git checkout dcb30e659287a6b40dafed1362532da42ec27229 Previous HEAD position was f421436... net/hsr: Add support for the High-availability Seamless Redundancy protocol (HSRv0) HEAD is now at dcb30e6... Merge tag 'arm64-stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64 ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i000-1104/net-next:master:dcb30e659287a6b40dafed1362532da42ec27229:bisect-usb 2013-11-04-19:40:59 dcb30e659287a6b40dafed1362532da42ec27229 compiling 417 real 1257 user 130 sys 332.36% cpu i386-randconfig-i000-1104 2013-11-04-19:48:34 detecting boot state 3.12.0-rc1-00255-gdcb30e6... 9 13. 15 20 SUCCESS bisect: good commit dcb30e659287a6b40dafed1362532da42ec27229 git bisect start f421436a591d34fa5279b54a96ac07d70250cc8d dcb30e659287a6b40dafed1362532da42ec27229 -- Previous HEAD position was dcb30e6... Merge tag 'arm64-stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64 HEAD is now at 6e46645... Linux 3.11 Bisecting: 1181 revisions left to test after this (roughly 10 steps) [53af53ae83fe960ceb9ef74cac7915e9088f4266] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 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/i386-randconfig-i000-1104/net-next:master:53af53ae83fe960ceb9ef74cac7915e9088f4266:bisect-usb 2013-11-04-19:52:50 53af53ae83fe960ceb9ef74cac7915e9088f4266 compiling 237 real 1358 user 120 sys 623.71% cpu i386-randconfig-i000-1104 2013-11-04-19:57:14 detecting boot state 3.12.0-rc3-00802-g53af53a... 2 12 19...... 20 SUCCESS Bisecting: 538 revisions left to test after this (roughly 9 steps) [db10accfd266a93149cd21cd75026aa03c635e7e] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i000-1104/net-next:master:db10accfd266a93149cd21cd75026aa03c635e7e:bisect-usb 2013-11-04-20:03:45 db10accfd266a93149cd21cd75026aa03c635e7e compiling 236 real 1382 user 125 sys 638.88% cpu i386-randconfig-i000-1104 2013-11-04-20:08:03 detecting boot state 3.12.0-rc6-00237-gdb10acc.. 3 8 14 20 SUCCESS Bisecting: 269 revisions left to test after this (roughly 8 steps) [5f258a1552d1a8fd263346635022fdf16aa06d6a] net: dl2k: remove unnecessary pci_set_drvdata() running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i000-1104/net-next:master:5f258a1552d1a8fd263346635022fdf16aa06d6a:bisect-usb 2013-11-04-20:11:04 5f258a1552d1a8fd263346635022fdf16aa06d6a compiling 232 real 1399 user 123 sys 654.78% cpu i386-randconfig-i000-1104 2013-11-04-20:15:22 detecting boot state 3.12.0-rc3-01071-g5f258a1.. 1 8 11 17 20 SUCCESS Bisecting: 133 revisions left to test after this (roughly 7 steps) [b45bd46decd947eaa3497699d450e0851d247534] Merge tag 'batman-adv-for-davem' of git://git.open-mesh.org/linux-merge running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i000-1104/net-next:master:b45bd46decd947eaa3497699d450e0851d247534:bisect-usb 2013-11-04-20:18:53 b45bd46decd947eaa3497699d450e0851d247534 compiling 239 real 1396 user 125 sys 634.61% cpu i386-randconfig-i000-1104 2013-11-04-20:23:20 detecting boot state 3.12.0-rc6-01188-gb45bd46.. 6 20 SUCCESS Bisecting: 66 revisions left to test after this (roughly 6 steps) [6c7a9a3c7838eab1f17ef00c87925151be06cf1c] mvneta: drop redundant mac address check running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i000-1104/net-next:master:6c7a9a3c7838eab1f17ef00c87925151be06cf1c:bisect-usb 2013-11-04-20:25:21 6c7a9a3c7838eab1f17ef00c87925151be06cf1c compiling 51 real 267 user 34 sys 588.45% cpu i386-randconfig-i000-1104 2013-11-04-20:26:37 detecting boot state 3.12.0-rc6-01255-g6c7a9a3c... 2 3 5. 7. 8. 12 16 20 SUCCESS Bisecting: 33 revisions left to test after this (roughly 5 steps) [bed6f762123fc53c63efef386531dd877cba2468] net: cdc_ncm: remove redundant netdev field running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i000-1104/net-next:master:bed6f762123fc53c63efef386531dd877cba2468:bisect-usb 2013-11-04-20:33:38 bed6f762123fc53c63efef386531dd877cba2468 compiling 45 real 161 user 29 sys 423.84% cpu i386-randconfig-i000-1104 2013-11-04-20:34:47 detecting boot state 3.12.0-rc6-01288-gbed6f76....... 1 2 3 5 12 16 20 SUCCESS Bisecting: 16 revisions left to test after this (roughly 4 steps) [59ede3168a0b3fe02f82a7bed52432f18dbb1070] net: cdc_ncm: return proper error if setup fails running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i000-1104/net-next:master:59ede3168a0b3fe02f82a7bed52432f18dbb1070:bisect-usb 2013-11-04-20:41:48 59ede3168a0b3fe02f82a7bed52432f18dbb1070 compiling 58 real 150 user 29 sys 305.66% cpu i386-randconfig-i000-1104 2013-11-04-20:43:12 detecting boot state 3.12.0-rc6-01305-g59ede31... 6 9 12. 15 16. 19... 20 SUCCESS Bisecting: 7 revisions left to test after this (roughly 3 steps) [296c10639a33941d0090afa17b7535fcbf81d97a] Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i000-1104/net-next:master:296c10639a33941d0090afa17b7535fcbf81d97a:bisect-usb 2013-11-04-20:50:43 296c10639a33941d0090afa17b7535fcbf81d97a compiling 52 real 148 user 27 sys 338.39% cpu i386-randconfig-i000-1104 2013-11-04-20:52:00 detecting boot state 3.12.0-rc6-01314-g296c106... 3 5.. 6 7 11 16 20 SUCCESS Bisecting: 3 revisions left to test after this (roughly 2 steps) [2817a336d4d533fb8b68719723cd60ea7dd7c09e] net: skb_checksum: allow custom update/combine for walking skb running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i000-1104/net-next:master:2817a336d4d533fb8b68719723cd60ea7dd7c09e:bisect-usb 2013-11-04-20:58:01 2817a336d4d533fb8b68719723cd60ea7dd7c09e compiling 69 real 299 user 35 sys 478.62% cpu i386-randconfig-i000-1104 2013-11-04-20:59:33 detecting boot state 3.12.0-rc6-01318-g2817a33.... TEST FAILURE [ 2.642902] crc32c: CRC_LE_BITS = 1 [ 2.643564] crc32c: self tests passed, processed 225944 bytes in 6753839 nsec [ 18.135553] crc32_combine: 113072 self tests passed [ 23.600031] INFO: rcu_sched self-detected stall on CPU { 0} (t=2101 jiffies g=4294967095 c=4294967094 q=48) [ 23.600031] sending NMI to all CPUs: [ 23.600031] NMI backtrace for cpu 0 [ 23.600031] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.12.0-rc6-01318-g2817a33 #713 [ 23.600031] task: 80138000 ti: 80140000 task.ti: 80140000 [ 23.600031] EIP: 0060:[<81057e64>] EFLAGS: 00010046 CPU: 0 [ 23.600031] EIP is at default_send_IPI_mask_logical+0x164/0x1f0 [ 23.600031] EAX: fffff000 EBX: 03000000 ECX: fffff000 EDX: 00000c00 [ 23.600031] ESI: 00000046 EDI: 00000002 EBP: 80141ce0 ESP: 80141cd0 [ 23.600031] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 23.600031] CR0: 8005003b CR2: 00000000 CR3: 01be2000 CR4: 000006d0 [ 23.600031] Stack: [ 23.600031] 00000800 00002710 8dbba1a0 8195bb80 80141cec 8105802c 00002710 80141cfc [ 23.600031] 81058711 818905cc 00000030 80141d40 8115ce3c 818a4c84 00000835 ffffff37 [ 23.600031] ffffff36 00000030 80141d40 810cfead 00000001 80140000 8dbba1a0 00000000 [ 23.600031] Call Trace: [ 23.600031] [<8105802c>] default_send_IPI_all+0x2c/0xd0 [ 23.600031] [<81058711>] arch_trigger_all_cpu_backtrace+0x91/0x130 [ 23.600031] [<8115ce3c>] rcu_check_callbacks+0x35c/0xa40 [ 23.600031] [<810cfead>] ? account_process_tick+0x1ed/0x2e0 [ 23.600031] [<8108ef5f>] update_process_times+0x6f/0xe0 [ 23.600031] [<81115d21>] tick_sched_handle.isra.12+0x71/0xa0 [ 23.600031] [<81115dba>] tick_sched_timer+0x6a/0xc0 [ 23.600031] [<810b5847>] __run_hrtimer.isra.17+0xc7/0x1b0 [ 23.600031] [<81115d50>] ? tick_sched_handle.isra.12+0xa0/0xa0 [ 23.600031] [<810b6883>] hrtimer_interrupt+0x1b3/0x3d0 [ 23.600031] [<8115bd79>] ? rcu_irq_enter+0x139/0x190 [ 23.600031] [<81054941>] local_apic_timer_interrupt+0x81/0xa0 [ 23.600031] [<81085b8e>] ? irq_enter+0x1e/0xf0 [ 23.600031] [<81054da8>] smp_apic_timer_interrupt+0x58/0x90 [ 23.600031] [<816abc82>] apic_timer_interrupt+0x36/0x3c [ 23.600031] [<81a52e29>] ? crc32test_init+0x10f0/0x1317 [ 23.600031] [<81a51d39>] ? debug_objects_mem_init+0x3eb/0x3eb [ 23.600031] [<81000440>] do_one_initcall+0x100/0x250 [ 23.600031] [<810ac991>] ? parameq+0x21/0xf0 [ 23.600031] [<81a12700>] ? do_early_param+0x110/0x12b [ 23.600031] [<810ace52>] ? parse_args+0x3f2/0x5d0 [ 23.600031] [<81a1394d>] kernel_init_freeable+0x2e4/0x47a [ 23.600031] [<81a1271b>] ? do_early_param+0x12b/0x12b [ 23.600031] [<8168bec9>] kernel_init+0x19/0x290 [ 23.600031] [<816ac0d7>] ret_from_kernel_thread+0x1b/0x28 [ 23.600031] [<8168beb0>] ? rest_init+0x190/0x190 [ 23.600031] [<81a5792b>] ? acpi_boot_ec_enable+0x55/0x7b [ 23.600031] Code: f8 f4 c0 81 01 83 15 fc f4 c0 81 00 eb 12 90 80 ce 04 83 05 00 f5 c0 81 01 83 15 04 f5 c0 81 00 a1 10 c7 93 81 89 90 00 c3 ff ff c6 00 02 00 00 75 3c 83 05 08 f5 c0 81 01 89 f0 83 15 0c f5 [ 23.610047] NMI backtrace for cpu 1 [ 23.610047] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 3.12.0-rc6-01318-g2817a33 #713 [ 23.610047] task: 8015d2c0 ti: 80176000 task.ti: 80176000 [ 23.610047] EIP: 0060:[<81064b53>] EFLAGS: 00200246 CPU: 1 [ 23.610047] EIP is at native_safe_halt+0x13/0x30 [ 23.610047] EAX: 8015d2c0 EBX: 80176000 ECX: 00000000 EDX: 00000001 [ 23.610047] ESI: ffffffff EDI: ffff8ba1 EBP: 80177f60 ESP: 80177f60 [ 23.610047] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 23.610047] CR0: 8005003b CR2: ffffffff CR3: 01be2000 CR4: 000006d0 [ 23.610047] Stack: [ 23.610047] 80177f68 81014509 80177f70 810156ae 80177f88 810f6d0a cbaeb467 da123980 [ 23.610047] 145c7b5d 8fffc3c0 80177fb4 8105224b 58732dd6 3d49a022 8c18b4c8 327010ad [ 23.610047] 848b8401 145c7b5d 01000800 00000000 00000000 00000000 00000000 00000000 [ 23.610047] Call Trace: [ 23.610047] [<81014509>] default_idle+0x29/0x40 [ 23.610047] [<810156ae>] arch_cpu_idle+0x2e/0x80 [ 23.610047] [<810f6d0a>] cpu_startup_entry+0x2aa/0x3e0 [ 23.610047] [<8105224b>] start_secondary+0x5eb/0x630 [ 23.610047] Code: 01 83 15 a4 a0 c1 81 00 5d c3 8d b4 26 00 00 00 00 8d bc 27 00 00 00 00 55 83 05 a8 a0 c1 81 01 89 e5 83 15 ac a0 c1 81 00 fb f4 <83> 05 b0 a0 c1 81 01 83 15 b4 a0 c1 81 00 5d c3 8d b6 00 00 00 /kernel/i386-randconfig-i000-1104/2817a336d4d533fb8b68719723cd60ea7dd7c09e/dmesg-quantal-snb-32:20131104210124:i386-randconfig-i000-1104:3.12.0-rc6-01318-g2817a33:713 /kernel/i386-randconfig-i000-1104/2817a336d4d533fb8b68719723cd60ea7dd7c09e/dmesg-yocto-bens-4:20131104210121:i386-randconfig-i000-1104:3.12.0-rc6-01318-g2817a33:713 /kernel/i386-randconfig-i000-1104/2817a336d4d533fb8b68719723cd60ea7dd7c09e/dmesg-yocto-lkp-st01-7:20131105050004:i386-randconfig-i000-1104:3.12.0-rc6-01318-g2817a33:713 /kernel/i386-randconfig-i000-1104/2817a336d4d533fb8b68719723cd60ea7dd7c09e/dmesg-yocto-snb-13:20131104210128:i386-randconfig-i000-1104:3.12.0-rc6-01318-g2817a33:713 /kernel/i386-randconfig-i000-1104/2817a336d4d533fb8b68719723cd60ea7dd7c09e/dmesg-yocto-snb-26:20131104210129:i386-randconfig-i000-1104:3.12.0-rc6-01318-g2817a33:713 0:5:5 all_good:bad:all_bad boots REPEAT COUNT: 20 # /cc/wfg/usb-bisect/.repeat Bisecting: 1 revision left to test after this (roughly 1 step) [6e95fcaa42e5078ac265964deebed597f9eae07a] lib: crc32: add functionality to combine two crc32{, c}s in GF(2) running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i000-1104/net-next:master:6e95fcaa42e5078ac265964deebed597f9eae07a:bisect-usb 2013-11-04-21:01:36 6e95fcaa42e5078ac265964deebed597f9eae07a compiling 61 real 274 user 35 sys 507.26% cpu i386-randconfig-i000-1104 2013-11-04-21:02:57 detecting boot state 3.12.0-rc6-01316-g6e95fca... 1 2. 4 6. 8 9 10 12 13.. 14 15 17 20 SUCCESS Bisecting: 0 revisions left to test after this (roughly 0 steps) [efba721f636ee016859d86d15748650119402b10] lib: crc32: add test cases for crc32{, c}_combine routines running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i000-1104/net-next:master:efba721f636ee016859d86d15748650119402b10:bisect-usb 2013-11-04-21:13:00 efba721f636ee016859d86d15748650119402b10 compiling 53 real 157 user 27 sys 344.95% cpu i386-randconfig-i000-1104 2013-11-04-21:14:11 detecting boot state 3.12.0-rc6-01317-gefba721f.... TEST FAILURE [ 1.994223] crc32c: CRC_LE_BITS = 1 [ 1.994793] crc32c: self tests passed, processed 225944 bytes in 5816340 nsec [ 14.220857] crc32_combine: 113072 self tests passed [ 22.980056] INFO: rcu_sched self-detected stall on CPU { 1} (t=2100 jiffies g=4294967063 c=4294967062 q=42) [ 22.980056] sending NMI to all CPUs: [ 22.980056] NMI backtrace for cpu 1 [ 22.980056] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 3.12.0-rc6-01317-gefba721f #715 [ 22.980056] task: 80138000 ti: 80140000 task.ti: 80140000 [ 22.980056] EIP: 0060:[<81057e64>] EFLAGS: 00000046 CPU: 1 [ 22.980056] EIP is at default_send_IPI_mask_logical+0x164/0x1f0 [ 22.980056] EAX: fffff000 EBX: 03000000 ECX: fffff000 EDX: 00000c00 [ 22.980056] ESI: 00000046 EDI: 00000002 EBP: 80141b9c ESP: 80141b8c [ 22.980056] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 22.980056] CR0: 8005003b CR2: 00000000 CR3: 01be2000 CR4: 000006d0 [ 22.980056] Stack: [ 22.980056] 00000800 00002710 8dd061a0 8195bb80 80141ba8 8105802c 00002710 80141bb8 [ 22.980056] 81058711 81890550 0000002a 80141bfc 8115ce3c 818a4c08 00000834 ffffff17 [ 22.980056] ffffff16 0000002a 80141bfc 810cfead 00000001 80140000 8dd061a0 00000001 [ 22.980056] Call Trace: [ 22.980056] [<8105802c>] default_send_IPI_all+0x2c/0xd0 [ 22.980056] [<81058711>] arch_trigger_all_cpu_backtrace+0x91/0x130 [ 22.980056] [<8115ce3c>] rcu_check_callbacks+0x35c/0xa40 [ 22.980056] [<810cfead>] ? account_process_tick+0x1ed/0x2e0 [ 22.980056] [<8108ef5f>] update_process_times+0x6f/0xe0 [ 22.980056] [<81115d21>] tick_sched_handle.isra.12+0x71/0xa0 [ 22.980056] [<81115dba>] tick_sched_timer+0x6a/0xc0 [ 22.980056] [<810b5847>] __run_hrtimer.isra.17+0xc7/0x1b0 [ 22.980056] [<81115d50>] ? tick_sched_handle.isra.12+0xa0/0xa0 [ 22.980056] [<810b6883>] hrtimer_interrupt+0x1b3/0x3d0 [ 22.980056] [<8106454e>] ? kvm_clock_read+0x3e/0x80 [ 22.980056] [<81012746>] ? sched_clock+0x16/0x30 [ 22.980056] [<8115bd79>] ? rcu_irq_enter+0x139/0x190 [ 22.980056] [<81054941>] local_apic_timer_interrupt+0x81/0xa0 [ 22.980056] [<81085b8e>] ? irq_enter+0x1e/0xf0 [ 22.980056] [<81054da8>] smp_apic_timer_interrupt+0x58/0x90 [ 22.980056] [<816abbc2>] apic_timer_interrupt+0x36/0x3c [ 22.980056] [<813f2fd8>] ? gf2_matrix_square+0x58/0xa0 [ 22.980056] [<813f30f9>] crc32_generic_combine+0xd9/0x2c0 [ 22.980056] [<81a52f61>] crc32test_init+0x1228/0x1317 [ 22.980056] [<81a51d39>] ? debug_objects_mem_init+0x3eb/0x3eb [ 22.980056] [<81000440>] do_one_initcall+0x100/0x250 [ 22.980056] [<810ac991>] ? parameq+0x21/0xf0 [ 22.980056] [<81a12700>] ? do_early_param+0x110/0x12b [ 22.980056] [<810ace52>] ? parse_args+0x3f2/0x5d0 [ 22.980056] [<81a1394d>] kernel_init_freeable+0x2e4/0x47a [ 22.980056] [<81a1271b>] ? do_early_param+0x12b/0x12b [ 22.980056] [<8168be09>] kernel_init+0x19/0x290 [ 22.980056] [<816ac017>] ret_from_kernel_thread+0x1b/0x28 [ 22.980056] [<8168bdf0>] ? rest_init+0x190/0x190 [ 22.980056] Code: f8 f4 c0 81 01 83 15 fc f4 c0 81 00 eb 12 90 80 ce 04 83 05 00 f5 c0 81 01 83 15 04 f5 c0 81 00 a1 10 c7 93 81 89 90 00 c3 ff ff c6 00 02 00 00 75 3c 83 05 08 f5 c0 81 01 89 f0 83 15 0c f5 [ 22.990047] NMI backtrace for cpu 0 [ 22.990047] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.12.0-rc6-01317-gefba721f #715 [ 22.990047] task: 8191f300 ti: 8191c000 task.ti: 8191c000 [ 22.990047] EIP: 0060:[<81064b53>] EFLAGS: 00200246 CPU: 0 [ 22.990047] EIP is at native_safe_halt+0x13/0x30 [ 22.990047] EAX: 8191f300 EBX: 8191c000 ECX: 00000000 EDX: 00000001 [ 22.990047] ESI: ffffffff EDI: 81be3800 EBP: 8191df84 ESP: 8191df84 [ 22.990047] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 22.990047] CR0: 8005003b CR2: ffffffff CR3: 01be2000 CR4: 000006d0 [ 22.990047] Stack: [ 22.990047] 8191df8c 81014509 8191df94 810156ae 8191dfac 810f6d0a 9f0fa0d2 79d25bea [ 22.990047] 00000002 00020800 8191dfc8 8168bdd1 00000002 00000001 00000000 8168bc60 [ 22.990047] 00000000 8191dfec 81a13640 000000bd ffffffff ffffffff 81a127ee 81a770e0 [ 22.990047] Call Trace: [ 22.990047] [<81014509>] default_idle+0x29/0x40 [ 22.990047] [<810156ae>] arch_cpu_idle+0x2e/0x80 [ 22.990047] [<810f6d0a>] cpu_startup_entry+0x2aa/0x3e0 [ 22.990047] [<8168bdd1>] rest_init+0x171/0x190 [ 22.990047] [<8168bc60>] ? __read_lock_failed+0x18/0x18 [ 22.990047] [<81a13640>] start_kernel+0xa3d/0xa66 [ 22.990047] [<81a127ee>] ? repair_env_string+0xd3/0xd3 [ 22.990047] [<81a123e8>] i386_start_kernel+0x19e/0x1af [ 22.990047] Code: 01 83 15 a4 a0 c1 81 00 5d c3 8d b4 26 00 00 00 00 8d bc 27 00 00 00 00 55 83 05 a8 a0 c1 81 01 89 e5 83 15 ac a0 c1 81 00 fb f4 <83> 05 b0 a0 c1 81 01 83 15 b4 a0 c1 81 00 5d c3 8d b6 00 00 00 /kernel/i386-randconfig-i000-1104/efba721f636ee016859d86d15748650119402b10/dmesg-quantal-lkp-st01-6:20131105051435:i386-randconfig-i000-1104:3.12.0-rc6-01317-gefba721f:715 /kernel/i386-randconfig-i000-1104/efba721f636ee016859d86d15748650119402b10/dmesg-quantal-snb-21:20131104211548:i386-randconfig-i000-1104:3.12.0-rc6-01317-gefba721f:715 /kernel/i386-randconfig-i000-1104/efba721f636ee016859d86d15748650119402b10/dmesg-yocto-snb-3:20131104211556:i386-randconfig-i000-1104:3.12.0-rc6-01317-gefba721f:715 /kernel/i386-randconfig-i000-1104/efba721f636ee016859d86d15748650119402b10/dmesg-quantal-snb-15:20131104211557:i386-randconfig-i000-1104:3.12.0-rc6-01317-gefba721f:715 /kernel/i386-randconfig-i000-1104/efba721f636ee016859d86d15748650119402b10/dmesg-yocto-lkp-st01-1:20131105051444:i386-randconfig-i000-1104:3.12.0-rc6-01317-gefba721f:715 /kernel/i386-randconfig-i000-1104/efba721f636ee016859d86d15748650119402b10/dmesg-yocto-lkp-tt02-18:20131104120354:i386-randconfig-i000-1104:3.12.0-rc6-01317-gefba721f:715 /kernel/i386-randconfig-i000-1104/efba721f636ee016859d86d15748650119402b10/dmesg-yocto-lkp-tt02-20:20131104120353:i386-randconfig-i000-1104:3.12.0-rc6-01317-gefba721f:715 0:7:7 all_good:bad:all_bad boots REPEAT COUNT: 20 # /cc/wfg/usb-bisect/.repeat efba721f636ee016859d86d15748650119402b10 is the first bad commit commit efba721f636ee016859d86d15748650119402b10 Author: Daniel Borkmann Date: Wed Oct 30 11:50:50 2013 +0100 lib: crc32: add test cases for crc32{, c}_combine routines We already have 100 test cases for crcs itself, so split the test buffer with a-prio known checksums, and test crc of two blocks against crc of the whole block for the same results. Output/result with CONFIG_CRC32_SELFTEST=y: [ 2.687095] crc32: CRC_LE_BITS = 64, CRC_BE BITS = 64 [ 2.687097] crc32: self tests passed, processed 225944 bytes in 278177 nsec [ 2.687383] crc32c: CRC_LE_BITS = 64 [ 2.687385] crc32c: self tests passed, processed 225944 bytes in 141708 nsec [ 7.336771] crc32_combine: 113072 self tests passed [ 12.050479] crc32c_combine: 113072 self tests passed [ 17.633089] alg: No test for crc32 (crc32-pclmul) Signed-off-by: Daniel Borkmann Cc: linux-kernel@vger.kernel.org Signed-off-by: David S. Miller :040000 040000 eda0382a6b5f51361c311ee06eac0b579e09a7db 58b8a5555fff2d8c057f60981458f79391b9ddad M lib bisect run success ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i000-1104/net-next:master:6e95fcaa42e5078ac265964deebed597f9eae07a:bisect-usb 2013-11-04-21:16:14 6e95fcaa42e5078ac265964deebed597f9eae07a reuse /kernel/i386-randconfig-i000-1104/6e95fcaa42e5078ac265964deebed597f9eae07a/vmlinuz-3.12.0-rc6-01316-g6e95fca 2013-11-04-21:16:14 detecting boot state .. 27 48 55 57 59 60 SUCCESS ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i000-1104/net-next:master:f421436a591d34fa5279b54a96ac07d70250cc8d:bisect-usb TEST FAILURE [ 2.406981] crc32c: CRC_LE_BITS = 1 [ 2.407563] crc32c: self tests passed, processed 225944 bytes in 5703117 nsec [ 16.224995] crc32_combine: 113072 self tests passed [ 23.380045] INFO: rcu_sched self-detected stall on CPU { 1} (t=2100 jiffies g=4294967084 c=4294967083 q=40) [ 23.380045] sending NMI to all CPUs: [ 23.380045] NMI backtrace for cpu 1 [ 23.380045] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 3.12.0-rc6-01322-gf421436 #414 [ 23.380045] task: 80138000 ti: 80140000 task.ti: 80140000 [ 23.380045] EIP: 0060:[<81057de4>] EFLAGS: 00010046 CPU: 1 [ 23.380045] EIP is at default_send_IPI_mask_logical+0x164/0x1f0 [ 23.380045] EAX: fffff000 EBX: 03000000 ECX: fffff000 EDX: 00000c00 [ 23.380045] ESI: 00000046 EDI: 00000002 EBP: 80141b9c ESP: 80141b8c [ 23.380045] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 23.380045] CR0: 8005003b CR2: 00000000 CR3: 01bed000 CR4: 000006d0 [ 23.380045] Stack: [ 23.380045] 00000800 00002710 8dd061a0 81967b80 80141ba8 81057fac 00002710 80141bb8 [ 23.380045] 81058691 818908e0 00000028 80141bfc 8115cdec 818a7884 00000834 ffffff2c [ 23.380045] ffffff2b 00000028 80141bfc 810cfe5d 00000001 80140000 8dd061a0 00000001 [ 23.380045] Call Trace: [ 23.380045] [<81057fac>] default_send_IPI_all+0x2c/0xd0 [ 23.380045] [<81058691>] arch_trigger_all_cpu_backtrace+0x91/0x130 [ 23.380045] [<8115cdec>] rcu_check_callbacks+0x35c/0xa40 [ 23.380045] [<810cfe5d>] ? account_process_tick+0x1ed/0x2e0 [ 23.380045] [<8108eeef>] update_process_times+0x6f/0xe0 [ 23.380045] [<81115d01>] tick_sched_handle.isra.12+0x71/0xa0 [ 23.380045] [<81115d9a>] tick_sched_timer+0x6a/0xc0 [ 23.380045] [<810b57e7>] __run_hrtimer.isra.17+0xc7/0x1b0 [ 23.380045] [<81115d30>] ? tick_sched_handle.isra.12+0xa0/0xa0 [ 23.380045] [<810b6833>] hrtimer_interrupt+0x1b3/0x3d0 [ 23.380045] [<810644de>] ? kvm_clock_read+0x3e/0x80 [ 23.380045] [<81012746>] ? sched_clock+0x16/0x30 [ 23.380045] [<8115bd29>] ? rcu_irq_enter+0x139/0x190 [ 23.380045] [<810548c1>] local_apic_timer_interrupt+0x81/0xa0 [ 23.380045] [<81085b0e>] ? irq_enter+0x1e/0xf0 [ 23.380045] [<81054d28>] smp_apic_timer_interrupt+0x58/0x90 [ 23.380045] [<816ab692>] apic_timer_interrupt+0x36/0x3c [ 23.380045] [<813f2d44>] ? gf2_matrix_square+0x54/0xa0 [ 23.380045] [<813f2f4e>] crc32_generic_combine+0x1be/0x2c0 [ 23.380045] [<81a5ef53>] crc32test_init+0x1228/0x1317 [ 23.380045] [<81a5dd2b>] ? debug_objects_mem_init+0x3eb/0x3eb [ 23.380045] [<81000440>] do_one_initcall+0x100/0x250 [ 23.380045] [<810ac931>] ? parameq+0x21/0xf0 [ 23.380045] [<81a1e700>] ? do_early_param+0x110/0x12b [ 23.380045] [<810acdf2>] ? parse_args+0x3f2/0x5d0 [ 23.380045] [<81a1f94d>] kernel_init_freeable+0x2e4/0x47a [ 23.380045] [<81a1e71b>] ? do_early_param+0x12b/0x12b [ 23.380045] [<8168b8f9>] kernel_init+0x19/0x290 [ 23.380045] [<816abaf7>] ret_from_kernel_thread+0x1b/0x28 [ 23.380045] [<8168b8e0>] ? rest_init+0x190/0x190 [ 23.380045] Code: f8 a4 c1 81 01 83 15 fc a4 c1 81 00 eb 12 90 80 ce 04 83 05 00 a5 c1 81 01 83 15 04 a5 c1 81 00 a1 10 87 94 81 89 90 00 c3 ff ff c6 00 02 00 00 75 3c 83 05 08 a5 c1 81 01 89 f0 83 15 0c a5 [ 23.390045] NMI backtrace for cpu 0 [ 23.390045] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.12.0-rc6-01322-gf421436 #414 [ 23.390045] task: 8192b300 ti: 81928000 task.ti: 81928000 [ 23.390045] EIP: 0060:[<81064ae3>] EFLAGS: 00200246 CPU: 0 [ 23.390045] EIP is at native_safe_halt+0x13/0x30 [ 23.390045] EAX: 8192b300 EBX: 81928000 ECX: 00000000 EDX: 00000001 [ 23.390045] ESI: ffffffff EDI: 81bee800 EBP: 81929f84 ESP: 81929f84 [ 23.390045] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 23.390045] CR0: 8005003b CR2: ffffffff CR3: 01bed000 CR4: 000006d0 [ 23.390045] Stack: [ 23.390045] 81929f8c 81014509 81929f94 810156ae 81929fac 810f6cea a12e8df2 7bf14909 [ 23.390045] 00000002 00020800 81929fc8 8168b8c1 00000002 00000001 00000000 8168b750 [ 23.390045] 00000000 81929fec 81a1f640 000000bd ffffffff ffffffff 81a1e7ee 81a820e0 [ 23.390045] Call Trace: [ 23.390045] [<81014509>] default_idle+0x29/0x40 [ 23.390045] [<810156ae>] arch_cpu_idle+0x2e/0x80 [ 23.390045] [<810f6cea>] cpu_startup_entry+0x2aa/0x3e0 [ 23.390045] [<8168b8c1>] rest_init+0x171/0x190 [ 23.390045] [<8168b750>] ? __read_lock_failed+0x18/0x18 [ 23.390045] [<81a1f640>] start_kernel+0xa3d/0xa66 [ 23.390045] [<81a1e7ee>] ? repair_env_string+0xd3/0xd3 [ 23.390045] [<81a1e3e8>] i386_start_kernel+0x19e/0x1af [ 23.390045] Code: 01 83 15 a4 50 c2 81 00 5d c3 8d b4 26 00 00 00 00 8d bc 27 00 00 00 00 55 83 05 a8 50 c2 81 01 89 e5 83 15 ac 50 c2 81 00 fb f4 <83> 05 b0 50 c2 81 01 83 15 b4 50 c2 81 00 5d c3 8d b6 00 00 00 /kernel/i386-randconfig-i000-1104/f421436a591d34fa5279b54a96ac07d70250cc8d/dmesg-quantal-xian-2:20131104143408:i386-randconfig-i000-1104:3.12.0-rc6-01322-gf421436:414 /kernel/i386-randconfig-i000-1104/f421436a591d34fa5279b54a96ac07d70250cc8d/dmesg-yocto-lkp-tt02-20:20131104102921:i386-randconfig-i000-1104:3.12.0-rc6-01322-gf421436:414 /kernel/i386-randconfig-i000-1104/f421436a591d34fa5279b54a96ac07d70250cc8d/dmesg-yocto-roam-13:20131104144836:i386-randconfig-i000-1104:3.12.0-rc6-01322-gf421436:414 /kernel/i386-randconfig-i000-1104/f421436a591d34fa5279b54a96ac07d70250cc8d/dmesg-quantal-snb-22:20131104144449:i386-randconfig-i000-1104:3.12.0-rc6-01322-gf421436:414 /kernel/i386-randconfig-i000-1104/f421436a591d34fa5279b54a96ac07d70250cc8d/dmesg-quantal-lkp-st01-4:20131105021215:i386-randconfig-i000-1104:3.12.0-rc6-01322-gf421436:414 /kernel/i386-randconfig-i000-1104/f421436a591d34fa5279b54a96ac07d70250cc8d/dmesg-quantal-lkp-tt02-12:20131104102725:i386-randconfig-i000-1104:3.12.0-rc6-01322-gf421436:414 /kernel/i386-randconfig-i000-1104/f421436a591d34fa5279b54a96ac07d70250cc8d/dmesg-yocto-snb-46:20131104144056:i386-randconfig-i000-1104:3.12.0-rc6-01322-gf421436:414 /kernel/i386-randconfig-i000-1104/f421436a591d34fa5279b54a96ac07d70250cc8d/dmesg-yocto-lkp-st01-12:20131105034018:i386-randconfig-i000-1104:3.12.0-rc6-01322-gf421436:414 /kernel/i386-randconfig-i000-1104/f421436a591d34fa5279b54a96ac07d70250cc8d/dmesg-quantal-lkp-st01-2:20131105033853:i386-randconfig-i000-1104:3.12.0-rc6-01322-gf421436:414 /kernel/i386-randconfig-i000-1104/f421436a591d34fa5279b54a96ac07d70250cc8d/dmesg-quantal-lkp-tt02-19:20131104102802:i386-randconfig-i000-1104:3.12.0-rc6-01322-gf421436:414 /kernel/i386-randconfig-i000-1104/f421436a591d34fa5279b54a96ac07d70250cc8d/dmesg-quantal-athens-14:20131104194016:i386-randconfig-i000-1104:3.12.0-rc6-01322-gf421436:414 /kernel/i386-randconfig-i000-1104/f421436a591d34fa5279b54a96ac07d70250cc8d/dmesg-yocto-roam-42:20131104143404:i386-randconfig-i000-1104:3.12.0-rc6-01322-gf421436:414 /kernel/i386-randconfig-i000-1104/f421436a591d34fa5279b54a96ac07d70250cc8d/dmesg-yocto-snb-14:20131104144928:i386-randconfig-i000-1104:3.12.0-rc6-01322-gf421436:414 /kernel/i386-randconfig-i000-1104/f421436a591d34fa5279b54a96ac07d70250cc8d/dmesg-yocto-lkp-tt02-14:20131104102741:i386-randconfig-i000-1104:3.12.0-rc6-01322-gf421436:414 /kernel/i386-randconfig-i000-1104/f421436a591d34fa5279b54a96ac07d70250cc8d/dmesg-yocto-lkp-tt02-5:20131104052217:i386-randconfig-i000-1104:3.12.0-rc6-01322-gf421436:414 /kernel/i386-randconfig-i000-1104/f421436a591d34fa5279b54a96ac07d70250cc8d/dmesg-quantal-xian-9:20131104143345:i386-randconfig-i000-1104:3.12.0-rc6-01322-gf421436:414 /kernel/i386-randconfig-i000-1104/f421436a591d34fa5279b54a96ac07d70250cc8d/dmesg-quantal-cairo-41:20131104194007:i386-randconfig-i000-1104:3.12.0-rc6-01322-gf421436:414 0:17:19 all_good:bad:all_bad boots [detached HEAD 1e418d9] Revert "lib: crc32: add test cases for crc32{, c}_combine routines" 1 file changed, 72 deletions(-) ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i000-1104/net-next:master:1e418d9716d909dd6d2afa89c9066f329b62613c:bisect-usb 2013-11-04-21:20:19 1e418d9716d909dd6d2afa89c9066f329b62613c compiling 2013-11-04-21:21:50 detecting boot state 3.12.0-rc6-01323-g1e418d9... 1. 4. 5 6 7. 8 15 26 40 48 60 SUCCESS ========= upstream ========= Fetching linus ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i000-1104/net-next:master:5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52:bisect-usb SUCCESS ========= linux-next ========= Fetching next ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i000-1104/net-next:master:e3ad71f5e8b6e700a38d5a0da12b29d53600e65e:bisect-usb 2013-11-04-21:30:40 e3ad71f5e8b6e700a38d5a0da12b29d53600e65e reuse /kernel/i386-randconfig-i000-1104/e3ad71f5e8b6e700a38d5a0da12b29d53600e65e/vmlinuz-3.12.0-rc7-next-20131104-09853-ge3ad71f 2013-11-04-21:30:41 detecting boot state ... 31 50 52 54 60 SUCCESS