git checkout 233035a7f291ea27aec280270bc05293da3b0e7c Previous HEAD position was 1e712b0... Add linux-next specific files for 20130816 HEAD is now at 233035a... Merge remote-tracking branch 'aio/master' ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-a06-0818/next:master:233035a7f291ea27aec280270bc05293da3b0e7c:bisect-usb TEST FAILURE [ 20.458920] 3.11.0-rc5-05578-g233035a #16 Not tainted [ 20.458920] ------------------------------------- [ 20.458920] swapper/1 is trying to release lock (cpufreq_rwsem) at: [ 20.458920] [] cpufreq_add_dev+0x232/0x360 [ 20.458920] but there are no more locks to release! [ 20.458920] [ 20.458920] other info that might help us debug this: [ 20.458920] 1 lock held by swapper/1: [ 20.458920] #0: (subsys mutex){+.+.+.}, at: [] subsys_interface_register+0x54/0xf0 [ 20.458920] [ 20.458920] stack backtrace: [ 20.458920] CPU: 0 PID: 1 Comm: swapper Not tainted 3.11.0-rc5-05578-g233035a #16 [ 20.458920] ffffffff8164d582 ffff88000dc63ce8 ffffffff81884426 ffff88000dc63d10 [ 20.458920] ffffffff810c709c ffffffff81d63b10 ffff88000dc5a040 ffffffff8164d582 [ 20.458920] ffff88000dc63d88 ffffffff810cba96 ffffffff810c7f70 000000070dc63d68 [ 20.458920] Call Trace: [ 20.458920] [] ? cpufreq_add_dev+0x232/0x360 [ 20.458920] [] dump_stack+0x19/0x1b [ 20.458920] [] print_unlock_imbalance_bug+0xec/0x100 [ 20.458920] [] ? cpufreq_add_dev+0x232/0x360 [ 20.458920] [] lock_release_non_nested+0x226/0x300 [ 20.458920] [] ? mark_held_locks+0xb0/0x130 [ 20.458920] [] ? kfree+0xe9/0x140 [ 20.458920] [] ? cpufreq_add_dev+0x232/0x360 [ 20.458920] [] lock_release+0x88/0x1b0 [ 20.458920] [] up_read+0x1a/0x40 [ 20.458920] [] cpufreq_add_dev+0x232/0x360 [ 20.458920] [] subsys_interface_register+0xa9/0xf0 [ 20.458920] [] cpufreq_register_driver+0x84/0x130 [ 20.458920] [] ? cpufreq_gov_dbs_init+0x12/0x12 [ 20.458920] [] acpi_cpufreq_init+0x51/0x134 [ 20.458920] [] do_one_initcall+0x8c/0x138 [ 20.458920] [] ? parse_args+0x1f8/0x330 [ 20.458920] [] kernel_init_freeable+0x113/0x18e [ 20.458920] [] ? do_early_param+0x88/0x88 [ 20.458920] [] ? rest_init+0x150/0x150 [ 20.458920] [] kernel_init+0x9/0x180 [ 20.458920] [] ret_from_fork+0x7a/0xb0 [ 20.458920] [] ? rest_init+0x150/0x150 [ 20.482114] BIOS EDD facility v0.16 2004-Jun-25, 6 devices found [ 20.553160] Freeing unused kernel memory: 776K (ffffffff81da8000 - ffffffff81e6a000) /kernel/x86_64-randconfig-a06-0818/233035a7f291ea27aec280270bc05293da3b0e7c/dmesg-kvm-ant-2559-20130818130138-3.11.0-rc5-05578-g233035a-16 /kernel/x86_64-randconfig-a06-0818/233035a7f291ea27aec280270bc05293da3b0e7c/dmesg-kvm-ant-9274-20130818123530-3.11.0-rc5-05578-g233035a-16 /kernel/x86_64-randconfig-a06-0818/233035a7f291ea27aec280270bc05293da3b0e7c/dmesg-kvm-bay-14388-20130818123511-3.11.0-rc5-05578-g233035a-16 /kernel/x86_64-randconfig-a06-0818/233035a7f291ea27aec280270bc05293da3b0e7c/dmesg-kvm-bay-17400-20130818120054-3.11.0-rc5-05578-g233035a-16 /kernel/x86_64-randconfig-a06-0818/233035a7f291ea27aec280270bc05293da3b0e7c/dmesg-kvm-bay-17400-20130818120140-3.11.0-rc5-05578-g233035a-16 /kernel/x86_64-randconfig-a06-0818/233035a7f291ea27aec280270bc05293da3b0e7c/dmesg-kvm-roam-11415-20130818130139-3.11.0-rc5-05578-g233035a-16 /kernel/x86_64-randconfig-a06-0818/233035a7f291ea27aec280270bc05293da3b0e7c/dmesg-kvm-roam-8265-20130818123448-3.11.0-rc5-05578-g233035a-16 /kernel/x86_64-randconfig-a06-0818/233035a7f291ea27aec280270bc05293da3b0e7c/dmesg-kvm-roam-8265-20130818123508-3.11.0-rc5-05578-g233035a-16 /kernel/x86_64-randconfig-a06-0818/233035a7f291ea27aec280270bc05293da3b0e7c/dmesg-kvm-snb-12480-20130818123604-- /kernel/x86_64-randconfig-a06-0818/233035a7f291ea27aec280270bc05293da3b0e7c/dmesg-kvm-snb-19074-20130818123603-3.11.0-rc5-05578-g233035a-16 /kernel/x86_64-randconfig-a06-0818/233035a7f291ea27aec280270bc05293da3b0e7c/dmesg-kvm-snb-19074-20130818123622-3.11.0-rc5-05578-g233035a-16 /kernel/x86_64-randconfig-a06-0818/233035a7f291ea27aec280270bc05293da3b0e7c/dmesg-kvm-snb-20172-20130818130108-3.11.0-rc5-05578-g233035a-16 /kernel/x86_64-randconfig-a06-0818/233035a7f291ea27aec280270bc05293da3b0e7c/dmesg-kvm-snb-20172-20130818130127-3.11.0-rc5-05578-g233035a-16 /kernel/x86_64-randconfig-a06-0818/233035a7f291ea27aec280270bc05293da3b0e7c/dmesg-kvm-snb-20172-20130818130155-3.11.0-rc5-05578-g233035a-16 /kernel/x86_64-randconfig-a06-0818/233035a7f291ea27aec280270bc05293da3b0e7c/dmesg-kvm-snb-23413-20130818120334-3.11.0-rc5-05578-g233035a-16 /kernel/x86_64-randconfig-a06-0818/233035a7f291ea27aec280270bc05293da3b0e7c/dmesg-kvm-snb-30149-20130818130306-- /kernel/x86_64-randconfig-a06-0818/233035a7f291ea27aec280270bc05293da3b0e7c/dmesg-kvm-snb-55946-20130818123608-- /kernel/x86_64-randconfig-a06-0818/233035a7f291ea27aec280270bc05293da3b0e7c/dmesg-kvm-snb-55946-20130818123627-- /kernel/x86_64-randconfig-a06-0818/233035a7f291ea27aec280270bc05293da3b0e7c/dmesg-kvm-snb-6056-20130818130252-3.11.0-rc5-03189-gb9cf00c-18 /kernel/x86_64-randconfig-a06-0818/233035a7f291ea27aec280270bc05293da3b0e7c/dmesg-kvm-snb-62567-20130818130249-3.11.0-rc5-03189-gb9cf00c-18 /kernel/x86_64-randconfig-a06-0818/233035a7f291ea27aec280270bc05293da3b0e7c/dmesg-kvm-snb-9971-20130818130241-3.11.0-rc5-05578-g233035a-16 bisect: bad commit 233035a7f291ea27aec280270bc05293da3b0e7c git checkout v3.10 Previous HEAD position was 233035a... Merge remote-tracking branch 'aio/master' HEAD is now at 8bb495e... Linux 3.10 ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-a06-0818/next:master:8bb495e3f02401ee6f76d1b1d77f3ac9f079e376:bisect-usb 2013-08-20-17:58:12 8bb495e3f02401ee6f76d1b1d77f3ac9f079e376 compiling 286 real 1102 user 105 sys 421.82% cpu x86_64-randconfig-a06-0818 2013-08-20-18:03:30 detecting boot state 3.10.0. 1.... 2 4.... 5 6..... 8. 9 10. 11. 12.. 13............. 14 16. 18.. 23 25 30 43 54 58.. 60 SUCCESS bisect: good commit v3.10 git bisect start 233035a7f291ea27aec280270bc05293da3b0e7c v3.10 -- Previous HEAD position was 8bb495e... Linux 3.10 HEAD is now at c1be5a5... Linux 3.9 Bisecting: 8400 revisions left to test after this (roughly 13 steps) [496322bc91e35007ed754184dcd447a02b6dd685] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next git bisect run /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-a06-0818/next:master:496322bc91e35007ed754184dcd447a02b6dd685:bisect-usb 2013-08-20-18:32:58 496322bc91e35007ed754184dcd447a02b6dd685 compiling 214 real 1129 user 102 sys 575.34% cpu x86_64-randconfig-a06-0818 2013-08-20-18:36:44 detecting boot state 3.10.0-08587-g496322b..... 1 2..... 3 5..... 7...... 8..... 9..... 10...... 11 12 13 14.......... 15 16........ 18.............. 19... 20. 21. 22... 23..... 24.. 25.. 27....... 28. 29. 32....... 33... 35.... 36 37 38 40 43 48 52 54 55... 56. 57.. 58..... 59 60 SUCCESS Bisecting: 4455 revisions left to test after this (roughly 12 steps) [1be61c8552a7fb4b1f3229b25bfaa2f1ae834730] Merge remote-tracking branch 'slave-dma/next' running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-a06-0818/next:master:1be61c8552a7fb4b1f3229b25bfaa2f1ae834730:bisect-usb 2013-08-20-19:57:50 1be61c8552a7fb4b1f3229b25bfaa2f1ae834730 compiling 193 real 1152 user 114 sys 656.24% cpu x86_64-randconfig-a06-0818 2013-08-20-20:01:19 detecting boot state 3.11.0-rc5-01738-g1be61c8...... TEST FAILURE [ 3.702616] fmc_write_eeprom fake-design-for-testing-f001: fmc_write_eeprom: no busid passed, refusing all cards [ 3.704007] fmc fake-design-for-testing-f001: Driver has no ID: matches all [ 3.704987] BUG: scheduling while atomic: swapper/1/0x00000002 [ 3.704987] 4 locks held by swapper/1: [ 3.704987] #0: (&__lockdep_no_validate__){......}, at: [] __driver_attach+0x43/0x90 [ 3.704987] #1: (&__lockdep_no_validate__){......}, at: [] __driver_attach+0x51/0x90 [ 3.704987] #2: (fc_lock){+.+.+.}, at: [] fc_probe+0x8c/0x140 [ 3.704987] #3: (misc_mtx){+.+.+.}, at: [] misc_register+0x24/0x120 [ 3.704987] CPU: 0 PID: 1 Comm: swapper Not tainted 3.11.0-rc5-01738-g1be61c8 #324 [ 3.704987] 7fffffffffffffff ffff88000dc619e0 ffffffff81882ee7 ffff88000dc619f8 [ 3.704987] ffffffff81880116 7fffffffffffffff ffff88000dc61a58 ffffffff8189a133 [ 3.704987] ffff88000dc58610 ffff88000dc58040 ffff88000dc61fd8 ffff88000dc61fd8 [ 3.704987] Call Trace: [ 3.704987] [] dump_stack+0x19/0x1b [ 3.704987] [] __schedule_bug+0x5b/0x6a [ 3.704987] [] __schedule+0x563/0x5d0 [ 3.704987] [] schedule+0x14/0x20 [ 3.704987] [] schedule_timeout+0x145/0x1a0 [ 3.704987] [] ? mark_held_locks+0xb0/0x130 [ 3.704987] [] ? _raw_spin_unlock_irq+0x27/0x40 [ 3.704987] [] ? trace_hardirqs_on_caller+0xfd/0x1c0 [ 3.704987] [] wait_for_completion+0xcc/0x100 [ 3.704987] [] ? try_to_wake_up+0x160/0x160 [ 3.704987] [] devtmpfs_create_node+0x10b/0x140 [ 3.704987] [] device_add+0x23e/0x720 [ 3.724814] [] ? __init_waitqueue_head+0x36/0x50 [ 3.725646] [] device_create_groups_vargs+0xd8/0x100 [ 3.726534] [] device_create+0x3c/0x40 [ 3.727266] [] misc_register+0xc6/0x120 [ 3.728002] [] fc_probe+0x95/0x140 [ 3.728670] [] fmc_probe+0x12/0x20 [ 3.729358] [] driver_probe_device+0x70/0x210 [ 3.730170] [] __driver_attach+0x8b/0x90 [ 3.730921] [] ? __device_attach+0x40/0x40 [ 3.731670] [] bus_for_each_dev+0x63/0xa0 [ 3.732420] [] driver_attach+0x19/0x20 [ 3.733151] [] bus_add_driver+0x1d8/0x270 [ 3.733938] [] ? fc_read+0xa0/0xa0 [ 3.734611] [] driver_register+0x6f/0x150 [ 3.735380] [] ? fc_read+0xa0/0xa0 [ 3.736060] [] fmc_driver_register+0x30/0x40 [ 3.736845] [] fc_init+0x10/0x20 [ 3.737499] [] do_one_initcall+0x8c/0x138 [ 3.738261] [] ? parse_args+0x1f8/0x330 [ 3.739001] [] kernel_init_freeable+0x113/0x18e [ 3.739826] [] ? do_early_param+0x88/0x88 [ 3.740581] [] ? rest_init+0x150/0x150 [ 3.741308] [] kernel_init+0x9/0x180 [ 3.742015] [] ret_from_fork+0x7a/0xb0 [ 3.742734] [] ? rest_init+0x150/0x150 [ 3.743514] fmc_chardev fake-design-for-testing-f001: Created misc device "fake-design-for-testing-f001" [ 3.744984] Audio Excel DSP 16 init driver Copyright (C) Riccardo Facchetti 1995-98 /kernel/x86_64-randconfig-a06-0818/1be61c8552a7fb4b1f3229b25bfaa2f1ae834730/dmesg-kvm-roam-11919-20130820200323-3.11.0-rc5-01738-g1be61c8-324 Bisecting: 1973 revisions left to test after this (roughly 11 steps) [549f3a1218ba18fcde11ef0e22b07e6365645788] Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-a06-0818/next:master:549f3a1218ba18fcde11ef0e22b07e6365645788:bisect-usb 2013-08-20-20:04:25 549f3a1218ba18fcde11ef0e22b07e6365645788 compiling 175 real 1153 user 116 sys 723.43% cpu x86_64-randconfig-a06-0818 2013-08-20-20:07:31 detecting boot state 3.11.0-rc2-00144-g549f3a1...... 2. 4 8 12 17 20 24 34 44 48 55 60 SUCCESS Bisecting: 984 revisions left to test after this (roughly 10 steps) [3227db39cc40b6d933ef8629094feb9ce1a0492e] Merge remote-tracking branch 'net/master' running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-a06-0818/next:master:3227db39cc40b6d933ef8629094feb9ce1a0492e:bisect-usb 2013-08-20-20:17:04 3227db39cc40b6d933ef8629094feb9ce1a0492e compiling 182 real 1138 user 111 sys 686.46% cpu x86_64-randconfig-a06-0818 2013-08-20-20:20:16 detecting boot state 3.11.0-rc5-00753-g3227db3. 4 9 17 36 39 45 46 48 49 50 52 57 60 SUCCESS Bisecting: 509 revisions left to test after this (roughly 9 steps) [978ff9279fad8d3eeef71062b268f0da429d619a] Merge remote-tracking branch 'vfs/for-next' running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-a06-0818/next:master:978ff9279fad8d3eeef71062b268f0da429d619a:bisect-usb 2013-08-20-20:27:19 978ff9279fad8d3eeef71062b268f0da429d619a compiling 174 real 1126 user 103 sys 703.81% cpu x86_64-randconfig-a06-0818 2013-08-20-20:30:26 detecting boot state 3.11.0-rc5-01228-g978ff92 6 22 48 60 SUCCESS Bisecting: 254 revisions left to test after this (roughly 8 steps) [164aa191a5625d5fe37e01cfc13849f87910c676] Merge remote-tracking branch 'libata/for-next' running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-a06-0818/next:master:164aa191a5625d5fe37e01cfc13849f87910c676:bisect-usb 2013-08-20-20:32:28 164aa191a5625d5fe37e01cfc13849f87910c676 compiling 166 real 1116 user 102 sys 730.32% cpu x86_64-randconfig-a06-0818 2013-08-20-20:35:31 detecting boot state 3.11.0-rc5-01483-g164aa19. 1. 12......... 13.. 14......... 15 16 17 20 21 22 23. 24 39 52 56 59.. 60 SUCCESS Bisecting: 125 revisions left to test after this (roughly 7 steps) [84a55797049fbbb7d8da9fe3e664c7dc96601fa5] Merge branch 'pm-cpuidle' running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-a06-0818/next:master:84a55797049fbbb7d8da9fe3e664c7dc96601fa5:bisect-usb 2013-08-20-20:56:34 84a55797049fbbb7d8da9fe3e664c7dc96601fa5 compiling 187 real 1145 user 106 sys 667.59% cpu x86_64-randconfig-a06-0818 2013-08-20-20:59:52 detecting boot state 3.11.0-rc5-00745-g84a5579.. 1 2 3.............. 4. 5. 6. 7 10.. 13 16 26 45 50 57 60 SUCCESS Bisecting: 64 revisions left to test after this (roughly 6 steps) [832a373ea2343d616ec769e7939f7eb6810713aa] Merge branch 'fixes-next' into linux-next running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-a06-0818/next:master:832a373ea2343d616ec769e7939f7eb6810713aa:bisect-usb 2013-08-20-21:17:54 832a373ea2343d616ec769e7939f7eb6810713aa compiling 173 real 1130 user 106 sys 712.53% cpu x86_64-randconfig-a06-0818 2013-08-20-21:20:57 detecting boot state 3.11.0-rc5-00806-g832a373... TEST FAILURE [ 5.156674] fmc_write_eeprom fake-design-for-testing-f001: fmc_write_eeprom: no busid passed, refusing all cards [ 5.159111] fmc fake-design-for-testing-f001: Driver has no ID: matches all [ 5.160889] BUG: scheduling while atomic: swapper/1/0x00000002 [ 5.162295] 4 locks held by swapper/1: [ 5.163196] #0: (&__lockdep_no_validate__){......}, at: [] __driver_attach+0x43/0x90 [ 5.174799] #1: (&__lockdep_no_validate__){......}, at: [] __driver_attach+0x51/0x90 [ 5.177216] #2: (fc_lock){+.+.+.}, at: [] fc_probe+0x8c/0x140 [ 5.179162] #3: (misc_mtx){+.+.+.}, at: [] misc_register+0x24/0x120 [ 5.181227] CPU: 0 PID: 1 Comm: swapper Not tainted 3.11.0-rc5-00806-g832a373 #330 [ 5.183027] 7fffffffffffffff ffff88000dc619e0 ffffffff81881d27 ffff88000dc619f8 [ 5.184023] ffffffff8187ef56 7fffffffffffffff ffff88000dc61a58 ffffffff81898f63 [ 5.184023] ffff88000dc58610 ffff88000dc58040 ffff88000dc61fd8 ffff88000dc61fd8 [ 5.184023] Call Trace: [ 5.184023] [] dump_stack+0x19/0x1b [ 5.184023] [] __schedule_bug+0x5b/0x6a [ 5.200904] [] __schedule+0x563/0x5d0 [ 5.202186] [] schedule+0x14/0x20 [ 5.203181] [] schedule_timeout+0x145/0x1a0 [ 5.203181] [] ? mark_held_locks+0xb0/0x130 [ 5.203181] [] ? _raw_spin_unlock_irq+0x27/0x40 [ 5.203181] [] ? trace_hardirqs_on_caller+0xfd/0x1c0 [ 5.203181] [] wait_for_completion+0xcc/0x100 [ 5.219854] [] ? try_to_wake_up+0x160/0x160 [ 5.221254] [] devtmpfs_create_node+0x10b/0x140 [ 5.222247] [] device_add+0x23e/0x720 [ 5.222247] [] ? __init_waitqueue_head+0x36/0x50 [ 5.222247] [] device_create_groups_vargs+0xd8/0x100 [ 5.222247] [] device_create+0x3c/0x40 [ 5.222247] [] misc_register+0xc6/0x120 [ 5.222247] [] fc_probe+0x95/0x140 [ 5.239975] [] fmc_probe+0x12/0x20 [ 5.241196] [] driver_probe_device+0x70/0x210 [ 5.242635] [] __driver_attach+0x8b/0x90 [ 5.243980] [] ? __device_attach+0x40/0x40 [ 5.244975] [] bus_for_each_dev+0x63/0xa0 [ 5.244975] [] driver_attach+0x19/0x20 [ 5.244975] [] bus_add_driver+0x1d8/0x270 [ 5.244975] [] ? fc_read+0xa0/0xa0 [ 5.244975] [] driver_register+0x6f/0x150 [ 5.244975] [] ? fc_read+0xa0/0xa0 [ 5.244975] [] fmc_driver_register+0x30/0x40 [ 5.244975] [] fc_init+0x10/0x20 [ 5.273962] [] do_one_initcall+0x8c/0x138 [ 5.275317] [] ? parse_args+0x1f8/0x330 [ 5.276632] [] kernel_init_freeable+0x113/0x18e [ 5.278127] [] ? do_early_param+0x88/0x88 [ 5.279120] [] ? rest_init+0x150/0x150 [ 5.279120] [] kernel_init+0x9/0x180 [ 5.279120] [] ret_from_fork+0x7a/0xb0 [ 5.283289] [] ? rest_init+0x150/0x150 [ 5.294006] fmc_chardev fake-design-for-testing-f001: Created misc device "fake-design-for-testing-f001" [ 5.296572] Audio Excel DSP 16 init driver Copyright (C) Riccardo Facchetti 1995-98 /kernel/x86_64-randconfig-a06-0818/832a373ea2343d616ec769e7939f7eb6810713aa/dmesg-kvm-inn-7463-20130820212126-3.11.0-rc6-01329-ga18cf87-37 /kernel/x86_64-randconfig-a06-0818/832a373ea2343d616ec769e7939f7eb6810713aa/dmesg-kvm-inn-7589-20130820212119-3.11.0-rc6-00033-g5222d3f-70 /kernel/x86_64-randconfig-a06-0818/832a373ea2343d616ec769e7939f7eb6810713aa/dmesg-kvm-inn-8156-20130820212121-3.11.0-rc5-00173-g41c8bd1-36 /kernel/x86_64-randconfig-a06-0818/832a373ea2343d616ec769e7939f7eb6810713aa/dmesg-kvm-inn-8723-20130820212119-3.11.0-rc6-wl-68459-gbd52fa9-40 /kernel/x86_64-randconfig-a06-0818/832a373ea2343d616ec769e7939f7eb6810713aa/dmesg-kvm-bens-3607-20130820211754-3.11.0-rc5-00806-g832a373-330 /kernel/x86_64-randconfig-a06-0818/832a373ea2343d616ec769e7939f7eb6810713aa/dmesg-kvm-inn-10178-20130820212122-3.11.0-rc5-00173-g41c8bd1-36 /kernel/x86_64-randconfig-a06-0818/832a373ea2343d616ec769e7939f7eb6810713aa/dmesg-kvm-inn-10304-20130820212115-3.11.0-rc6-00033-g5222d3f-55 Bisecting: 29 revisions left to test after this (roughly 5 steps) [b678c5d3074d55cb49d7cc96875d04bd47ae847e] Merge branch 'pm-sleep' into linux-next running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-a06-0818/next:master:b678c5d3074d55cb49d7cc96875d04bd47ae847e:bisect-usb 2013-08-20-21:22:31 b678c5d3074d55cb49d7cc96875d04bd47ae847e compiling 170 real 1121 user 103 sys 716.82% cpu x86_64-randconfig-a06-0818 2013-08-20-21:25:30 detecting boot state 3.11.0-rc5-00776-gb678c5d...... TEST FAILURE [ 3.982411] fmc_write_eeprom fake-design-for-testing-f001: fmc_write_eeprom: no busid passed, refusing all cards [ 3.984612] fmc fake-design-for-testing-f001: Driver has no ID: matches all [ 3.986319] BUG: scheduling while atomic: swapper/1/0x00000002 [ 3.987601] 4 locks held by swapper/1: [ 3.988386] #0: (&__lockdep_no_validate__){......}, at: [] __driver_attach+0x43/0x90 [ 3.990878] #1: (&__lockdep_no_validate__){......}, at: [] __driver_attach+0x51/0x90 [ 3.993047] #2: (fc_lock){+.+.+.}, at: [] fc_probe+0x8c/0x140 [ 3.994865] #3: (misc_mtx){+.+.+.}, at: [] misc_register+0x24/0x120 [ 3.996732] CPU: 0 PID: 1 Comm: swapper Not tainted 3.11.0-rc5-00776-gb678c5d #331 [ 3.998652] 7fffffffffffffff ffff88000dc619e0 ffffffff81881d27 ffff88000dc619f8 [ 3.999648] ffffffff8187ef56 7fffffffffffffff ffff88000dc61a58 ffffffff81898f63 [ 4.001933] ffff88000dc58610 ffff88000dc58040 ffff88000dc61fd8 ffff88000dc61fd8 [ 4.001933] Call Trace: [ 4.001933] [] dump_stack+0x19/0x1b [ 4.005702] [] __schedule_bug+0x5b/0x6a [ 4.006694] [] __schedule+0x563/0x5d0 [ 4.006694] [] schedule+0x14/0x20 [ 4.006694] [] schedule_timeout+0x145/0x1a0 [ 4.006694] [] ? mark_held_locks+0xb0/0x130 [ 4.006694] [] ? _raw_spin_unlock_irq+0x27/0x40 [ 4.013557] [] ? trace_hardirqs_on_caller+0xfd/0x1c0 [ 4.014988] [] wait_for_completion+0xcc/0x100 [ 4.015983] [] ? try_to_wake_up+0x160/0x160 [ 4.017596] [] devtmpfs_create_node+0x10b/0x140 [ 4.018929] [] device_add+0x23e/0x720 [ 4.019924] [] ? __init_waitqueue_head+0x36/0x50 [ 4.021658] [] device_create_groups_vargs+0xd8/0x100 [ 4.022653] [] device_create+0x3c/0x40 [ 4.022653] [] misc_register+0xc6/0x120 [ 4.025463] [] fc_probe+0x95/0x140 [ 4.026545] [] fmc_probe+0x12/0x20 [ 4.027652] [] driver_probe_device+0x70/0x210 [ 4.028647] [] __driver_attach+0x8b/0x90 [ 4.030380] [] ? __device_attach+0x40/0x40 [ 4.031637] [] bus_for_each_dev+0x63/0xa0 [ 4.032630] [] driver_attach+0x19/0x20 [ 4.032630] [] bus_add_driver+0x1d8/0x270 [ 4.032630] [] ? fc_read+0xa0/0xa0 [ 4.032630] [] driver_register+0x6f/0x150 [ 4.037836] [] ? fc_read+0xa0/0xa0 [ 4.038830] [] fmc_driver_register+0x30/0x40 [ 4.040173] [] fc_init+0x10/0x20 [ 4.041168] [] do_one_initcall+0x8c/0x138 [ 4.041168] [] ? parse_args+0x1f8/0x330 [ 4.041168] [] kernel_init_freeable+0x113/0x18e [ 4.041168] [] ? do_early_param+0x88/0x88 [ 4.041168] [] ? rest_init+0x150/0x150 [ 4.041168] [] kernel_init+0x9/0x180 [ 4.041168] [] ret_from_fork+0x7a/0xb0 [ 4.041168] [] ? rest_init+0x150/0x150 [ 4.051393] fmc_chardev fake-design-for-testing-f001: Created misc device "fake-design-for-testing-f001" [ 4.053948] Audio Excel DSP 16 init driver Copyright (C) Riccardo Facchetti 1995-98 /kernel/x86_64-randconfig-a06-0818/b678c5d3074d55cb49d7cc96875d04bd47ae847e/dmesg-kvm-bens-3773-20130820212317-3.11.0-rc5-00776-gb678c5d-331 Bisecting: 14 revisions left to test after this (roughly 4 steps) [1133bfa6dcf034639486982629d29472737d5e96] Merge branch 'pm-cpufreq-ondemand' into pm-cpufreq running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-a06-0818/next:master:1133bfa6dcf034639486982629d29472737d5e96:bisect-usb 2013-08-20-21:28:33 1133bfa6dcf034639486982629d29472737d5e96 compiling 169 real 1125 user 106 sys 727.01% cpu x86_64-randconfig-a06-0818 2013-08-20-21:31:31 detecting boot state 3.11.0-rc4-00411-g1133bfa..... 2.. 3 5. 6 8 17 32 48 54 59 60 SUCCESS Bisecting: 7 revisions left to test after this (roughly 3 steps) [fe492f3f0332e23cc6ca4913e5a2ed78e1888902] cpufreq: Fix broken usage of governor->owner's refcount running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-a06-0818/next:master:fe492f3f0332e23cc6ca4913e5a2ed78e1888902:bisect-usb 2013-08-20-21:41:02 fe492f3f0332e23cc6ca4913e5a2ed78e1888902 compiling 159 real 1111 user 101 sys 758.67% cpu x86_64-randconfig-a06-0818 2013-08-20-21:43:51 detecting boot state 3.11.0-rc4-00418-gfe492f3. 2 3 15 39 60 SUCCESS Bisecting: 4 revisions left to test after this (roughly 2 steps) [3de9bdeb28638e164d1f0eb38dd68e3f5d2ac95c] cpufreq: improve error checking on return values of __cpufreq_governor() running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-a06-0818/next:master:3de9bdeb28638e164d1f0eb38dd68e3f5d2ac95c:bisect-usb 2013-08-20-21:46:52 3de9bdeb28638e164d1f0eb38dd68e3f5d2ac95c compiling 169 real 1114 user 99 sys 714.28% cpu x86_64-randconfig-a06-0818 2013-08-20-21:49:52 detecting boot state 3.11.0-rc4-00421-g3de9bde....... TEST FAILURE [ 3.817504] fmc_write_eeprom fake-design-for-testing-f001: fmc_write_eeprom: no busid passed, refusing all cards [ 3.819272] fmc fake-design-for-testing-f001: Driver has no ID: matches all [ 3.820549] BUG: scheduling while atomic: swapper/1/0x00000002 [ 3.821556] 4 locks held by swapper/1: [ 3.822219] #0: (&__lockdep_no_validate__){......}, at: [] __driver_attach+0x43/0x90 [ 3.823998] #1: (&__lockdep_no_validate__){......}, at: [] __driver_attach+0x51/0x90 [ 3.825738] #2: (fc_lock){+.+.+.}, at: [] fc_probe+0x8c/0x140 [ 3.827172] #3: (misc_mtx){+.+.+.}, at: [] misc_register+0x24/0x120 [ 3.828679] CPU: 0 PID: 1 Comm: swapper Not tainted 3.11.0-rc4-00421-g3de9bde #334 [ 3.829978] 7fffffffffffffff ffff88000dc619e0 ffffffff81881d87 ffff88000dc619f8 [ 3.830974] ffffffff8187efb6 7fffffffffffffff ffff88000dc61a58 ffffffff81899043 [ 3.830974] ffff88000dc58610 ffff88000dc58040 ffff88000dc61fd8 ffff88000dc61fd8 [ 3.830974] Call Trace: [ 3.830974] [] dump_stack+0x19/0x1b [ 3.835409] [] __schedule_bug+0x5b/0x6a [ 3.836369] [] __schedule+0x563/0x5d0 [ 3.837298] [] schedule+0x14/0x20 [ 3.838166] [] schedule_timeout+0x145/0x1a0 [ 3.839184] [] ? mark_held_locks+0xb0/0x130 [ 3.840193] [] ? _raw_spin_unlock_irq+0x27/0x40 [ 3.841257] [] ? trace_hardirqs_on_caller+0xfd/0x1c0 [ 3.842393] [] wait_for_completion+0xcc/0x100 [ 3.843432] [] ? try_to_wake_up+0x160/0x160 [ 3.844440] [] devtmpfs_create_node+0x10b/0x140 [ 3.845507] [] device_add+0x23e/0x720 [ 3.846429] [] ? __init_waitqueue_head+0x36/0x50 [ 3.847510] [] device_create_groups_vargs+0xd8/0x100 [ 3.848659] [] device_create+0x3c/0x40 [ 3.849590] [] misc_register+0xc6/0x120 [ 3.850541] [] fc_probe+0x95/0x140 [ 3.851420] [] fmc_probe+0x12/0x20 [ 3.852299] [] driver_probe_device+0x70/0x210 [ 3.853336] [] __driver_attach+0x8b/0x90 [ 3.854304] [] ? __device_attach+0x40/0x40 [ 3.855296] [] bus_for_each_dev+0x63/0xa0 [ 3.856272] [] driver_attach+0x19/0x20 [ 3.857205] [] bus_add_driver+0x1d8/0x270 [ 3.858179] [] ? fc_read+0xa0/0xa0 [ 3.859062] [] driver_register+0x6f/0x150 [ 3.860038] [] ? fc_read+0xa0/0xa0 [ 3.860914] [] fmc_driver_register+0x30/0x40 [ 3.861936] [] fc_init+0x10/0x20 [ 3.862790] [] do_one_initcall+0x8c/0x138 [ 3.863771] [] ? parse_args+0x1f8/0x330 [ 3.864723] [] kernel_init_freeable+0x113/0x18e [ 3.865789] [] ? do_early_param+0x88/0x88 [ 3.866770] [] ? rest_init+0x150/0x150 [ 3.867707] [] kernel_init+0x9/0x180 [ 3.868617] [] ret_from_fork+0x7a/0xb0 [ 3.869546] [] ? rest_init+0x150/0x150 [ 3.870541] fmc_chardev fake-design-for-testing-f001: Created misc device "fake-design-for-testing-f001" [ 3.872367] Audio Excel DSP 16 init driver Copyright (C) Riccardo Facchetti 1995-98 /kernel/x86_64-randconfig-a06-0818/3de9bdeb28638e164d1f0eb38dd68e3f5d2ac95c/dmesg-kvm-stoakley-7509-20130820215320-3.11.0-rc4-00421-g3de9bde-334 Bisecting: 0 revisions left to test after this (roughly 1 step) [adc97d6a735dbb1e94cb4f1bf0b55f258b349941] cpufreq: Drop the owner field from struct cpufreq_driver running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-a06-0818/next:master:adc97d6a735dbb1e94cb4f1bf0b55f258b349941:bisect-usb 2013-08-20-21:53:26 adc97d6a735dbb1e94cb4f1bf0b55f258b349941 compiling 164 real 1130 user 103 sys 752.50% cpu x86_64-randconfig-a06-0818 2013-08-20-21:56:18 detecting boot state 3.11.0-rc4-00420-gadc97d6.. TEST FAILURE [ 3.443178] fmc_write_eeprom fake-design-for-testing-f001: fmc_write_eeprom: no busid passed, refusing all cards [ 3.444693] fmc fake-design-for-testing-f001: Driver has no ID: matches all [ 3.445676] BUG: scheduling while atomic: swapper/1/0x00000002 [ 3.445676] 4 locks held by swapper/1: [ 3.445676] #0: (&__lockdep_no_validate__){......}, at: [] __driver_attach+0x43/0x90 [ 3.445676] #1: (&__lockdep_no_validate__){......}, at: [] __driver_attach+0x51/0x90 [ 3.445676] #2: (fc_lock){+.+.+.}, at: [] fc_probe+0x8c/0x140 [ 3.451417] #3: (misc_mtx){+.+.+.}, at: [] misc_register+0x24/0x120 [ 3.452712] CPU: 0 PID: 1 Comm: swapper Not tainted 3.11.0-rc4-00420-gadc97d6 #335 [ 3.453814] 7fffffffffffffff ffff88000dc619e0 ffffffff81881d07 ffff88000dc619f8 [ 3.455003] ffffffff8187ef36 7fffffffffffffff ffff88000dc61a58 ffffffff81898fc3 [ 3.456184] ffff88000dc58610 ffff88000dc58040 ffff88000dc61fd8 ffff88000dc61fd8 [ 3.457373] Call Trace: [ 3.457754] [] dump_stack+0x19/0x1b [ 3.458535] [] __schedule_bug+0x5b/0x6a [ 3.459362] [] __schedule+0x563/0x5d0 [ 3.460163] [] schedule+0x14/0x20 [ 3.460907] [] schedule_timeout+0x145/0x1a0 [ 3.461653] [] ? mark_held_locks+0xb0/0x130 [ 3.462537] [] ? _raw_spin_unlock_irq+0x27/0x40 [ 3.463471] [] ? trace_hardirqs_on_caller+0xfd/0x1c0 [ 3.464462] [] wait_for_completion+0xcc/0x100 [ 3.465343] [] ? try_to_wake_up+0x160/0x160 [ 3.466228] [] devtmpfs_create_node+0x10b/0x140 [ 3.467149] [] device_add+0x23e/0x720 [ 3.467955] [] ? __init_waitqueue_head+0x36/0x50 [ 3.468901] [] device_create_groups_vargs+0xd8/0x100 [ 3.469892] [] device_create+0x3c/0x40 [ 3.470711] [] misc_register+0xc6/0x120 [ 3.471543] [] fc_probe+0x95/0x140 [ 3.472314] [] fmc_probe+0x12/0x20 [ 3.473077] [] driver_probe_device+0x70/0x210 [ 3.473987] [] __driver_attach+0x8b/0x90 [ 3.474834] [] ? __device_attach+0x40/0x40 [ 3.475705] [] bus_for_each_dev+0x63/0xa0 [ 3.476563] [] driver_attach+0x19/0x20 [ 3.477385] [] bus_add_driver+0x1d8/0x270 [ 3.478241] [] ? fc_read+0xa0/0xa0 [ 3.479003] [] driver_register+0x6f/0x150 [ 3.479868] [] ? fc_read+0xa0/0xa0 [ 3.480640] [] fmc_driver_register+0x30/0x40 [ 3.481534] [] fc_init+0x10/0x20 [ 3.482273] [] do_one_initcall+0x8c/0x138 [ 3.483119] [] ? parse_args+0x1f8/0x330 [ 3.483950] [] kernel_init_freeable+0x113/0x18e [ 3.484880] [] ? do_early_param+0x88/0x88 [ 3.485744] [] ? rest_init+0x150/0x150 [ 3.486565] [] kernel_init+0x9/0x180 [ 3.487366] [] ret_from_fork+0x7a/0xb0 [ 3.488175] [] ? rest_init+0x150/0x150 [ 3.489037] fmc_chardev fake-design-for-testing-f001: Created misc device "fake-design-for-testing-f001" [ 3.490622] Audio Excel DSP 16 init driver Copyright (C) Riccardo Facchetti 1995-98 /kernel/x86_64-randconfig-a06-0818/adc97d6a735dbb1e94cb4f1bf0b55f258b349941/dmesg-kvm-nhm4-21894-20130820135233-3.11.0-rc4-00420-gadc97d6-335 /kernel/x86_64-randconfig-a06-0818/adc97d6a735dbb1e94cb4f1bf0b55f258b349941/dmesg-kvm-waimea-27189-20130820215640-3.11.0-rc4-00420-gadc97d6-335 Bisecting: 0 revisions left to test after this (roughly 0 steps) [6eed9404ab3c4baea54ce4c7e862e69df1d39f38] cpufreq: Use rwsem for protecting critical sections running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-a06-0818/next:master:6eed9404ab3c4baea54ce4c7e862e69df1d39f38:bisect-usb 2013-08-20-21:57:21 6eed9404ab3c4baea54ce4c7e862e69df1d39f38 compiling 172 real 1110 user 104 sys 703.11% cpu x86_64-randconfig-a06-0818 2013-08-20-22:00:22 detecting boot state 3.11.0-rc4-00419-g6eed940... TEST FAILURE [ 3.293099] fmc_write_eeprom fake-design-for-testing-f001: fmc_write_eeprom: no busid passed, refusing all cards [ 3.294275] fmc fake-design-for-testing-f001: Driver has no ID: matches all [ 3.295137] BUG: scheduling while atomic: swapper/1/0x00000002 [ 3.295818] 4 locks held by swapper/1: [ 3.296250] #0: (&__lockdep_no_validate__){......}, at: [] __driver_attach+0x43/0x90 [ 3.297423] #1: (&__lockdep_no_validate__){......}, at: [] __driver_attach+0x51/0x90 [ 3.298584] #2: (fc_lock){+.+.+.}, at: [] fc_probe+0x8c/0x140 [ 3.299551] #3: (misc_mtx){+.+.+.}, at: [] misc_register+0x24/0x120 [ 3.300565] CPU: 0 PID: 1 Comm: swapper Not tainted 3.11.0-rc4-00419-g6eed940 #336 [ 3.301436] 7fffffffffffffff ffff88000dc619e0 ffffffff81881d27 ffff88000dc619f8 [ 3.302354] ffffffff8187ef56 7fffffffffffffff ffff88000dc61a58 ffffffff81898fe3 [ 3.303268] ffff88000dc58610 ffff88000dc58040 ffff88000dc61fd8 ffff88000dc61fd8 [ 3.304201] Call Trace: [ 3.304497] [] dump_stack+0x19/0x1b [ 3.305091] [] __schedule_bug+0x5b/0x6a [ 3.305726] [] __schedule+0x563/0x5d0 [ 3.306338] [] schedule+0x14/0x20 [ 3.306916] [] schedule_timeout+0x145/0x1a0 [ 3.307586] [] ? mark_held_locks+0xb0/0x130 [ 3.308259] [] ? _raw_spin_unlock_irq+0x27/0x40 [ 3.308977] [] ? trace_hardirqs_on_caller+0xfd/0x1c0 [ 3.309750] [] wait_for_completion+0xcc/0x100 [ 3.310440] [] ? try_to_wake_up+0x160/0x160 [ 3.311110] [] devtmpfs_create_node+0x10b/0x140 [ 3.311821] [] device_add+0x23e/0x720 [ 3.312436] [] ? __init_waitqueue_head+0x36/0x50 [ 3.313160] [] device_create_groups_vargs+0xd8/0x100 [ 3.313937] [] device_create+0x3c/0x40 [ 3.314559] [] misc_register+0xc6/0x120 [ 3.315191] [] fc_probe+0x95/0x140 [ 3.315781] [] fmc_probe+0x12/0x20 [ 3.316367] [] driver_probe_device+0x70/0x210 [ 3.317058] [] __driver_attach+0x8b/0x90 [ 3.317701] [] ? __device_attach+0x40/0x40 [ 3.318362] [] bus_for_each_dev+0x63/0xa0 [ 3.319015] [] driver_attach+0x19/0x20 [ 3.319635] [] bus_add_driver+0x1d8/0x270 [ 3.320296] [] ? fc_read+0xa0/0xa0 [ 3.320889] [] driver_register+0x6f/0x150 [ 3.321554] [] ? fc_read+0xa0/0xa0 [ 3.322148] [] fmc_driver_register+0x30/0x40 [ 3.322843] [] fc_init+0x10/0x20 [ 3.323426] [] do_one_initcall+0x8c/0x138 [ 3.324086] [] ? parse_args+0x1f8/0x330 [ 3.324727] [] kernel_init_freeable+0x113/0x18e [ 3.325436] [] ? do_early_param+0x88/0x88 [ 3.326089] [] ? rest_init+0x150/0x150 [ 3.326717] [] kernel_init+0x9/0x180 [ 3.327315] [] ret_from_fork+0x7a/0xb0 [ 3.327940] [] ? rest_init+0x150/0x150 [ 3.328629] fmc_chardev fake-design-for-testing-f001: Created misc device "fake-design-for-testing-f001" [ 3.329874] Audio Excel DSP 16 init driver Copyright (C) Riccardo Facchetti 1995-98 /kernel/x86_64-randconfig-a06-0818/6eed9404ab3c4baea54ce4c7e862e69df1d39f38/dmesg-kvm-inn-9479-20130820220112-3.11.0-rc4-00419-g6eed940-336 6eed9404ab3c4baea54ce4c7e862e69df1d39f38 is the first bad commit commit 6eed9404ab3c4baea54ce4c7e862e69df1d39f38 Author: Viresh Kumar Date: Tue Aug 6 22:53:11 2013 +0530 cpufreq: Use rwsem for protecting critical sections Critical sections of the cpufreq core are protected with the help of the driver module owner's refcount, which isn't the correct approach, because it causes rmmod to return an error when some routine has updated that refcount. Let's use rwsem for this purpose instead. Only cpufreq_unregister_driver() will use write sem and everybody else will use read sem. [rjw: Subject & changelog] Signed-off-by: Viresh Kumar Signed-off-by: Rafael J. Wysocki :040000 040000 4a5001e33f27bb54ae4dda22bcefaaf37720be2a 4f4d01acac5307a959e0059fec627b0818031a6a M drivers bisect run success ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-a06-0818/next:master:fe492f3f0332e23cc6ca4913e5a2ed78e1888902:bisect-usb 2013-08-20-22:01:57 fe492f3f0332e23cc6ca4913e5a2ed78e1888902 reuse /kernel/x86_64-randconfig-a06-0818/fe492f3f0332e23cc6ca4913e5a2ed78e1888902/vmlinuz-3.11.0-rc4-00418-gfe492f3 2013-08-20-22:01:57 detecting boot state ..... 2... 3. 4..... 5.... 7 10 11. 12 15 22 57 87 110 155 176 179.......... 180 SUCCESS ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-a06-0818/next:master:1e712b0818569846d6b926ecb6bf32b3dea73609:bisect-usb TEST FAILURE [ 21.664908] 3.11.0-rc5-next-20130816-05970-g1e712b0 #17 Not tainted [ 21.664908] ------------------------------------- [ 21.664908] swapper/1 is trying to release lock (cpufreq_rwsem) at: [ 21.664908] [] cpufreq_add_dev+0x232/0x360 [ 21.664908] but there are no more locks to release! [ 21.664908] [ 21.664908] other info that might help us debug this: [ 21.664908] 1 lock held by swapper/1: [ 21.664908] #0: (subsys mutex){+.+.+.}, at: [] subsys_interface_register+0x54/0xf0 [ 21.664908] [ 21.664908] stack backtrace: [ 21.664908] CPU: 0 PID: 1 Comm: swapper Not tainted 3.11.0-rc5-next-20130816-05970-g1e712b0 #17 [ 21.664908] ffffffff8164fa12 ffff88000dc63ce8 ffffffff81886d70 ffff88000dc63d10 [ 21.664908] ffffffff810c755c ffffffff81d66b50 ffff88000dc59040 ffffffff8164fa12 [ 21.664908] ffff88000dc63d88 ffffffff810cbf56 ffffffff810c8430 000000070dc63d68 [ 21.664908] Call Trace: [ 21.664908] [] ? cpufreq_add_dev+0x232/0x360 [ 21.664908] [] dump_stack+0x19/0x1b [ 21.664908] [] print_unlock_imbalance_bug+0xec/0x100 [ 21.664908] [] ? cpufreq_add_dev+0x232/0x360 [ 21.664908] [] lock_release_non_nested+0x226/0x300 [ 21.664908] [] ? mark_held_locks+0xb0/0x130 [ 21.664908] [] ? kfree+0xe9/0x140 [ 21.664908] [] ? cpufreq_add_dev+0x232/0x360 [ 21.664908] [] lock_release+0x88/0x1b0 [ 21.664908] [] up_read+0x1a/0x40 [ 21.664908] [] cpufreq_add_dev+0x232/0x360 [ 21.664908] [] subsys_interface_register+0xa9/0xf0 [ 21.664908] [] cpufreq_register_driver+0x84/0x130 [ 21.664908] [] ? cpufreq_gov_dbs_init+0x12/0x12 [ 21.664908] [] acpi_cpufreq_init+0x51/0x134 [ 21.664908] [] do_one_initcall+0x8c/0x138 [ 21.664908] [] ? parse_args+0x1f8/0x330 [ 21.664908] [] kernel_init_freeable+0x113/0x18e [ 21.664908] [] ? do_early_param+0x88/0x88 [ 21.664908] [] ? rest_init+0x150/0x150 [ 21.664908] [] kernel_init+0x9/0x180 [ 21.664908] [] ret_from_fork+0x7a/0xb0 [ 21.664908] [] ? rest_init+0x150/0x150 [ 21.689085] BIOS EDD facility v0.16 2004-Jun-25, 6 devices found [ 21.758668] Freeing unused kernel memory: 772K (ffffffff81dab000 - ffffffff81e6c000) /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-ant-19071-20130818122323-- /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-ant-22544-20130818122322-3.11.0-rc5-next-20130816-05970-g1e712b0-17 /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-bens-3971-20130820175627-3.11.0-rc5-next-20130816-05970-g1e712b0-17 /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-inn-10367-20130818122416-- /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-inn-11564-20130820182150-3.11.0-rc1-00101-g4f4b7b9-25 /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-inn-6325-20130818122415-3.11.0-rc5-next-20130816-05970-g1e712b0-17 /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-inn-6388-20130820182231-3.11.0-rc5-next-20130816-05970-g1e712b0-17 /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-inn-6707-20130820182134-3.11.0-rc5-next-20130816-05970-g1e712b0-17 /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-inn-9542-20130820182234-3.11.0-rc6-00693-g05f0325-14 /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-nhm4-15984-20130820095447-3.11.0-rc5-next-20130816-05970-g1e712b0-17 /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-nhm4-4190-20130820100535-3.11.0-rc5-next-20130816-05970-g1e712b0-17 /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-nhm4-6732-20130820100144-3.11.0-rc1-00091-g5d5f4bc-43 /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-nhm4-8319-20130820095218-3.11.0-rc6-00599-gdb03a7a-19 /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-roam-6876-20130818122429-3.11.0-rc5-next-20130816-05970-g1e712b0-17 /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-stoakley-14155-20130820181436-3.11.0-rc5-next-20130816-05970-g1e712b0-17 /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-stoakley-3331-20130818122408-- /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-stoakley-8706-20130818122406-3.11.0-rc5-next-20130816-05970-g1e712b0-17 /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-waimea-14017-20130820181441-3.11.0-rc5-next-20130816-05970-g1e712b0-17 /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-waimea-18203-20130820180943-3.11.0-rc1-00101-g4f4b7b9-44 /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-waimea-7892-20130820180102-3.11.0-rc5-next-20130816-05970-g1e712b0-17 /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-waimea-8981-20130820181957-3.11.0-rc5-next-20130816-05970-g1e712b0-17 /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-waimea-9287-20130820180904-3.11.0-rc5-next-20130816-05970-g1e712b0-17 /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-xian-12217-20130818122429-3.11.0-rc5-next-20130816-05970-g1e712b0-17 /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-xian-8553-20130818122432-- /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-xps-10637-20130820181543-3.11.0-rc5-next-20130816-05970-g1e712b0-17 /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-xps-14216-20130820180015-3.11.0-rc5-next-20130816-05970-g1e712b0-17 /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-xps-14755-20130820175558-3.11.0-rc5-next-20130816-05970-g1e712b0-17 /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-xps-16750-20130820175729-3.11.0-rc5-next-20130816-05970-g1e712b0-17 /kernel/x86_64-randconfig-a06-0818/1e712b0818569846d6b926ecb6bf32b3dea73609/dmesg-kvm-xps-16750-20130820180054-3.11.0-rc5-next-20130816-05970-g1e712b0-17 [detached HEAD ecc07b5] Revert "cpufreq: Use rwsem for protecting critical sections" 1 file changed, 78 insertions(+), 57 deletions(-) ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-a06-0818/next:master:ecc07b5c65be50e1829abf4b58e2105ac3faaf9f:bisect-usb 2013-08-20-22:25:04 ecc07b5c65be50e1829abf4b58e2105ac3faaf9f compiling 2013-08-20-22:27:54 ecc07b5c65be50e1829abf4b58e2105ac3faaf9f SKIP BROKEN BUILD Check erros in /cc/wfg/usb-bisect and /tmp/kernel/x86_64-randconfig-a06-0818/ecc07b5c65be50e1829abf4b58e2105ac3faaf9f ========= upstream ========= Fetching linus ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-a06-0818/next:master:fd3930f70c8d14008f3377d51ce039806dfc542e:bisect-usb 2013-08-20-22:28:05 fd3930f70c8d14008f3377d51ce039806dfc542e compiling 2013-08-20-22:31:19 detecting boot state 3.11.0-rc6-00815-gfd3930f... 1.... 2. 3......................... 4.. 5... 6. 7. 9. 10 13 16 19... 26 29 31 42 53 63 74 82 89 96 99 101 106 111 117 121 132 147 156 170 174. 176. 177.. 179. 180 SUCCESS ========= linux-next ========= Fetching next ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-a06-0818/next:master:d7949dff8fd98d8dd7ee46a8b1a089fe80099869:bisect-usb 2013-08-20-23:14:33 d7949dff8fd98d8dd7ee46a8b1a089fe80099869 compiling 2013-08-20-23:18:08 detecting boot state 3.11.0-rc6-next-20130820-07258-gd7949df... TEST FAILURE [ 3.907350] 3.11.0-rc6-next-20130820-07258-gd7949df #338 Not tainted [ 3.907350] ------------------------------------- [ 3.907350] swapper/1 is trying to release lock (cpufreq_rwsem) at: [ 3.907350] [] cpufreq_add_dev+0x232/0x360 [ 3.907350] but there are no more locks to release! [ 3.907350] [ 3.907350] other info that might help us debug this: [ 3.907350] 1 lock held by swapper/1: [ 3.907350] #0: (subsys mutex){+.+.+.}, at: [] subsys_interface_register+0x54/0xf0 [ 3.907350] [ 3.907350] stack backtrace: [ 3.907350] CPU: 0 PID: 1 Comm: swapper Not tainted 3.11.0-rc6-next-20130820-07258-gd7949df #338 [ 3.907350] ffffffff81651da2 ffff88000dc63ce8 ffffffff8188991f ffff88000dc63d10 [ 3.907350] ffffffff810c7c4c ffffffff81d670f0 ffff88000dc59040 ffffffff81651da2 [ 3.907350] ffff88000dc63d88 ffffffff810cc646 ffffffff810c8b20 000000070dc63d68 [ 3.907350] Call Trace: [ 3.907350] [] ? cpufreq_add_dev+0x232/0x360 [ 3.907350] [] dump_stack+0x19/0x1b [ 3.907350] [] print_unlock_imbalance_bug+0xec/0x100 [ 3.907350] [] ? cpufreq_add_dev+0x232/0x360 [ 3.907350] [] lock_release_non_nested+0x226/0x300 [ 3.907350] [] ? mark_held_locks+0xb0/0x130 [ 3.907350] [] ? kfree+0xe9/0x140 [ 3.907350] [] ? cpufreq_add_dev+0x232/0x360 [ 3.907350] [] lock_release+0x88/0x1b0 [ 3.907350] [] up_read+0x1a/0x40 [ 3.907350] [] cpufreq_add_dev+0x232/0x360 [ 3.907350] [] subsys_interface_register+0xa9/0xf0 [ 3.907350] [] cpufreq_register_driver+0x84/0x130 [ 3.907350] [] ? cpufreq_gov_dbs_init+0x12/0x12 [ 3.907350] [] acpi_cpufreq_init+0x51/0x134 [ 3.907350] [] do_one_initcall+0x8c/0x138 [ 3.907350] [] ? parse_args+0x1f8/0x330 [ 3.907350] [] kernel_init_freeable+0x113/0x18e [ 3.907350] [] ? do_early_param+0x88/0x88 [ 3.907350] [] ? rest_init+0x150/0x150 [ 3.907350] [] kernel_init+0x9/0x180 [ 3.907350] [] ret_from_fork+0x7a/0xb0 [ 3.907350] [] ? rest_init+0x150/0x150 [ 3.944888] BIOS EDD facility v0.16 2004-Jun-25, 6 devices found [ 3.947449] Freeing unused kernel memory: 772K (ffffffff81dac000 - ffffffff81e6d000) /kernel/x86_64-randconfig-a06-0818/d7949dff8fd98d8dd7ee46a8b1a089fe80099869/dmesg-kvm-stoakley-14144-20130820231858-3.11.0-rc6-next-20130820-07258-gd7949df-338