git checkout 5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52 Previous HEAD position was 9aab69d... Merge 'omap-audio/peter/ti/ti-linux-3.12.y-o5_dra7_mcasp' into devel-inn-i386-201311081714 HEAD is now at 5e01dc7... Linux 3.12 ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i005-1108/linux-devel:devel-inn-i386-201311081714:5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52:bisect-mmotm SUCCESS bisect: good commit 5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52 git bisect start 9aab69def5d79c04a6dbf6d5646043193e673bc5 5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52 -- Previous HEAD position was 5e01dc7... Linux 3.12 HEAD is now at 805a6af... Linux 3.2 Bisecting: 626 revisions left to test after this (roughly 9 steps) [a89b2a0fcc3c857c5b8b6b54798aaba5d1aac28c] Merge tag 'usb-for-v3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into connectivity-ti-linux-3.12.y git bisect run /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mmotm/obj-bisect running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mmotm/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i005-1108/linux-devel:devel-inn-i386-201311081714:a89b2a0fcc3c857c5b8b6b54798aaba5d1aac28c:bisect-mmotm 2013-11-09-11:08:34 a89b2a0fcc3c857c5b8b6b54798aaba5d1aac28c compiling 1106 real 1438 user 129 sys 141.70% cpu i386-randconfig-i005-1108 2013-11-09-11:34:59 detecting boot state 3.12.0-rc6-00663-ga89b2a0... 1.... 2 3 4 5 6.. 7. 9 10.. 11 12.. 15 16. 19 20 SUCCESS Bisecting: 313 revisions left to test after this (roughly 8 steps) [8ffb929098a56939ac71509302eeab5b207bf262] Bluetooth: Remove parent socket usage from l2cap_core.c running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mmotm/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i005-1108/linux-devel:devel-inn-i386-201311081714:8ffb929098a56939ac71509302eeab5b207bf262:bisect-mmotm 2013-11-09-11:50:04 8ffb929098a56939ac71509302eeab5b207bf262 compiling 470 real 1505 user 131 sys 347.42% cpu i386-randconfig-i005-1108 2013-11-09-12:01:46 detecting boot state 3.11.0-08077-g8ffb929. 3 6 10 12 14 17............... 18. 19 20 SUCCESS Bisecting: 158 revisions left to test after this (roughly 7 steps) [90570c54a58ad4543e9ba418ff20424659d5f4e3] phy: kconfig: add depends on "USB_SUPPORT" to OMAP_USB2 and TWL4030_USB running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mmotm/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i005-1108/linux-devel:devel-inn-i386-201311081714:90570c54a58ad4543e9ba418ff20424659d5f4e3:bisect-mmotm 2013-11-09-12:14:56 90570c54a58ad4543e9ba418ff20424659d5f4e3 compiling 496 real 1548 user 126 sys 337.40% cpu i386-randconfig-i005-1108 2013-11-09-12:23:53 detecting boot state 3.12.0-rc7-00863-g90570c5 2 7 10 19.................................. 20 SUCCESS Bisecting: 79 revisions left to test after this (roughly 6 steps) [4074afe30e0228d9dc299df1d73a511335bb4c5b] ARM: OMAP2+: hwmod_7xx: Add data structures for McASP3 running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mmotm/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i005-1108/linux-devel:devel-inn-i386-201311081714:4074afe30e0228d9dc299df1d73a511335bb4c5b:bisect-mmotm 2013-11-09-12:43:34 4074afe30e0228d9dc299df1d73a511335bb4c5b compiling 167 real 249 user 29 sys 166.12% cpu i386-randconfig-i005-1108 2013-11-09-12:47:15 detecting boot state 3.12.0-00894-g4074afe 6 9 11 15................... 16 17...................... 18....... 19..... 20 SUCCESS Bisecting: 41 revisions left to test after this (roughly 5 steps) [9fbe8e5b9724e0034618bd512df9eda4694e77d5] Merge branch 'kbuild/kconfig' into kbuild/for-next running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mmotm/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i005-1108/linux-devel:devel-inn-i386-201311081714:9fbe8e5b9724e0034618bd512df9eda4694e77d5:bisect-mmotm 2013-11-09-13:18:25 9fbe8e5b9724e0034618bd512df9eda4694e77d5 compiling 206 real 1522 user 129 sys 798.45% cpu i386-randconfig-i005-1108 2013-11-09-13:22:17 detecting boot state 3.12.0-rc1-00039-g9fbe8e5 1 4 9 15 18................. 19..... 20 SUCCESS Bisecting: 20 revisions left to test after this (roughly 4 steps) [7def68012f470495d1aaad9bd51fcd87c6111645] Bluetooth: ath3k: Add support for a new AR3012 device running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mmotm/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i005-1108/linux-devel:devel-inn-i386-201311081714:7def68012f470495d1aaad9bd51fcd87c6111645:bisect-mmotm 2013-11-09-13:36:54 7def68012f470495d1aaad9bd51fcd87c6111645 compiling 225 real 1525 user 141 sys 739.16% cpu i386-randconfig-i005-1108 2013-11-09-13:41:33 detecting boot state 3.11.0-08098-g7def680....... 1........... 2... 3... 4. 6... 7..... 9 10.. 11 12 13.. 14 15 16...... 17 18... 19..................... 20 SUCCESS Bisecting: 9 revisions left to test after this (roughly 3 steps) [3657319957a9e1500bea4694968f97dd596f7b53] Merge branch 'kbuild/kbuild' into kbuild/for-next running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mmotm/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i005-1108/linux-devel:devel-inn-i386-201311081714:3657319957a9e1500bea4694968f97dd596f7b53:bisect-mmotm 2013-11-09-14:24:06 3657319957a9e1500bea4694968f97dd596f7b53 compiling 246 real 1517 user 131 sys 670.33% cpu i386-randconfig-i005-1108 2013-11-09-14:28:42 detecting boot state 3.12.0-rc1-00050-g3657319... TEST FAILURE [ 6.376735] NatSemi SCx200 Driver [ 6.380571] cryptomgr_test (23) used greatest stack depth: 7128 bytes left [ 6.390312] Initializing RT-Tester: OK [ 6.508184] BUG: unable to handle kernel NULL pointer dereference at (null) [ 6.509042] IP: [] nommu_map_page+0x5e/0xe0 [ 6.509042] *pde = 00000000 [ 6.509042] Oops: 0002 [#1] PREEMPT SMP [ 6.509042] Modules linked in: [ 6.509042] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 3.12.0-rc1-00050-g3657319 #295 [ 6.509042] task: b0048000 ti: b0044000 task.ti: b0044000 [ 6.509042] EIP: 0060:[] EFLAGS: 00010286 CPU: 1 [ 6.509042] EIP is at nommu_map_page+0x5e/0xe0 [ 6.509042] EAX: 00000000 EBX: b1ceff90 ECX: 0000000d EDX: 00000001 [ 6.509042] ESI: 00000006 EDI: 000000c4 EBP: b0045f9c ESP: b0045f80 [ 6.509042] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 6.509042] CR0: 8005003b CR2: 00000000 CR3: 01e4d000 CR4: 00000690 [ 6.509042] Stack: [ 6.509042] 000000c4 00000006 00000006 b1c7c706 00000000 bdbbb940 b1b9dda0 b0045fac [ 6.509042] b1844089 bdbbb940 b0047f88 b0044000 b1870ffb b1844070 00000000 00000000 [ 6.509042] 00000000 00000000 00000000 00000000 0000007b 0000007b 000000d8 00000000 [ 6.509042] Call Trace: [ 6.509042] [] ? do_early_param+0x12b/0x12b [ 6.509042] [] kernel_init+0x19/0x280 [ 6.509042] [] ret_from_kernel_thread+0x1b/0x30 [ 6.509042] [] ? rest_init+0x280/0x280 [ 6.509042] Code: a2 e5 b1 00 8b 04 f5 c0 a8 44 b2 89 d3 8b 55 08 83 e0 fc 29 c3 c1 fb 05 c1 e3 0c 01 cb 85 d2 75 2c 83 05 50 a2 e5 b1 01 ba 23 00 <00> 00 b8 4c a8 aa b1 83 15 54 a2 e5 b1 00 e8 1f 16 05 00 83 05 [ 6.509042] EIP: [] nommu_map_page+0x5e/0xe0 SS:ESP 0068:b0045f80 [ 6.509042] CR2: 0000000000000000 [ 6.572369] ---[ end trace 8ffafbfb6791d162 ]--- [ 6.574292] swapper/0 (1) used greatest stack depth: 5712 bytes left /kernel/i386-randconfig-i005-1108/3657319957a9e1500bea4694968f97dd596f7b53/dmesg-quantal-jaketown-3:20131109142948:i386-randconfig-i005-1108:3.12.0-rc1-00050-g3657319:295 0:1:1 all_good:bad:all_bad boots REPEAT COUNT: 20 # /cc/wfg/mmotm-bisect/.repeat Bisecting: 4 revisions left to test after this (roughly 3 steps) [37d1c5fc2dd80db8c084e5c3d324cb92dd6e5a94] Merge branches 'kbuild/kbuild' and 'kbuild/misc' into kbuild/for-next running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mmotm/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i005-1108/linux-devel:devel-inn-i386-201311081714:37d1c5fc2dd80db8c084e5c3d324cb92dd6e5a94:bisect-mmotm 2013-11-09-14:30:16 37d1c5fc2dd80db8c084e5c3d324cb92dd6e5a94 compiling 63 real 144 user 22 sys 262.04% cpu i386-randconfig-i005-1108 2013-11-09-14:32:49 detecting boot state 3.12.0-rc1-00045-g37d1c5f.... TEST FAILURE [ 1.234551] NatSemi SCx200 Driver [ 1.234678] cryptomgr_test (23) used greatest stack depth: 6944 bytes left [ 1.254138] Initializing RT-Tester: OK [ 1.306628] BUG: unable to handle kernel NULL pointer dereference at (null) [ 1.307056] IP: [] nommu_map_page+0x5e/0xe0 [ 1.307056] *pde = 00000000 [ 1.307056] Oops: 0002 [#1] PREEMPT SMP [ 1.307056] Modules linked in: [ 1.307056] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.12.0-rc1-00045-g37d1c5f #296 [ 1.307056] task: b0048000 ti: b0044000 task.ti: b0044000 [ 1.307056] EIP: 0060:[] EFLAGS: 00010286 CPU: 0 [ 1.307056] EIP is at nommu_map_page+0x5e/0xe0 [ 1.307056] EAX: 00000000 EBX: b1ceff90 ECX: 0000000d EDX: 00000001 [ 1.307056] ESI: 00000006 EDI: 000000c4 EBP: b0045f9c ESP: b0045f80 [ 1.307056] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 1.307056] CR0: 8005003b CR2: 00000000 CR3: 01e4d000 CR4: 00000690 [ 1.307056] Stack: [ 1.307056] 000000c4 00000006 00000006 b1c7c706 00000000 bf160940 b1b9dda0 b0045fac [ 1.307056] b1844089 bf160940 b0047f88 b0044000 b1870ffb b1844070 00000000 00000000 [ 1.307056] 00000000 00000000 00000000 00000000 0000007b 0000007b 000000d8 00000000 [ 1.307056] Call Trace: [ 1.307056] [] ? do_early_param+0x12b/0x12b [ 1.307056] [] kernel_init+0x19/0x280 [ 1.307056] [] ret_from_kernel_thread+0x1b/0x30 [ 1.307056] [] ? rest_init+0x280/0x280 [ 1.307056] Code: a2 e5 b1 00 8b 04 f5 c0 a8 44 b2 89 d3 8b 55 08 83 e0 fc 29 c3 c1 fb 05 c1 e3 0c 01 cb 85 d2 75 2c 83 05 50 a2 e5 b1 01 ba 23 00 <00> 00 b8 4c a8 aa b1 83 15 54 a2 e5 b1 00 e8 1f 16 05 00 83 05 [ 1.307056] EIP: [] nommu_map_page+0x5e/0xe0 SS:ESP 0068:b0045f80 [ 1.307056] CR2: 0000000000000000 [ 1.365583] ---[ end trace e39c4caf486118be ]--- [ 1.366613] swapper/0 (1) used greatest stack depth: 5692 bytes left /kernel/i386-randconfig-i005-1108/37d1c5fc2dd80db8c084e5c3d324cb92dd6e5a94/dmesg-yocto-lkp-tt02-6:20131109052455:i386-randconfig-i005-1108:3.12.0-rc1-00045-g37d1c5f:296 0:1:1 all_good:bad:all_bad boots REPEAT COUNT: 20 # /cc/wfg/mmotm-bisect/.repeat Bisecting: 2 revisions left to test after this (roughly 2 steps) [21cf6e584ce35b79374581e6344dd7c74f8b4a2b] kbuild, bloat-o-meter: fix static detection running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mmotm/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i005-1108/linux-devel:devel-inn-i386-201311081714:21cf6e584ce35b79374581e6344dd7c74f8b4a2b:bisect-mmotm 2013-11-09-14:34:51 21cf6e584ce35b79374581e6344dd7c74f8b4a2b compiling 33 real 142 user 22 sys 486.38% cpu i386-randconfig-i005-1108 2013-11-09-14:35:43 detecting boot state 3.12.0-rc1-00004-g21cf6e5. TEST FAILURE [ 2.843196] NatSemi SCx200 Driver [ 2.844506] cryptomgr_test (22) used greatest stack depth: 6964 bytes left [ 2.847333] Initializing RT-Tester: OK [ 2.878125] BUG: unable to handle kernel NULL pointer dereference at (null) [ 2.879015] IP: [] nommu_map_page+0x5e/0xe0 [ 2.879015] *pde = 00000000 [ 2.879015] Oops: 0002 [#1] PREEMPT SMP [ 2.879015] Modules linked in: [ 2.879015] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.12.0-rc1-00004-g21cf6e5 #297 [ 2.879015] task: b0048000 ti: b0044000 task.ti: b0044000 [ 2.879015] EIP: 0060:[] EFLAGS: 00010286 CPU: 0 [ 2.879015] EIP is at nommu_map_page+0x5e/0xe0 [ 2.879015] EAX: 00000000 EBX: b1ceff90 ECX: 0000000d EDX: 00000001 [ 2.879015] ESI: 00000006 EDI: 000000c4 EBP: b0045f9c ESP: b0045f80 [ 2.879015] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 2.879015] CR0: 8005003b CR2: 00000000 CR3: 01e4d000 CR4: 00000690 [ 2.879015] Stack: [ 2.879015] 000000c4 00000006 00000006 b1c7c706 00000000 bdbbb940 b1b9dda0 b0045fac [ 2.879015] b1844089 bdbbb940 b0047f88 b0044000 b1870ffb b1844070 00000000 00000000 [ 2.879015] 00000000 00000000 00000000 00000000 0000007b 0000007b 000000d8 00000000 [ 2.879015] Call Trace: [ 2.879015] [] ? do_early_param+0x12b/0x12b [ 2.879015] [] kernel_init+0x19/0x280 [ 2.879015] [] ret_from_kernel_thread+0x1b/0x30 [ 2.879015] [] ? rest_init+0x280/0x280 [ 2.879015] Code: a2 e5 b1 00 8b 04 f5 c0 a8 44 b2 89 d3 8b 55 08 83 e0 fc 29 c3 c1 fb 05 c1 e3 0c 01 cb 85 d2 75 2c 83 05 50 a2 e5 b1 01 ba 23 00 <00> 00 b8 4c a8 aa b1 83 15 54 a2 e5 b1 00 e8 1f 16 05 00 83 05 [ 2.879015] EIP: [] nommu_map_page+0x5e/0xe0 SS:ESP 0068:b0045f80 [ 2.879015] CR2: 0000000000000000 [ 2.903025] ---[ end trace f17132a415c4ada4 ]--- [ 2.903730] swapper/0 (1) used greatest stack depth: 5712 bytes left /kernel/i386-randconfig-i005-1108/21cf6e584ce35b79374581e6344dd7c74f8b4a2b/dmesg-quantal-stoakley-6:20131109143557:i386-randconfig-i005-1108:3.12.0-rc1-00004-g21cf6e5:297 0:1:1 all_good:bad:all_bad boots REPEAT COUNT: 20 # /cc/wfg/mmotm-bisect/.repeat Bisecting: 0 revisions left to test after this (roughly 1 step) [f3462aa952cfc8f4b095103cb9b3d306dd216558] Kbuild: Handle longer symbols in kallsyms.c running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mmotm/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i005-1108/linux-devel:devel-inn-i386-201311081714:f3462aa952cfc8f4b095103cb9b3d306dd216558:bisect-mmotm 2013-11-09-14:36:16 f3462aa952cfc8f4b095103cb9b3d306dd216558 compiling 33 real 145 user 22 sys 499.73% cpu i386-randconfig-i005-1108 2013-11-09-14:37:07 detecting boot state 3.12.0-rc1-00003-gf3462aa.... TEST FAILURE [ 4.162482] NatSemi SCx200 Driver [ 4.162564] cryptomgr_test (23) used greatest stack depth: 7056 bytes left [ 4.167112] Initializing RT-Tester: OK [ 4.195971] BUG: unable to handle kernel NULL pointer dereference at (null) [ 4.196011] IP: [] nommu_map_page+0x5e/0xe0 [ 4.196011] *pde = 00000000 [ 4.196011] Oops: 0002 [#1] PREEMPT SMP [ 4.196011] Modules linked in: [ 4.196011] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.12.0-rc1-00003-gf3462aa #298 [ 4.196011] task: b0048000 ti: b0044000 task.ti: b0044000 [ 4.196011] EIP: 0060:[] EFLAGS: 00010286 CPU: 0 [ 4.196011] EIP is at nommu_map_page+0x5e/0xe0 [ 4.196011] EAX: 00000000 EBX: b1ceff90 ECX: 0000000d EDX: 00000001 [ 4.196011] ESI: 00000006 EDI: 000000c4 EBP: b0045f9c ESP: b0045f80 [ 4.196011] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 4.196011] CR0: 8005003b CR2: 00000000 CR3: 01e4d000 CR4: 00000690 [ 4.196011] Stack: [ 4.196011] 000000c4 00000006 00000006 b1c7c706 00000000 bdbbb940 b1b9dda0 b0045fac [ 4.196011] b1844089 bdbbb940 b0047f88 b0044000 b1870ffb b1844070 00000000 00000000 [ 4.196011] 00000000 00000000 00000000 00000000 0000007b 0000007b 000000d8 00000000 [ 4.196011] Call Trace: [ 4.196011] [] ? do_early_param+0x12b/0x12b [ 4.196011] [] kernel_init+0x19/0x280 [ 4.196011] [] ret_from_kernel_thread+0x1b/0x30 [ 4.196011] [] ? rest_init+0x280/0x280 [ 4.196011] Code: a2 e5 b1 00 8b 04 f5 c0 a8 44 b2 89 d3 8b 55 08 83 e0 fc 29 c3 c1 fb 05 c1 e3 0c 01 cb 85 d2 75 2c 83 05 50 a2 e5 b1 01 ba 23 00 <00> 00 b8 4c a8 aa b1 83 15 54 a2 e5 b1 00 e8 1f 16 05 00 83 05 [ 4.196011] EIP: [] nommu_map_page+0x5e/0xe0 SS:ESP 0068:b0045f80 [ 4.196011] CR2: 0000000000000000 [ 4.219933] ---[ end trace fa0fc402c19894f9 ]--- [ 4.220636] swapper/0 (1) used greatest stack depth: 5744 bytes left /kernel/i386-randconfig-i005-1108/f3462aa952cfc8f4b095103cb9b3d306dd216558/dmesg-quantal-stoakley-6:20131109143848:i386-randconfig-i005-1108:3.12.0-rc1-00003-gf3462aa:298 0:1:1 all_good:bad:all_bad boots REPEAT COUNT: 20 # /cc/wfg/mmotm-bisect/.repeat Bisecting: 0 revisions left to test after this (roughly 0 steps) [eea0e9cbb9e65cd553d302a4aefd4c7b70d9fd90] kbuild: Increase kallsyms max symbol length running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mmotm/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i005-1108/linux-devel:devel-inn-i386-201311081714:eea0e9cbb9e65cd553d302a4aefd4c7b70d9fd90:bisect-mmotm 2013-11-09-14:39:10 eea0e9cbb9e65cd553d302a4aefd4c7b70d9fd90 compiling 36 real 144 user 24 sys 463.88% cpu i386-randconfig-i005-1108 2013-11-09-14:40:07 detecting boot state 3.12.0-rc1-00002-geea0e9c. TEST FAILURE [ 1.250931] NatSemi SCx200 Driver [ 1.252699] cryptomgr_test (22) used greatest stack depth: 7036 bytes left [ 1.256615] Initializing RT-Tester: OK [ 1.297929] BUG: unable to handle kernel NULL pointer dereference at (null) [ 1.298039] IP: [] nommu_map_page+0x5e/0xe0 [ 1.298039] *pde = 00000000 [ 1.298039] Oops: 0002 [#1] PREEMPT SMP [ 1.298039] Modules linked in: [ 1.298039] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 3.12.0-rc1-00002-geea0e9c #299 [ 1.298039] task: b0048000 ti: b0044000 task.ti: b0044000 [ 1.298039] EIP: 0060:[] EFLAGS: 00010286 CPU: 1 [ 1.298039] EIP is at nommu_map_page+0x5e/0xe0 [ 1.298039] EAX: 00000000 EBX: b1ceff90 ECX: 0000000d EDX: 00000001 [ 1.298039] ESI: 00000006 EDI: 000000c4 EBP: b0045f9c ESP: b0045f80 [ 1.298039] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 1.298039] CR0: 8005003b CR2: 00000000 CR3: 01e4d000 CR4: 00000690 [ 1.298039] Stack: [ 1.298039] 000000c4 00000006 00000006 b1c7c706 00000000 bf160940 b1b9dda0 b0045fac [ 1.298039] b1844089 bf160940 b0047f88 b0044000 b1870ffb b1844070 00000000 00000000 [ 1.298039] 00000000 00000000 00000000 00000000 0000007b 0000007b 000000d8 00000000 [ 1.298039] Call Trace: [ 1.298039] [] ? do_early_param+0x12b/0x12b [ 1.298039] [] kernel_init+0x19/0x280 [ 1.298039] [] ret_from_kernel_thread+0x1b/0x30 [ 1.298039] [] ? rest_init+0x280/0x280 [ 1.298039] Code: a2 e5 b1 00 8b 04 f5 c0 a8 44 b2 89 d3 8b 55 08 83 e0 fc 29 c3 c1 fb 05 c1 e3 0c 01 cb 85 d2 75 2c 83 05 50 a2 e5 b1 01 ba 23 00 <00> 00 b8 4c a8 aa b1 83 15 54 a2 e5 b1 00 e8 1f 16 05 00 83 05 [ 1.298039] EIP: [] nommu_map_page+0x5e/0xe0 SS:ESP 0068:b0045f80 [ 1.298039] CR2: 0000000000000000 [ 1.323990] ---[ end trace fa845c670b167e2c ]--- [ 1.324795] swapper/0 (1) used greatest stack depth: 5716 bytes left /kernel/i386-randconfig-i005-1108/eea0e9cbb9e65cd553d302a4aefd4c7b70d9fd90/dmesg-yocto-bens-2:20131109144022:i386-randconfig-i005-1108:3.12.0-rc1-00002-geea0e9c:299 0:1:1 all_good:bad:all_bad boots REPEAT COUNT: 20 # /cc/wfg/mmotm-bisect/.repeat eea0e9cbb9e65cd553d302a4aefd4c7b70d9fd90 is the first bad commit commit eea0e9cbb9e65cd553d302a4aefd4c7b70d9fd90 Author: Joe Mario Date: Wed Oct 23 15:06:53 2013 +0200 kbuild: Increase kallsyms max symbol length [AK: This seems like a ticking time bomb even without LTO, so should be merged now. It causes very weird problems. Thanks to Joe for tracking them down.] With the added postfixes that LTO adds for local symbols, the longest name in the kernel overflows the namebuf[KSYM_NAME_LEN] array by two bytes. That name is: __pci_fixup_resumePCI_VENDOR_ID_SERVERWORKSPCI_DEVICE_ID_SERVERWORKS_HT1000SBquirk_disable_broadcom_boot_interrupt.1488004.672802 Double the max symbol name length. v2: Use 255 (Joe Perches) Signed-off-by: Andi Kleen Signed-off-by: Michal Marek :040000 040000 7eb7b8f0969e8f02e679e513feed0b31caa2773b 256ceaa8e374097fa1f3c2c12bd2c1cc170e17b1 M include bisect run success ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i005-1108/linux-devel:devel-inn-i386-201311081714:80970472179a45609c0b11b80619bc8c32b15f77:bisect-mmotm 2013-11-09-14:40:40 80970472179a45609c0b11b80619bc8c32b15f77 compiling 2013-11-09-14:41:41 detecting boot state 3.12.0-rc1-00001-g8097047... 1. 3 4. 5 9 10 12 16 17 21 26 29 43 52 57............... 58........... 59..... 60 SUCCESS ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i005-1108/linux-devel:devel-inn-i386-201311081714:9aab69def5d79c04a6dbf6d5646043193e673bc5:bisect-mmotm TEST FAILURE [ 2.791747] cryptomgr_test (23) used greatest stack depth: 7200 bytes left [ 2.793178] NatSemi SCx200 Driver [ 2.827718] Initializing RT-Tester: OK [ 2.873155] BUG: unable to handle kernel NULL pointer dereference at 00000008 [ 2.874026] IP: [] restore_sigcontext+0x12e/0x370 [ 2.874026] *pde = 00000000 [ 2.874026] Oops: 0002 [#1] PREEMPT SMP [ 2.874026] Modules linked in: [ 2.874026] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.12.0-01287-g9aab69d #1176 [ 2.874026] task: b0048000 ti: b0044000 task.ti: b0044000 [ 2.874026] EIP: 0060:[] EFLAGS: 00010286 CPU: 0 [ 2.874026] EIP is at restore_sigcontext+0x12e/0x370 [ 2.874026] EAX: 00000000 EBX: b1d04f90 ECX: 0000000d EDX: 00000001 [ 2.874026] ESI: 00000006 EDI: 000000c4 EBP: b0045f9c ESP: b0045f80 [ 2.874026] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 2.874026] CR0: 8005003b CR2: 00000008 CR3: 01e62000 CR4: 00000690 [ 2.874026] Stack: [ 2.874026] 000000c4 00000006 00000006 b1c91706 00000000 bdbbb940 b1bb1e20 b0045fac [ 2.874026] b18491b9 bdbbb940 b0047f88 b0044000 b1876fbb b18491a0 00000000 00000000 [ 2.874026] 00000000 00000000 00000000 00000000 0000007b 0000007b 000000d8 00000000 [ 2.874026] Call Trace: [ 2.874026] [] ? do_early_param+0x12b/0x12b [ 2.874026] [] kernel_init+0x19/0x280 [ 2.874026] [] ret_from_kernel_thread+0x1b/0x30 [ 2.874026] [] ? rest_init+0x280/0x280 [ 2.874026] Code: 6e e6 b1 00 89 58 3c 8b 5a 20 83 05 60 6e e6 b1 01 83 15 64 6e e6 b1 00 89 18 8b 5a 24 83 05 68 6e e6 b1 01 83 15 6c 6e e6 b1 00 <89> 58 08 8b 5a 28 83 05 70 6e e6 b1 01 83 15 74 6e e6 b1 00 89 [ 2.874026] EIP: [] restore_sigcontext+0x12e/0x370 SS:ESP 0068:b0045f80 [ 2.874026] CR2: 0000000000000008 [ 2.894568] ---[ end trace 8a40fb969b86b4cd ]--- [ 2.895248] swapper/0 (1) used greatest stack depth: 5744 bytes left /kernel/i386-randconfig-i005-1108/9aab69def5d79c04a6dbf6d5646043193e673bc5/dmesg-quantal-lkp-st01-12:20131109012457:i386-randconfig-i005-1108:3.12.0-01287-g9aab69d:1176 /kernel/i386-randconfig-i005-1108/9aab69def5d79c04a6dbf6d5646043193e673bc5/dmesg-quantal-roam-39:20131109110749:i386-randconfig-i005-1108:3.12.0-01287-g9aab69d:1176 /kernel/i386-randconfig-i005-1108/9aab69def5d79c04a6dbf6d5646043193e673bc5/dmesg-quantal-roam-26:20131109110614:i386-randconfig-i005-1108:3.12.0-01287-g9aab69d:1176 /kernel/i386-randconfig-i005-1108/9aab69def5d79c04a6dbf6d5646043193e673bc5/dmesg-yocto-snb-48:20131108172729:i386-randconfig-i005-1108:3.12.0-01287-g9aab69d:1176 /kernel/i386-randconfig-i005-1108/9aab69def5d79c04a6dbf6d5646043193e673bc5/dmesg-quantal-xps-7:20131109190623:i386-randconfig-i005-1108:3.12.0-01287-g9aab69d:1176 /kernel/i386-randconfig-i005-1108/9aab69def5d79c04a6dbf6d5646043193e673bc5/dmesg-yocto-inn-28:20131108172933:i386-randconfig-i005-1108:3.12.0-01287-g9aab69d:1176 /kernel/i386-randconfig-i005-1108/9aab69def5d79c04a6dbf6d5646043193e673bc5/dmesg-quantal-xps-7:20131109190454:i386-randconfig-i005-1108:3.12.0-01287-g9aab69d:1176 /kernel/i386-randconfig-i005-1108/9aab69def5d79c04a6dbf6d5646043193e673bc5/dmesg-quantal-lkp-st01-5:20131109190309:i386-randconfig-i005-1108:3.12.0-01287-g9aab69d:1176 /kernel/i386-randconfig-i005-1108/9aab69def5d79c04a6dbf6d5646043193e673bc5/dmesg-quantal-roam-48:20131109110653:i386-randconfig-i005-1108:3.12.0-01287-g9aab69d:1176 /kernel/i386-randconfig-i005-1108/9aab69def5d79c04a6dbf6d5646043193e673bc5/dmesg-yocto-inn-2:20131108172608:i386-randconfig-i005-1108:3.12.0-01287-g9aab69d:1176 /kernel/i386-randconfig-i005-1108/9aab69def5d79c04a6dbf6d5646043193e673bc5/dmesg-yocto-lkp-tt02-20:20131109015634:i386-randconfig-i005-1108:3.12.0-01287-g9aab69d:1176 /kernel/i386-randconfig-i005-1108/9aab69def5d79c04a6dbf6d5646043193e673bc5/dmesg-yocto-waimea-4:20131109012207:i386-randconfig-i005-1108:3.12.0-01287-g9aab69d:1176 /kernel/i386-randconfig-i005-1108/9aab69def5d79c04a6dbf6d5646043193e673bc5/dmesg-quantal-snb-8:20131108172617:i386-randconfig-i005-1108:3.12.0-01287-g9aab69d:1176 /kernel/i386-randconfig-i005-1108/9aab69def5d79c04a6dbf6d5646043193e673bc5/dmesg-quantal-inn-29:20131108172936:i386-randconfig-i005-1108:3.12.0-01287-g9aab69d:1176 /kernel/i386-randconfig-i005-1108/9aab69def5d79c04a6dbf6d5646043193e673bc5/dmesg-quantal-xian-25:20131109110808:i386-randconfig-i005-1108:3.12.0-01287-g9aab69d:1176 /kernel/i386-randconfig-i005-1108/9aab69def5d79c04a6dbf6d5646043193e673bc5/dmesg-yocto-roam-20:20131109110634:i386-randconfig-i005-1108:3.12.0-01287-g9aab69d:1176 /kernel/i386-randconfig-i005-1108/9aab69def5d79c04a6dbf6d5646043193e673bc5/dmesg-yocto-lkp-tt02-24:20131109015833:i386-randconfig-i005-1108:3.12.0-01287-g9aab69d:1176 /kernel/i386-randconfig-i005-1108/9aab69def5d79c04a6dbf6d5646043193e673bc5/dmesg-quantal-snb-29:20131108172632:i386-randconfig-i005-1108:3.12.0-01287-g9aab69d:1176 /kernel/i386-randconfig-i005-1108/9aab69def5d79c04a6dbf6d5646043193e673bc5/dmesg-yocto-xgwo-2:20131109012630:i386-randconfig-i005-1108:3.12.0-01287-g9aab69d:1176 0:19:19 all_good:bad:all_bad boots [detached HEAD 9388496] Revert "kbuild: Increase kallsyms max symbol length" 1 file changed, 1 insertion(+), 1 deletion(-) ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i005-1108/linux-devel:devel-inn-i386-201311081714:9388496f314901ac8ca155e8558d5dc5dbe39d0d:bisect-mmotm 2013-11-09-15:08:48 9388496f314901ac8ca155e8558d5dc5dbe39d0d compiling 2013-11-09-15:15:20 detecting boot state 3.12.0-01288-g9388496.. 1... 2. 3 4 5 7 8.... 9 10 11 12 13 15 17. 18 22 23 25 31 34 45 50 54 58 60 SUCCESS ========= upstream ========= Fetching linus ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i005-1108/linux-devel:devel-inn-i386-201311081714:6c86ae2928f9e4cbf0d5844f5fcfd549e3450b8c:bisect-mmotm 2013-11-09-15:33:39 6c86ae2928f9e4cbf0d5844f5fcfd549e3450b8c reuse /kernel/i386-randconfig-i005-1108/6c86ae2928f9e4cbf0d5844f5fcfd549e3450b8c/vmlinuz-3.12.0-01915-g6c86ae2 2013-11-09-15:33:39 detecting boot state 10 13 16 20 23 25 27 29 33 37 44 48 53 55 60 SUCCESS ========= linux-next ========= Fetching next ls -a /kernel-tests/run-queue/kvm/i386-randconfig-i005-1108/linux-devel:devel-inn-i386-201311081714:bad570d77024cba808126d68a2072f6f8ce64c27:bisect-mmotm 2013-11-09-15:41:17 bad570d77024cba808126d68a2072f6f8ce64c27 compiling 2013-11-09-15:44:42 bad570d77024cba808126d68a2072f6f8ce64c27 SKIP BROKEN BUILD Check erros in /cc/wfg/mmotm-bisect and /tmp/kernel/i386-randconfig-i005-1108/bad570d77024cba808126d68a2072f6f8ce64c27