git checkout 5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52 Previous HEAD position was 65a52a4e... Merge 'drm-intel/drm-intel-nightly' into devel-xian-x86_64-201311081746 HEAD is now at 5e01dc7... Linux 3.12 ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-x7-1108/linux-devel:devel-xian-x86_64-201311081746:5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52:bisect-mm SUCCESS bisect: good commit 5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52 git bisect start 65a52a4ea1f334e61fe0178fc2a87c3f3e5c62a8 5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52 -- Previous HEAD position was 5e01dc7... Linux 3.12 HEAD is now at 3c0eee3... Linux 2.6.37 Bisecting: 1241 revisions left to test after this (roughly 10 steps) [ba275241030cfe87b87d6592345c7e7ebd9b6fba] virtio-net: coalesce rx frags when possible during rx git bisect run /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mm/obj-bisect running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mm/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-x7-1108/linux-devel:devel-xian-x86_64-201311081746:ba275241030cfe87b87d6592345c7e7ebd9b6fba:bisect-mm 2013-11-09-11:07:19 ba275241030cfe87b87d6592345c7e7ebd9b6fba compiling 1113 real 1419 user 136 sys 139.67% cpu x86_64-randconfig-x7-1108 2013-11-09-11:33:37 detecting boot state 3.12.0-01173-gba27524... 1.... 2 3. 4 5. 6 7. 8. 11 12 13. 15. 17 18 19.. 20 SUCCESS Bisecting: 642 revisions left to test after this (roughly 9 steps) [24d70dca6f3c9261aa9cf85252b02e4044ea0822] Merge remote-tracking branch 'drm-upstream/drm-next' into drm-intel-nightly running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mm/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-x7-1108/linux-devel:devel-xian-x86_64-201311081746:24d70dca6f3c9261aa9cf85252b02e4044ea0822:bisect-mm 2013-11-09-11:49:10 24d70dca6f3c9261aa9cf85252b02e4044ea0822 compiling 327 real 1330 user 132 sys 447.41% cpu x86_64-randconfig-x7-1108 2013-11-09-11:55:12 detecting boot state 3.12.0-00599-g24d70dc... 16 20 SUCCESS Bisecting: 321 revisions left to test after this (roughly 8 steps) [1e7d30355d91c70e2557daf3dac633255202d2df] rt2x00: rt2800pci: split rt2800pci_enable_radio function running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mm/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-x7-1108/linux-devel:devel-xian-x86_64-201311081746:1e7d30355d91c70e2557daf3dac633255202d2df:bisect-mm 2013-11-09-11:57:48 1e7d30355d91c70e2557daf3dac633255202d2df compiling 269 real 1454 user 139 sys 590.40% cpu x86_64-randconfig-x7-1108 2013-11-09-12:09:53 detecting boot state 3.12.0-rc1-00843-g1e7d303... 5 9 12 13. 16 18 20 SUCCESS Bisecting: 145 revisions left to test after this (roughly 7 steps) [eed5e6cb394511c3324b88a25da8cef7938b3e30] Merge 'bluetooth/master' into devel-xian-x86_64-201311081746 running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mm/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-x7-1108/linux-devel:devel-xian-x86_64-201311081746:eed5e6cb394511c3324b88a25da8cef7938b3e30:bisect-mm 2013-11-09-12:15:28 eed5e6cb394511c3324b88a25da8cef7938b3e30 compiling 534 real 1465 user 137 sys 300.03% cpu x86_64-randconfig-x7-1108 2013-11-09-12:27:36 detecting boot state 3.12.0-00387-geed5e6c. TEST FAILURE [ 1.993461] AVX instructions are not detected. [ 1.994475] AVX instructions are not detected. [ 1.999074] Initializing RT-Tester: OK [ 2.067647] general protection fault: 0000 [#1] PREEMPT DEBUG_PAGEALLOC [ 2.068011] Modules linked in: [ 2.068011] CPU: 0 PID: 1 Comm: swapper Not tainted 3.12.0-00387-geed5e6c #485 [ 2.068011] task: ffff88000ec64040 ti: ffff88000ec66000 task.ti: ffff88000ec66000 [ 2.068011] RIP: 0010:[] [] kernel_init_freeable+0x140/0x1d3 [ 2.068011] RSP: 0000:ffff88000ec67f18 EFLAGS: 00010287 [ 2.068011] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000000000 [ 2.068011] RDX: 0000000000000000 RSI: ffffffff81882590 RDI: ffffffff818855d8 [ 2.068011] RBP: ffff88000ec67f38 R08: 0000000000000000 R09: 0000000000000000 [ 2.068011] R10: 0000000000000000 R11: 0000000000000000 R12: ff00ffff819db858 [ 2.068011] R13: 000000000000017c R14: 0000000000000000 R15: 0000000000000000 [ 2.068011] FS: 0000000000000000(0000) GS:ffffffff81855000(0000) knlGS:0000000000000000 [ 2.068011] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 2.068011] CR2: 0000000000000000 CR3: 0000000001845000 CR4: 00000000000006b0 [ 2.068011] Stack: [ 2.068011] ffffffff8193b6a3 ffffffff814f1a18 0000000000000000 0000000000000000 [ 2.068011] ffff88000ec67f48 ffffffff814f1a21 0000000000000000 ffffffff8150584a [ 2.068011] 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 2.068011] Call Trace: [ 2.068011] [] ? do_early_param+0x88/0x88 [ 2.068011] [] ? rest_init+0xbc/0xbc [ 2.068011] [] kernel_init+0x9/0xcc [ 2.068011] [] ret_from_fork+0x7a/0xb0 [ 2.068011] [] ? rest_init+0xbc/0xbc [ 2.068011] Code: 81 41 89 d9 41 89 d8 44 89 e9 48 c7 c2 18 2f 83 81 48 89 c6 e8 9f f5 73 ff 4c 8b 24 dd 60 98 9b 81 4c 3b 24 dd 68 98 9b 81 73 0f <49> 8b 3c 24 49 83 c4 08 e8 44 43 6c ff eb e7 48 ff c3 eb 96 e8 [ 2.068011] RIP [] kernel_init_freeable+0x140/0x1d3 [ 2.068011] RSP [ 2.158276] ---[ end trace 731b7ba693d99397 ]--- [ 2.159336] Kernel panic - not syncing: Fatal exception /kernel/x86_64-randconfig-x7-1108/eed5e6cb394511c3324b88a25da8cef7938b3e30/dmesg-yocto-lkp-tt02-7:20131109031832:x86_64-randconfig-x7-1108:3.12.0-00387-geed5e6c:485 /kernel/x86_64-randconfig-x7-1108/eed5e6cb394511c3324b88a25da8cef7938b3e30/dmesg-yocto-lkp-st01-6:20131109202331:x86_64-randconfig-x7-1108:3.12.0-00387-geed5e6c:485 /kernel/x86_64-randconfig-x7-1108/eed5e6cb394511c3324b88a25da8cef7938b3e30/dmesg-yocto-xgwo-1:20131109202515:x86_64-randconfig-x7-1108:3.12.0-00387-geed5e6c:485 /kernel/x86_64-randconfig-x7-1108/eed5e6cb394511c3324b88a25da8cef7938b3e30/dmesg-yocto-roam-26:20131109122804:x86_64-randconfig-x7-1108:3.12.0-00387-geed5e6c:485 0:4:4 all_good:bad:all_bad boots REPEAT COUNT: 20 # /cc/wfg/mm-bisect/.repeat Bisecting: 87 revisions left to test after this (roughly 7 steps) [7751ef1b3184ecfaebc5e5a8981407814ce0be0b] Bluetooth: Check for flag instead of features in update_scan_rsp_data() running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mm/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-x7-1108/linux-devel:devel-xian-x86_64-201311081746:7751ef1b3184ecfaebc5e5a8981407814ce0be0b:bisect-mm 2013-11-09-12:28:12 7751ef1b3184ecfaebc5e5a8981407814ce0be0b compiling 282 real 1436 user 138 sys 557.77% cpu x86_64-randconfig-x7-1108 2013-11-09-12:36:03 detecting boot state 3.11.0-07699-g7751ef1.. 11 19.. 20 SUCCESS Bisecting: 43 revisions left to test after this (roughly 6 steps) [37d1c5fc2dd80db8c084e5c3d324cb92dd6e5a94] Merge branches 'kbuild/kbuild' and 'kbuild/misc' into kbuild/for-next running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mm/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-x7-1108/linux-devel:devel-xian-x86_64-201311081746:37d1c5fc2dd80db8c084e5c3d324cb92dd6e5a94:bisect-mm 2013-11-09-12:39:37 37d1c5fc2dd80db8c084e5c3d324cb92dd6e5a94 compiling 217 real 1442 user 141 sys 729.10% cpu x86_64-randconfig-x7-1108 2013-11-09-12:43:49 detecting boot state 3.12.0-rc1-00045-g37d1c5f. TEST FAILURE [ 2.036452] AVX instructions are not detected. [ 2.037676] AVX instructions are not detected. [ 2.040554] Initializing RT-Tester: OK [ 2.066262] general protection fault: 0000 [#1] PREEMPT DEBUG_PAGEALLOC [ 2.068021] Modules linked in: [ 2.068021] CPU: 0 PID: 1 Comm: swapper Not tainted 3.12.0-rc1-00045-g37d1c5f #487 [ 2.068021] task: ffff88000d864040 ti: ffff88000d866000 task.ti: ffff88000d866000 [ 2.068021] RIP: 0010:[] [] kernel_init_freeable+0x140/0x1ce [ 2.068021] RSP: 0000:ffff88000d867f18 EFLAGS: 00010287 [ 2.068021] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000000000 [ 2.068021] RDX: 0000000000000000 RSI: ffffffff8187c510 RDI: ffffffff8187f558 [ 2.068021] RBP: ffff88000d867f38 R08: 0000000000000000 R09: 0000000000000000 [ 2.068021] R10: 0000000000000000 R11: 0000000000000000 R12: ff00ffff819d4848 [ 2.068021] R13: 000000000000017c R14: 0000000000000000 R15: 0000000000000000 [ 2.068021] FS: 0000000000000000(0000) GS:ffffffff8184f000(0000) knlGS:0000000000000000 [ 2.068021] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 2.068021] CR2: 0000000000000000 CR3: 000000000183f000 CR4: 00000000000006b0 [ 2.068021] Stack: [ 2.068021] ffffffff819346a3 ffffffff814ed9e8 0000000000000000 0000000000000000 [ 2.068021] ffff88000d867f48 ffffffff814ed9f1 0000000000000000 ffffffff8150187a [ 2.068021] 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 2.068021] Call Trace: [ 2.068021] [] ? do_early_param+0x88/0x88 [ 2.068021] [] ? rest_init+0xbc/0xbc [ 2.068021] [] kernel_init+0x9/0xcc [ 2.068021] [] ret_from_fork+0x7a/0xb0 [ 2.068021] [] ? rest_init+0xbc/0xbc [ 2.068021] Code: 81 41 89 d9 41 89 d8 44 89 e9 48 c7 c2 f8 b8 82 81 48 89 c6 e8 51 65 74 ff 4c 8b 24 dd 60 28 9b 81 4c 3b 24 dd 68 28 9b 81 73 0f <49> 8b 3c 24 49 83 c4 08 e8 44 b3 6c ff eb e7 48 ff c3 eb 96 31 [ 2.068021] RIP [] kernel_init_freeable+0x140/0x1ce [ 2.068021] RSP [ 2.116328] ---[ end trace 9efde962688c9b1c ]--- [ 2.117547] Kernel panic - not syncing: Fatal exception /kernel/x86_64-randconfig-x7-1108/37d1c5fc2dd80db8c084e5c3d324cb92dd6e5a94/dmesg-quantal-athens-16:20131109124403:x86_64-randconfig-x7-1108:3.12.0-rc1-00045-g37d1c5f:487 /kernel/x86_64-randconfig-x7-1108/37d1c5fc2dd80db8c084e5c3d324cb92dd6e5a94/dmesg-quantal-roam-37:20131109124402:x86_64-randconfig-x7-1108:3.12.0-rc1-00045-g37d1c5f:487 0:2:2 all_good:bad:all_bad boots REPEAT COUNT: 20 # /cc/wfg/mm-bisect/.repeat Bisecting: 21 revisions left to test after this (roughly 5 steps) [32f1b13973cc51c7ee96bf10343391f16a2de761] Merge v3.12-rc1 into kbuild/for-next running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mm/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-x7-1108/linux-devel:devel-xian-x86_64-201311081746:32f1b13973cc51c7ee96bf10343391f16a2de761:bisect-mm 2013-11-09-12:44:24 32f1b13973cc51c7ee96bf10343391f16a2de761 compiling 296 real 1467 user 142 sys 543.94% cpu x86_64-randconfig-x7-1108 2013-11-09-12:50:04 detecting boot state 3.12.0-rc1-00022-g32f1b13.. 3 20 SUCCESS Bisecting: 12 revisions left to test after this (roughly 4 steps) [e125096e733e966e055ee6033169f68233f9bf9c] Merge branch 'yem/kconfig-for-next' of git://gitorious.org/linux-kconfig/linux-kconfig into kbuild/kconfig running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mm/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-x7-1108/linux-devel:devel-xian-x86_64-201311081746:e125096e733e966e055ee6033169f68233f9bf9c:bisect-mm 2013-11-09-12:52:05 e125096e733e966e055ee6033169f68233f9bf9c compiling 180 real 103 user 18 sys 67.46% cpu x86_64-randconfig-x7-1108 2013-11-09-12:57:00 detecting boot state 3.12.0-rc1-00009-ge125096... 17 20 SUCCESS Bisecting: 6 revisions left to test after this (roughly 3 steps) [86dd0b57e56d1db84a18761819aab80f2e6734f5] Merge branches 'kbuild/kbuild' and 'kbuild/misc' into kbuild/for-next running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/mm/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-x7-1108/linux-devel:devel-xian-x86_64-201311081746:86dd0b57e56d1db84a18761819aab80f2e6734f5:bisect-mm 2013-11-09-12:59:34 86dd0b57e56d1db84a18761819aab80f2e6734f5 compiling 570 real 1470 user 137 sys 281.73% cpu x86_64-randconfig-x7-1108 2013-11-09-13:13:32 detecting boot state 3.12.0-rc1-00029-g86dd0b5.. 1 3. 5 6. 7 10. 13 15. 17 19....... 20 SUCCESS Bisecting: 3 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/mm/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-x7-1108/linux-devel:devel-xian-x86_64-201311081746:21cf6e584ce35b79374581e6344dd7c74f8b4a2b:bisect-mm 2013-11-09-13:25:37 21cf6e584ce35b79374581e6344dd7c74f8b4a2b compiling 58 real 261 user 29 sys 498.34% cpu x86_64-randconfig-x7-1108 2013-11-09-13:27:41 detecting boot state 3.12.0-rc1-00004-g21cf6e5. TEST FAILURE [ 2.025652] AVX instructions are not detected. [ 2.026737] AVX instructions are not detected. [ 2.029475] Initializing RT-Tester: OK [ 2.055007] general protection fault: 0000 [#1] PREEMPT DEBUG_PAGEALLOC [ 2.056023] Modules linked in: [ 2.056023] CPU: 0 PID: 1 Comm: swapper Not tainted 3.12.0-rc1-00004-g21cf6e5 #491 [ 2.056023] task: ffff88000d864040 ti: ffff88000d866000 task.ti: ffff88000d866000 [ 2.056023] RIP: 0010:[] [] kernel_init_freeable+0x140/0x1ce [ 2.056023] RSP: 0000:ffff88000d867f18 EFLAGS: 00010287 [ 2.056023] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000000000 [ 2.056023] RDX: 0000000000000000 RSI: ffffffff8187c510 RDI: ffffffff8187f558 [ 2.056023] RBP: ffff88000d867f38 R08: 0000000000000000 R09: 0000000000000000 [ 2.056023] R10: 0000000000000000 R11: 0000000000000000 R12: ff00ffff819d4848 [ 2.056023] R13: 000000000000017c R14: 0000000000000000 R15: 0000000000000000 [ 2.056023] FS: 0000000000000000(0000) GS:ffffffff8184f000(0000) knlGS:0000000000000000 [ 2.056023] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 2.056023] CR2: 0000000000000000 CR3: 000000000183f000 CR4: 00000000000006b0 [ 2.056023] Stack: [ 2.056023] ffffffff819346a3 ffffffff814ed9e8 0000000000000000 0000000000000000 [ 2.056023] ffff88000d867f48 ffffffff814ed9f1 0000000000000000 ffffffff8150187a [ 2.056023] 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 2.056023] Call Trace: [ 2.056023] [] ? do_early_param+0x88/0x88 [ 2.056023] [] ? rest_init+0xbc/0xbc [ 2.056023] [] kernel_init+0x9/0xcc [ 2.056023] [] ret_from_fork+0x7a/0xb0 [ 2.056023] [] ? rest_init+0xbc/0xbc [ 2.056023] Code: 81 41 89 d9 41 89 d8 44 89 e9 48 c7 c2 f8 b8 82 81 48 89 c6 e8 51 65 74 ff 4c 8b 24 dd 60 28 9b 81 4c 3b 24 dd 68 28 9b 81 73 0f <49> 8b 3c 24 49 83 c4 08 e8 44 b3 6c ff eb e7 48 ff c3 eb 96 31 [ 2.056023] RIP [] kernel_init_freeable+0x140/0x1ce [ 2.056023] RSP [ 2.103640] ---[ end trace cffa5c678c43070c ]--- [ 2.104824] Kernel panic - not syncing: Fatal exception /kernel/x86_64-randconfig-x7-1108/21cf6e584ce35b79374581e6344dd7c74f8b4a2b/dmesg-quantal-xian-42:20131109132758:x86_64-randconfig-x7-1108:3.12.0-rc1-00004-g21cf6e5:491 0:1:1 all_good:bad:all_bad boots REPEAT COUNT: 20 # /cc/wfg/mm-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/mm/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-x7-1108/linux-devel:devel-xian-x86_64-201311081746:f3462aa952cfc8f4b095103cb9b3d306dd216558:bisect-mm 2013-11-09-13:28:13 f3462aa952cfc8f4b095103cb9b3d306dd216558 compiling 42 real 101 user 18 sys 284.43% cpu x86_64-randconfig-x7-1108 2013-11-09-13:29:11 detecting boot state 3.12.0-rc1-00003-gf3462aa... TEST FAILURE [ 0.488328] AVX instructions are not detected. [ 0.488885] AVX instructions are not detected. [ 0.490554] Initializing RT-Tester: OK [ 0.509291] general protection fault: 0000 [#1] PREEMPT DEBUG_PAGEALLOC [ 0.510186] Modules linked in: [ 0.510586] CPU: 0 PID: 1 Comm: swapper Not tainted 3.12.0-rc1-00003-gf3462aa #492 [ 0.511513] task: ffff88000ec64040 ti: ffff88000ec66000 task.ti: ffff88000ec66000 [ 0.512009] RIP: 0010:[] [] kernel_init_freeable+0x140/0x1ce [ 0.512009] RSP: 0000:ffff88000ec67f18 EFLAGS: 00010287 [ 0.512009] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000000000 [ 0.512009] RDX: 0000000000000000 RSI: ffffffff8187c510 RDI: ffffffff8187f558 [ 0.512009] RBP: ffff88000ec67f38 R08: 0000000000000000 R09: 0000000000000000 [ 0.512009] R10: 0000000000000000 R11: 0000000000000000 R12: ff00ffff819d4848 [ 0.512009] R13: 000000000000017c R14: 0000000000000000 R15: 0000000000000000 [ 0.512009] FS: 0000000000000000(0000) GS:ffffffff8184f000(0000) knlGS:0000000000000000 [ 0.512009] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 0.512009] CR2: 0000000000000000 CR3: 000000000183f000 CR4: 00000000000006b0 [ 0.512009] Stack: [ 0.512009] ffffffff819346a3 ffffffff814ed9e8 0000000000000000 0000000000000000 [ 0.512009] ffff88000ec67f48 ffffffff814ed9f1 0000000000000000 ffffffff8150187a [ 0.512009] 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 0.512009] Call Trace: [ 0.512009] [] ? do_early_param+0x88/0x88 [ 0.512009] [] ? rest_init+0xbc/0xbc [ 0.512009] [] kernel_init+0x9/0xcc [ 0.512009] [] ret_from_fork+0x7a/0xb0 [ 0.512009] [] ? rest_init+0xbc/0xbc [ 0.512009] Code: 81 41 89 d9 41 89 d8 44 89 e9 48 c7 c2 f8 b8 82 81 48 89 c6 e8 51 65 74 ff 4c 8b 24 dd 60 28 9b 81 4c 3b 24 dd 68 28 9b 81 73 0f <49> 8b 3c 24 49 83 c4 08 e8 44 b3 6c ff eb e7 48 ff c3 eb 96 31 [ 0.512009] RIP [] kernel_init_freeable+0x140/0x1ce [ 0.512009] RSP [ 0.532737] ---[ end trace 4acab966be6c2520 ]--- [ 0.533327] Kernel panic - not syncing: Fatal exception /kernel/x86_64-randconfig-x7-1108/f3462aa952cfc8f4b095103cb9b3d306dd216558/dmesg-yocto-xian-5:20131109133032:x86_64-randconfig-x7-1108:3.12.0-rc1-00003-gf3462aa:492 0:1:1 all_good:bad:all_bad boots REPEAT COUNT: 20 # /cc/wfg/mm-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/mm/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-x7-1108/linux-devel:devel-xian-x86_64-201311081746:eea0e9cbb9e65cd553d302a4aefd4c7b70d9fd90:bisect-mm 2013-11-09-13:30:47 eea0e9cbb9e65cd553d302a4aefd4c7b70d9fd90 compiling 67 real 104 user 20 sys 184.97% cpu x86_64-randconfig-x7-1108 2013-11-09-13:34:32 detecting boot state 3.12.0-rc1-00002-geea0e9c.... TEST FAILURE [ 0.755503] AVX instructions are not detected. [ 0.756893] AVX instructions are not detected. [ 0.759795] Initializing RT-Tester: OK [ 0.786128] general protection fault: 0000 [#1] PREEMPT DEBUG_PAGEALLOC [ 0.788022] Modules linked in: [ 0.788022] CPU: 0 PID: 1 Comm: swapper Not tainted 3.12.0-rc1-00002-geea0e9c #493 [ 0.788022] task: ffff88000ec64040 ti: ffff88000ec66000 task.ti: ffff88000ec66000 [ 0.788022] RIP: 0010:[] [] kernel_init_freeable+0x140/0x1ce [ 0.788022] RSP: 0000:ffff88000ec67f18 EFLAGS: 00010287 [ 0.788022] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000000000 [ 0.788022] RDX: 0000000000000000 RSI: ffffffff8187c510 RDI: ffffffff8187f558 [ 0.788022] RBP: ffff88000ec67f38 R08: 0000000000000000 R09: 0000000000000000 [ 0.788022] R10: 0000000000000000 R11: 0000000000000000 R12: ff00ffff819d4848 [ 0.788022] R13: 000000000000017c R14: 0000000000000000 R15: 0000000000000000 [ 0.788022] FS: 0000000000000000(0000) GS:ffffffff8184f000(0000) knlGS:0000000000000000 [ 0.788022] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 0.788022] CR2: 0000000000000000 CR3: 000000000183f000 CR4: 00000000000006b0 [ 0.788022] Stack: [ 0.788022] ffffffff819346a3 ffffffff814ed9e8 0000000000000000 0000000000000000 [ 0.788022] ffff88000ec67f48 ffffffff814ed9f1 0000000000000000 ffffffff8150187a [ 0.788022] 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 0.788022] Call Trace: [ 0.788022] [] ? do_early_param+0x88/0x88 [ 0.788022] [] ? rest_init+0xbc/0xbc [ 0.788022] [] kernel_init+0x9/0xcc [ 0.788022] [] ret_from_fork+0x7a/0xb0 [ 0.788022] [] ? rest_init+0xbc/0xbc [ 0.788022] Code: 81 41 89 d9 41 89 d8 44 89 e9 48 c7 c2 f8 b8 82 81 48 89 c6 e8 51 65 74 ff 4c 8b 24 dd 60 28 9b 81 4c 3b 24 dd 68 28 9b 81 73 0f <49> 8b 3c 24 49 83 c4 08 e8 44 b3 6c ff eb e7 48 ff c3 eb 96 31 [ 0.788022] RIP [] kernel_init_freeable+0x140/0x1ce [ 0.788022] RSP [ 0.840767] ---[ end trace 852b8195656a8e8f ]--- [ 0.842157] Kernel panic - not syncing: Fatal exception /kernel/x86_64-randconfig-x7-1108/eea0e9cbb9e65cd553d302a4aefd4c7b70d9fd90/dmesg-yocto-cairo-39:20131109133605:x86_64-randconfig-x7-1108:3.12.0-rc1-00002-geea0e9c:493 0:1:1 all_good:bad:all_bad boots REPEAT COUNT: 20 # /cc/wfg/mm-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/x86_64-randconfig-x7-1108/linux-devel:devel-xian-x86_64-201311081746:80970472179a45609c0b11b80619bc8c32b15f77:bisect-mm 2013-11-09-13:36:34 80970472179a45609c0b11b80619bc8c32b15f77 compiling 2013-11-09-13:37:41 detecting boot state 3.12.0-rc1-00001-g8097047.... 1... 2..... 3... 4.... 5 6. 7.. 8... 9. 10 12....... 13.. 14. 16. 18.... 19 21 25 28 29 30 34 36 38 39 40 41 43 44.. 46. 47 49...... 51 55... 56... 57. 59 60 SUCCESS ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-x7-1108/linux-devel:devel-xian-x86_64-201311081746:65a52a4ea1f334e61fe0178fc2a87c3f3e5c62a8:bisect-mm TEST FAILURE [ 4.357259] AVX instructions are not detected. [ 4.358332] AVX instructions are not detected. [ 4.372419] Initializing RT-Tester: OK [ 4.433189] general protection fault: 0000 [#1] PREEMPT DEBUG_PAGEALLOC [ 4.434949] Modules linked in: [ 4.435728] CPU: 0 PID: 1 Comm: swapper Not tainted 3.12.0-02415-g65a52a4e #73 [ 4.436879] task: ffff88000d864040 ti: ffff88000d866000 task.ti: ffff88000d866000 [ 4.436879] RIP: 0010:[] [] kernel_init_freeable+0x140/0x1d3 [ 4.436879] RSP: 0000:ffff88000d867f18 EFLAGS: 00010287 [ 4.436879] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000000000 [ 4.436879] RDX: 0000000000000000 RSI: ffffffff81888590 RDI: ffffffff8188b5d8 [ 4.436879] RBP: ffff88000d867f38 R08: 0000000000000000 R09: 0000000000000000 [ 4.436879] R10: 0000000000000000 R11: 0000000000000000 R12: ff00ffff819e2a98 [ 4.436879] R13: 000000000000017c R14: 0000000000000000 R15: 0000000000000000 [ 4.436879] FS: 0000000000000000(0000) GS:ffffffff8185b000(0000) knlGS:0000000000000000 [ 4.436879] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 4.436879] CR2: 0000000000000000 CR3: 000000000184b000 CR4: 00000000000006b0 [ 4.436879] Stack: [ 4.436879] ffffffff819416a3 ffffffff814f1d68 0000000000000000 0000000000000000 [ 4.436879] ffff88000d867f48 ffffffff814f1d71 0000000000000000 ffffffff81505b8a [ 4.436879] 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 4.436879] Call Trace: [ 4.436879] [] ? do_early_param+0x88/0x88 [ 4.436879] [] ? rest_init+0xbc/0xbc [ 4.436879] [] kernel_init+0x9/0xcc [ 4.436879] [] ret_from_fork+0x7a/0xb0 [ 4.436879] [] ? rest_init+0xbc/0xbc [ 4.436879] Code: 81 41 89 d9 41 89 d8 44 89 e9 48 c7 c2 f8 74 83 81 48 89 c6 e8 9f 95 73 ff 4c 8b 24 dd 60 08 9c 81 4c 3b 24 dd 68 08 9c 81 73 0f <49> 8b 3c 24 49 83 c4 08 e8 44 e3 6b ff eb e7 48 ff c3 eb 96 e8 [ 4.436879] RIP [] kernel_init_freeable+0x140/0x1d3 [ 4.436879] RSP [ 4.517231] ---[ end trace ebccb41f123175e3 ]--- [ 4.518314] Kernel panic - not syncing: Fatal exception /kernel/x86_64-randconfig-x7-1108/65a52a4ea1f334e61fe0178fc2a87c3f3e5c62a8/dmesg-yocto-lkp-tt02-9:20131108090107:x86_64-randconfig-x7-1108:3.12.0-02415-g65a52a4e:73 /kernel/x86_64-randconfig-x7-1108/65a52a4ea1f334e61fe0178fc2a87c3f3e5c62a8/dmesg-quantal-roam-3:20131109110806:x86_64-randconfig-x7-1108:3.12.0-02415-g65a52a4e:73 /kernel/x86_64-randconfig-x7-1108/65a52a4ea1f334e61fe0178fc2a87c3f3e5c62a8/dmesg-quantal-lkp-tt02-11:20131108090138:x86_64-randconfig-x7-1108:3.12.0-02415-g65a52a4e:73 /kernel/x86_64-randconfig-x7-1108/65a52a4ea1f334e61fe0178fc2a87c3f3e5c62a8/dmesg-quantal-lkp-tt02-1:20131109015654:x86_64-randconfig-x7-1108:3.12.0-02415-g65a52a4e:73 /kernel/x86_64-randconfig-x7-1108/65a52a4ea1f334e61fe0178fc2a87c3f3e5c62a8/dmesg-yocto-athens-11:20131109110611:x86_64-randconfig-x7-1108:3.12.0-02415-g65a52a4e:73 /kernel/x86_64-randconfig-x7-1108/65a52a4ea1f334e61fe0178fc2a87c3f3e5c62a8/dmesg-quantal-bens-2:20131109110729:x86_64-randconfig-x7-1108:3.12.0-02415-g65a52a4e:73 /kernel/x86_64-randconfig-x7-1108/65a52a4ea1f334e61fe0178fc2a87c3f3e5c62a8/dmesg-yocto-stoakley-5:20131108181127:x86_64-randconfig-x7-1108:3.12.0-02415-g65a52a4e:73 /kernel/x86_64-randconfig-x7-1108/65a52a4ea1f334e61fe0178fc2a87c3f3e5c62a8/dmesg-quantal-lkp-st01-12:20131109190239:x86_64-randconfig-x7-1108:3.12.0-02415-g65a52a4e:73 /kernel/x86_64-randconfig-x7-1108/65a52a4ea1f334e61fe0178fc2a87c3f3e5c62a8/dmesg-yocto-lkp-tt02-7:20131109015822:x86_64-randconfig-x7-1108:3.12.0-02415-g65a52a4e:73 /kernel/x86_64-randconfig-x7-1108/65a52a4ea1f334e61fe0178fc2a87c3f3e5c62a8/dmesg-quantal-lkp-tt02-23:20131108090107:x86_64-randconfig-x7-1108:3.12.0-02415-g65a52a4e:73 /kernel/x86_64-randconfig-x7-1108/65a52a4ea1f334e61fe0178fc2a87c3f3e5c62a8/dmesg-yocto-lkp-tt02-7:20131108090130:x86_64-randconfig-x7-1108:3.12.0-02415-g65a52a4e:73 /kernel/x86_64-randconfig-x7-1108/65a52a4ea1f334e61fe0178fc2a87c3f3e5c62a8/dmesg-quantal-lkp-tt02-19:20131109015725:x86_64-randconfig-x7-1108:3.12.0-02415-g65a52a4e:73 /kernel/x86_64-randconfig-x7-1108/65a52a4ea1f334e61fe0178fc2a87c3f3e5c62a8/dmesg-yocto-roam-33:20131109110709:x86_64-randconfig-x7-1108:3.12.0-02415-g65a52a4e:73 /kernel/x86_64-randconfig-x7-1108/65a52a4ea1f334e61fe0178fc2a87c3f3e5c62a8/dmesg-yocto-lkp-st01-6:20131109020727:x86_64-randconfig-x7-1108:3.12.0-02415-g65a52a4e:73 /kernel/x86_64-randconfig-x7-1108/65a52a4ea1f334e61fe0178fc2a87c3f3e5c62a8/dmesg-quantal-lkp-tt02-12:20131108090137:x86_64-randconfig-x7-1108:3.12.0-02415-g65a52a4e:73 /kernel/x86_64-randconfig-x7-1108/65a52a4ea1f334e61fe0178fc2a87c3f3e5c62a8/dmesg-quantal-xgwo-3:20131109020836:x86_64-randconfig-x7-1108:3.12.0-02415-g65a52a4e:73 /kernel/x86_64-randconfig-x7-1108/65a52a4ea1f334e61fe0178fc2a87c3f3e5c62a8/dmesg-yocto-bens-3:20131109110530:x86_64-randconfig-x7-1108:3.12.0-02415-g65a52a4e:73 /kernel/x86_64-randconfig-x7-1108/65a52a4ea1f334e61fe0178fc2a87c3f3e5c62a8/dmesg-yocto-snb-44:20131109110517:x86_64-randconfig-x7-1108:3.12.0-02415-g65a52a4e:73 /kernel/x86_64-randconfig-x7-1108/65a52a4ea1f334e61fe0178fc2a87c3f3e5c62a8/dmesg-yocto-xgwo-5:20131109020900:x86_64-randconfig-x7-1108:3.12.0-02415-g65a52a4e:73 0:19:19 all_good:bad:all_bad boots [detached HEAD 4364aab] Revert "kbuild: Increase kallsyms max symbol length" 1 file changed, 1 insertion(+), 1 deletion(-) ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-x7-1108/linux-devel:devel-xian-x86_64-201311081746:4364aab74a616ea2c94951bcff0290db74f49fac:bisect-mm 2013-11-09-14:25:23 4364aab74a616ea2c94951bcff0290db74f49fac compiling 2013-11-09-14:31:58 detecting boot state 3.12.0-02416-g4364aab..... 1 3 4. 7 8.. 11 12. 13. 15.. 16 17 18... 19 20 23 26 30 32 34 35 39 44 50 60 SUCCESS ========= upstream ========= Fetching linus ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-x7-1108/linux-devel:devel-xian-x86_64-201311081746:6c86ae2928f9e4cbf0d5844f5fcfd549e3450b8c:bisect-mm 2013-11-09-14:51:36 6c86ae2928f9e4cbf0d5844f5fcfd549e3450b8c compiling 2013-11-09-14:55:41 detecting boot state 3.12.0-01915-g6c86ae2... 13 18 27 32 36 42 47 49 51 52 54 55 56 57.. 58 59. 60 SUCCESS ========= linux-next ========= Fetching next ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-x7-1108/linux-devel:devel-xian-x86_64-201311081746:bad570d77024cba808126d68a2072f6f8ce64c27:bisect-mm 2013-11-09-15:07:41 bad570d77024cba808126d68a2072f6f8ce64c27 compiling 2013-11-09-15:11:50 detecting boot state 3.12.0-next-20131108.... 2 3.. 4 5 6. 8 10. 12 13 15 17. 20 21. 22 23 24. 26 37 39 40 44 47 50 52 54 56 60 SUCCESS