git checkout cfbf8d4857c26a8a307fb7cd258074c9dcd8c691 ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r5-0302/linux-devel:devel-roam-i386-201403021704:cfbf8d4857c26a8a307fb7cd258074c9dcd8c691:bisect-linux 2014-03-03-20:17:17 cfbf8d4857c26a8a307fb7cd258074c9dcd8c691 reuse /kernel/i386-randconfig-r5-0302/cfbf8d4857c26a8a307fb7cd258074c9dcd8c691/vmlinuz-3.14.0-rc4 2014-03-03-20:17:17 detecting boot state ... 4 7 9 13 14 15 20 SUCCESS bisect: good commit cfbf8d4857c26a8a307fb7cd258074c9dcd8c691 git bisect start 4242b70d68f8ba165f125b9b264ae27d51ace686 cfbf8d4857c26a8a307fb7cd258074c9dcd8c691 -- /c/kernel-tests/linear-bisect: ["-b", "4242b70d68f8ba165f125b9b264ae27d51ace686", "-g", "cfbf8d4857c26a8a307fb7cd258074c9dcd8c691", "/c/kernel-tests/bisect-test-boot-failure.sh", "/kernel-tests/linux/obj-bisect"] Bisecting: 97 revisions left to test after this (roughly 7 steps) [9b87ea06889c0c0a2541bddaeae745c0942d7bb7] Merge 'tip/perf/urgent' into devel-roam-i386-201403021704 running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r5-0302/linux-devel:devel-roam-i386-201403021704:9b87ea06889c0c0a2541bddaeae745c0942d7bb7:bisect-linux 2014-03-03-20:22:18 9b87ea06889c0c0a2541bddaeae745c0942d7bb7 compiling 157 real 2866 user 207 sys 1952.86% cpu i386-randconfig-r5-0302 2014-03-03-20:25:18 detecting boot state 3.14.0-rc4-00055-g9b87ea0... 3 4.. 14 17 18 20 SUCCESS Bisecting: 42 revisions left to test after this (roughly 6 steps) [99a980e45f688d10422c02f5783cc709a0c9d9da] Merge 'nfs/testing' into devel-roam-i386-201403021704 running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r5-0302/linux-devel:devel-roam-i386-201403021704:99a980e45f688d10422c02f5783cc709a0c9d9da:bisect-linux 2014-03-03-20:30:48 99a980e45f688d10422c02f5783cc709a0c9d9da compiling 34 real 217 user 32 sys 725.20% cpu i386-randconfig-r5-0302 2014-03-03-20:31:45 detecting boot state 3.14.0-rc4-00072-g99a980e... 1 2 3 10 20 SUCCESS Bisecting: 25 revisions left to test after this (roughly 5 steps) [5ae8a8971fe8ffd78ef2eb0e0e8b6ef6795c8c6e] Merge 'alexshi/single-balance.bak' into devel-roam-i386-201403021704 running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r5-0302/linux-devel:devel-roam-i386-201403021704:5ae8a8971fe8ffd78ef2eb0e0e8b6ef6795c8c6e:bisect-linux 2014-03-03-20:35:46 5ae8a8971fe8ffd78ef2eb0e0e8b6ef6795c8c6e compiling 157 real 2891 user 211 sys 1975.04% cpu i386-randconfig-r5-0302 2014-03-03-20:38:44 detecting boot state 3.14.0-rc4-00096-g5ae8a89....... TEST FAILURE [ 0.222832] [ 0.222832] ============================================= [ 0.222832] ============================================= [ 0.222832] [ INFO: possible recursive locking detected ] /kernel/i386-randconfig-r5-0302/5ae8a8971fe8ffd78ef2eb0e0e8b6ef6795c8c6e/dmesg-quantal-xian-33:20140303204204:i386-randconfig-r5-0302:3.14.0-rc4-00096-g5ae8a89:392 0:1:1 all_good:bad:all_bad boots 2014-03-03 20:42:16 REPEAT COUNT: 20 # /kernel-tests/linux/obj-bisect/.repeat linear-bisect: bad branch may be alexshi/single-balance.bak linear-bisect: handle over to git bisect linear-bisect: git bisect start 5ae8a8971fe8ffd78ef2eb0e0e8b6ef6795c8c6e 99a980e45f688d10422c02f5783cc709a0c9d9da -- Previous HEAD position was 5ae8a89... Merge 'alexshi/single-balance.bak' into devel-roam-i386-201403021704 HEAD is now at f71194a... Merge branch 'x86/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Bisecting: 11 revisions left to test after this (roughly 4 steps) [bc575710efe937e26d2bd541d92362b240ef0559] sched: clean up task_hot function linear-bisect: git bisect run /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux/obj-bisect running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r5-0302/linux-devel:devel-roam-i386-201403021704:bc575710efe937e26d2bd541d92362b240ef0559:bisect-linux 2014-03-03-20:42:28 bc575710efe937e26d2bd541d92362b240ef0559 compiling 161 real 2881 user 208 sys 1915.33% cpu i386-randconfig-r5-0302 2014-03-03-20:45:37 detecting boot state 3.14.0-rc2-00012-gbc57571... 4 6 17 20 SUCCESS Bisecting: 5 revisions left to test after this (roughly 3 steps) [0e32dab5df39cfb1be9a937d67c877404b964324] sched/balance: rebuild ovutil tree after task moving running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r5-0302/linux-devel:devel-roam-i386-201403021704:0e32dab5df39cfb1be9a937d67c877404b964324:bisect-linux 2014-03-03-20:49:08 0e32dab5df39cfb1be9a937d67c877404b964324 compiling 35 real 225 user 30 sys 721.57% cpu i386-randconfig-r5-0302 2014-03-03-20:50:03 detecting boot state 3.14.0-rc2-00018-g0e32dab... 5 13 19 20 SUCCESS Bisecting: 2 revisions left to test after this (roughly 2 steps) [2adc591a5cb6768ad11e63be9011906aa171148d] sched/balance: replace new_idle_balance running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r5-0302/linux-devel:devel-roam-i386-201403021704:2adc591a5cb6768ad11e63be9011906aa171148d:bisect-linux 2014-03-03-20:53:33 2adc591a5cb6768ad11e63be9011906aa171148d compiling 39 real 250 user 34 sys 715.13% cpu i386-randconfig-r5-0302 2014-03-03-20:54:33 detecting boot state 3.14.0-rc2-00021-g2adc591a....... TEST FAILURE [ 0.245045] [ 0.245046] ============================================= [ 0.245046] ============================================= [ 0.245047] [ INFO: possible recursive locking detected ] /kernel/i386-randconfig-r5-0302/2adc591a5cb6768ad11e63be9011906aa171148d/dmesg-yocto-xps-7:20140303205750:i386-randconfig-r5-0302:3.14.0-rc2-00021-g2adc591a:395 0:1:1 all_good:bad:all_bad boots 2014-03-03 20:58:04 REPEAT COUNT: 20 # /kernel-tests/linux/obj-bisect/.repeat Bisecting: 0 revisions left to test after this (roughly 1 step) [a15ed8afe32bf743621639b7df2c87ffc47d730a] sched/balance: add balance_interval to tuning top level balance frequency running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r5-0302/linux-devel:devel-roam-i386-201403021704:a15ed8afe32bf743621639b7df2c87ffc47d730a:bisect-linux 2014-03-03-20:58:05 a15ed8afe32bf743621639b7df2c87ffc47d730a compiling 41 real 242 user 33 sys 670.49% cpu i386-randconfig-r5-0302 2014-03-03-20:59:05 detecting boot state 3.14.0-rc2-00020-ga15ed8a.. 3 18 20 SUCCESS 2adc591a5cb6768ad11e63be9011906aa171148d is the first bad commit commit 2adc591a5cb6768ad11e63be9011906aa171148d Author: Alex Shi Date: Fri Feb 28 15:25:09 2014 +0800 sched/balance: replace new_idle_balance Curren idle_balance will pull task on half of this group. That is not needed in central balance. :040000 040000 413704861ac0811006fbafb2233fe2651b02abe6 7b7cb96f40fb87d4aa47ee3dadf7fc7973b829ff M kernel bisect run success ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r5-0302/linux-devel:devel-roam-i386-201403021704:a15ed8afe32bf743621639b7df2c87ffc47d730a:bisect-linux 2014-03-03-21:01:36 a15ed8afe32bf743621639b7df2c87ffc47d730a reuse /kernel/i386-randconfig-r5-0302/a15ed8afe32bf743621639b7df2c87ffc47d730a/vmlinuz-3.14.0-rc2-00020-ga15ed8a 2014-03-03-21:01:36 detecting boot state ... 1.... 11 21 25 42 44 47 50.. 51 52. 53.. 58 60 SUCCESS ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r5-0302/linux-devel:devel-roam-i386-201403021704:4242b70d68f8ba165f125b9b264ae27d51ace686:bisect-linux TEST FAILURE [ 0.175194] [ 0.175194] ============================================= [ 0.175194] ============================================= [ 0.175194] [ INFO: possible recursive locking detected ] /kernel/i386-randconfig-r5-0302/4242b70d68f8ba165f125b9b264ae27d51ace686/dmesg-quantal-roam-10:20140302172848:i386-randconfig-r5-0302:3.14.0-rc4-00097-g4242b70:112 /kernel/i386-randconfig-r5-0302/4242b70d68f8ba165f125b9b264ae27d51ace686/dmesg-yocto-inn-40:20140303202456:i386-randconfig-r5-0302:: /kernel/i386-randconfig-r5-0302/4242b70d68f8ba165f125b9b264ae27d51ace686/dmesg-yocto-xian-15:20140302173518:i386-randconfig-r5-0302:3.14.0-rc4-00097-g4242b70:112 /kernel/i386-randconfig-r5-0302/4242b70d68f8ba165f125b9b264ae27d51ace686/dmesg-yocto-inn-6:20140303202437:i386-randconfig-r5-0302:: /kernel/i386-randconfig-r5-0302/4242b70d68f8ba165f125b9b264ae27d51ace686/dmesg-quantal-jaketown-4:20140302172929:i386-randconfig-r5-0302:: /kernel/i386-randconfig-r5-0302/4242b70d68f8ba165f125b9b264ae27d51ace686/dmesg-quantal-snb-7:20140302173540:i386-randconfig-r5-0302:: /kernel/i386-randconfig-r5-0302/4242b70d68f8ba165f125b9b264ae27d51ace686/dmesg-yocto-snb-25:20140303202441:i386-randconfig-r5-0302:: /kernel/i386-randconfig-r5-0302/4242b70d68f8ba165f125b9b264ae27d51ace686/dmesg-quantal-snb-12:20140302173418:i386-randconfig-r5-0302:: /kernel/i386-randconfig-r5-0302/4242b70d68f8ba165f125b9b264ae27d51ace686/dmesg-yocto-snb-9:20140302173528:i386-randconfig-r5-0302:: /kernel/i386-randconfig-r5-0302/4242b70d68f8ba165f125b9b264ae27d51ace686/dmesg-quantal-xian-26:20140302173532:i386-randconfig-r5-0302:3.14.0-rc4-00097-g4242b70:112 /kernel/i386-randconfig-r5-0302/4242b70d68f8ba165f125b9b264ae27d51ace686/dmesg-quantal-cairo-33:20140303202411:i386-randconfig-r5-0302:3.14.0-rc4-00097-g4242b70:112 /kernel/i386-randconfig-r5-0302/4242b70d68f8ba165f125b9b264ae27d51ace686/dmesg-quantal-inn-2:20140303202454:i386-randconfig-r5-0302:: /kernel/i386-randconfig-r5-0302/4242b70d68f8ba165f125b9b264ae27d51ace686/dmesg-yocto-snb-38:20140303202442:i386-randconfig-r5-0302:: /kernel/i386-randconfig-r5-0302/4242b70d68f8ba165f125b9b264ae27d51ace686/dmesg-quantal-cairo-21:20140303201800:i386-randconfig-r5-0302:3.14.0-rc4-00097-g4242b70:112 /kernel/i386-randconfig-r5-0302/4242b70d68f8ba165f125b9b264ae27d51ace686/dmesg-yocto-xian-43:20140303202458:i386-randconfig-r5-0302:3.14.0-rc4-00097-g4242b70:112 /kernel/i386-randconfig-r5-0302/4242b70d68f8ba165f125b9b264ae27d51ace686/dmesg-yocto-inn-27:20140303201722:i386-randconfig-r5-0302:: /kernel/i386-randconfig-r5-0302/4242b70d68f8ba165f125b9b264ae27d51ace686/dmesg-quantal-inn-11:20140303201639:i386-randconfig-r5-0302:: /kernel/i386-randconfig-r5-0302/4242b70d68f8ba165f125b9b264ae27d51ace686/dmesg-quantal-snb-18:20140302173503:i386-randconfig-r5-0302:: /kernel/i386-randconfig-r5-0302/4242b70d68f8ba165f125b9b264ae27d51ace686/dmesg-yocto-xian-29:20140302173524:i386-randconfig-r5-0302:3.14.0-rc4-00097-g4242b70:112 0:19:19 all_good:bad:all_bad boots HEAD is now at 4242b70 0day head guard for 'devel-roam-i386-201403021704' ========= upstream ========= Previous HEAD position was 4242b70... 0day head guard for 'devel-roam-i386-201403021704' HEAD is now at 0414855... Linux 3.14-rc5 ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r5-0302/linux-devel:devel-roam-i386-201403021704:0414855fdc4a40da05221fc6062cccbc0c30f169:bisect-linux 2014-03-03-21:14:12 0414855fdc4a40da05221fc6062cccbc0c30f169 compiling 2014-03-03-21:17:24 detecting boot state 3.14.0-rc5.... 2. 10 13. 15. 16 21 22 42 44 46 47.. 49 55 59 60 SUCCESS ========= linux-next ========= Previous HEAD position was 0414855... Linux 3.14-rc5 HEAD is now at dab765e... Add linux-next specific files for 20140303 ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r5-0302/linux-devel:devel-roam-i386-201403021704:dab765ebd307ac40af1a556c0b08e26938a1c9cf:bisect-linux 2014-03-03-21:29:32 dab765ebd307ac40af1a556c0b08e26938a1c9cf compiling 2014-03-03-21:33:24 detecting boot state 3.14.0-rc4-next-20140303-06174-gdab765e... 1 14 25 26 29.. 31. 34 35 37 44 46 47 49 57 60 SUCCESS