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[linux-4.1 bisection] complete test-amd64-i386-pair



branch xen-unstable
xenbranch xen-unstable
job test-amd64-i386-pair
testid xen-boot/dst_host

Tree: linux 
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git
Tree: linuxfirmware git://xenbits.xen.org/osstest/linux-firmware.git
Tree: qemu git://xenbits.xen.org/qemu-xen-traditional.git
Tree: qemuu git://xenbits.xen.org/qemu-xen.git
Tree: xen git://xenbits.xen.org/xen.git

*** Found and reproduced problem changeset ***

  Bug is in tree:  linux 
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git
  Bug introduced:  9a9a2373142ac2c6fd9df9d038eb929b919e30d7
  Bug not present: 1b15bd7396897e2f8018f863dd18006092a4deb0
  Last fail repro: http://logs.test-lab.xenproject.org/osstest/logs/103366/


  commit 9a9a2373142ac2c6fd9df9d038eb929b919e30d7
  Author: Kashyap Desai <kashyap.desai@xxxxxxxxxxxx>
  Date:   Fri Oct 21 06:33:32 2016 -0700
  
      scsi: megaraid_sas: Fix data integrity failure for JBOD (passthrough) 
devices
      
      [ Upstream commit 1e793f6fc0db920400574211c48f9157a37e3945 ]
      
      Commit 02b01e010afe ("megaraid_sas: return sync cache call with
      success") modified the driver to successfully complete SYNCHRONIZE_CACHE
      commands without passing them to the controller. Disk drive caches are
      only explicitly managed by controller firmware when operating in RAID
      mode. So this commit effectively disabled writeback cache flushing for
      any drives used in JBOD mode, leading to data integrity failures.
      
      [mkp: clarified patch description]
      
      Fixes: 02b01e010afeeb49328d35650d70721d2ca3fd59
      CC: stable@xxxxxxxxxxxxxxx
      Signed-off-by: Kashyap Desai <kashyap.desai@xxxxxxxxxxxx>
      Signed-off-by: Sumit Saxena <sumit.saxena@xxxxxxxxxxxx>
      Reviewed-by: Tomas Henzl <thenzl@xxxxxxxxxx>
      Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>
      Reviewed-by: Ewan D. Milne <emilne@xxxxxxxxxx>
      Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
      Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>


For bisection revision-tuple graph see:
   
http://logs.test-lab.xenproject.org/osstest/results/bisect/linux-4.1/test-amd64-i386-pair.xen-boot--dst_host.html
Revision IDs in each graph node refer, respectively, to the Trees above.

----------------------------------------
Running cs-bisection-step 
--graph-out=/home/logs/results/bisect/linux-4.1/test-amd64-i386-pair.xen-boot--dst_host
 --summary-out=tmp/103370.bisection-summary --basis-template=101737 
--blessings=real,real-bisect --flight=103370 linux-4.1 test-amd64-i386-pair 
xen-boot/dst_host
Searching for failure / basis pass:
 103264 fail [dst_host=nobling1,src_host=nobling0] / 101737 
[dst_host=huxelrebe1,src_host=huxelrebe0] 101715 
[dst_host=pinot1,src_host=pinot0] 101687 [dst_host=elbling0,src_host=elbling1] 
101672 [dst_host=nocera1,src_host=nocera0] 101659 
[dst_host=fiano1,src_host=fiano0] 101649 [dst_host=baroque1,src_host=baroque0] 
101401 [dst_host=chardonnay1,src_host=chardonnay0] 101004 
[dst_host=elbling0,src_host=elbling1] 101001 
[dst_host=huxelrebe1,src_host=huxelrebe0] 100753 
[dst_host=nocera1,src_host=nocera0] 100594 
[dst_host=huxelrebe1,src_host=huxelrebe0] 100587 
[dst_host=chardonnay0,src_host=chardonnay1] 100383 
[dst_host=chardonnay1,src_host=chardonnay0] 100371 
[dst_host=pinot0,src_host=pinot1] 99879 [dst_host=baroque1,src_host=baroque0] 
99873 [dst_host=elbling1,src_host=elbling0] 99847 
[dst_host=pinot1,src_host=pinot0] 99801 [dst_host=pinot1,src_host=pinot0] 99741 
[dst_host=pinot1,src_host=pinot0] 99714 [dst_host=pinot1,src_host=pinot0] 99701 
[dst_host=pinot1,src_host=pinot0] 99664 [dst_host=pinot1,src_host=pinot0] 97730 
[dst_host=pinot1,src_host=pinot0] 97692 [dst_host=pinot1,src_host=pinot0] 97644 
[dst_host=pinot1,src_host=pinot0] 97613 [dst_host=pinot1,src_host=pinot0] 97558 
[dst_host=pinot1,src_host=pinot0] 97496 [dst_host=pinot1,src_host=pinot0] 97434 
[dst_host=pinot1,src_host=pinot0] 97394 [dst_host=pinot1,src_host=pinot0] 97279 
[dst_host=pinot1,src_host=pinot0] 96211 [dst_host=baroque1,src_host=baroque0] 
96183 [dst_host=fiano1,src_host=fiano0] 96160 [dst_host=pinot0,src_host=pinot1] 
95848 [dst_host=elbling0,src_host=elbling1] 95818 
[dst_host=pinot1,src_host=pinot0] 95591 
[dst_host=huxelrebe1,src_host=huxelrebe0] 95517 
[dst_host=chardonnay0,src_host=chardonnay1] 95455 
[dst_host=chardonnay1,src_host=chardonnay0] 95408 
[dst_host=rimava0,src_host=rimava1] 94729 [dst_host=elbling1,src_host=elbling0] 
94034 [dst_host=italia0,src_host=italia1] 93220 
[dst_host=huxelrebe0,src_host=huxelrebe1] 93111 
[dst_host=baroque1,src_host=baroque0] 92143 
[dst_host=huxelrebe1,src_host=huxelrebe0] 91350 
[dst_host=rimava0,src_host=rimava1] 91189 [dst_host=baroque1,src_host=baroque0] 
91008 [dst_host=chardonnay0,src_host=chardonnay1] 90845 
[dst_host=pinot0,src_host=pinot1] 89382 [dst_host=fiano0,src_host=fiano1] 89248 
[dst_host=pinot1,src_host=pinot0] 88721 [dst_host=merlot1,src_host=merlot0] 
88639 [dst_host=huxelrebe1,src_host=huxelrebe0] 88510 
[dst_host=elbling0,src_host=elbling1] 88390 
[dst_host=elbling1,src_host=elbling0] 88251 [dst_host=fiano1,src_host=fiano0] 
88073 [dst_host=baroque0,src_host=baroque1] 87856 
[dst_host=italia0,src_host=italia1] 87765 [dst_host=rimava0,src_host=rimava1] 
87692 [dst_host=pinot0,src_host=pinot1] 87582 
[dst_host=baroque1,src_host=baroque0] 87465 
[dst_host=huxelrebe0,src_host=huxelrebe1] 87295 
[dst_host=fiano0,src_host=fiano1] 87204 
[dst_host=chardonnay0,src_host=chardonnay1] 87117 
[dst_host=pinot1,src_host=pinot0] 87031 [dst_host=rimava1,src_host=rimava0] 
86912 [dst_host=chardonnay1,src_host=chardonnay0] 86830 
[dst_host=huxelrebe1,src_host=huxelrebe0] 86761 
[dst_host=elbling0,src_host=elbling1] 86654 
[dst_host=elbling1,src_host=elbling0] 86587 [dst_host=fiano1,src_host=fiano0] 
86510 [dst_host=nocera0,src_host=nocera1] 86441 
[dst_host=baroque0,src_host=baroque1] 86392 [dst_host=italia1,src_host=italia0] 
86330 [dst_host=italia0,src_host=italia1] 86270 
[dst_host=nocera1,src_host=nocera0] 86144 [dst_host=baroque1,src_host=baroque0] 
86070 [dst_host=huxelrebe0,src_host=huxelrebe1] 85972 
[dst_host=fiano0,src_host=fiano1] 85868 [dst_host=pinot1,src_host=pinot0] 85746 
[dst_host=chardonnay0,src_host=chardonnay1] 85682 
[dst_host=chardonnay1,src_host=chardonnay0] 85641 
[dst_host=huxelrebe1,src_host=huxelrebe0] 85582 
[dst_host=elbling0,src_host=elbling1] 85470 
[dst_host=elbling1,src_host=elbling0] 85331 [dst_host=fiano1,src_host=fiano0] 
84995 [dst_host=nocera0,src_host=nocera1] 84906 
[dst_host=baroque1,src_host=baroque0] 84496 [dst_host=rimava0,src_host=rimava1] 
84400 [dst_host=huxelrebe0,src_host=huxelrebe1] 84313 
[dst_host=fiano0,src_host=fiano1] 84194 [dst_host=pinot0,src_host=pinot1] 84050 
[dst_host=rimava1,src_host=rimava0] 83835 
[dst_host=chardonnay0,src_host=chardonnay1] 83683 
[dst_host=huxelrebe1,src_host=huxelrebe0] 83520 
[dst_host=chardonnay1,src_host=chardonnay0] 83210 
[dst_host=fiano1,src_host=fiano0] 83005 [dst_host=baroque0,src_host=baroque1] 
82991 [dst_host=italia1,src_host=italia0] 82845 
[dst_host=baroque1,src_host=baroque0] 82689 [dst_host=rimava0,src_host=rimava1] 
82560 [dst_host=huxelrebe0,src_host=huxelrebe1] 82264 
[dst_host=pinot0,src_host=pinot1] 81641 
[dst_host=huxelrebe1,src_host=huxelrebe0] 81078 
[dst_host=chardonnay0,src_host=chardonnay1] 80752 
[dst_host=italia0,src_host=italia1] 80533 [dst_host=nocera0,src_host=nocera1] 
80370 [dst_host=fiano0,src_host=fiano1] 80172 
[dst_host=baroque0,src_host=baroque1] 79950 
[dst_host=baroque1,src_host=baroque0] 79817 [dst_host=fiano1,src_host=fiano0] 
79527 [dst_host=rimava1,src_host=rimava0] 79430 
[dst_host=italia1,src_host=italia0] 79387 
[dst_host=chardonnay1,src_host=chardonnay0] 79162 
[dst_host=huxelrebe0,src_host=huxelrebe1] 79090 
[dst_host=huxelrebe1,src_host=huxelrebe0] 79008 
[dst_host=pinot1,src_host=pinot0] 66399 [dst_host=baroque0,src_host=baroque1] 
65781 [dst_host=baroque1,src_host=baroque0] 65699 
[dst_host=huxelrebe0,src_host=huxelrebe1] 63996 
[dst_host=italia1,src_host=italia0] 63341 [dst_host=fiano1,src_host=fiano0] 
63223 [dst_host=huxelrebe0,src_host=huxelrebe1] 63067 
[dst_host=chardonnay1,src_host=chardonnay0] 63030 
[dst_host=italia1,src_host=italia0] 63013 [dst_host=baroque0,src_host=baroque1] 
63000 [dst_host=baroque1,src_host=baroque0] 62987 
[dst_host=merlot1,src_host=merlot0] 62976 [dst_host=fiano0,src_host=fiano1] 
62963 [dst_host=chardonnay0,src_host=chardonnay1] 62951 
[dst_host=pinot0,src_host=pinot1] 62935 [dst_host=pinot1,src_host=pinot0] 62831 
[dst_host=italia0,src_host=italia1] 62738 
[dst_host=huxelrebe0,src_host=huxelrebe1] 62690 
[dst_host=huxelrebe1,src_host=huxelrebe0] 62659 
[dst_host=italia1,src_host=italia0] 62540 [dst_host=pinot0,src_host=pinot1] 
62318 [dst_host=pinot1,src_host=pinot0] 62256 
[dst_host=italia1,src_host=italia0] 62053 [dst_host=merlot1,src_host=merlot0] 
61947 [dst_host=elbling1,src_host=elbling0] 60785 
[dst_host=elbling1,src_host=elbling0] 60746 
[dst_host=elbling1,src_host=elbling0] 60654 
[dst_host=elbling1,src_host=elbling0] 60547 
[dst_host=elbling1,src_host=elbling0] 60030 
[dst_host=elbling1,src_host=elbling0] 59960 
[dst_host=elbling1,src_host=elbling0] 59909 
[dst_host=elbling1,src_host=elbling0] 59811 
[dst_host=elbling1,src_host=elbling0] 59393 
[dst_host=huxelrebe1,src_host=huxelrebe0] 59275 
[dst_host=pinot1,src_host=pinot0] 59198 [dst_host=fiano0,src_host=fiano1] 59143 
[dst_host=fiano1,src_host=fiano0] 59092 
[dst_host=chardonnay1,src_host=chardonnay0] 59054 
[dst_host=italia0,src_host=italia1] 59031 [dst_host=italia1,src_host=italia0] 
template as basis? using template as basis.
Failure / basis pass flights: 103264 / 101737
(tree with no url: minios)
(tree with no url: ovmf)
(tree with no url: seabios)
Tree: linux 
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git
Tree: linuxfirmware git://xenbits.xen.org/osstest/linux-firmware.git
Tree: qemu git://xenbits.xen.org/qemu-xen-traditional.git
Tree: qemuu git://xenbits.xen.org/qemu-xen.git
Tree: xen git://xenbits.xen.org/xen.git
Latest 8576fa45c10e665bb72931a31461c7310f3c5494 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
89c4cbe8d234049b0145e4dc5e5d19d626250b57 
4220231eb22235e757d269722b9f6a594fbcb70f 
8e4b2676685f50bc26f03b5f62d8b7aea8e69dbf
Basis pass 9ca365c0c8bdd8552ec064f0e696600cf7ea66dd 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c4e0d84d3c92923fdbc7fa922638d54e5e834753 
6cfcdf037edadba984ccf8476b5d1e2a0940b789 
6f9b62ca57322197e26d3b22ff11b629697142bd
Generating revisions with ./adhoc-revtuple-generator  
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git#9ca365c0c8bdd8552ec064f0e696600cf7ea66dd-8576fa45c10e665bb72931a31461c7310f3c5494
 
git://xenbits.xen.org/osstest/linux-firmware.git#c530a75c1e6a472b0eb9558310b518f0dfcd8860-c530a75c1e6a472b0eb9558310b518f0dfcd8860
 
git://xenbits.xen.org/qemu-xen-traditional.git#c4e0d84d3c92923fdbc7fa922638d54e5e834753-89c4cbe8d234049b0145e4dc5e5d19d626250b57
 
git://xenbits.xen.org/qemu-xen.git#6cfcdf037edadba984ccf8476b5d1e2a0940b789-4220231eb22235e757d269722b9f6a594fbcb70f
 
git://xenbits.xen.org/xen.git#6f9b62ca57322197e26d3b22ff11b629697142bd-8e4b2676685f50bc26f03b5f62d8b7aea8e69dbf
Loaded 6012 nodes in revision graph
Searching for test results:
 101649 [dst_host=baroque1,src_host=baroque0]
 101672 [dst_host=nocera1,src_host=nocera0]
 101659 [dst_host=fiano1,src_host=fiano0]
 101687 [dst_host=elbling0,src_host=elbling1]
 101715 [dst_host=pinot1,src_host=pinot0]
 101737 [dst_host=huxelrebe1,src_host=huxelrebe0]
 102733 fail 8576fa45c10e665bb72931a31461c7310f3c5494 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c4e0d84d3c92923fdbc7fa922638d54e5e834753 
4220231eb22235e757d269722b9f6a594fbcb70f 
99a10da1b4fee8ef7a096e5fd3608f6c15932eb0
 102755 fail 8576fa45c10e665bb72931a31461c7310f3c5494 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c4e0d84d3c92923fdbc7fa922638d54e5e834753 
4220231eb22235e757d269722b9f6a594fbcb70f 
99a10da1b4fee8ef7a096e5fd3608f6c15932eb0
 102778 fail 8576fa45c10e665bb72931a31461c7310f3c5494 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
89c4cbe8d234049b0145e4dc5e5d19d626250b57 
4220231eb22235e757d269722b9f6a594fbcb70f 
a7a578ce6b8634eec30cb8445ea98e18d9b4e9b8
 102829 fail 8576fa45c10e665bb72931a31461c7310f3c5494 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
89c4cbe8d234049b0145e4dc5e5d19d626250b57 
4220231eb22235e757d269722b9f6a594fbcb70f 
a7a578ce6b8634eec30cb8445ea98e18d9b4e9b8
 102886 fail 8576fa45c10e665bb72931a31461c7310f3c5494 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
89c4cbe8d234049b0145e4dc5e5d19d626250b57 
4220231eb22235e757d269722b9f6a594fbcb70f 
a7a578ce6b8634eec30cb8445ea98e18d9b4e9b8
 102929 fail 8576fa45c10e665bb72931a31461c7310f3c5494 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
89c4cbe8d234049b0145e4dc5e5d19d626250b57 
4220231eb22235e757d269722b9f6a594fbcb70f 
8e4b2676685f50bc26f03b5f62d8b7aea8e69dbf
 102979 fail 8576fa45c10e665bb72931a31461c7310f3c5494 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
89c4cbe8d234049b0145e4dc5e5d19d626250b57 
4220231eb22235e757d269722b9f6a594fbcb70f 
8e4b2676685f50bc26f03b5f62d8b7aea8e69dbf
 103089 fail 8576fa45c10e665bb72931a31461c7310f3c5494 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
89c4cbe8d234049b0145e4dc5e5d19d626250b57 
4220231eb22235e757d269722b9f6a594fbcb70f 
8e4b2676685f50bc26f03b5f62d8b7aea8e69dbf
 103165 fail 8576fa45c10e665bb72931a31461c7310f3c5494 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
89c4cbe8d234049b0145e4dc5e5d19d626250b57 
4220231eb22235e757d269722b9f6a594fbcb70f 
8e4b2676685f50bc26f03b5f62d8b7aea8e69dbf
 103264 fail 8576fa45c10e665bb72931a31461c7310f3c5494 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
89c4cbe8d234049b0145e4dc5e5d19d626250b57 
4220231eb22235e757d269722b9f6a594fbcb70f 
8e4b2676685f50bc26f03b5f62d8b7aea8e69dbf
 103291 pass 9ca365c0c8bdd8552ec064f0e696600cf7ea66dd 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c4e0d84d3c92923fdbc7fa922638d54e5e834753 
6cfcdf037edadba984ccf8476b5d1e2a0940b789 
6f9b62ca57322197e26d3b22ff11b629697142bd
 103301 fail 8576fa45c10e665bb72931a31461c7310f3c5494 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
89c4cbe8d234049b0145e4dc5e5d19d626250b57 
4220231eb22235e757d269722b9f6a594fbcb70f 
8e4b2676685f50bc26f03b5f62d8b7aea8e69dbf
 103326 pass 93ec720c6f10712fc1c6f87a7412194c85b366b9 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c4e0d84d3c92923fdbc7fa922638d54e5e834753 
53307d7a9c749237386eb2ccaa709c786cb5f8a5 
7b5266abfdf7f842c49ce4a52d250e523bc0172d
 103333 pass 5bc028b10d041cb5340e5c87d4bc22e6b9e452d4 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c4e0d84d3c92923fdbc7fa922638d54e5e834753 
4220231eb22235e757d269722b9f6a594fbcb70f 
1c524dd494019bc98e23075dcdba11c8e6add017
 103362 pass 1b15bd7396897e2f8018f863dd18006092a4deb0 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c4e0d84d3c92923fdbc7fa922638d54e5e834753 
4220231eb22235e757d269722b9f6a594fbcb70f 
1c524dd494019bc98e23075dcdba11c8e6add017
 103348 fail 9a9a2373142ac2c6fd9df9d038eb929b919e30d7 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c4e0d84d3c92923fdbc7fa922638d54e5e834753 
4220231eb22235e757d269722b9f6a594fbcb70f 
1c524dd494019bc98e23075dcdba11c8e6add017
 103334 fail d207c6603fc6be402f6e75181c9dae0bfd585e56 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c4e0d84d3c92923fdbc7fa922638d54e5e834753 
4220231eb22235e757d269722b9f6a594fbcb70f 
1c524dd494019bc98e23075dcdba11c8e6add017
 103310 pass 9ca365c0c8bdd8552ec064f0e696600cf7ea66dd 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c4e0d84d3c92923fdbc7fa922638d54e5e834753 
6cfcdf037edadba984ccf8476b5d1e2a0940b789 
6f9b62ca57322197e26d3b22ff11b629697142bd
 103337 fail a2d4bd9c99cc8c1fae2a8200eaaff00c0ca9d6fc 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c4e0d84d3c92923fdbc7fa922638d54e5e834753 
4220231eb22235e757d269722b9f6a594fbcb70f 
1c524dd494019bc98e23075dcdba11c8e6add017
 103318 fail 8576fa45c10e665bb72931a31461c7310f3c5494 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
89c4cbe8d234049b0145e4dc5e5d19d626250b57 
4220231eb22235e757d269722b9f6a594fbcb70f 
8e4b2676685f50bc26f03b5f62d8b7aea8e69dbf
 103321 pass c1f5e5f89b9916333efc1c9bcf9c648c192e072b 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c4e0d84d3c92923fdbc7fa922638d54e5e834753 
6cfcdf037edadba984ccf8476b5d1e2a0940b789 
93aa42b85ae0084ba7b749d0e990c94fbf0c17e3
 103366 fail 9a9a2373142ac2c6fd9df9d038eb929b919e30d7 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c4e0d84d3c92923fdbc7fa922638d54e5e834753 
4220231eb22235e757d269722b9f6a594fbcb70f 
1c524dd494019bc98e23075dcdba11c8e6add017
 103340 fail 9a9a2373142ac2c6fd9df9d038eb929b919e30d7 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c4e0d84d3c92923fdbc7fa922638d54e5e834753 
4220231eb22235e757d269722b9f6a594fbcb70f 
1c524dd494019bc98e23075dcdba11c8e6add017
 103354 pass 1b15bd7396897e2f8018f863dd18006092a4deb0 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c4e0d84d3c92923fdbc7fa922638d54e5e834753 
4220231eb22235e757d269722b9f6a594fbcb70f 
1c524dd494019bc98e23075dcdba11c8e6add017
 103344 pass 1b15bd7396897e2f8018f863dd18006092a4deb0 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c4e0d84d3c92923fdbc7fa922638d54e5e834753 
4220231eb22235e757d269722b9f6a594fbcb70f 
1c524dd494019bc98e23075dcdba11c8e6add017
 103359 fail 9a9a2373142ac2c6fd9df9d038eb929b919e30d7 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c4e0d84d3c92923fdbc7fa922638d54e5e834753 
4220231eb22235e757d269722b9f6a594fbcb70f 
1c524dd494019bc98e23075dcdba11c8e6add017
Searching for interesting versions
 Result found: flight 103291 (pass), for basis pass
 Result found: flight 103301 (fail), for basis failure
 Repro found: flight 103310 (pass), for basis pass
 Repro found: flight 103318 (fail), for basis failure
 0 revisions at 1b15bd7396897e2f8018f863dd18006092a4deb0 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
c4e0d84d3c92923fdbc7fa922638d54e5e834753 
4220231eb22235e757d269722b9f6a594fbcb70f 
1c524dd494019bc98e23075dcdba11c8e6add017
No revisions left to test, checking graph state.
 Result found: flight 103344 (pass), for last pass
 Result found: flight 103348 (fail), for first failure
 Repro found: flight 103354 (pass), for last pass
 Repro found: flight 103359 (fail), for first failure
 Repro found: flight 103362 (pass), for last pass
 Repro found: flight 103366 (fail), for first failure

*** Found and reproduced problem changeset ***

  Bug is in tree:  linux 
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git
  Bug introduced:  9a9a2373142ac2c6fd9df9d038eb929b919e30d7
  Bug not present: 1b15bd7396897e2f8018f863dd18006092a4deb0
  Last fail repro: http://logs.test-lab.xenproject.org/osstest/logs/103366/


  commit 9a9a2373142ac2c6fd9df9d038eb929b919e30d7
  Author: Kashyap Desai <kashyap.desai@xxxxxxxxxxxx>
  Date:   Fri Oct 21 06:33:32 2016 -0700
  
      scsi: megaraid_sas: Fix data integrity failure for JBOD (passthrough) 
devices
      
      [ Upstream commit 1e793f6fc0db920400574211c48f9157a37e3945 ]
      
      Commit 02b01e010afe ("megaraid_sas: return sync cache call with
      success") modified the driver to successfully complete SYNCHRONIZE_CACHE
      commands without passing them to the controller. Disk drive caches are
      only explicitly managed by controller firmware when operating in RAID
      mode. So this commit effectively disabled writeback cache flushing for
      any drives used in JBOD mode, leading to data integrity failures.
      
      [mkp: clarified patch description]
      
      Fixes: 02b01e010afeeb49328d35650d70721d2ca3fd59
      CC: stable@xxxxxxxxxxxxxxx
      Signed-off-by: Kashyap Desai <kashyap.desai@xxxxxxxxxxxx>
      Signed-off-by: Sumit Saxena <sumit.saxena@xxxxxxxxxxxx>
      Reviewed-by: Tomas Henzl <thenzl@xxxxxxxxxx>
      Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>
      Reviewed-by: Ewan D. Milne <emilne@xxxxxxxxxx>
      Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
      Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>

pnmtopng: 247 colors found
Revision graph left in 
/home/logs/results/bisect/linux-4.1/test-amd64-i386-pair.xen-boot--dst_host.{dot,ps,png,html,svg}.
No revision to test.

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