Re: [Xen-devel] [linux-3.10 bisection] complete test-amd64-amd64-xl-vhd

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Tue, 2015-09-08 at 05:24 +0000, osstest service owner wrote:
> branch xen-unstable
> xen branch xen-unstable
> job test-amd64-amd64-xl-vhd
> test debian-di-install
> 
> 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/staging/qemu-xen-unstable.git
> Tree: qemuu git://xenbits.xen.org/staging/qemu-upstream-unstable.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:  292f53675e097ca807df744fb6fd39211a134bf7
>   Bug not present: 3f2c206ae6f9e1005ac7f092e8d65c17307a0d59
> 
> 
>   commit 292f53675e097ca807df744fb6fd39211a134bf7
>   Author: Marek Marczykowski-GÃrecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
>   Date:   Fri Jun 26 03:28:24 2015 +0200
>   
>       xen/gntdevt: Fix race condition in gntdev_release()


Known issue:
 http://lists.xen.org/archives/html/xen-devel/2015-09/msg00161.html


>       
>       commit 30b03d05e07467b8c6ec683ea96b5bffcbcd3931 upstream.
>       
>       While gntdev_release() is called the MMU notifier is still 
> registered
>       and can traverse priv->maps list even if no pages are mapped (which 
> is
>       the case -- gntdev_release() is called after all). But
>       gntdev_release() will clear that list, so make sure that only one 
> of
>       those things happens at the same time.
>       
>       Signed-off-by: Marek Marczykowski-GÃrecki <
> marmarek@xxxxxxxxxxxxxxxxxxxxxx>
>       Signed-off-by: David Vrabel <david.vrabel@xxxxxxxxxx>
>       Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> 
> 
> For bisection revision-tuple graph see:
>    http://logs.test-lab.xenproject.org/osstest/results/bisect/linux
> -3.10/test-amd64-amd64-xl-vhd.debian-di-install.html
> Revision IDs in each graph node refer, respectively, to the Trees above.
> 
> ----------------------------------------
> Running cs-bisection-step --graph-out=/home/logs/results/bisect/linux
> -3.10/test-amd64-amd64-xl-vhd.debian-di-install --summary
> -out=tmp/61590.bisection-summary --basis-template=60670 -
> -blessings=real,real-bisect linux-3.10 test-amd64-amd64-xl-vhd debian-di
> -install
> Searching for failure / basis pass:
>  61268 fail [host=chardonnay1] / 60670 [host=godello1] 60656 
> [host=chardonnay0] 60548 [host=fiano1] template as basis? using template 
> as basis.
> Failure / basis pass flights: 61268 / 60670
> (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/staging/qemu-xen-unstable.git
> Tree: qemuu git://xenbits.xen.org/staging/qemu-upstream-unstable.git
> Tree: xen git://xenbits.xen.org/xen.git
> Latest 5a427ce18a14d6b85972c62196a8f10c3624d74a 
> c530a75c1e6a472b0eb9558310b518f0dfcd8860 
> 5cdde31eacdd288359746019ad05cac8ed5d9f70 
> b05befcbea71a979509ce04f02929969a790c923 
> 801ab48e5556cb54f67e3cb57f077f47e8663ced
> Basis pass 78fb9f4236d9077fb343fb5a4e55fe27075e9a1d 
> c530a75c1e6a472b0eb9558310b518f0dfcd8860 
> 7f057440b31da38196e3398fd1b618fc36ad97d6 
> bcf35eec0b621c46dbf0aeb40c6bc06b5d3981aa 
> 201eac83831d94ba2e9a63a7eed4c128633fafb1
> Generating revisions with ./adhoc-revtuple-generator 
>  git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux
> -stable.git#78fb9f4236d9077fb343fb5a4e55fe27075e9a1d
> -5a427ce18a14d6b85972c62196a8f10c3624d74a 
> git://xenbits.xen.org/osstest/linux
> -firmware.git#c530a75c1e6a472b0eb9558310b518f0dfcd8860
> -c530a75c1e6a472b0eb9558310b518f0dfcd8860 
> git://xenbits.xen.org/staging/qemu-xen
> -unstable.git#7f057440b31da38196e3398fd1b618fc36ad97d6
> -5cdde31eacdd288359746019ad05cac8ed5d9f70 
> git://xenbits.xen.org/staging/qemu-upstream
> -unstable.git#bcf35eec0b621c46dbf0aeb40c6bc06b5d3981aa
> -b05befcbea71a979509ce04f02929969a790c923 
> git://xenbits.xen.org/xen.git#201eac83831d94ba2e9a63a7eed4c128633fafb1
> -801ab48e5556cb54f67e3cb57f077f47e8663ced
> Loaded 18027 nodes in revision graph
> Searching for test results:
>  60670 [host=godello1]
>  60656 [host=chardonnay0]
>  60827 fail irrelevant
>  60790 fail irrelevant
>  60748 fail irrelevant
>  60950 fail 5a427ce18a14d6b85972c62196a8f10c3624d74a 
> c530a75c1e6a472b0eb9558310b518f0dfcd8860 
> 7f057440b31da38196e3398fd1b618fc36ad97d6 
> b05befcbea71a979509ce04f02929969a790c923 
> 7b99717f62caeac08eea224a177cd28f047ac4b5
>  60865 fail irrelevant
>  60992 fail 5a427ce18a14d6b85972c62196a8f10c3624d74a 
> c530a75c1e6a472b0eb9558310b518f0dfcd8860 
> 7f057440b31da38196e3398fd1b618fc36ad97d6 
> b05befcbea71a979509ce04f02929969a790c923 
> 7b99717f62caeac08eea224a177cd28f047ac4b5
>  61103 fail 5a427ce18a14d6b85972c62196a8f10c3624d74a 
> c530a75c1e6a472b0eb9558310b518f0dfcd8860 
> 7f057440b31da38196e3398fd1b618fc36ad97d6 
> b05befcbea71a979509ce04f02929969a790c923 
> 7b99717f62caeac08eea224a177cd28f047ac4b5
>  61327 fail 5a427ce18a14d6b85972c62196a8f10c3624d74a 
> c530a75c1e6a472b0eb9558310b518f0dfcd8860 
> 7f057440b31da38196e3398fd1b618fc36ad97d6 
> b05befcbea71a979509ce04f02929969a790c923 
> 7b99717f62caeac08eea224a177cd28f047ac4b5
>  61325 fail 5a427ce18a14d6b85972c62196a8f10c3624d74a 
> c530a75c1e6a472b0eb9558310b518f0dfcd8860 
> 7f057440b31da38196e3398fd1b618fc36ad97d6 
> b05befcbea71a979509ce04f02929969a790c923 
> 7b99717f62caeac08eea224a177cd28f047ac4b5
>  61324 pass 78fb9f4236d9077fb343fb5a4e55fe27075e9a1d 
> c530a75c1e6a472b0eb9558310b518f0dfcd8860 
> 7f057440b31da38196e3398fd1b618fc36ad97d6 
> bcf35eec0b621c46dbf0aeb40c6bc06b5d3981aa 
> 201eac83831d94ba2e9a63a7eed4c128633fafb1
>  61268 fail 5a427ce18a14d6b85972c62196a8f10c3624d74a 
> c530a75c1e6a472b0eb9558310b518f0dfcd8860 
> 5cdde31eacdd288359746019ad05cac8ed5d9f70 
> b05befcbea71a979509ce04f02929969a790c923 
> 801ab48e5556cb54f67e3cb57f077f47e8663ced
>  61326 pass 78fb9f4236d9077fb343fb5a4e55fe27075e9a1d 
> c530a75c1e6a472b0eb9558310b518f0dfcd8860 
> 7f057440b31da38196e3398fd1b618fc36ad97d6 
> bcf35eec0b621c46dbf0aeb40c6bc06b5d3981aa 
> 201eac83831d94ba2e9a63a7eed4c128633fafb1
>  61538 pass e850ac8e566a530291d3c6d023030b3ea4a5d48e 
> c530a75c1e6a472b0eb9558310b518f0dfcd8860 
> 7f057440b31da38196e3398fd1b618fc36ad97d6 
> bcf35eec0b621c46dbf0aeb40c6bc06b5d3981aa 
> 743289d0296268fe6bad64531a24d8053afeb062
>  61527 pass 78fb9f4236d9077fb343fb5a4e55fe27075e9a1d 
> c530a75c1e6a472b0eb9558310b518f0dfcd8860 
> 7f057440b31da38196e3398fd1b618fc36ad97d6 
> bcf35eec0b621c46dbf0aeb40c6bc06b5d3981aa 
> 201eac83831d94ba2e9a63a7eed4c128633fafb1
>  61532 fail 5a427ce18a14d6b85972c62196a8f10c3624d74a 
> c530a75c1e6a472b0eb9558310b518f0dfcd8860 
> 5cdde31eacdd288359746019ad05cac8ed5d9f70 
> b05befcbea71a979509ce04f02929969a790c923 
> 801ab48e5556cb54f67e3cb57f077f47e8663ced
>  61517 fail 5a427ce18a14d6b85972c62196a8f10c3624d74a 
> c530a75c1e6a472b0eb9558310b518f0dfcd8860 
> 5cdde31eacdd288359746019ad05cac8ed5d9f70 
> b05befcbea71a979509ce04f02929969a790c923 
> 801ab48e5556cb54f67e3cb57f077f47e8663ced
>  61534 pass 78fb9f4236d9077fb343fb5a4e55fe27075e9a1d 
> c530a75c1e6a472b0eb9558310b518f0dfcd8860 
> 7f057440b31da38196e3398fd1b618fc36ad97d6 
> bcf35eec0b621c46dbf0aeb40c6bc06b5d3981aa 
> 672101b54269d7a69c2ccaa345ea396dcca63238
>  61543 fail c4a6d3f3491a55269ee1e8d99f6fa7bab15cc011 
> c530a75c1e6a472b0eb9558310b518f0dfcd8860 
> 7f057440b31da38196e3398fd1b618fc36ad97d6 
> bcf35eec0b621c46dbf0aeb40c6bc06b5d3981aa 
> 743289d0296268fe6bad64531a24d8053afeb062
>  61544 pass 3f2c206ae6f9e1005ac7f092e8d65c17307a0d59 
> c530a75c1e6a472b0eb9558310b518f0dfcd8860 
> 7f057440b31da38196e3398fd1b618fc36ad97d6 
> bcf35eec0b621c46dbf0aeb40c6bc06b5d3981aa 
> 743289d0296268fe6bad64531a24d8053afeb062
>  61590 fail 292f53675e097ca807df744fb6fd39211a134bf7 
> c530a75c1e6a472b0eb9558310b518f0dfcd8860 
> 7f057440b31da38196e3398fd1b618fc36ad97d6 
> bcf35eec0b621c46dbf0aeb40c6bc06b5d3981aa 
> 743289d0296268fe6bad64531a24d8053afeb062
>  61547 fail 621468a3d79c2ef11ef2ec2eeb1038b8c4373b7d 
> c530a75c1e6a472b0eb9558310b518f0dfcd8860 
> 7f057440b31da38196e3398fd1b618fc36ad97d6 
> bcf35eec0b621c46dbf0aeb40c6bc06b5d3981aa 
> 743289d0296268fe6bad64531a24d8053afeb062
>  61565 pass 3f2c206ae6f9e1005ac7f092e8d65c17307a0d59 
> c530a75c1e6a472b0eb9558310b518f0dfcd8860 
> 7f057440b31da38196e3398fd1b618fc36ad97d6 
> bcf35eec0b621c46dbf0aeb40c6bc06b5d3981aa 
> 743289d0296268fe6bad64531a24d8053afeb062
>  61553 fail d3646ba72fd7292e9166866aed65e6e8de4b6440 
> c530a75c1e6a472b0eb9558310b518f0dfcd8860 
> 7f057440b31da38196e3398fd1b618fc36ad97d6 
> bcf35eec0b621c46dbf0aeb40c6bc06b5d3981aa 
> 743289d0296268fe6bad64531a24d8053afeb062
>  61561 fail 292f53675e097ca807df744fb6fd39211a134bf7 
> c530a75c1e6a472b0eb9558310b518f0dfcd8860 
> 7f057440b31da38196e3398fd1b618fc36ad97d6 
> bcf35eec0b621c46dbf0aeb40c6bc06b5d3981aa 
> 743289d0296268fe6bad64531a24d8053afeb062
>  61580 fail 292f53675e097ca807df744fb6fd39211a134bf7 
> c530a75c1e6a472b0eb9558310b518f0dfcd8860 
> 7f057440b31da38196e3398fd1b618fc36ad97d6 
> bcf35eec0b621c46dbf0aeb40c6bc06b5d3981aa 
> 743289d0296268fe6bad64531a24d8053afeb062
>  61584 pass 3f2c206ae6f9e1005ac7f092e8d65c17307a0d59 
> c530a75c1e6a472b0eb9558310b518f0dfcd8860 
> 7f057440b31da38196e3398fd1b618fc36ad97d6 
> bcf35eec0b621c46dbf0aeb40c6bc06b5d3981aa 
> 743289d0296268fe6bad64531a24d8053afeb062
> Searching for interesting versions
>  Result found: flight 61324 (pass), for basis pass
>  Result found: flight 61517 (fail), for basis failure
>  Repro found: flight 61527 (pass), for basis pass
>  Repro found: flight 61532 (fail), for basis failure
>  0 revisions at 3f2c206ae6f9e1005ac7f092e8d65c17307a0d59 
> c530a75c1e6a472b0eb9558310b518f0dfcd8860 
> 7f057440b31da38196e3398fd1b618fc36ad97d6 
> bcf35eec0b621c46dbf0aeb40c6bc06b5d3981aa 
> 743289d0296268fe6bad64531a24d8053afeb062
> No revisions left to test, checking graph state.
>  Result found: flight 61544 (pass), for last pass
>  Result found: flight 61561 (fail), for first failure
>  Repro found: flight 61565 (pass), for last pass
>  Repro found: flight 61580 (fail), for first failure
>  Repro found: flight 61584 (pass), for last pass
>  Repro found: flight 61590 (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:  292f53675e097ca807df744fb6fd39211a134bf7
>   Bug not present: 3f2c206ae6f9e1005ac7f092e8d65c17307a0d59
> 
> 
>   commit 292f53675e097ca807df744fb6fd39211a134bf7
>   Author: Marek Marczykowski-GÃrecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
>   Date:   Fri Jun 26 03:28:24 2015 +0200
>   
>       xen/gntdevt: Fix race condition in gntdev_release()
>       
>       commit 30b03d05e07467b8c6ec683ea96b5bffcbcd3931 upstream.
>       
>       While gntdev_release() is called the MMU notifier is still 
> registered
>       and can traverse priv->maps list even if no pages are mapped (which 
> is
>       the case -- gntdev_release() is called after all). But
>       gntdev_release() will clear that list, so make sure that only one 
> of
>       those things happens at the same time.
>       
>       Signed-off-by: Marek Marczykowski-GÃrecki <
> marmarek@xxxxxxxxxxxxxxxxxxxxxx>
>       Signed-off-by: David Vrabel <david.vrabel@xxxxxxxxxx>
>       Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> 
> Revision graph left in /home/logs/results/bisect/linux-3.10/test-amd64
> -amd64-xl-vhd.debian-di-install.{dot,ps,png,html}.
> ----------------------------------------
> 61590: tolerable ALL FAIL
> 
> flight 61590 linux-3.10 real-bisect [real]
> http://logs.test-lab.xenproject.org/osstest/logs/61590/
> 
> Failures :-/ but no regressions.
> 
> Tests which did not succeed,
> including tests which could not be run:
>  test-amd64-amd64-xl-vhd       9 debian-di-install       fail baseline 
> untested
> 
> 
> jobs:
>  test-amd64-amd64-xl-vhd                                      fail    
> 
> 
> ------------------------------------------------------------
> 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
> 

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