git checkout 0dbed0f2678036188d33c11bc4237026715f1a27 ls -a /kernel-tests/run-queue/kvm/i386-randconfig-c5-03010320/next:master:0dbed0f2678036188d33c11bc4237026715f1a27:bisect-linux6 2014-03-01-06:35:17 0dbed0f2678036188d33c11bc4237026715f1a27 compiling 362 real 3423 user 224 sys 1007.71% cpu i386-randconfig-c5-03010320 2014-03-01-06:41:49 detecting boot state 3.14.0-rc4-05403-g0dbed0f... TEST FAILURE [ 7.218594] init: plymouth-log main process (116) terminated with status 1 [ 19.822334] [ 19.823290] =============================== [ 19.824959] [ INFO: suspicious RCU usage. ] [ 19.826648] 3.14.0-rc4-05403-g0dbed0f #85 Not tainted [ 19.828598] ------------------------------- [ 19.830338] /kernel-tests/linux6/include/linux/cgroup.h:705 suspicious rcu_dereference_check() usage! [ 19.833559] [ 19.833559] other info that might help us debug this: [ 19.833559] [ 19.836845] [ 19.836845] rcu_scheduler_active = 1, debug_locks = 0 [ 19.839318] 2 locks held by trinity-c0/3955: [ 19.840908] #0: (callback_mutex){+.+...}, at: [] cpuset_cpus_allowed+0x2f/0xc1 [ 19.844685] #1: (&(&p->alloc_lock)->rlock){+.+...}, at: [] cpuset_cpus_allowed+0x44/0xc1 [ 19.848842] [ 19.848842] stack backtrace: [ 19.850889] CPU: 0 PID: 3955 Comm: trinity-c0 Not tainted 3.14.0-rc4-05403-g0dbed0f #85 [ 19.853843] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.855924] 00000001 00000001 c7d51f38 c1ec7084 c7d51f54 c11043f9 c259a9cd c026e310 [ 19.860455] c026e310 c31bf958 c7d51f84 c7d51f64 c1171882 c026e310 c026e744 c7d51f78 [ 19.864847] c117535d c026e310 c7d51f84 c7d51fa0 c7d51f98 c10e40d7 00000f73 c7d51f98 [ 19.869230] Call Trace: [ 19.870556] [] dump_stack+0x40/0x5e [ 19.872235] [] lockdep_rcu_suspicious+0x1c0/0x1d7 [ 19.874242] [] task_cs+0x1e3/0x218 [ 19.875689] [] cpuset_cpus_allowed+0x59/0xc1 [ 19.877636] [] sched_setaffinity+0x2c9/0x4c5 [ 19.879565] [] ? copy_from_user+0x44/0x54 [ 19.881494] [] SyS_sched_setaffinity+0x176/0x1a5 [ 19.883629] [] sysenter_do_call+0x12/0x3c [ 19.895378] VFS: Warning: trinity-c0 using old stat() call. Recompile your binary. [ 19.902631] trinity-c0 (3956) used greatest stack depth: 6160 bytes left [ 19.914963] rds_remove_bound(): rs c032e100 unbinding from 127.12.157.69:1094 /kernel/i386-randconfig-c5-03010320/0dbed0f2678036188d33c11bc4237026715f1a27/dmesg-quantal-athens-39:20140301064303:i386-randconfig-c5-03010320:3.14.0-rc4-05403-g0dbed0f:85 /kernel/i386-randconfig-c5-03010320/0dbed0f2678036188d33c11bc4237026715f1a27/dmesg-quantal-cairo-40:20140301064302:i386-randconfig-c5-03010320:3.14.0-rc4-05403-g0dbed0f:85 /kernel/i386-randconfig-c5-03010320/0dbed0f2678036188d33c11bc4237026715f1a27/dmesg-quantal-inn-2:20140301064303:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/0dbed0f2678036188d33c11bc4237026715f1a27/dmesg-quantal-roam-1:20140301064301:i386-randconfig-c5-03010320:3.14.0-rc4-05403-g0dbed0f:85 /kernel/i386-randconfig-c5-03010320/0dbed0f2678036188d33c11bc4237026715f1a27/dmesg-quantal-snb-23:20140301064310:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/0dbed0f2678036188d33c11bc4237026715f1a27/dmesg-yocto-inn-9:20140301064309:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/0dbed0f2678036188d33c11bc4237026715f1a27/dmesg-quantal-roam-28:20140301064315:i386-randconfig-c5-03010320:3.14.0-rc4-05403-g0dbed0f:85 0:7:7 all_good:bad:all_bad boots 2014-03-01 06:43:20 REPEAT COUNT: 20 # /kernel-tests/linux6/obj-bisect/.repeat bisect: bad commit 0dbed0f2678036188d33c11bc4237026715f1a27 git checkout v3.13 ls -a /kernel-tests/run-queue/kvm/i386-randconfig-c5-03010320/next:master:d8ec26d7f8287f5788a494f56e8814210f0e64be:bisect-linux6 2014-03-01-06:43:23 d8ec26d7f8287f5788a494f56e8814210f0e64be compiling 256 real 3287 user 208 sys 1364.51% cpu i386-randconfig-c5-03010320 2014-03-01-06:47:58 detecting boot state 3.13.0.. 5 18 20 SUCCESS bisect: good commit v3.13 git bisect start 0dbed0f2678036188d33c11bc4237026715f1a27 v3.13 -- /c/kernel-tests/linear-bisect: ["-b", "0dbed0f2678036188d33c11bc4237026715f1a27", "-g", "v3.13", "/c/kernel-tests/bisect-test-boot-failure.sh", "/kernel-tests/linux6/obj-bisect"] Bisecting: 17922 revisions left to test after this (roughly 15 steps) [1ccfe6f982674e4b7bd832b904bafcb3db890252] watchdog: dw_wdt: Add dependency on HAS_IOMEM running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux6/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-c5-03010320/next:master:1ccfe6f982674e4b7bd832b904bafcb3db890252:bisect-linux6 2014-03-01-06:50:33 1ccfe6f982674e4b7bd832b904bafcb3db890252 compiling 256 real 3361 user 213 sys 1395.62% cpu i386-randconfig-c5-03010320 2014-03-01-06:55:10 detecting boot state 3.14.0-rc1-00151-g1ccfe6f.. 5 17 20 SUCCESS Bisecting: 6404 revisions left to test after this (roughly 13 steps) [21f1e2055bd55895d19f41d1b45594e1b7087d79] Merge remote-tracking branch 'net/master' running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux6/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-c5-03010320/next:master:21f1e2055bd55895d19f41d1b45594e1b7087d79:bisect-linux6 2014-03-01-06:57:44 21f1e2055bd55895d19f41d1b45594e1b7087d79 compiling 251 real 3365 user 219 sys 1428.51% cpu i386-randconfig-c5-03010320 2014-03-01-07:02:14 detecting boot state 3.14.0-rc4-00146-g21f1e20.. 1 9 19 20 SUCCESS Bisecting: 5257 revisions left to test after this (roughly 13 steps) [5bc0c24c4dd821c5d6306b30c64cbb90f02a8b07] Merge remote-tracking branch 'bluetooth/master' running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux6/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-c5-03010320/next:master:5bc0c24c4dd821c5d6306b30c64cbb90f02a8b07:bisect-linux6 2014-03-01-07:05:19 5bc0c24c4dd821c5d6306b30c64cbb90f02a8b07 compiling 405 real 3360 user 218 sys 883.02% cpu i386-randconfig-c5-03010320 2014-03-01-07:12:33 detecting boot state 3.14.0-rc4-02685-g5bc0c24... 4 13 18 20 SUCCESS Bisecting: 2718 revisions left to test after this (roughly 12 steps) [49cba80449a365a063552f2048b1c715c4a997e0] Merge remote-tracking branch 'edac-amd/for-next' running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux6/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-c5-03010320/next:master:49cba80449a365a063552f2048b1c715c4a997e0:bisect-linux6 2014-03-01-07:16:22 49cba80449a365a063552f2048b1c715c4a997e0 compiling 254 real 3395 user 222 sys 1423.25% cpu i386-randconfig-c5-03010320 2014-03-01-07:22:02 detecting boot state 3.14.0-rc4-04230-g49cba80... 6 18 20 SUCCESS Bisecting: 1173 revisions left to test after this (roughly 11 steps) [41e35f90e31db0ae1e6a9fae52b73cb6af8909af] Merge remote-tracking branch 'staging/staging-next' running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux6/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-c5-03010320/next:master:41e35f90e31db0ae1e6a9fae52b73cb6af8909af:bisect-linux6 2014-03-01-07:25:05 41e35f90e31db0ae1e6a9fae52b73cb6af8909af compiling 614 real 3419 user 226 sys 593.55% cpu i386-randconfig-c5-03010320 2014-03-01-07:35:47 detecting boot state 3.14.0-rc4-05105-g41e35f9.. 1 5 19 20 SUCCESS Bisecting: 298 revisions left to test after this (roughly 9 steps) [1c0951895878b4634316d448717119904ee6c53c] Merge remote-tracking branch 'gpio/for-next' running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux6/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-c5-03010320/next:master:1c0951895878b4634316d448717119904ee6c53c:bisect-linux6 2014-03-01-07:39:07 1c0951895878b4634316d448717119904ee6c53c compiling 291 real 2415 user 157 sys 881.46% cpu i386-randconfig-c5-03010320 2014-03-01-07:44:38 detecting boot state 3.14.0-rc4-05325-g1c09518... TEST FAILURE [ 7.098600] init: plymouth-log main process (119) terminated with status 1 [ 20.182544] [ 20.183334] =============================== [ 20.184705] [ INFO: suspicious RCU usage. ] [ 20.185993] 3.14.0-rc4-05325-g1c09518 #92 Not tainted [ 20.187546] ------------------------------- [ 20.188815] /kernel-tests/linux6/include/linux/cgroup.h:705 suspicious rcu_dereference_check() usage! [ 20.191487] [ 20.191487] other info that might help us debug this: [ 20.191487] [ 20.194267] [ 20.194267] rcu_scheduler_active = 1, debug_locks = 0 [ 20.196337] 2 locks held by trinity-c0/3949: [ 20.197732] #0: (callback_mutex){+.+...}, at: [] cpuset_cpus_allowed+0x2f/0xc1 [ 20.201054] #1: (&(&p->alloc_lock)->rlock){+.+...}, at: [] cpuset_cpus_allowed+0x44/0xc1 [ 20.204379] [ 20.204379] stack backtrace: [ 20.206021] CPU: 0 PID: 3949 Comm: trinity-c0 Not tainted 3.14.0-rc4-05325-g1c09518 #92 [ 20.208468] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.210180] 00000001 00000001 c7d59f38 c1ec69e8 c7d59f54 c11043f9 c25993a9 c02d8610 [ 20.213621] c02d8610 c31bf958 c7d59f84 c7d59f64 c1171882 c02d8610 c02d8a44 c7d59f78 [ 20.217068] c117535d c02d8610 c7d59f84 c7d59fa0 c7d59f98 c10e40d7 00000f6d c7d59f98 [ 20.220839] Call Trace: [ 20.221804] [] dump_stack+0x40/0x5e [ 20.223147] [] lockdep_rcu_suspicious+0x1c0/0x1d7 [ 20.224818] [] task_cs+0x1e3/0x218 [ 20.226147] [] cpuset_cpus_allowed+0x59/0xc1 [ 20.227722] [] sched_setaffinity+0x2c9/0x4c5 [ 20.229212] [] ? copy_from_user+0x44/0x54 [ 20.230783] [] SyS_sched_setaffinity+0x176/0x1a5 [ 20.232362] [] sysenter_do_call+0x12/0x3c [ 48.364260] random: nonblocking pool is initialized [ 63.636993] spin_lock-torture: Writes: Total: 2 Max/Min: 0/0 Fail: 0 [ 66.761184] init: hwclock-save main process (3953) terminated with status 70 /kernel/i386-randconfig-c5-03010320/1c0951895878b4634316d448717119904ee6c53c/dmesg-yocto-xian-18:20140301074556:i386-randconfig-c5-03010320:3.14.0-rc4-05325-g1c09518:92 /kernel/i386-randconfig-c5-03010320/1c0951895878b4634316d448717119904ee6c53c/dmesg-quantal-roam-32:20140301074604:i386-randconfig-c5-03010320:3.14.0-rc4-05325-g1c09518:92 0:2:2 all_good:bad:all_bad boots 2014-03-01 07:46:10 REPEAT COUNT: 20 # /kernel-tests/linux6/obj-bisect/.repeat Bisecting: 220 revisions left to test after this (roughly 8 steps) [dea48a6cb5c45509a77f5ef3b13fa97d1bb0f389] Merge remote-tracking branch 'target-updates/for-next' running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux6/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-c5-03010320/next:master:dea48a6cb5c45509a77f5ef3b13fa97d1bb0f389:bisect-linux6 2014-03-01-07:46:11 dea48a6cb5c45509a77f5ef3b13fa97d1bb0f389 compiling 198 real 369 user 35 sys 204.73% cpu i386-randconfig-c5-03010320 2014-03-01-07:49:53 detecting boot state 3.14.0-rc4-05255-gdea48a6.... TEST FAILURE [ 20.718007] init: plymouth-log main process (116) terminated with status 1 [ 37.072943] [ 37.079777] =============================== [ 37.081251] [ INFO: suspicious RCU usage. ] [ 37.082609] 3.14.0-rc4-05255-gdea48a6 #93 Not tainted [ 37.084213] ------------------------------- [ 37.085555] /kernel-tests/linux6/include/linux/cgroup.h:705 suspicious rcu_dereference_check() usage! [ 37.097902] [ 37.097902] other info that might help us debug this: [ 37.097902] [ 37.100817] [ 37.100817] rcu_scheduler_active = 1, debug_locks = 0 [ 37.102984] 2 locks held by trinity-c0/3883: [ 37.104438] #0: (callback_mutex){+.+...}, at: [] cpuset_cpus_allowed+0x2f/0xc1 [ 37.117324] #1: (&(&p->alloc_lock)->rlock){+.+...}, at: [] cpuset_cpus_allowed+0x44/0xc1 [ 37.120863] [ 37.120863] stack backtrace: [ 37.122567] CPU: 0 PID: 3883 Comm: trinity-c0 Not tainted 3.14.0-rc4-05255-gdea48a6 #93 [ 37.135020] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.136850] 00000001 00000001 cbf41f38 c1ec68ec cbf41f54 c11043f9 c2599225 c0212a10 [ 37.140465] c0212a10 c31bd958 cbf41f84 cbf41f64 c1171882 c0212a10 c0212e44 cbf41f78 [ 37.153955] c117535d c0212a10 cbf41f84 cbf41fa0 cbf41f98 c10e40d7 00000f2b cbf41f98 [ 37.157593] Call Trace: [ 37.158579] [] dump_stack+0x40/0x5e [ 37.159989] [] lockdep_rcu_suspicious+0x1c0/0x1d7 [ 37.161747] [] task_cs+0x1e3/0x218 [ 37.163139] [] cpuset_cpus_allowed+0x59/0xc1 [ 37.168492] [] sched_setaffinity+0x2c9/0x4c5 [ 37.179375] [] ? copy_from_user+0x44/0x54 [ 37.180994] [] SyS_sched_setaffinity+0x176/0x1a5 [ 37.182659] [] sysenter_do_call+0x12/0x3c [ 37.388970] rds_remove_bound(): rs c0209180 unbinding from 127.5.126.127:10487 [ 37.408766] rds_remove_bound(): rs c033ab00 unbinding from 127.0.0.1:28101 [ 52.390157] random: nonblocking pool is initialized /kernel/i386-randconfig-c5-03010320/dea48a6cb5c45509a77f5ef3b13fa97d1bb0f389/dmesg-quantal-cairo-17:20140301075124:i386-randconfig-c5-03010320:3.14.0-rc4-05255-gdea48a6:93 /kernel/i386-randconfig-c5-03010320/dea48a6cb5c45509a77f5ef3b13fa97d1bb0f389/dmesg-quantal-inn-39:20140301075129:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/dea48a6cb5c45509a77f5ef3b13fa97d1bb0f389/dmesg-quantal-inn-42:20140301075127:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/dea48a6cb5c45509a77f5ef3b13fa97d1bb0f389/dmesg-yocto-bens-1:20140301075134:i386-randconfig-c5-03010320:3.14.0-rc4-05255-gdea48a6:93 /kernel/i386-randconfig-c5-03010320/dea48a6cb5c45509a77f5ef3b13fa97d1bb0f389/dmesg-yocto-inn-47:20140301075136:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/dea48a6cb5c45509a77f5ef3b13fa97d1bb0f389/dmesg-quantal-bens-6:20140301075138:i386-randconfig-c5-03010320:3.14.0-rc4-05255-gdea48a6:93 /kernel/i386-randconfig-c5-03010320/dea48a6cb5c45509a77f5ef3b13fa97d1bb0f389/dmesg-quantal-cairo-23:20140301075138:i386-randconfig-c5-03010320:3.14.0-rc4-05255-gdea48a6:93 /kernel/i386-randconfig-c5-03010320/dea48a6cb5c45509a77f5ef3b13fa97d1bb0f389/dmesg-yocto-inn-25:20140301075143:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/dea48a6cb5c45509a77f5ef3b13fa97d1bb0f389/dmesg-yocto-snb-5:20140301075142:i386-randconfig-c5-03010320:: 0:9:9 all_good:bad:all_bad boots 2014-03-01 07:51:54 REPEAT COUNT: 20 # /kernel-tests/linux6/obj-bisect/.repeat Bisecting: 150 revisions left to test after this (roughly 8 steps) [91e268c5c1ff5106e5e33627eea6411e00400c81] Merge remote-tracking branch 'char-misc/char-misc-next' running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux6/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-c5-03010320/next:master:91e268c5c1ff5106e5e33627eea6411e00400c81:bisect-linux6 2014-03-01-07:51:54 91e268c5c1ff5106e5e33627eea6411e00400c81 compiling 227 real 1541 user 100 sys 723.36% cpu i386-randconfig-c5-03010320 2014-03-01-07:56:06 detecting boot state 3.14.0-rc4-05177-g91e268c... 6 19 20 SUCCESS Bisecting: 78 revisions left to test after this (roughly 7 steps) [bf90690a616351d514a75eefadeea6cf427b0ce3] Merge remote-tracking branch 'cgroup/for-next' running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux6/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-c5-03010320/next:master:bf90690a616351d514a75eefadeea6cf427b0ce3:bisect-linux6 2014-03-01-07:59:06 bf90690a616351d514a75eefadeea6cf427b0ce3 compiling 244 real 1544 user 106 sys 675.55% cpu i386-randconfig-c5-03010320 2014-03-01-08:03:37 detecting boot state 3.14.0-rc4-05253-gbf90690.... TEST FAILURE [ 7.182958] init: plymouth-log main process (117) terminated with status 1 [ 19.675467] [ 19.676229] =============================== [ 19.677577] [ INFO: suspicious RCU usage. ] [ 19.678821] 3.14.0-rc4-05253-gbf90690 #95 Not tainted [ 19.680396] ------------------------------- [ 19.681623] /kernel-tests/linux6/include/linux/cgroup.h:705 suspicious rcu_dereference_check() usage! [ 19.683998] [ 19.683998] other info that might help us debug this: [ 19.683998] [ 19.686398] [ 19.686398] rcu_scheduler_active = 1, debug_locks = 0 [ 19.688526] 2 locks held by trinity-c0/3841: [ 19.689726] #0: (callback_mutex){+.+...}, at: [] cpuset_cpus_allowed+0x2f/0xc1 [ 19.692712] #1: (&(&p->alloc_lock)->rlock){+.+...}, at: [] cpuset_cpus_allowed+0x44/0xc1 [ 19.695984] [ 19.695984] stack backtrace: [ 19.697714] CPU: 0 PID: 3841 Comm: trinity-c0 Not tainted 3.14.0-rc4-05253-gbf90690 #95 [ 19.699980] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.701631] 00000001 00000001 c7d69f38 c1ec68ec c7d69f54 c11043f9 c2599225 c030a910 [ 19.705773] c030a910 c31bd958 c7d69f84 c7d69f64 c1171882 c030a910 c030ad44 c7d69f78 [ 19.709049] c117535d c030a910 c7d69f84 c7d69fa0 c7d69f98 c10e40d7 00000f01 c7d69f98 [ 19.712344] Call Trace: [ 19.713250] [] dump_stack+0x40/0x5e [ 19.714633] [] lockdep_rcu_suspicious+0x1c0/0x1d7 [ 19.716076] [] task_cs+0x1e3/0x218 [ 19.717471] [] cpuset_cpus_allowed+0x59/0xc1 [ 19.718964] [] sched_setaffinity+0x2c9/0x4c5 [ 19.720509] [] ? copy_from_user+0x44/0x54 [ 19.721895] [] SyS_sched_setaffinity+0x176/0x1a5 [ 19.723359] [] sysenter_do_call+0x12/0x3c [ 19.726602] VFS: Warning: trinity-c0 using old stat() call. Recompile your binary. [ 19.736500] rds_remove_bound(): rs c02fa400 unbinding from 127.139.190.91:40215 [ 19.739670] rds_remove_bound(): rs c030f400 unbinding from 127.0.0.1:29818 /kernel/i386-randconfig-c5-03010320/bf90690a616351d514a75eefadeea6cf427b0ce3/dmesg-quantal-athens-35:20140301080502:i386-randconfig-c5-03010320:3.14.0-rc4-05253-gbf90690:95 /kernel/i386-randconfig-c5-03010320/bf90690a616351d514a75eefadeea6cf427b0ce3/dmesg-yocto-xian-11:20140301080508:i386-randconfig-c5-03010320:3.14.0-rc4-05253-gbf90690:95 /kernel/i386-randconfig-c5-03010320/bf90690a616351d514a75eefadeea6cf427b0ce3/dmesg-yocto-xian-39:20140301080511:i386-randconfig-c5-03010320:3.14.0-rc4-05253-gbf90690:95 /kernel/i386-randconfig-c5-03010320/bf90690a616351d514a75eefadeea6cf427b0ce3/dmesg-quantal-athens-1:20140301080518:i386-randconfig-c5-03010320:3.14.0-rc4-05253-gbf90690:95 /kernel/i386-randconfig-c5-03010320/bf90690a616351d514a75eefadeea6cf427b0ce3/dmesg-quantal-jaketown-10:20140301080523:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/bf90690a616351d514a75eefadeea6cf427b0ce3/dmesg-quantal-jaketown-32:20140301080525:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/bf90690a616351d514a75eefadeea6cf427b0ce3/dmesg-yocto-athens-35:20140301080528:i386-randconfig-c5-03010320:3.14.0-rc4-05253-gbf90690:95 /kernel/i386-randconfig-c5-03010320/bf90690a616351d514a75eefadeea6cf427b0ce3/dmesg-yocto-jaketown-29:20140301080519:i386-randconfig-c5-03010320:: 0:8:7 all_good:bad:all_bad boots linear-bisect: bad branch may be remote-tracking branch 'cgroup/for-next' linear-bisect: handle over to git bisect linear-bisect: git bisect start bf90690a616351d514a75eefadeea6cf427b0ce3 91e268c5c1ff5106e5e33627eea6411e00400c81 -- Previous HEAD position was bf90690... Merge remote-tracking branch 'cgroup/for-next' HEAD is now at e7651b8... Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs Bisecting: 37 revisions left to test after this (roughly 5 steps) [96d365e0b86ee7ec6366c99669687e54c9f145e3] cgroup: make css_set_lock a rwsem and rename it to css_set_rwsem linear-bisect: git bisect run /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux6/obj-bisect running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux6/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-c5-03010320/next:master:96d365e0b86ee7ec6366c99669687e54c9f145e3:bisect-linux6 2014-03-01-08:05:42 96d365e0b86ee7ec6366c99669687e54c9f145e3 compiling 241 real 3380 user 222 sys 1490.64% cpu i386-randconfig-c5-03010320 2014-03-01-08:10:05 detecting boot state 3.14.0-rc1-00070-g96d365e... 10 18 20 SUCCESS Bisecting: 18 revisions left to test after this (roughly 4 steps) [2220f5edf5f452480135b57b345e783ffc5c752d] Merge branch 'for-3.15' into for-next running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux6/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-c5-03010320/next:master:2220f5edf5f452480135b57b345e783ffc5c752d:bisect-linux6 2014-03-01-08:13:06 2220f5edf5f452480135b57b345e783ffc5c752d compiling 244 real 1518 user 101 sys 663.36% cpu i386-randconfig-c5-03010320 2014-03-01-08:17:29 detecting boot state 3.14.0-rc1-00090-g2220f5e.. 2 16 20 SUCCESS Bisecting: 9 revisions left to test after this (roughly 3 steps) [952aaa125428fae883670a2c2e40ea8044ca1eaa] cgroup: update cgroup_transfer_tasks() to either succeed or fail running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux6/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-c5-03010320/next:master:952aaa125428fae883670a2c2e40ea8044ca1eaa:bisect-linux6 2014-03-01-08:20:00 952aaa125428fae883670a2c2e40ea8044ca1eaa compiling 155 real 1515 user 97 sys 1034.79% cpu i386-randconfig-c5-03010320 2014-03-01-08:22:56 detecting boot state 3.14.0-rc1-00095-g952aaa1.... TEST FAILURE [ 7.825846] init: plymouth-log main process (114) terminated with status 1 [ 20.115159] [ 20.115814] =============================== [ 20.117149] [ INFO: suspicious RCU usage. ] [ 20.118266] 3.14.0-rc1-00095-g952aaa1 #98 Not tainted [ 20.119560] ------------------------------- [ 20.120760] /kernel-tests/linux6/include/linux/cgroup.h:705 suspicious rcu_dereference_check() usage! [ 20.123029] [ 20.123029] other info that might help us debug this: [ 20.123029] [ 20.125348] [ 20.125348] rcu_scheduler_active = 1, debug_locks = 0 [ 20.127367] 2 locks held by trinity-c0/3897: [ 20.128505] #0: (callback_mutex){+.+...}, at: [] cpuset_cpus_allowed+0x2f/0xc1 [ 20.137087] #1: (&(&p->alloc_lock)->rlock){+.+...}, at: [] cpuset_cpus_allowed+0x44/0xc1 [ 20.142930] [ 20.142930] stack backtrace: [ 20.147390] CPU: 0 PID: 3897 Comm: trinity-c0 Not tainted 3.14.0-rc1-00095-g952aaa1 #98 [ 20.151231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.152678] 00000001 00000001 c7e6bf38 c1eb039c c7e6bf54 c110243d c2579d01 c01a8410 [ 20.159576] c01a8410 c31953e8 c7e6bf84 c7e6bf64 c116f2b5 c01a8410 c01a8840 c7e6bf78 [ 20.169740] c1172d6a c01a8410 c7e6bf84 c7e6bfa0 c7e6bf98 c10e33c4 00000f39 c7e6bf98 [ 20.178463] Call Trace: [ 20.179340] [] dump_stack+0x40/0x5e [ 20.180651] [] lockdep_rcu_suspicious+0x1c0/0x1d7 [ 20.182188] [] task_cs+0x1e3/0x218 [ 20.183642] [] cpuset_cpus_allowed+0x59/0xc1 [ 20.185002] [] sched_setaffinity+0x2c9/0x4c5 [ 20.186385] [] ? copy_from_user+0x44/0x54 [ 20.191235] [] SyS_sched_setaffinity+0x176/0x1a5 [ 20.192585] [] sysenter_do_call+0x12/0x3c [ 20.241236] rds_remove_bound(): rs c0f18500 unbinding from 127.0.0.1:25852 [ 20.244132] rds_remove_bound(): rs c0311c00 unbinding from 127.211.37.89:21761 [ 20.248156] rds_remove_bound(): rs c0d47400 unbinding from 127.0.0.1:19292 /kernel/i386-randconfig-c5-03010320/952aaa125428fae883670a2c2e40ea8044ca1eaa/dmesg-quantal-cairo-24:20140301082428:i386-randconfig-c5-03010320:3.14.0-rc1-00095-g952aaa1:98 /kernel/i386-randconfig-c5-03010320/952aaa125428fae883670a2c2e40ea8044ca1eaa/dmesg-quantal-inn-13:20140301082426:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/952aaa125428fae883670a2c2e40ea8044ca1eaa/dmesg-quantal-inn-2:20140301082424:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/952aaa125428fae883670a2c2e40ea8044ca1eaa/dmesg-quantal-snb-21:20140301082435:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/952aaa125428fae883670a2c2e40ea8044ca1eaa/dmesg-quantal-xian-22:20140301082437:i386-randconfig-c5-03010320:3.14.0-rc1-00095-g952aaa1:98 /kernel/i386-randconfig-c5-03010320/952aaa125428fae883670a2c2e40ea8044ca1eaa/dmesg-quantal-xian-29:20140301082431:i386-randconfig-c5-03010320:3.14.0-rc1-00095-g952aaa1:98 /kernel/i386-randconfig-c5-03010320/952aaa125428fae883670a2c2e40ea8044ca1eaa/dmesg-yocto-inn-22:20140301082436:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/952aaa125428fae883670a2c2e40ea8044ca1eaa/dmesg-yocto-inn-24:20140301082431:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/952aaa125428fae883670a2c2e40ea8044ca1eaa/dmesg-quantal-athens-12:20140301082441:i386-randconfig-c5-03010320:3.14.0-rc1-00095-g952aaa1:98 /kernel/i386-randconfig-c5-03010320/952aaa125428fae883670a2c2e40ea8044ca1eaa/dmesg-quantal-inn-35:20140301082441:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/952aaa125428fae883670a2c2e40ea8044ca1eaa/dmesg-quantal-jaketown-48:20140301082440:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/952aaa125428fae883670a2c2e40ea8044ca1eaa/dmesg-quantal-snb-31:20140301082439:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/952aaa125428fae883670a2c2e40ea8044ca1eaa/dmesg-quantal-snb-47:20140301082448:i386-randconfig-c5-03010320:: 0:13:13 all_good:bad:all_bad boots 2014-03-01 08:24:57 REPEAT COUNT: 20 # /kernel-tests/linux6/obj-bisect/.repeat Bisecting: 4 revisions left to test after this (roughly 2 steps) [b3dc094e93905ae9c1bc0815402ad8e5b203d068] cgroup: use css_set->mg_tasks to track target tasks during migration running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux6/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-c5-03010320/next:master:b3dc094e93905ae9c1bc0815402ad8e5b203d068:bisect-linux6 2014-03-01-08:24:58 b3dc094e93905ae9c1bc0815402ad8e5b203d068 compiling 150 real 1496 user 100 sys 1063.68% cpu i386-randconfig-c5-03010320 2014-03-01-08:28:14 detecting boot state 3.14.0-rc1-00090-gb3dc094.. 10 20 SUCCESS Bisecting: 2 revisions left to test after this (roughly 1 step) [1958d2d53dadbb1c9aaf0b37741f13a60098b243] cgroup: split process / task migration into four steps running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux6/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-c5-03010320/next:master:1958d2d53dadbb1c9aaf0b37741f13a60098b243:bisect-linux6 2014-03-01-08:30:15 1958d2d53dadbb1c9aaf0b37741f13a60098b243 compiling 155 real 1526 user 101 sys 1048.78% cpu i386-randconfig-c5-03010320 2014-03-01-08:33:10 detecting boot state 3.14.0-rc1-00092-g1958d2d.. 1 13 20 SUCCESS Bisecting: 0 revisions left to test after this (roughly 1 step) [0e1d768f1b1873272ec4e8dc1482bb5281855017] cgroup: drop task_lock() protection around task->cgroups running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux6/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-c5-03010320/next:master:0e1d768f1b1873272ec4e8dc1482bb5281855017:bisect-linux6 2014-03-01-08:35:40 0e1d768f1b1873272ec4e8dc1482bb5281855017 compiling 160 real 1523 user 103 sys 1015.55% cpu i386-randconfig-c5-03010320 2014-03-01-08:38:40 detecting boot state 3.14.0-rc1-00094-g0e1d768.... TEST FAILURE [ 6.905144] mountall (84) used greatest stack depth: 6128 bytes left [ 19.177442] [ 19.178187] =============================== [ 19.179312] [ INFO: suspicious RCU usage. ] [ 19.181465] 3.14.0-rc1-00094-g0e1d768 #101 Not tainted [ 19.182797] ------------------------------- [ 19.184069] /kernel-tests/linux6/include/linux/cgroup.h:705 suspicious rcu_dereference_check() usage! [ 19.186401] [ 19.186401] other info that might help us debug this: [ 19.186401] [ 19.188900] [ 19.188900] rcu_scheduler_active = 1, debug_locks = 0 [ 19.191949] 2 locks held by trinity-c0/3858: [ 19.193087] #0: (callback_mutex){+.+...}, at: [] cpuset_cpus_allowed+0x2f/0xc1 [ 19.195920] #1: (&(&p->alloc_lock)->rlock){+.+...}, at: [] cpuset_cpus_allowed+0x44/0xc1 [ 19.199177] [ 19.199177] stack backtrace: [ 19.200790] CPU: 0 PID: 3858 Comm: trinity-c0 Not tainted 3.14.0-rc1-00094-g0e1d768 #101 [ 19.203003] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.204810] 00000001 00000001 c7e65f38 c1eb028c c7e65f54 c110243d c2579ce1 c0132590 [ 19.208004] c0132590 c31953a8 c7e65f84 c7e65f64 c116f1a0 c0132590 c01329c0 c7e65f78 [ 19.212082] c1172c55 c0132590 c7e65f84 c7e65fa0 c7e65f98 c10e33c4 00000f12 c7e65f98 [ 19.215272] Call Trace: [ 19.216172] [] dump_stack+0x40/0x5e [ 19.217648] [] lockdep_rcu_suspicious+0x1c0/0x1d7 [ 19.219083] [] task_cs+0x1e3/0x218 [ 19.220508] [] cpuset_cpus_allowed+0x59/0xc1 [ 19.221971] [] sched_setaffinity+0x2c9/0x4c5 [ 19.223541] [] ? copy_from_user+0x44/0x54 [ 19.224913] [] SyS_sched_setaffinity+0x176/0x1a5 [ 19.226376] [] sysenter_do_call+0x12/0x3c [ 19.232757] waiting module removal not supported: please upgrade [ 19.243790] rds_remove_bound(): rs c0320480 unbinding from 127.0.0.1:48081 [ 19.250073] rds_remove_bound(): rs c03bcc00 unbinding from 127.0.0.1:28933 /kernel/i386-randconfig-c5-03010320/0e1d768f1b1873272ec4e8dc1482bb5281855017/dmesg-quantal-inn-24:20140301084012:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/0e1d768f1b1873272ec4e8dc1482bb5281855017/dmesg-quantal-inn-27:20140301084008:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/0e1d768f1b1873272ec4e8dc1482bb5281855017/dmesg-quantal-bens-1:20140301084017:i386-randconfig-c5-03010320:3.14.0-rc1-00094-g0e1d768:101 /kernel/i386-randconfig-c5-03010320/0e1d768f1b1873272ec4e8dc1482bb5281855017/dmesg-yocto-bens-2:20140301084024:i386-randconfig-c5-03010320:3.14.0-rc1-00094-g0e1d768:101 /kernel/i386-randconfig-c5-03010320/0e1d768f1b1873272ec4e8dc1482bb5281855017/dmesg-yocto-bens-6:20140301084018:i386-randconfig-c5-03010320:3.14.0-rc1-00094-g0e1d768:101 /kernel/i386-randconfig-c5-03010320/0e1d768f1b1873272ec4e8dc1482bb5281855017/dmesg-yocto-cairo-31:20140301084018:i386-randconfig-c5-03010320:3.14.0-rc1-00094-g0e1d768:101 /kernel/i386-randconfig-c5-03010320/0e1d768f1b1873272ec4e8dc1482bb5281855017/dmesg-yocto-snb-30:20140301084017:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/0e1d768f1b1873272ec4e8dc1482bb5281855017/dmesg-quantal-athens-32:20140301084025:i386-randconfig-c5-03010320:3.14.0-rc1-00094-g0e1d768:101 /kernel/i386-randconfig-c5-03010320/0e1d768f1b1873272ec4e8dc1482bb5281855017/dmesg-quantal-jaketown-7:20140301084023:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/0e1d768f1b1873272ec4e8dc1482bb5281855017/dmesg-quantal-snb-30:20140301084026:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/0e1d768f1b1873272ec4e8dc1482bb5281855017/dmesg-yocto-inn-26:20140301084033:i386-randconfig-c5-03010320:: 0:11:11 all_good:bad:all_bad boots 2014-03-01 08:40:42 REPEAT COUNT: 20 # /kernel-tests/linux6/obj-bisect/.repeat Bisecting: 0 revisions left to test after this (roughly 0 steps) [eaf797abc53b0ab3f0a02d4ef873a565fcce6daa] cgroup: update how a newly forked task gets associated with css_set running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux6/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-c5-03010320/next:master:eaf797abc53b0ab3f0a02d4ef873a565fcce6daa:bisect-linux6 2014-03-01-08:40:43 eaf797abc53b0ab3f0a02d4ef873a565fcce6daa compiling 152 real 1514 user 98 sys 1056.39% cpu i386-randconfig-c5-03010320 2014-03-01-08:43:33 detecting boot state 3.14.0-rc1-00093-geaf797a.. 3 12 14 19 20 SUCCESS 0e1d768f1b1873272ec4e8dc1482bb5281855017 is the first bad commit commit 0e1d768f1b1873272ec4e8dc1482bb5281855017 Author: Tejun Heo Date: Tue Feb 25 10:04:03 2014 -0500 cgroup: drop task_lock() protection around task->cgroups For optimization, task_lock() is additionally used to protect task->cgroups. The optimization is pretty dubious as either css_set_rwsem is grabbed anyway or PF_EXITING already protects task->cgroups. It adds only overhead and confusion at this point. Let's drop task_[un]lock() and update comments accordingly. Signed-off-by: Tejun Heo Acked-by: Li Zefan :040000 040000 13d2ffd17cd1ee7c7cff246e9953d27674102034 2b780050e94e47a2d42ecfd86bd01014ee2db596 M include :040000 040000 49346522b960f9eb3900a4f49260e295b49c2167 9455fcbc77f5a1137879913c9468e1db78693e35 M kernel bisect run success ls -a /kernel-tests/run-queue/kvm/i386-randconfig-c5-03010320/next:master:eaf797abc53b0ab3f0a02d4ef873a565fcce6daa:bisect-linux6 2014-03-01-08:47:04 eaf797abc53b0ab3f0a02d4ef873a565fcce6daa reuse /kernel/i386-randconfig-c5-03010320/eaf797abc53b0ab3f0a02d4ef873a565fcce6daa/vmlinuz-3.14.0-rc1-00093-geaf797a 2014-03-01-08:47:04 detecting boot state ... 32 43 55 60 SUCCESS ls -a /kernel-tests/run-queue/kvm/i386-randconfig-c5-03010320/next:master:b148a42ba7823e34971cd4e5b05a5c74fa3311ed:bisect-linux6 TEST FAILURE [ 5.491825] mountall (89) used greatest stack depth: 6192 bytes left [ 16.618782] [ 16.619241] =============================== [ 16.619964] [ INFO: suspicious RCU usage. ] [ 16.620737] 3.14.0-rc4-next-20140228-05738-gb148a42 #1 Not tainted [ 16.621849] ------------------------------- [ 16.622580] include/linux/cgroup.h:705 suspicious rcu_dereference_check() usage! [ 16.624186] [ 16.624186] other info that might help us debug this: [ 16.624186] [ 16.625724] [ 16.625724] rcu_scheduler_active = 1, debug_locks = 0 [ 16.626992] 2 locks held by trinity-c0/3909: [ 16.627743] #0: (callback_mutex){+.+...}, at: [] cpuset_cpus_allowed+0x2f/0xc1 [ 16.629488] #1: (&(&p->alloc_lock)->rlock){+.+...}, at: [] cpuset_cpus_allowed+0x44/0xc1 [ 16.631417] [ 16.631417] stack backtrace: [ 16.632348] CPU: 0 PID: 3909 Comm: trinity-c0 Not tainted 3.14.0-rc4-next-20140228-05738-gb148a42 #1 [ 16.633902] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.634820] 00000001 00000001 cde8df38 c1eca7bd cde8df54 c1103fe2 c259fd3c c7f92590 [ 16.636774] c7f92590 c31d5850 cde8df84 cde8df64 c1171471 c7f92590 c7f929c4 cde8df78 [ 16.638656] c1174f4c c7f92590 cde8df84 cde8dfa0 cde8df98 c10e3fdc 00000f45 cde8df98 [ 16.640592] Call Trace: [ 16.641147] [] dump_stack+0x40/0x5e [ 16.641935] [] lockdep_rcu_suspicious+0x1c0/0x1d7 [ 16.642840] [] task_cs+0x1e3/0x218 [ 16.643683] [] cpuset_cpus_allowed+0x59/0xc1 [ 16.644538] [] sched_setaffinity+0x2c9/0x4c5 [ 16.645394] [] ? copy_from_user+0x44/0x54 [ 16.646228] [] SyS_sched_setaffinity+0x176/0x1a5 [ 16.647201] [] sysenter_do_call+0x12/0x3c [ 16.653337] rds_remove_bound(): rs c0208b80 unbinding from 127.116.62.141:46618 [ 16.656887] rds_remove_bound(): rs c0c43780 unbinding from 127.0.0.1:53485 [ 50.746922] random: nonblocking pool is initialized /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-quantal-cairo-11:20140301061810:i386-randconfig-c5-03010320:3.14.0-rc4-next-20140228-05738-gb148a42:1 /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-yocto-athens-9:20140301063451:i386-randconfig-c5-03010320:3.14.0-rc4-next-20140228-05738-gb148a42:1 /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-quantal-cairo-6:20140301061752:i386-randconfig-c5-03010320:3.14.0-rc4-next-20140228-05738-gb148a42:1 /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-quantal-bens-7:20140301061826:i386-randconfig-c5-03010320:3.14.0-rc4-next-20140228-05738-gb148a42:1 /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-quantal-xian-3:20140301061750:i386-randconfig-c5-03010320:3.14.0-rc4-next-20140228-05738-gb148a42:1 /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-yocto-roam-16:20140301063437:i386-randconfig-c5-03010320:3.14.0-rc4-next-20140228-05738-gb148a42:1 /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-quantal-cairo-34:20140301063456:i386-randconfig-c5-03010320:3.14.0-rc4-next-20140228-05738-gb148a42:1 /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-yocto-snb-25:20140301063445:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-yocto-xian-8:20140301063436:i386-randconfig-c5-03010320:3.14.0-rc4-next-20140228-05738-gb148a42:1 /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-quantal-xian-32:20140301061802:i386-randconfig-c5-03010320:3.14.0-rc4-next-20140228-05738-gb148a42:1 /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-yocto-xian-39:20140301063459:i386-randconfig-c5-03010320:3.14.0-rc4-next-20140228-05738-gb148a42:1 /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-yocto-jaketown-30:20140301063458:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-yocto-inn-20:20140301061750:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-quantal-inn-17:20140301061807:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-yocto-cairo-6:20140301063446:i386-randconfig-c5-03010320:3.14.0-rc4-next-20140228-05738-gb148a42:1 /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-yocto-inn-38:20140301063502:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-quantal-lkp-st01-15:20140301061807:i386-randconfig-c5-03010320:3.14.0-rc4-next-20140228-05738-gb148a42:1 /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-quantal-jaketown-9:20140301061821:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-quantal-athens-5:20140301063452:i386-randconfig-c5-03010320:3.14.0-rc4-next-20140228-05738-gb148a42:1 0:19:19 all_good:bad:all_bad boots [detached HEAD 8f6eaa4] Revert "cgroup: drop task_lock() protection around task->cgroups" Committer: Wu Fengguang Your name and email address were configured automatically based on your username and hostname. Please check that they are accurate. You can suppress this message by setting them explicitly: git config --global user.name "Your Name" git config --global user.email you@example.com After doing this, you may fix the identity used for this commit with: git commit --amend --reset-author 2 files changed, 75 insertions(+), 28 deletions(-) ls -a /kernel-tests/run-queue/kvm/i386-randconfig-c5-03010320/next:master:8f6eaa4b28ded2c03943a33d9b23325fd8f20841:bisect-linux6 2014-03-01-08:50:39 8f6eaa4b28ded2c03943a33d9b23325fd8f20841 compiling 2014-03-01-08:55:21 detecting boot state 3.14.0-rc4-next-20140228-05739-g8f6eaa4... 16 30 48 58 60 SUCCESS ========= upstream ========= Fetching linus From git://gitmirror/linus d8efcf3..8427def master -> linus/master Warning: you are leaving 1 commit behind, not connected to any of your branches: 8f6eaa4 Revert "cgroup: drop task_lock() protection around task->cgroups" If you want to keep them by creating a new branch, this may be a good time to do so with: git branch new_branch_name 8f6eaa4 HEAD is now at 8427def... MAINTAINERS: add maintainer entry for Armada DRM driver ls -a /kernel-tests/run-queue/kvm/i386-randconfig-c5-03010320/next:master:8427defd087ae6c5eaea9d609dfe7f165568accd:bisect-linux6 2014-03-01-08:59:25 8427defd087ae6c5eaea9d609dfe7f165568accd compiling 2014-03-01-09:04:04 detecting boot state 3.14.0-rc4-00120-g8427def.. 2 11 30 48 50 60 SUCCESS ========= linux-next ========= Previous HEAD position was 8427def... MAINTAINERS: add maintainer entry for Armada DRM driver HEAD is now at b148a42... Add linux-next specific files for 20140228 ls -a /kernel-tests/run-queue/kvm/i386-randconfig-c5-03010320/next:master:b148a42ba7823e34971cd4e5b05a5c74fa3311ed:bisect-linux6 TEST FAILURE [ 5.491825] mountall (89) used greatest stack depth: 6192 bytes left [ 16.618782] [ 16.619241] =============================== [ 16.619964] [ INFO: suspicious RCU usage. ] [ 16.620737] 3.14.0-rc4-next-20140228-05738-gb148a42 #1 Not tainted [ 16.621849] ------------------------------- [ 16.622580] include/linux/cgroup.h:705 suspicious rcu_dereference_check() usage! [ 16.624186] [ 16.624186] other info that might help us debug this: [ 16.624186] [ 16.625724] [ 16.625724] rcu_scheduler_active = 1, debug_locks = 0 [ 16.626992] 2 locks held by trinity-c0/3909: [ 16.627743] #0: (callback_mutex){+.+...}, at: [] cpuset_cpus_allowed+0x2f/0xc1 [ 16.629488] #1: (&(&p->alloc_lock)->rlock){+.+...}, at: [] cpuset_cpus_allowed+0x44/0xc1 [ 16.631417] [ 16.631417] stack backtrace: [ 16.632348] CPU: 0 PID: 3909 Comm: trinity-c0 Not tainted 3.14.0-rc4-next-20140228-05738-gb148a42 #1 [ 16.633902] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.634820] 00000001 00000001 cde8df38 c1eca7bd cde8df54 c1103fe2 c259fd3c c7f92590 [ 16.636774] c7f92590 c31d5850 cde8df84 cde8df64 c1171471 c7f92590 c7f929c4 cde8df78 [ 16.638656] c1174f4c c7f92590 cde8df84 cde8dfa0 cde8df98 c10e3fdc 00000f45 cde8df98 [ 16.640592] Call Trace: [ 16.641147] [] dump_stack+0x40/0x5e [ 16.641935] [] lockdep_rcu_suspicious+0x1c0/0x1d7 [ 16.642840] [] task_cs+0x1e3/0x218 [ 16.643683] [] cpuset_cpus_allowed+0x59/0xc1 [ 16.644538] [] sched_setaffinity+0x2c9/0x4c5 [ 16.645394] [] ? copy_from_user+0x44/0x54 [ 16.646228] [] SyS_sched_setaffinity+0x176/0x1a5 [ 16.647201] [] sysenter_do_call+0x12/0x3c [ 16.653337] rds_remove_bound(): rs c0208b80 unbinding from 127.116.62.141:46618 [ 16.656887] rds_remove_bound(): rs c0c43780 unbinding from 127.0.0.1:53485 [ 50.746922] random: nonblocking pool is initialized /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-quantal-cairo-11:20140301061810:i386-randconfig-c5-03010320:3.14.0-rc4-next-20140228-05738-gb148a42:1 /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-yocto-athens-9:20140301063451:i386-randconfig-c5-03010320:3.14.0-rc4-next-20140228-05738-gb148a42:1 /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-quantal-cairo-6:20140301061752:i386-randconfig-c5-03010320:3.14.0-rc4-next-20140228-05738-gb148a42:1 /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-quantal-bens-7:20140301061826:i386-randconfig-c5-03010320:3.14.0-rc4-next-20140228-05738-gb148a42:1 /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-quantal-xian-3:20140301061750:i386-randconfig-c5-03010320:3.14.0-rc4-next-20140228-05738-gb148a42:1 /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-yocto-roam-16:20140301063437:i386-randconfig-c5-03010320:3.14.0-rc4-next-20140228-05738-gb148a42:1 /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-quantal-cairo-34:20140301063456:i386-randconfig-c5-03010320:3.14.0-rc4-next-20140228-05738-gb148a42:1 /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-yocto-snb-25:20140301063445:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-yocto-xian-8:20140301063436:i386-randconfig-c5-03010320:3.14.0-rc4-next-20140228-05738-gb148a42:1 /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-quantal-xian-32:20140301061802:i386-randconfig-c5-03010320:3.14.0-rc4-next-20140228-05738-gb148a42:1 /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-yocto-xian-39:20140301063459:i386-randconfig-c5-03010320:3.14.0-rc4-next-20140228-05738-gb148a42:1 /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-yocto-jaketown-30:20140301063458:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-yocto-inn-20:20140301061750:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-quantal-inn-17:20140301061807:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-yocto-cairo-6:20140301063446:i386-randconfig-c5-03010320:3.14.0-rc4-next-20140228-05738-gb148a42:1 /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-yocto-inn-38:20140301063502:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-quantal-lkp-st01-15:20140301061807:i386-randconfig-c5-03010320:3.14.0-rc4-next-20140228-05738-gb148a42:1 /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-quantal-jaketown-9:20140301061821:i386-randconfig-c5-03010320:: /kernel/i386-randconfig-c5-03010320/b148a42ba7823e34971cd4e5b05a5c74fa3311ed/dmesg-quantal-athens-5:20140301063452:i386-randconfig-c5-03010320:3.14.0-rc4-next-20140228-05738-gb148a42:1 0:19:19 all_good:bad:all_bad boots