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[Xen-devel] [linux-3.18 bisection] complete test-amd64-amd64-pair



branch xen-unstable
xenbranch xen-unstable
job test-amd64-amd64-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:  7b8052e19304865477e03a0047062d977309a22f
  Bug not present: d255d18a34a8d53ccc4a019dc07e17b6e8cf6bd1
  Last fail repro: http://logs.test-lab.xenproject.org/osstest/logs/131278/


  commit 7b8052e19304865477e03a0047062d977309a22f
  Author: Jan Beulich <JBeulich@xxxxxxxx>
  Date:   Mon Oct 19 04:23:29 2015 -0600
  
      igb: fix NULL derefs due to skipped SR-IOV enabling
      
      [ Upstream commit be06998f96ecb93938ad2cce46c4289bf7cf45bc ]
      
      The combined effect of commits 6423fc3416 ("igb: do not re-init SR-IOV
      during probe") and ceee3450b3 ("igb: make sure SR-IOV init uses the
      right number of queues") causes VFs no longer getting set up, leading
      to NULL pointer dereferences due to the adapter's ->vf_data being NULL
      while ->vfs_allocated_count is non-zero. The first commit not only
      neglected the side effect of igb_sriov_reinit() that the second commit
      tried to account for, but also that of setting IGB_FLAG_HAS_MSIX,
      without which igb_enable_sriov() is effectively a no-op. Calling
      igb_{,re}set_interrupt_capability() as done here seems to address this,
      but I'm not sure whether this is better than sinply reverting the other
      two commits.
      
      Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
      Tested-by: Aaron Brown <aaron.f.brown@xxxxxxxxx>
      Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@xxxxxxxxx>
      Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>


For bisection revision-tuple graph see:
   
http://logs.test-lab.xenproject.org/osstest/results/bisect/linux-3.18/test-amd64-amd64-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-3.18/test-amd64-amd64-pair.xen-boot--dst_host
 --summary-out=tmp/131280.bisection-summary --basis-template=128858 
--blessings=real,real-bisect --flight=131280 linux-3.18 test-amd64-amd64-pair 
xen-boot/dst_host
Searching for failure / basis pass:
 131231 fail [dst_host=debina1,src_host=debina0] / 130367 
[dst_host=albana0,src_host=albana1] 130203 [dst_host=albana0,src_host=albana1] 
130067 [dst_host=pinot1,src_host=pinot0] 129845 
[dst_host=albana1,src_host=albana0] 129760 
[dst_host=godello1,src_host=godello0] 128858 
[dst_host=elbling0,src_host=elbling1] 128841 
[dst_host=elbling0,src_host=elbling1] 128807 
[dst_host=godello1,src_host=godello0] 128691 [dst_host=fiano1,src_host=fiano0] 
128258 [dst_host=fiano1,src_host=fiano0] 128232 
[dst_host=albana1,src_host=albana0] 128177 ok.
Failure / basis pass flights: 131231 / 128177
(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 3879c163e8681939b1d93139521aee983623884f 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
82855aba5bf91e50c81526167c11d4aeaf665e66
Basis pass 921b2fed6a79439ef1609ef4af0ada5cccb3555c 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
9c0eed618f37dd5b4a57c8b3fbc48ef8913e3149 
de5b678ca4dcdfa83e322491d478d66df56c1986 
940185b2f6f343251c2b83bd96e599398cea51ec
Generating revisions with ./adhoc-revtuple-generator  
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git#921b2fed6a79439ef1609ef4af0ada5cccb3555c-3879c163e8681939b1d93139521aee983623884f
 
git://xenbits.xen.org/osstest/linux-firmware.git#c530a75c1e6a472b0eb9558310b518f0dfcd8860-c530a75c1e6a472b0eb9558310b518f0dfcd8860
 
git://xenbits.xen.org/qemu-xen-traditional.git#9c0eed618f37dd5b4a57c8b3fbc48ef8913e3149-d0d8ad39ecb51cd7497cd524484fe09f50876798
 
git://xenbits.xen.org/qemu-xen.git#de5b678ca4dcdfa83e322491d478d66df56c1986-de5b678ca4dcdfa83e322491d478d66df56c1986
 
git://xenbits.xen.org/xen.git#940185b2f6f343251c2b83bd96e599398cea51ec-82855aba5bf91e50c81526167c11d4aeaf665e66
Loaded 3004 nodes in revision graph
Searching for test results:
 128096 [dst_host=chardonnay1,src_host=chardonnay0]
 128177 pass 921b2fed6a79439ef1609ef4af0ada5cccb3555c 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
9c0eed618f37dd5b4a57c8b3fbc48ef8913e3149 
de5b678ca4dcdfa83e322491d478d66df56c1986 
940185b2f6f343251c2b83bd96e599398cea51ec
 128232 [dst_host=albana1,src_host=albana0]
 128258 [dst_host=fiano1,src_host=fiano0]
 128691 [dst_host=fiano1,src_host=fiano0]
 128807 [dst_host=godello1,src_host=godello0]
 128858 [dst_host=elbling0,src_host=elbling1]
 128841 [dst_host=elbling0,src_host=elbling1]
 129760 [dst_host=godello1,src_host=godello0]
 129845 [dst_host=albana1,src_host=albana0]
 130067 [dst_host=pinot1,src_host=pinot0]
 130203 [dst_host=albana0,src_host=albana1]
 130367 [dst_host=albana0,src_host=albana1]
 130843 fail irrelevant
 130876 fail irrelevant
 130939 fail irrelevant
 131095 fail 3879c163e8681939b1d93139521aee983623884f 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
82855aba5bf91e50c81526167c11d4aeaf665e66
 131035 fail irrelevant
 131149 fail 3879c163e8681939b1d93139521aee983623884f 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
82855aba5bf91e50c81526167c11d4aeaf665e66
 131192 fail 3879c163e8681939b1d93139521aee983623884f 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
82855aba5bf91e50c81526167c11d4aeaf665e66
 131271 pass d255d18a34a8d53ccc4a019dc07e17b6e8cf6bd1 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
6d8ffac1f7a782dc2c7f8df3871a294729ae36bd
 131272 fail 7b8052e19304865477e03a0047062d977309a22f 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
6d8ffac1f7a782dc2c7f8df3871a294729ae36bd
 131254 pass 921b2fed6a79439ef1609ef4af0ada5cccb3555c 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
9c0eed618f37dd5b4a57c8b3fbc48ef8913e3149 
de5b678ca4dcdfa83e322491d478d66df56c1986 
940185b2f6f343251c2b83bd96e599398cea51ec
 131258 fail 3879c163e8681939b1d93139521aee983623884f 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
82855aba5bf91e50c81526167c11d4aeaf665e66
 131273 pass d255d18a34a8d53ccc4a019dc07e17b6e8cf6bd1 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
6d8ffac1f7a782dc2c7f8df3871a294729ae36bd
 131259 pass 17a4b61833db0fd17164dfa7762cf6354d794e3f 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
6d8ffac1f7a782dc2c7f8df3871a294729ae36bd
 131260 blocked 50057d1de0173052ef90783eee8b49287c5a7aff 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
568653e01b84be5ac15fbf949bbcffcd91d6e829
 131231 fail 3879c163e8681939b1d93139521aee983623884f 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
82855aba5bf91e50c81526167c11d4aeaf665e66
 131261 fail 78e0897dd8b321ba1b4a2137778ab7ae7d400af5 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
84f08707182dc240156f30540517beecbf5918b4
 131275 fail 7b8052e19304865477e03a0047062d977309a22f 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
6d8ffac1f7a782dc2c7f8df3871a294729ae36bd
 131277 pass d255d18a34a8d53ccc4a019dc07e17b6e8cf6bd1 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
6d8ffac1f7a782dc2c7f8df3871a294729ae36bd
 131262 fail 7b8052e19304865477e03a0047062d977309a22f 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
6d8ffac1f7a782dc2c7f8df3871a294729ae36bd
 131266 pass aa4b7331d3121555088cddc4de0c819768961d46 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
6d8ffac1f7a782dc2c7f8df3871a294729ae36bd
 131267 pass 21bfce667e8afb19265e65309af2a44737293f92 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
6d8ffac1f7a782dc2c7f8df3871a294729ae36bd
 131268 pass 1c857dc0e69fdba81e5169cf4b3d2a9daaa783eb 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
6d8ffac1f7a782dc2c7f8df3871a294729ae36bd
 131278 fail 7b8052e19304865477e03a0047062d977309a22f 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
6d8ffac1f7a782dc2c7f8df3871a294729ae36bd
 131269 pass ce2c2e07337e98eb42904ef27c3ce62972d22a60 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
6d8ffac1f7a782dc2c7f8df3871a294729ae36bd
 131270 pass 61fde28f92ab9a329ef06e0ab3f41269e3930213 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
6d8ffac1f7a782dc2c7f8df3871a294729ae36bd
Searching for interesting versions
 Result found: flight 128177 (pass), for basis pass
 Result found: flight 131095 (fail), for basis failure
 Repro found: flight 131254 (pass), for basis pass
 Repro found: flight 131258 (fail), for basis failure
 0 revisions at d255d18a34a8d53ccc4a019dc07e17b6e8cf6bd1 
c530a75c1e6a472b0eb9558310b518f0dfcd8860 
d0d8ad39ecb51cd7497cd524484fe09f50876798 
de5b678ca4dcdfa83e322491d478d66df56c1986 
6d8ffac1f7a782dc2c7f8df3871a294729ae36bd
No revisions left to test, checking graph state.
 Result found: flight 131271 (pass), for last pass
 Result found: flight 131272 (fail), for first failure
 Repro found: flight 131273 (pass), for last pass
 Repro found: flight 131275 (fail), for first failure
 Repro found: flight 131277 (pass), for last pass
 Repro found: flight 131278 (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:  7b8052e19304865477e03a0047062d977309a22f
  Bug not present: d255d18a34a8d53ccc4a019dc07e17b6e8cf6bd1
  Last fail repro: http://logs.test-lab.xenproject.org/osstest/logs/131278/


  commit 7b8052e19304865477e03a0047062d977309a22f
  Author: Jan Beulich <JBeulich@xxxxxxxx>
  Date:   Mon Oct 19 04:23:29 2015 -0600
  
      igb: fix NULL derefs due to skipped SR-IOV enabling
      
      [ Upstream commit be06998f96ecb93938ad2cce46c4289bf7cf45bc ]
      
      The combined effect of commits 6423fc3416 ("igb: do not re-init SR-IOV
      during probe") and ceee3450b3 ("igb: make sure SR-IOV init uses the
      right number of queues") causes VFs no longer getting set up, leading
      to NULL pointer dereferences due to the adapter's ->vf_data being NULL
      while ->vfs_allocated_count is non-zero. The first commit not only
      neglected the side effect of igb_sriov_reinit() that the second commit
      tried to account for, but also that of setting IGB_FLAG_HAS_MSIX,
      without which igb_enable_sriov() is effectively a no-op. Calling
      igb_{,re}set_interrupt_capability() as done here seems to address this,
      but I'm not sure whether this is better than sinply reverting the other
      two commits.
      
      Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
      Tested-by: Aaron Brown <aaron.f.brown@xxxxxxxxx>
      Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@xxxxxxxxx>
      Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

dot: graph is too large for cairo-renderer bitmaps. Scaling by 0.613442 to fit
pnmtopng: 36 colors found
Revision graph left in 
/home/logs/results/bisect/linux-3.18/test-amd64-amd64-pair.xen-boot--dst_host.{dot,ps,png,html,svg}.
No revision to test.

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