git checkout 71cc615a91a49d83e839c4b46f1f001ccd88e21f HEAD is now at 71cc615... Merge remote-tracking branch 'aio/master' ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r9-1107/next:master:71cc615a91a49d83e839c4b46f1f001ccd88e21f:bisect-usb TEST FAILURE [ 1.895860] The force parameter has not been set to 1. The Iris poweroff handler will not be installed. [ 1.899029] audit: initializing netlink socket (disabled) [ 1.900259] type=2000 audit(1383814477.968:1): initialized [ 1.926085] BUG: unable to handle kernel NULL pointer dereference at (null) [ 1.927344] IP: [<415218f4>] init_mm+0x0/0x210 [ 1.928101] *pde = 00000000 [ 1.928594] Oops: 0002 [#1] PREEMPT SMP DEBUG_PAGEALLOC [ 1.929543] Modules linked in: [ 1.930041] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 3.12.0-09952-g71cc615 #916 [ 1.930041] task: 4d41b440 ti: 4d428000 task.ti: 4d428000 [ 1.930041] EIP: 0060:[<415218f4>] EFLAGS: 00010206 CPU: 1 [ 1.930041] EIP is at init_mm+0x0/0x210 [ 1.930041] EAX: 00000000 EBX: 000000ae ECX: 00000000 EDX: 00000001 [ 1.930041] ESI: 00000006 EDI: 00000006 EBP: 41558416 ESP: 4d429f94 [ 1.930041] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 1.930041] CR0: 8005003b CR2: 00000000 CR3: 015b0000 CR4: 000006d0 [ 1.930041] Stack: [ 1.930041] 4d41b440 4e4ed440 4d429fac 41339741 415218f4 4d42bf88 4d428000 41348177 [ 1.930041] 41339736 00000000 00000000 00000000 00000000 00000000 00000000 0000007b [ 1.930041] 0000007b 000000d8 00000000 ffffffff 00000000 00000060 00000202 00000000 [ 1.930041] Call Trace: [ 1.930041] [<41339741>] ? kernel_init+0xb/0xc3 [ 1.930041] [<41348177>] ? ret_from_kernel_thread+0x1b/0x28 [ 1.930041] [<41339736>] ? rest_init+0xb6/0xb6 [ 1.930041] Code: 2a 49 41 38 91 40 4d f8 b6 4b 4d 06 06 00 00 ad 4e ad de ff ff ff ff ff ff ff ff e4 18 52 41 88 7f 70 41 00 00 00 00 61 2a 49 41 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 1.930041] EIP: [<415218f4>] init_mm+0x0/0x210 SS:ESP 0068:4d429f94 [ 1.930041] CR2: 0000000000000000 [ 1.930041] ---[ end trace 95d9bb1d912944b9 ]--- [ 1.930041] Kernel panic - not syncing: Fatal exception /kernel/i386-randconfig-r9-1107/71cc615a91a49d83e839c4b46f1f001ccd88e21f/dmesg-quantal-roam-7:20131107165442:i386-randconfig-r9-1107:3.12.0-09952-g71cc615:916 /kernel/i386-randconfig-r9-1107/71cc615a91a49d83e839c4b46f1f001ccd88e21f/dmesg-quantal-lkp-st01-11:20131108042552:i386-randconfig-r9-1107:3.12.0-09952-g71cc615:916 /kernel/i386-randconfig-r9-1107/71cc615a91a49d83e839c4b46f1f001ccd88e21f/dmesg-quantal-xps-3:20131108042853:i386-randconfig-r9-1107:3.12.0-09952-g71cc615:916 /kernel/i386-randconfig-r9-1107/71cc615a91a49d83e839c4b46f1f001ccd88e21f/dmesg-quantal-waimea-1:20131108042644:i386-randconfig-r9-1107:3.12.0-09952-g71cc615:916 /kernel/i386-randconfig-r9-1107/71cc615a91a49d83e839c4b46f1f001ccd88e21f/dmesg-yocto-waimea-10:20131108042637:i386-randconfig-r9-1107:3.12.0-09952-g71cc615:916 /kernel/i386-randconfig-r9-1107/71cc615a91a49d83e839c4b46f1f001ccd88e21f/dmesg-quantal-athens-28:20131107202900:i386-randconfig-r9-1107:3.12.0-09952-g71cc615:916 /kernel/i386-randconfig-r9-1107/71cc615a91a49d83e839c4b46f1f001ccd88e21f/dmesg-quantal-lkp-tt02-20:20131107074431:i386-randconfig-r9-1107:3.12.0-09952-g71cc615:916 /kernel/i386-randconfig-r9-1107/71cc615a91a49d83e839c4b46f1f001ccd88e21f/dmesg-yocto-waimea-4:20131108042635:i386-randconfig-r9-1107:3.12.0-09952-g71cc615:916 /kernel/i386-randconfig-r9-1107/71cc615a91a49d83e839c4b46f1f001ccd88e21f/dmesg-yocto-lkp-st01-9:20131108042530:i386-randconfig-r9-1107:3.12.0-09952-g71cc615:916 /kernel/i386-randconfig-r9-1107/71cc615a91a49d83e839c4b46f1f001ccd88e21f/dmesg-yocto-waimea-3:20131108042640:i386-randconfig-r9-1107:3.12.0-09952-g71cc615:916 /kernel/i386-randconfig-r9-1107/71cc615a91a49d83e839c4b46f1f001ccd88e21f/dmesg-quantal-athens-10:20131107165441:i386-randconfig-r9-1107:3.12.0-09952-g71cc615:916 /kernel/i386-randconfig-r9-1107/71cc615a91a49d83e839c4b46f1f001ccd88e21f/dmesg-yocto-athens-39:20131107202911:i386-randconfig-r9-1107:3.12.0-09952-g71cc615:916 /kernel/i386-randconfig-r9-1107/71cc615a91a49d83e839c4b46f1f001ccd88e21f/dmesg-yocto-waimea-8:20131108042657:i386-randconfig-r9-1107:3.12.0-09952-g71cc615:916 0:13:13 all_good:bad:all_bad boots REPEAT COUNT: 20 # /cc/wfg/usb-bisect/.repeat bisect: bad commit 71cc615a91a49d83e839c4b46f1f001ccd88e21f git checkout v3.12 Previous HEAD position was 71cc615... Merge remote-tracking branch 'aio/master' HEAD is now at 5e01dc7... Linux 3.12 ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r9-1107/next:master:5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52:bisect-usb SUCCESS bisect: good commit v3.12 git bisect start 71cc615a91a49d83e839c4b46f1f001ccd88e21f v3.12 -- Previous HEAD position was 5e01dc7... Linux 3.12 HEAD is now at 6e46645... Linux 3.11 Bisecting: 4915 revisions left to test after this (roughly 12 steps) [4b2a7a1745bc3cba30ffca03ce0393bf4274677b] Merge remote-tracking branch 'wireless-next/master' 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-r9-1107/next:master:4b2a7a1745bc3cba30ffca03ce0393bf4274677b:bisect-usb 2013-11-07-20:30:41 4b2a7a1745bc3cba30ffca03ce0393bf4274677b compiling 659 real 1321 user 145 sys 222.42% cpu i386-randconfig-r9-1107 2013-11-07-20:42:28 detecting boot state 3.12.0-05036-g4b2a7a1. TEST FAILURE [ 0.786187] The force parameter has not been set to 1. The Iris poweroff handler will not be installed. [ 0.788097] audit: initializing netlink socket (disabled) [ 0.788986] type=2000 audit(1383828156.241:1): initialized [ 0.818599] BUG: unable to handle kernel NULL pointer dereference at 00000006 [ 0.819761] IP: [<41000a43>] start_thread+0x18/0x47 [ 0.820027] *pde = 00000000 [ 0.820027] Oops: 0002 [#1] PREEMPT SMP DEBUG_PAGEALLOC [ 0.820027] Modules linked in: [ 0.820027] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.12.0-05036-g4b2a7a1 #729 [ 0.820027] task: 4ec1b440 ti: 4ec28000 task.ti: 4ec28000 [ 0.820027] EIP: 0060:[<41000a43>] EFLAGS: 00010206 CPU: 0 [ 0.820027] EIP is at start_thread+0x18/0x47 [ 0.820027] EAX: 00000000 EBX: 00000006 ECX: 00000000 EDX: 00000001 [ 0.820027] ESI: 000000af EDI: 41596890 EBP: 4ec29f9c ESP: 4ec29f80 [ 0.820027] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 0.820027] CR0: 8005003b CR2: 00000006 CR3: 015a8000 CR4: 000006d0 [ 0.820027] Stack: [ 0.820027] 000000af 00000006 00000006 41550416 00000000 41519794 4fcd2440 4ec29fac [ 0.820027] 4133701d 00000000 4ec2bf88 4ec28000 41345e57 41337012 00000000 00000000 [ 0.820027] 00000000 00000000 00000000 00000000 0000007b 0000007b 000000d8 00000000 [ 0.820027] Call Trace: [ 0.820027] [<41550416>] ? do_early_param+0x78/0x78 [ 0.820027] [<4133701d>] kernel_init+0xb/0xc3 [ 0.820027] [<41345e57>] ret_from_kernel_thread+0x1b/0x28 [ 0.820027] [<41337012>] ? rest_init+0xb6/0xb6 [ 0.820027] Code: e5 0f 18 00 90 5d c3 55 31 d2 89 e5 0f ae 08 89 d0 5d c3 55 89 e5 53 31 db 8e eb c7 40 24 00 00 00 00 c7 40 1c 7b 00 00 00 c7 40 <20> 7b 00 00 00 c7 40 40 7b 00 00 00 c7 40 34 73 00 00 00 89 50 [ 0.820027] EIP: [<41000a43>] start_thread+0x18/0x47 SS:ESP 0068:4ec29f80 [ 0.820027] CR2: 0000000000000006 [ 0.843850] ---[ end trace 9d7c6efc91a81874 ]--- [ 0.844553] Kernel panic - not syncing: Fatal exception /kernel/i386-randconfig-r9-1107/4b2a7a1745bc3cba30ffca03ce0393bf4274677b/dmesg-yocto-athens-30:20131107204242:i386-randconfig-r9-1107:3.12.0-05036-g4b2a7a1:729 0:1:1 all_good:bad:all_bad boots REPEAT COUNT: 20 # /cc/wfg/usb-bisect/.repeat Bisecting: 2546 revisions left to test after this (roughly 11 steps) [a879ddf7603be2c4fba0bb111bcde226a75d7f8e] Merge remote-tracking branch 'pci/next' running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r9-1107/next:master:a879ddf7603be2c4fba0bb111bcde226a75d7f8e:bisect-usb 2013-11-07-20:43:03 a879ddf7603be2c4fba0bb111bcde226a75d7f8e compiling 298 real 1336 user 140 sys 494.11% cpu i386-randconfig-r9-1107 2013-11-07-20:49:06 detecting boot state 3.12.0-02489-ga879ddf.. 1 3 4.. 5 6 8. 9. 10. 12.. 13 14.... 15.... 17........ 18. 19.. 20 SUCCESS Bisecting: 1172 revisions left to test after this (roughly 10 steps) [87bc0728d462ae37841a550542829aa65a97e7c2] Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r9-1107/next:master:87bc0728d462ae37841a550542829aa65a97e7c2:bisect-usb 2013-11-07-21:11:10 87bc0728d462ae37841a550542829aa65a97e7c2 compiling 213 real 1377 user 145 sys 712.41% cpu i386-randconfig-r9-1107 2013-11-07-21:15:10 detecting boot state 3.12.0-rc6-01663-g87bc072. 1 4 5 10 12 14 15 18. 20 SUCCESS Bisecting: 737 revisions left to test after this (roughly 9 steps) [a43048ff66b455ee230d7ec5f97947eb4e031ebc] 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/i386-randconfig-r9-1107/next:master:a43048ff66b455ee230d7ec5f97947eb4e031ebc:bisect-usb 2013-11-07-21:20:45 a43048ff66b455ee230d7ec5f97947eb4e031ebc compiling 273 real 1392 user 140 sys 559.99% cpu i386-randconfig-r9-1107 2013-11-07-21:26:38 detecting boot state 3.12.0-02924-ga43048f. TEST FAILURE [ 1.930073] The force parameter has not been set to 1. The Iris poweroff handler will not be installed. [ 1.932561] audit: initializing netlink socket (disabled) [ 1.933678] type=2000 audit(1383830804.708:1): initialized [ 1.960113] BUG: unable to handle kernel paging request at 00008ca5 [ 1.961139] IP: [<4100ea43>] x86_setup_perfctr+0x87/0x1ca [ 1.961991] *pde = 00000000 [ 1.962427] Oops: 0002 [#1] PREEMPT SMP DEBUG_PAGEALLOC [ 1.963281] Modules linked in: [ 1.963733] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 3.12.0-02924-ga43048f #732 [ 1.964854] task: 4d41b440 ti: 4d428000 task.ti: 4d428000 [ 1.965652] EIP: 0060:[<4100ea43>] EFLAGS: 00010206 CPU: 1 [ 1.966466] EIP is at x86_setup_perfctr+0x87/0x1ca [ 1.967137] EAX: 00000000 EBX: 00000006 ECX: 00000000 EDX: 00000001 [ 1.968095] ESI: 000000af EDI: 41594870 EBP: 4d429f9c ESP: 4d429f80 [ 1.969036] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 1.969878] CR0: 8005003b CR2: 00008ca5 CR3: 015a6000 CR4: 000006d0 [ 1.970022] Stack: [ 1.970022] 000000af 00000006 00000006 4154e416 00000000 415177d4 4e4ed440 4d429fac [ 1.970022] 413361c5 00000000 4d42bf88 4d428000 413450b7 413361ba 00000000 00000000 [ 1.970022] 00000000 00000000 00000000 00000000 0000007b 0000007b 000000d8 00000000 [ 1.970022] Call Trace: [ 1.970022] [<4154e416>] ? do_early_param+0x78/0x78 [ 1.970022] [<413361c5>] kernel_init+0xb/0xc3 [ 1.970022] [<413450b7>] ret_from_kernel_thread+0x1b/0x28 [ 1.970022] [<413361ba>] ? rest_init+0xb6/0xb6 [ 1.970022] Code: 87 80 00 00 00 83 f8 04 75 13 8b 87 88 00 00 00 89 f9 8b 97 8c 00 00 00 e9 ab 00 00 00 83 f8 03 0f 85 ac 00 00 00 8b 8f 88 00 00 <00> 8b 9f 8c 00 00 00 0f b6 f1 83 fe 06 0f 87 b3 00 00 00 89 c8 [ 1.970022] EIP: [<4100ea43>] x86_setup_perfctr+0x87/0x1ca SS:ESP 0068:4d429f80 [ 1.970022] CR2: 0000000000008ca5 [ 1.984343] ---[ end trace 8f3716ec64a4eaa1 ]--- [ 1.985028] Kernel panic - not syncing: Fatal exception /kernel/i386-randconfig-r9-1107/a43048ff66b455ee230d7ec5f97947eb4e031ebc/dmesg-quantal-athens-1:20131107212648:i386-randconfig-r9-1107:3.12.0-02924-ga43048f:732 /kernel/i386-randconfig-r9-1107/a43048ff66b455ee230d7ec5f97947eb4e031ebc/dmesg-quantal-athens-27:20131107212646:i386-randconfig-r9-1107:3.12.0-02924-ga43048f:732 /kernel/i386-randconfig-r9-1107/a43048ff66b455ee230d7ec5f97947eb4e031ebc/dmesg-yocto-lkp-tt02-11:20131107121640:i386-randconfig-r9-1107:3.12.0-02924-ga43048f:732 /kernel/i386-randconfig-r9-1107/a43048ff66b455ee230d7ec5f97947eb4e031ebc/dmesg-yocto-lkp-tt02-18:20131107121639:i386-randconfig-r9-1107:3.12.0-02924-ga43048f:732 /kernel/i386-randconfig-r9-1107/a43048ff66b455ee230d7ec5f97947eb4e031ebc/dmesg-yocto-lkp-tt02-1:20131107121640:i386-randconfig-r9-1107:3.12.0-02924-ga43048f:732 /kernel/i386-randconfig-r9-1107/a43048ff66b455ee230d7ec5f97947eb4e031ebc/dmesg-yocto-lkp-tt02-21:20131107121638:i386-randconfig-r9-1107:3.12.0-02924-ga43048f:732 /kernel/i386-randconfig-r9-1107/a43048ff66b455ee230d7ec5f97947eb4e031ebc/dmesg-yocto-xian-46:20131107212659:i386-randconfig-r9-1107:3.12.0-02924-ga43048f:732 /kernel/i386-randconfig-r9-1107/a43048ff66b455ee230d7ec5f97947eb4e031ebc/dmesg-yocto-lkp-st01-5:20131108052339:i386-randconfig-r9-1107:3.12.0-02924-ga43048f:732 0:8:8 all_good:bad:all_bad boots REPEAT COUNT: 20 # /cc/wfg/usb-bisect/.repeat Bisecting: 250 revisions left to test after this (roughly 8 steps) [5c52a0f259af02c716ad064d752cb6efb1d29ec0] Merge branch 'build_fixes' into to_next running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r9-1107/next:master:5c52a0f259af02c716ad064d752cb6efb1d29ec0:bisect-usb 2013-11-07-21:27:14 5c52a0f259af02c716ad064d752cb6efb1d29ec0 compiling 513 real 1384 user 141 sys 297.05% cpu i386-randconfig-r9-1107 2013-11-07-21:36:11 detecting boot state 3.12.0-rc2-00203-g5c52a0f 2. 4 6 10 15 18 20 SUCCESS Bisecting: 125 revisions left to test after this (roughly 7 steps) [7661c3f099c0afda7305af912c03ebd1c761735a] Merge remote-tracking branch 'i2c/i2c/for-next' running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r9-1107/next:master:7661c3f099c0afda7305af912c03ebd1c761735a:bisect-usb 2013-11-07-21:40:17 7661c3f099c0afda7305af912c03ebd1c761735a compiling 290 real 1388 user 140 sys 526.73% cpu i386-randconfig-r9-1107 2013-11-07-21:47:01 detecting boot state 3.12.0-02614-g7661c3f 2 6 12 17 18 20 SUCCESS Bisecting: 67 revisions left to test after this (roughly 6 steps) [81a67c32df4da1dbf1cf3715610ea820068a5935] Merge remote-tracking branch 'v4l-dvb/master' running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r9-1107/next:master:81a67c32df4da1dbf1cf3715610ea820068a5935:bisect-usb 2013-11-07-21:50:04 81a67c32df4da1dbf1cf3715610ea820068a5935 compiling 143 real 189 user 35 sys 156.20% cpu i386-randconfig-r9-1107 2013-11-07-21:53:23 detecting boot state 3.12.0-02856-g81a67c32. 2 8 15 20 SUCCESS Bisecting: 29 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/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r9-1107/next:master:9fbe8e5b9724e0034618bd512df9eda4694e77d5:bisect-usb 2013-11-07-21:55:56 9fbe8e5b9724e0034618bd512df9eda4694e77d5 compiling 400 real 1362 user 143 sys 376.61% cpu i386-randconfig-r9-1107 2013-11-07-22:03:11 detecting boot state 3.12.0-rc1-00039-g9fbe8e5 1 4 7 9. 13 14 15 16 17 18 20 SUCCESS Bisecting: 14 revisions left to test after this (roughly 4 steps) [18a558067d501a2ccda061f99800f3a978379dc6] Merge branch 'for-3.13' into for-next running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r9-1107/next:master:18a558067d501a2ccda061f99800f3a978379dc6:bisect-usb 2013-11-07-22:09:14 18a558067d501a2ccda061f99800f3a978379dc6 compiling 468 real 1380 user 149 sys 326.69% cpu i386-randconfig-r9-1107 2013-11-07-22:17:52 detecting boot state 3.12.0-rc1-00020-g18a5580.. 1 4 11 19. 20 SUCCESS Bisecting: 7 revisions left to test after this (roughly 3 steps) [1ca953d5f992ff5fe63a22546a21b915238d2455] Merge branch 'for-3.13' into for-next running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r9-1107/next:master:1ca953d5f992ff5fe63a22546a21b915238d2455:bisect-usb 2013-11-07-22:21:53 1ca953d5f992ff5fe63a22546a21b915238d2455 compiling 124 real 159 user 34 sys 156.06% cpu i386-randconfig-r9-1107 2013-11-07-22:25:40 detecting boot state 3.12.0-rc1-00027-g1ca953d 10 13. 20 SUCCESS Bisecting: 3 revisions left to test after this (roughly 2 steps) [849464d1ba97a13b388fee9a69fbbeee175b349c] kbuild: replace unbounded sprintf call in modpost running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r9-1107/next:master:849464d1ba97a13b388fee9a69fbbeee175b349c:bisect-usb 2013-11-07-22:27:42 849464d1ba97a13b388fee9a69fbbeee175b349c compiling 268 real 1386 user 141 sys 569.66% cpu i386-randconfig-r9-1107 2013-11-07-22:34:06 detecting boot state 3.12.0-rc1-00005-g849464d. TEST FAILURE [ 7.872942] The force parameter has not been set to 1. The Iris poweroff handler will not be installed. [ 7.876310] audit: initializing netlink socket (disabled) [ 7.877744] type=2000 audit(1383801857.585:1): initialized [ 7.910034] BUG: unable to handle kernel NULL pointer dereference at 00000062 [ 7.911562] IP: [<4100c9fb>] intel_detect_tlb+0xac/0x2d6 [ 7.912650] *pde = 00000000 [ 7.913248] Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC [ 7.914400] Modules linked in: [ 7.915068] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 3.12.0-rc1-00005-g849464d #739 [ 7.916631] task: 4d41b440 ti: 4d428000 task.ti: 4d428000 [ 7.917705] EIP: 0060:[<4100c9fb>] EFLAGS: 00010297 CPU: 1 [ 7.918791] EIP is at intel_detect_tlb+0xac/0x2d6 [ 7.919731] EAX: 00000061 EBX: 00000dd0 ECX: 00000200 EDX: 00000200 [ 7.920010] ESI: 0000001a EDI: 41592870 EBP: 4d429f9c ESP: 4d429f80 [ 7.920010] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 7.920010] CR0: 8005003b CR2: 00000062 CR3: 015a4000 CR4: 000006d0 [ 7.920010] Stack: [ 7.920010] 000000af 00000006 00000006 4154c416 00000000 41515794 4e4ed440 4d429fac [ 7.920010] 413353fd 00000000 4d42bf88 4d428000 41344297 413353f2 00000000 00000000 [ 7.920010] 00000000 00000000 00000000 00000000 0000007b 0000007b 000000d8 00000000 [ 7.920010] Call Trace: [ 7.920010] [<4154c416>] ? do_early_param+0x78/0x78 [ 7.920010] [<413353fd>] kernel_init+0xb/0xc3 [ 7.920010] [<41344297>] ret_from_kernel_thread+0x1b/0x28 [ 7.920010] [<413353f2>] ? rest_init+0xb6/0xb6 [ 7.920010] Code: 60 54 41 66 8b 3d 12 60 54 41 66 89 45 e0 66 a1 18 60 54 41 66 89 45 e2 66 a1 14 60 54 41 66 89 45 da 8d 45 e4 89 45 dc 8b 45 dc <8a> 58 01 84 db 0f 84 54 01 00 00 c6 45 d9 00 0f b6 75 d9 69 c6 [ 7.920010] EIP: [<4100c9fb>] intel_detect_tlb+0xac/0x2d6 SS:ESP 0068:4d429f80 [ 7.920010] CR2: 0000000000000062 [ 7.955557] ---[ end trace 93cfde1886d7c28d ]--- [ 7.956463] Kernel panic - not syncing: Fatal exception /kernel/i386-randconfig-r9-1107/849464d1ba97a13b388fee9a69fbbeee175b349c/dmesg-yocto-inn-13:20131107223417:i386-randconfig-r9-1107:3.12.0-rc1-00005-g849464d:739 /kernel/i386-randconfig-r9-1107/849464d1ba97a13b388fee9a69fbbeee175b349c/dmesg-yocto-lkp-tt02-6:20131107132406:i386-randconfig-r9-1107:3.12.0-rc1-00005-g849464d:739 /kernel/i386-randconfig-r9-1107/849464d1ba97a13b388fee9a69fbbeee175b349c/dmesg-yocto-snb-1:20131107223418:i386-randconfig-r9-1107:3.12.0-rc1-00005-g849464d:739 /kernel/i386-randconfig-r9-1107/849464d1ba97a13b388fee9a69fbbeee175b349c/dmesg-yocto-snb-2:20131107223419:i386-randconfig-r9-1107:3.12.0-rc1-00005-g849464d:739 /kernel/i386-randconfig-r9-1107/849464d1ba97a13b388fee9a69fbbeee175b349c/dmesg-quantal-snb-39:20131107223427:i386-randconfig-r9-1107:3.12.0-rc1-00005-g849464d:739 /kernel/i386-randconfig-r9-1107/849464d1ba97a13b388fee9a69fbbeee175b349c/dmesg-quantal-xps-2:20131108063353:i386-randconfig-r9-1107:3.12.0-rc1-00005-g849464d:739 /kernel/i386-randconfig-r9-1107/849464d1ba97a13b388fee9a69fbbeee175b349c/dmesg-quantal-xps-4:20131108063352:i386-randconfig-r9-1107:3.12.0-rc1-00005-g849464d:739 /kernel/i386-randconfig-r9-1107/849464d1ba97a13b388fee9a69fbbeee175b349c/dmesg-yocto-ant-10:20131108061357:i386-randconfig-r9-1107:3.12.0-rc1-00005-g849464d:739 /kernel/i386-randconfig-r9-1107/849464d1ba97a13b388fee9a69fbbeee175b349c/dmesg-yocto-jaketown-40:20131107223421:i386-randconfig-r9-1107:3.12.0-rc1-00005-g849464d:739 /kernel/i386-randconfig-r9-1107/849464d1ba97a13b388fee9a69fbbeee175b349c/dmesg-yocto-lkp-tt02-10:20131107132418:i386-randconfig-r9-1107:3.12.0-rc1-00005-g849464d:739 /kernel/i386-randconfig-r9-1107/849464d1ba97a13b388fee9a69fbbeee175b349c/dmesg-yocto-lkp-tt02-14:20131107132412:i386-randconfig-r9-1107:3.12.0-rc1-00005-g849464d:739 /kernel/i386-randconfig-r9-1107/849464d1ba97a13b388fee9a69fbbeee175b349c/dmesg-yocto-lkp-tt02-24:20131107132417:i386-randconfig-r9-1107:3.12.0-rc1-00005-g849464d:739 /kernel/i386-randconfig-r9-1107/849464d1ba97a13b388fee9a69fbbeee175b349c/dmesg-yocto-snb-1:20131107223429:i386-randconfig-r9-1107:3.12.0-rc1-00005-g849464d:739 /kernel/i386-randconfig-r9-1107/849464d1ba97a13b388fee9a69fbbeee175b349c/dmesg-yocto-snb-40:20131107223429:i386-randconfig-r9-1107:3.12.0-rc1-00005-g849464d:739 /kernel/i386-randconfig-r9-1107/849464d1ba97a13b388fee9a69fbbeee175b349c/dmesg-yocto-snb-4:20131107223426:i386-randconfig-r9-1107:3.12.0-rc1-00005-g849464d:739 /kernel/i386-randconfig-r9-1107/849464d1ba97a13b388fee9a69fbbeee175b349c/dmesg-yocto-stoakley-5:20131107223426:i386-randconfig-r9-1107:3.12.0-rc1-00005-g849464d:739 /kernel/i386-randconfig-r9-1107/849464d1ba97a13b388fee9a69fbbeee175b349c/dmesg-quantal-lkp-tt02-7:20131107132422:i386-randconfig-r9-1107:3.12.0-rc1-00005-g849464d:739 0:17:17 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) [f3462aa952cfc8f4b095103cb9b3d306dd216558] Kbuild: Handle longer symbols in kallsyms.c running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r9-1107/next:master:f3462aa952cfc8f4b095103cb9b3d306dd216558:bisect-usb 2013-11-07-22:34:37 f3462aa952cfc8f4b095103cb9b3d306dd216558 compiling 66 real 159 user 36 sys 296.06% cpu i386-randconfig-r9-1107 2013-11-07-22:36:04 detecting boot state 3.12.0-rc1-00003-gf3462aa. TEST FAILURE [ 0.812996] The force parameter has not been set to 1. The Iris poweroff handler will not be installed. [ 0.815062] audit: initializing netlink socket (disabled) [ 0.816102] type=2000 audit(1383834972.479:1): initialized [ 0.850059] BUG: unable to handle kernel NULL pointer dereference at 00000062 [ 0.851361] IP: [<4100c9fb>] intel_detect_tlb+0xac/0x2d6 [ 0.852413] *pde = 00000000 [ 0.852955] Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC [ 0.853974] Modules linked in: [ 0.854554] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 3.12.0-rc1-00003-gf3462aa #740 [ 0.855912] task: 4ec1b440 ti: 4ec28000 task.ti: 4ec28000 [ 0.856897] EIP: 0060:[<4100c9fb>] EFLAGS: 00010297 CPU: 1 [ 0.857890] EIP is at intel_detect_tlb+0xac/0x2d6 [ 0.858715] EAX: 00000061 EBX: 00000dd0 ECX: 00000200 EDX: 00000200 [ 0.859814] ESI: 0000001a EDI: 41592870 EBP: 4ec29f9c ESP: 4ec29f80 [ 0.860030] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 0.860030] CR0: 8005003b CR2: 00000062 CR3: 015a4000 CR4: 000006d0 [ 0.860030] Stack: [ 0.860030] 000000af 00000006 00000006 4154c416 00000000 41515794 4fcd2440 4ec29fac [ 0.860030] 413353fd 00000000 4ec2bf88 4ec28000 41344297 413353f2 00000000 00000000 [ 0.860030] 00000000 00000000 00000000 00000000 0000007b 0000007b 000000d8 00000000 [ 0.860030] Call Trace: [ 0.860030] [<4154c416>] ? do_early_param+0x78/0x78 [ 0.860030] [<413353fd>] kernel_init+0xb/0xc3 [ 0.860030] [<41344297>] ret_from_kernel_thread+0x1b/0x28 [ 0.860030] [<413353f2>] ? rest_init+0xb6/0xb6 [ 0.860030] Code: 60 54 41 66 8b 3d 12 60 54 41 66 89 45 e0 66 a1 18 60 54 41 66 89 45 e2 66 a1 14 60 54 41 66 89 45 da 8d 45 e4 89 45 dc 8b 45 dc <8a> 58 01 84 db 0f 84 54 01 00 00 c6 45 d9 00 0f b6 75 d9 69 c6 [ 0.860030] EIP: [<4100c9fb>] intel_detect_tlb+0xac/0x2d6 SS:ESP 0068:4ec29f80 [ 0.860030] CR2: 0000000000000062 [ 0.879098] ---[ end trace 8513d19f37d2033a ]--- [ 0.879938] Kernel panic - not syncing: Fatal exception /kernel/i386-randconfig-r9-1107/f3462aa952cfc8f4b095103cb9b3d306dd216558/dmesg-yocto-snb-47:20131107223612:i386-randconfig-r9-1107:3.12.0-rc1-00003-gf3462aa:740 /kernel/i386-randconfig-r9-1107/f3462aa952cfc8f4b095103cb9b3d306dd216558/dmesg-yocto-snb-22:20131107223618:i386-randconfig-r9-1107:3.12.0-rc1-00003-gf3462aa:740 /kernel/i386-randconfig-r9-1107/f3462aa952cfc8f4b095103cb9b3d306dd216558/dmesg-yocto-xian-47:20131107223615:i386-randconfig-r9-1107:3.12.0-rc1-00003-gf3462aa:740 /kernel/i386-randconfig-r9-1107/f3462aa952cfc8f4b095103cb9b3d306dd216558/dmesg-quantal-lkp-tt02-6:20131107132618:i386-randconfig-r9-1107:3.12.0-rc1-00003-gf3462aa:740 /kernel/i386-randconfig-r9-1107/f3462aa952cfc8f4b095103cb9b3d306dd216558/dmesg-quantal-lkp-tt02-8:20131107132621:i386-randconfig-r9-1107:3.12.0-rc1-00003-gf3462aa:740 /kernel/i386-randconfig-r9-1107/f3462aa952cfc8f4b095103cb9b3d306dd216558/dmesg-quantal-snb-16:20131107223630:i386-randconfig-r9-1107:3.12.0-rc1-00003-gf3462aa:740 /kernel/i386-randconfig-r9-1107/f3462aa952cfc8f4b095103cb9b3d306dd216558/dmesg-quantal-xps-1:20131108063557:i386-randconfig-r9-1107:3.12.0-rc1-00003-gf3462aa:740 /kernel/i386-randconfig-r9-1107/f3462aa952cfc8f4b095103cb9b3d306dd216558/dmesg-yocto-lkp-st01-4:20131108063303:i386-randconfig-r9-1107:3.12.0-rc1-00003-gf3462aa:740 /kernel/i386-randconfig-r9-1107/f3462aa952cfc8f4b095103cb9b3d306dd216558/dmesg-yocto-snb-47:20131107223626:i386-randconfig-r9-1107:3.12.0-rc1-00003-gf3462aa:740 0:9:3 all_good:bad:all_bad boots 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/usb/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r9-1107/next:master:eea0e9cbb9e65cd553d302a4aefd4c7b70d9fd90:bisect-usb 2013-11-07-22:36:35 eea0e9cbb9e65cd553d302a4aefd4c7b70d9fd90 compiling 81 real 166 user 36 sys 250.78% cpu i386-randconfig-r9-1107 2013-11-07-22:38:14 detecting boot state 3.12.0-rc1-00002-geea0e9c. TEST FAILURE [ 1.565431] The force parameter has not been set to 1. The Iris poweroff handler will not be installed. [ 1.569898] audit: initializing netlink socket (disabled) [ 1.570989] type=2000 audit(1383863698.017:1): initialized [ 1.600043] BUG: unable to handle kernel NULL pointer dereference at 00000062 [ 1.601181] IP: [<4100c9fb>] intel_detect_tlb+0xac/0x2d6 [ 1.602016] *pde = 00000000 [ 1.602494] Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC [ 1.603400] Modules linked in: [ 1.603898] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 3.12.0-rc1-00002-geea0e9c #741 [ 1.605057] task: 4ec1b440 ti: 4ec28000 task.ti: 4ec28000 [ 1.605872] EIP: 0060:[<4100c9fb>] EFLAGS: 00010297 CPU: 1 [ 1.606694] EIP is at intel_detect_tlb+0xac/0x2d6 [ 1.607454] EAX: 00000061 EBX: 00008448 ECX: 00000200 EDX: 00000200 [ 1.608401] ESI: 000000f9 EDI: 41592870 EBP: 4ec29f9c ESP: 4ec29f80 [ 1.609346] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 1.610009] CR0: 8005003b CR2: 00000062 CR3: 015a4000 CR4: 000006d0 [ 1.610009] Stack: [ 1.610009] 000000af 00000006 00000006 4154c416 00000000 41515794 4fcd2440 4ec29fac [ 1.610009] 413353fd 00000000 4ec2bf88 4ec28000 41344297 413353f2 00000000 00000000 [ 1.610009] 00000000 00000000 00000000 00000000 0000007b 0000007b 000000d8 00000000 [ 1.610009] Call Trace: [ 1.610009] [<4154c416>] ? do_early_param+0x78/0x78 [ 1.610009] [<413353fd>] kernel_init+0xb/0xc3 [ 1.610009] [<41344297>] ret_from_kernel_thread+0x1b/0x28 [ 1.610009] [<413353f2>] ? rest_init+0xb6/0xb6 [ 1.610009] Code: 60 54 41 66 8b 3d 12 60 54 41 66 89 45 e0 66 a1 18 60 54 41 66 89 45 e2 66 a1 14 60 54 41 66 89 45 da 8d 45 e4 89 45 dc 8b 45 dc <8a> 58 01 84 db 0f 84 54 01 00 00 c6 45 d9 00 0f b6 75 d9 69 c6 [ 1.610009] EIP: [<4100c9fb>] intel_detect_tlb+0xac/0x2d6 SS:ESP 0068:4ec29f80 [ 1.610009] CR2: 0000000000000062 [ 1.625734] ---[ end trace 8dc3cabb115a1e12 ]--- [ 1.626438] Kernel panic - not syncing: Fatal exception /kernel/i386-randconfig-r9-1107/eea0e9cbb9e65cd553d302a4aefd4c7b70d9fd90/dmesg-yocto-lkp-st01-5:20131108063502:i386-randconfig-r9-1107:3.12.0-rc1-00002-geea0e9c:741 /kernel/i386-randconfig-r9-1107/eea0e9cbb9e65cd553d302a4aefd4c7b70d9fd90/dmesg-yocto-xps-7:20131108063759:i386-randconfig-r9-1107:3.12.0-rc1-00002-geea0e9c:741 0:2:2 all_good:bad:all_bad boots REPEAT COUNT: 20 # /cc/wfg/usb-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-r9-1107/next:master:80970472179a45609c0b11b80619bc8c32b15f77:bisect-usb 2013-11-07-22:38:46 80970472179a45609c0b11b80619bc8c32b15f77 compiling 2013-11-07-22:40:25 detecting boot state 3.12.0-rc1-00001-g8097047. 1 7 16 21 33 49 53 60 SUCCESS ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r9-1107/next:master:48da1a29f5883ef9d14c6b828e469d86b4fc0980:bisect-usb 2013-11-07-22:45:02 48da1a29f5883ef9d14c6b828e469d86b4fc0980 reuse /kernel/i386-randconfig-r9-1107/48da1a29f5883ef9d14c6b828e469d86b4fc0980/vmlinuz-3.12.0-next-20131107-10381-g48da1a2 2013-11-07-22:45:03 detecting boot state 12 25 36 44 52 57 59.............................................................................................................................................................................................................................................................................................................add_to_run_queue 1 60 SUCCESS [detached HEAD 72a94a8] Revert "kbuild: Increase kallsyms max symbol length" 1 file changed, 1 insertion(+), 1 deletion(-) ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r9-1107/next:master:72a94a8f755e1be19f1341cb70f6212ab908376c:bisect-usb 2013-11-08-01:19:43 72a94a8f755e1be19f1341cb70f6212ab908376c compiling 2013-11-08-01:24:14 detecting boot state 3.12.0-next-20131107-10382-g72a94a8. 5 18 33 39 46 51 52 57 59 60 SUCCESS ========= upstream ========= Fetching linus ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r9-1107/next:master:a1212d278c05ca0a38f5cbd7ae90ac2e367228a8:bisect-usb 2013-11-08-01:29:50 a1212d278c05ca0a38f5cbd7ae90ac2e367228a8 reuse /kernel/i386-randconfig-r9-1107/a1212d278c05ca0a38f5cbd7ae90ac2e367228a8/vmlinuz-3.12.0-01714-ga1212d2 2013-11-08-01:29:50 detecting boot state 10 11 13 14 28 41 48 60 SUCCESS ========= linux-next ========= Fetching next ls -a /kernel-tests/run-queue/kvm/i386-randconfig-r9-1107/next:master:48da1a29f5883ef9d14c6b828e469d86b4fc0980:bisect-usb SUCCESS