-qemuu-debianhvm-amd64                    pass
 test-amd64-i386-xl-qemuu-debianhvm-amd64                     pass
 test-amd64-i386-freebsd10-amd64                              broken
 test-amd64-amd64-xl-qemuu-ovmf-amd64                         pass
 test-amd64-i386-xl-qemuu-ovmf-amd64                          pass
 test-amd64-amd64-rumpuserxen-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                         broken
 test-amd64-i386-xl-qemuu-win7-amd64                          fail
 test-armhf-armhf-xl-arndale                                  pass
 test-amd64-amd64-xl-credit2                                  pass
 test-armhf-armhf-xl-credit2                                  pass
 test-armhf-armhf-xl-cubietruck                               pass
 test-amd64-i386-freebsd10-i386                               pass
 test-amd64-i386-rumpuserxen-i386                             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-armhf-armhf-libvirt                                     fail
 test-amd64-i386-libvirt                                      fail
 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                                pass
 test-amd64-amd64-i386-pvgrub                                 pass
 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                                       broken
 test-amd64-amd64-xl-rtds                                     pass
 test-armhf-armhf-xl-rtds                                     fail
 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                                      fail
 test-amd64-amd64-xl-qemut-winxpsp3                           pass
 test-amd64-i386-xl-qemut-winxpsp3                            pass
 test-amd64-amd64-xl-qemuu-winxpsp3                           broken
 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

broken-step test-amd64-i386-xl-raw host-install(3)
broken-step test-amd64-i386-freebsd10-amd64 host-install(3)
broken-step test-amd64-amd64-xl-qemuu-winxpsp3 host-install(3)
broken-step test-amd64-amd64-xl-qemuu-win7-amd64 host-install(3)
broken-step test-amd64-i386-xl-qemut-debianhvm-amd64 host-install(3)

Not pushing.

------------------------------------------------------------
commit db0f474646878b0e91fd14f53eec6adcacc4b5ba
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Thu Oct 8 11:38:44 2015 +0200

    x86/p2m-pt: tighten conditions of IOMMU mapping updates

    Whether the MFN changes does not depend on the new entry being valid
    (but solely on the old one), and the need to update or TLB-flush also
    depends on permission changes.

    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: George Dunlap <george.dunlap@xxxxxxxxxx>
    master commit: 660fd65d5578a95ec5eac522128bba23325179eb
    master date: 2015-10-02 13:40:36 +0200

commit 2b58d7b1bd95c8b7d7197f15b271c8bac8c41bca
Author: Dario Faggioli <dario.faggioli@xxxxxxxxxx>
Date:   Thu Oct 8 11:38:05 2015 +0200

    credit1: fix tickling when it happens from a remote pCPU

    especially if that is also from a different cpupool than the
    processor of the vCPU that triggered the tickling.

    In fact, it is possible that we get as far as calling vcpu_unblock()-->
    vcpu_wake()-->csched_vcpu_wake()-->__runq_tickle() for the vCPU 'vc',
    but all while running on a pCPU that is different from 'vc->processor'.

    For instance, this can happen when an HVM domain runs in a cpupool,
    with a different scheduler than the default one, and issues IOREQs
    to Dom0, running in Pool-0 with the default scheduler.
    In fact, right in this case, the following crash can be observed:

    (XEN) ----[ Xen-4.7-unstable  x86_64  debug=y  Tainted:    C ]----
    (XEN) CPU:    7
    (XEN) RIP:    e008:[<ffff82d0801230de>] __runq_tickle+0x18f/0x430
    (XEN) RFLAGS: 0000000000010086   CONTEXT: hypervisor (d1v0)
    (XEN) rax: 0000000000000001   rbx: ffff8303184fee00   rcx: 0000000000000000
    (XEN) ... ... ...
    (XEN) Xen stack trace from rsp=ffff83031fa57a08:
    (XEN)    ffff82d0801fe664 ffff82d08033c820 0000000100000002 0000000a00000001
    (XEN)    0000000000006831 0000000000000000 0000000000000000 0000000000000000
    (XEN) ... ... ...
    (XEN) Xen call trace:
    (XEN)    [<ffff82d0801230de>] __runq_tickle+0x18f/0x430
    (XEN)    [<ffff82d08012348a>] csched_vcpu_wake+0x10b/0x110
    (XEN)    [<ffff82d08012b421>] vcpu_wake+0x20a/0x3ce
    (XEN)    [<ffff82d08012b91c>] vcpu_unblock+0x4b/0x4e
    (XEN)    [<ffff82d080167bd0>] vcpu_kick+0x17/0x61
    (XEN)    [<ffff82d080167c46>] vcpu_mark_events_pending+0x2c/0x2f
    (XEN)    [<ffff82d08010ac35>] evtchn_fifo_set_pending+0x381/0x3f6
    (XEN)    [<ffff82d08010a0f6>] notify_via_xen_event_channel+0xc9/0xd6
    (XEN)    [<ffff82d0801c29ed>] hvm_send_ioreq+0x3e9/0x441
    (XEN)    [<ffff82d0801bba7d>] hvmemul_do_io+0x23f/0x2d2
    (XEN)    [<ffff82d0801bbb43>] hvmemul_do_io_buffer+0x33/0x64
    (XEN)    [<ffff82d0801bc92b>] hvmemul_do_pio_buffer+0x35/0x37
    (XEN)    [<ffff82d0801cc49f>] handle_pio+0x58/0x14c
    (XEN)    [<ffff82d0801eabcb>] vmx_vmexit_handler+0x16b3/0x1bea
    (XEN)    [<ffff82d0801efd21>] vmx_asm_vmexit_handler+0x41/0xc0

    In this case, pCPU 7 is not in Pool-0, while the (Dom0's) vCPU being
    woken is. pCPU's 7 pool has a different scheduler than credit, but it
    is, however, right from pCPU 7 that we are waking the Dom0's vCPUs.
    Therefore, the current code tries to access csched_balance_mask for
    pCPU 7, but that is not defined, and hence the Oops.

    (Note that, in case the two pools run the same scheduler we see no
    Oops, but things are still conceptually wrong.)

    Cure things by making the csched_balance_mask macro accept a
    parameter for fetching a specific pCPU's mask (instead than always
    using smp_processor_id()).

    Signed-off-by: Dario Faggioli <dario.faggioli@xxxxxxxxxx>
    Reviewed-by: Juergen Gross <jgross@xxxxxxxx>
    Reviewed-by: George Dunlap <george.dunlap@xxxxxxxxxx>
    master commit: ea5637968a09a81a64fa5fd73ce49b4ea9789e12
    master date: 2015-09-30 14:44:22 +0200

commit 887da2bb47573ea8784f6b2be5a8d9af14846aac
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Thu Oct 8 11:37:19 2015 +0200

    x86/p2m-pt: ignore pt-share flag for shadow mode guests

    There is no page table sharing in shadow mode.

    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: George Dunlap <george.dunlap@xxxxxxxxxx>
    master commit: c0a85795d864dd64c116af661bf676d66ddfd5fc
    master date: 2015-09-29 13:56:03 +0200

commit e4e18ecf958364c4fa3392355b7a67dff91704e8
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Thu Oct 8 11:36:52 2015 +0200

    x86/p2m-pt: delay freeing of intermediate page tables

    Old intermediate page tables must be freed only after IOMMU side
    updates/flushes have got carried out.

    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: George Dunlap <george.dunlap@xxxxxxxxxx>
    master commit: 960265fbd878cdc9841473b755e4ccc9eb1942d2
    master date: 2015-09-29 13:55:34 +0200

commit dde24142b34c64a03316fdaceb9a81db417c0ea5
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Thu Oct 8 11:35:55 2015 +0200

    x86/EPT: tighten conditions of IOMMU mapping updates

    Permission changes should also result in updates or TLB flushes.

    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Kevin Tian <kevin.tian@xxxxxxxxx>
    Reviewed-by: George Dunlap <george.dunlap@xxxxxxxxxx>
    master commit: 6c0e4ad60850032c9bbd5d18b8446421c97e08e4
    master date: 2015-09-29 10:25:29 +0200

commit b6e40c9d8853f9e555b4a18fa73c810852f723ba
Author: Quan Xu <quan.xu@xxxxxxxxx>
Date:   Thu Oct 8 11:34:56 2015 +0200

    vt-d: fix IM bit mask and unmask of Fault Event Control Register

    Bit 0:29 in Fault Event Control Register are 'Reserved and Preserved',
    software cannot write 0 to it unconditionally. Software must preserve
    the value read for writes.

    Signed-off-by: Quan Xu <quan.xu@xxxxxxxxx>
    Acked-by: Yang Zhang <yang.z.zhang@xxxxxxxxx>

    vt-d: fix IM bit unmask of Fault Event Control Register in init_vtd_hw()

    Bit 0:29 in Fault Event Control Register are 'Reserved and Preserved',
    software cannot write 0 to it unconditionally. Software must preserve
    the value read for writes.

    Suggested-by: Jan Beulich <jbeulich@xxxxxxxx>
    Signed-off-by: Quan Xu <quan.xu@xxxxxxxxx>
    master commit: 86f3ff9fc4cc3cb69b96c1de74bcc51f738fe2b9
    master date: 2015-09-25 09:08:22 +0200
    master commit: 26b300bd727ef00a8f60329212a83c3b027a48f7
    master date: 2015-09-25 18:03:04 +0200

commit d3d476f505a124cd3d6ac7f5b2aedfe6c21fea86
Author: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Date:   Thu Oct 8 11:33:28 2015 +0200

    xen/xsm: Make p->policyvers be a local variable (ver) to shut up GCC 5.1.1 
warnings.

    policydb.c: In function â??user_readâ??:
    policydb.c:1443:26: error: â??buf[2]â?? may be used uninitialized in this 
function [-Werror=maybe-uninitialized]
             usrdatum->bounds = le32_to_cpu(buf[2]);
                              ^
    cc1: all warnings being treated as errors

    Which (as Andrew mentioned) is because GCC cannot assume
    that 'p->policyvers' has the same value between checks.

    We make it local, optimize the name to 'ver' and the warnings go away.
    We also update another call site with this modification to
    make it more inline with the rest of the functions.

    Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
    Acked-by: Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>
    master commit: 6a2f81459e1455d65a9a6f78dd2a0d0278619680
    master date: 2015-09-22 12:09:03 -0400
(qemu changes not included)

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