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[Xen-devel] [xen-4.5-testing bisection] complete test-amd64-i386-xl-qemut-debianhvm-amd64

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Date: Sun, 20 Aug 2017 19:41:28 +0000

Delivery-date: Sun, 20 Aug 2017 19:41:51 +0000

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branch xen-4.5-testing xenbranch xen-4.5-testing job test-amd64-i386-xl-qemut-debianhvm-amd64 testid debian-hvm-install Tree: linux git://xenbits.xen.org/linux-pvops.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: xen git://xenbits.xen.org/xen.git Bug introduced: 42c8ba5dfc0be9d646f191c744c5fa71d7f372fa Bug not present: d38489de9df93a4679cae2ae02b75287778fb3ed Last fail repro: http://logs.test-lab.xenproject.org/osstest/logs/112761/ commit 42c8ba5dfc0be9d646f191c744c5fa71d7f372fa Author: Jan Beulich <jbeulich@xxxxxxxx> Date: Thu Aug 17 15:15:35 2017 +0200 gnttab: don't use possibly unbounded tail calls There is no guarantee that the compiler would actually translate them to branches instead of calls, so only ones with a known recursion limit are okay: - __release_grant_for_copy() can call itself only once, as __acquire_grant_for_copy() won't permit use of multi-level transitive grants, - __acquire_grant_for_copy() is fine to call itself with the last argument false, as that prevents further recursion, - __acquire_grant_for_copy() must not call itself to recover from an observed change to the active entry's pin count This is part of XSA-226. Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx> Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> master commit: 999d2ccb7f73408aa22656e1ba2f98b077eaa1c2 master date: 2017-08-17 14:39:18 +0200 For bisection revision-tuple graph see: http://logs.test-lab.xenproject.org/osstest/results/bisect/xen-4.5-testing/test-amd64-i386-xl-qemut-debianhvm-amd64.debian-hvm-install.html Revision IDs in each graph node refer, respectively, to the Trees above. ---------------------------------------- Running cs-bisection-step --graph-out=/home/logs/results/bisect/xen-4.5-testing/test-amd64-i386-xl-qemut-debianhvm-amd64.debian-hvm-install --summary-out=tmp/112761.bisection-summary --basis-template=110906 --blessings=real,real-bisect xen-4.5-testing test-amd64-i386-xl-qemut-debianhvm-amd64 debian-hvm-install Searching for failure / basis pass: 112706 fail [host=nobling1] / 112669 [host=fiano1] 112652 [host=baroque0] 110906 [host=chardonnay1] 108183 [host=baroque0] 108141 [host=huxelrebe1] 107236 [host=fiano0] 107205 [host=rimava0] 106840 [host=elbling1] 105847 [host=huxelrebe1] 105827 [host=fiano0] 105817 [host=pinot1] 104590 [host=italia1] 104573 [host=chardonnay1] 103805 [host=nobling0] 103398 [host=huxelrebe1] 103316 [host=chardonnay0] 103196 [host=baroque0] 103161 [host=baroque1] 103051 [host=merlot0] 103007 ok. Failure / basis pass flights: 112706 / 103007 (tree with no url: ovmf) (tree with no url: seabios) Tree: linux git://xenbits.xen.org/linux-pvops.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 a97a16f18c4895e41951a44d27af8af0b8f1d897 c530a75c1e6a472b0eb9558310b518f0dfcd8860 ccdb305038126996646cfc6fedcaebb1fee4f19b 853d4dbe41ab40dfd289b93158afbb41ddcb4a54 136ff4ea88123d7728a01187ee9bbdf010b23345 Basis pass b65f2f457c49b2cfd7967c34b7a0b04c25587f13 c530a75c1e6a472b0eb9558310b518f0dfcd8860 fadd27b1a7d6f5cfc4786ef09d60b368e44226ad 37a460ca696381bb14dfbf012d7a062c7c05c324 bdf3ef18a3f5d7f2e6b198838f6e77f237d3e3f2 Generating revisions with ./adhoc-revtuple-generator git://xenbits.xen.org/linux-pvops.git#b65f2f457c49b2cfd7967c34b7a0b04c25587f13-a97a16f18c4895e41951a44d27af8af0b8f1d897 git://xenbits.xen.org/osstest/linux-firmware.git#c530a75c1e6a472b0eb9558310b518f0dfcd8860-c530a75c1e6a472b0eb9558310b518f0dfcd8860 git://xenbits.xen.org/qemu-xen-traditional.git#fadd27b1a7d6f5cfc4786ef09d60b368e44226ad-ccdb305038126996646cfc6fedcaebb1fee4f19b git://xenbits.xen.org/qemu-xen.git#37a460ca696381bb14dfbf012d7a062c7c05c324-853d4dbe41ab40dfd289b93158afbb41ddcb4a54 git://xenbits.xen.org/xen.git#bdf3ef18a3f5d7f2e6b198838f6e77f237d3e3f2-136ff4ea88123d7728a01187ee9bbdf010b23345 adhoc-revtuple-generator: tree discontiguous: linux-pvops Loaded 5011 nodes in revision graph Searching for test results: 102767 [host=huxelrebe1] 102855 [host=pinot1] 102795 [host=huxelrebe1] 102905 [host=elbling0] 102952 [host=nocera1] 103051 [host=merlot0] 103007 pass b65f2f457c49b2cfd7967c34b7a0b04c25587f13 c530a75c1e6a472b0eb9558310b518f0dfcd8860 fadd27b1a7d6f5cfc4786ef09d60b368e44226ad 37a460ca696381bb14dfbf012d7a062c7c05c324 bdf3ef18a3f5d7f2e6b198838f6e77f237d3e3f2 103161 [host=baroque1] 103196 [host=baroque0] 103316 [host=chardonnay0] 103398 [host=huxelrebe1] 103805 [host=nobling0] 104355 [] 104368 [] 104391 [] 104465 [] 104426 [] 104528 [] 104590 [host=italia1] 104544 [] 104573 [host=chardonnay1] 105817 [host=pinot1] 105847 [host=huxelrebe1] 105827 [host=fiano0] 106872 [host=pinot0] 106840 [host=elbling1] 107205 [host=rimava0] 107236 [host=fiano0] 108141 [host=huxelrebe1] 108183 [host=baroque0] 110906 [host=chardonnay1] 112652 [host=baroque0] 112669 [host=fiano1] 112689 fail irrelevant 112734 pass b65f2f457c49b2cfd7967c34b7a0b04c25587f13 c530a75c1e6a472b0eb9558310b518f0dfcd8860 ccdb305038126996646cfc6fedcaebb1fee4f19b 6b0966a4422a6374db0f250b181bb4276c9e7a10 a28b99d05c2f9e759091a315d65e818c68440d1d 112751 fail a97a16f18c4895e41951a44d27af8af0b8f1d897 c530a75c1e6a472b0eb9558310b518f0dfcd8860 ccdb305038126996646cfc6fedcaebb1fee4f19b 853d4dbe41ab40dfd289b93158afbb41ddcb4a54 42c8ba5dfc0be9d646f191c744c5fa71d7f372fa 112737 pass b65f2f457c49b2cfd7967c34b7a0b04c25587f13 c530a75c1e6a472b0eb9558310b518f0dfcd8860 ccdb305038126996646cfc6fedcaebb1fee4f19b 6b0966a4422a6374db0f250b181bb4276c9e7a10 773094e2403906fe1352377542da51fda4f98bfc 112754 pass a97a16f18c4895e41951a44d27af8af0b8f1d897 c530a75c1e6a472b0eb9558310b518f0dfcd8860 ccdb305038126996646cfc6fedcaebb1fee4f19b 853d4dbe41ab40dfd289b93158afbb41ddcb4a54 d38489de9df93a4679cae2ae02b75287778fb3ed 112738 pass b65f2f457c49b2cfd7967c34b7a0b04c25587f13 c530a75c1e6a472b0eb9558310b518f0dfcd8860 ccdb305038126996646cfc6fedcaebb1fee4f19b 6b0966a4422a6374db0f250b181bb4276c9e7a10 6ec173b1e3ad9c7761e6c3fcf68058a62eaffe70 112741 pass b65f2f457c49b2cfd7967c34b7a0b04c25587f13 c530a75c1e6a472b0eb9558310b518f0dfcd8860 ccdb305038126996646cfc6fedcaebb1fee4f19b 853d4dbe41ab40dfd289b93158afbb41ddcb4a54 3217129eb65c0d4995ed08fb8919e3c334cad548 112706 fail a97a16f18c4895e41951a44d27af8af0b8f1d897 c530a75c1e6a472b0eb9558310b518f0dfcd8860 ccdb305038126996646cfc6fedcaebb1fee4f19b 853d4dbe41ab40dfd289b93158afbb41ddcb4a54 136ff4ea88123d7728a01187ee9bbdf010b23345 112729 pass b65f2f457c49b2cfd7967c34b7a0b04c25587f13 c530a75c1e6a472b0eb9558310b518f0dfcd8860 fadd27b1a7d6f5cfc4786ef09d60b368e44226ad 37a460ca696381bb14dfbf012d7a062c7c05c324 bdf3ef18a3f5d7f2e6b198838f6e77f237d3e3f2 112732 fail a97a16f18c4895e41951a44d27af8af0b8f1d897 c530a75c1e6a472b0eb9558310b518f0dfcd8860 ccdb305038126996646cfc6fedcaebb1fee4f19b 853d4dbe41ab40dfd289b93158afbb41ddcb4a54 136ff4ea88123d7728a01187ee9bbdf010b23345 112744 pass b65f2f457c49b2cfd7967c34b7a0b04c25587f13 c530a75c1e6a472b0eb9558310b518f0dfcd8860 ccdb305038126996646cfc6fedcaebb1fee4f19b 853d4dbe41ab40dfd289b93158afbb41ddcb4a54 d38489de9df93a4679cae2ae02b75287778fb3ed 112756 fail a97a16f18c4895e41951a44d27af8af0b8f1d897 c530a75c1e6a472b0eb9558310b518f0dfcd8860 ccdb305038126996646cfc6fedcaebb1fee4f19b 853d4dbe41ab40dfd289b93158afbb41ddcb4a54 42c8ba5dfc0be9d646f191c744c5fa71d7f372fa 112760 pass a97a16f18c4895e41951a44d27af8af0b8f1d897 c530a75c1e6a472b0eb9558310b518f0dfcd8860 ccdb305038126996646cfc6fedcaebb1fee4f19b 853d4dbe41ab40dfd289b93158afbb41ddcb4a54 d38489de9df93a4679cae2ae02b75287778fb3ed 112747 pass a97a16f18c4895e41951a44d27af8af0b8f1d897 c530a75c1e6a472b0eb9558310b518f0dfcd8860 ccdb305038126996646cfc6fedcaebb1fee4f19b 853d4dbe41ab40dfd289b93158afbb41ddcb4a54 d38489de9df93a4679cae2ae02b75287778fb3ed 112761 fail a97a16f18c4895e41951a44d27af8af0b8f1d897 c530a75c1e6a472b0eb9558310b518f0dfcd8860 ccdb305038126996646cfc6fedcaebb1fee4f19b 853d4dbe41ab40dfd289b93158afbb41ddcb4a54 42c8ba5dfc0be9d646f191c744c5fa71d7f372fa Searching for interesting versions Result found: flight 103007 (pass), for basis pass Result found: flight 112706 (fail), for basis failure Repro found: flight 112729 (pass), for basis pass Repro found: flight 112732 (fail), for basis failure 0 revisions at a97a16f18c4895e41951a44d27af8af0b8f1d897 c530a75c1e6a472b0eb9558310b518f0dfcd8860 ccdb305038126996646cfc6fedcaebb1fee4f19b 853d4dbe41ab40dfd289b93158afbb41ddcb4a54 d38489de9df93a4679cae2ae02b75287778fb3ed No revisions left to test, checking graph state. Result found: flight 112747 (pass), for last pass Result found: flight 112751 (fail), for first failure Repro found: flight 112754 (pass), for last pass Repro found: flight 112756 (fail), for first failure Repro found: flight 112760 (pass), for last pass Repro found: flight 112761 (fail), for first failure *** Found and reproduced problem changeset *** Bug is in tree: xen git://xenbits.xen.org/xen.git Bug introduced: 42c8ba5dfc0be9d646f191c744c5fa71d7f372fa Bug not present: d38489de9df93a4679cae2ae02b75287778fb3ed Last fail repro: http://logs.test-lab.xenproject.org/osstest/logs/112761/ commit 42c8ba5dfc0be9d646f191c744c5fa71d7f372fa Author: Jan Beulich <jbeulich@xxxxxxxx> Date: Thu Aug 17 15:15:35 2017 +0200 gnttab: don't use possibly unbounded tail calls There is no guarantee that the compiler would actually translate them to branches instead of calls, so only ones with a known recursion limit are okay: - __release_grant_for_copy() can call itself only once, as __acquire_grant_for_copy() won't permit use of multi-level transitive grants, - __acquire_grant_for_copy() is fine to call itself with the last argument false, as that prevents further recursion, - __acquire_grant_for_copy() must not call itself to recover from an observed change to the active entry's pin count This is part of XSA-226. Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx> Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> master commit: 999d2ccb7f73408aa22656e1ba2f98b077eaa1c2 master date: 2017-08-17 14:39:18 +0200 Revision graph left in /home/logs/results/bisect/xen-4.5-testing/test-amd64-i386-xl-qemut-debianhvm-amd64.debian-hvm-install.{dot,ps,png,html,svg}. ---------------------------------------- 112761: tolerable ALL FAIL flight 112761 xen-4.5-testing real-bisect [real] http://logs.test-lab.xenproject.org/osstest/logs/112761/ Failures :-/ but no regressions. Tests which did not succeed, including tests which could not be run: test-amd64-i386-xl-qemut-debianhvm-amd64 10 debian-hvm-install fail baseline untested jobs: test-amd64-i386-xl-qemut-debianhvm-amd64 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 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel

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