git checkout 4a10c2ac2f368583138b774ca41fac4207911983 Previous HEAD position was 12c6060... Merge remote-tracking branch 'arm-soc/to-build' into kbuild_tmp HEAD is now at 4a10c2a... Linux 3.12-rc2 ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c8-0924/linux-devel:devel-cairo-x86_64-201309240752:4a10c2ac2f368583138b774ca41fac4207911983:bisect-net 2013-10-02-22:20:32 4a10c2ac2f368583138b774ca41fac4207911983 reuse /kernel/x86_64-randconfig-c8-0924/4a10c2ac2f368583138b774ca41fac4207911983/vmlinuz-3.12.0-rc2 2013-10-02-22:20:32 detecting boot state ............ 1... 2.. 4 5 6 12. 16 20 26 30 36 41................ 42..... 43........................................................................... 44. 45.......... 47. 48. 49 51 54 56.............................................................................................................................................................................................................................................................................................................add_to_run_queue 4 . 57 58...................................................................................................................... 59. 60 SUCCESS bisect: good commit 4a10c2ac2f368583138b774ca41fac4207911983 git bisect start 12c6060d1380098bb69fad0c26200557d0763355 4a10c2ac2f368583138b774ca41fac4207911983 -- Previous HEAD position was 4a10c2a... Linux 3.12-rc2 Switched to branch 'master' Your branch is behind 'origin/master' by 41213 commits, and can be fast-forwarded. (use "git pull" to update your local branch) Bisecting: 73 revisions left to test after this (roughly 6 steps) [5dd16df0949a73a3dfd7bfb976d68d6ba2e0676e] Merge remote-tracking branch 'rcu/rcu/fixes' into kbuild_tmp git bisect run /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/net/obj-bisect running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/net/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c8-0924/linux-devel:devel-cairo-x86_64-201309240752:5dd16df0949a73a3dfd7bfb976d68d6ba2e0676e:bisect-net 2013-10-03-03:08:27 5dd16df0949a73a3dfd7bfb976d68d6ba2e0676e compiling 243 real 997 user 94 sys 448.36% cpu x86_64-randconfig-c8-0924 2013-10-03-03:12:47 detecting boot state 3.12.0-rc2-00080-g5dd16df. 1 3 4 8 10 11 13 14 19 23. 27 32........... 33............................................................................................... 35 40 43 45 46. 48 50 53. 54 55.............................................................................................................................................................................................................................................................................................................add_to_run_queue 5 . 56 59......................................................................................................................... 60 SUCCESS Bisecting: 36 revisions left to test after this (roughly 5 steps) [8706fffa0da105de430ae2492c37348c076140fa] DMA-API: usb: use new dma_coerce_mask_and_coherent() running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/net/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c8-0924/linux-devel:devel-cairo-x86_64-201309240752:8706fffa0da105de430ae2492c37348c076140fa:bisect-net 2013-10-03-07:52:29 8706fffa0da105de430ae2492c37348c076140fa compiling 289 real 1050 user 97 sys 397.23% cpu x86_64-randconfig-c8-0924 2013-10-03-08:01:03 detecting boot state 3.12.0-rc1-00037-g8706fff. 3 6 10 16 29 38 44 46. 47.............. 48.................................................................................................. 50.... 53 58.............................................................................................................................................................................................................................................................................................................add_to_run_queue 2 ...... 59. 60 SUCCESS Bisecting: 18 revisions left to test after this (roughly 4 steps) [f516e2c9ecdcc717d25fe1533805a7960310c186] Merge branch 'bnx2x' running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/net/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c8-0924/linux-devel:devel-cairo-x86_64-201309240752:f516e2c9ecdcc717d25fe1533805a7960310c186:bisect-net 2013-10-03-11:41:43 f516e2c9ecdcc717d25fe1533805a7960310c186 compiling 171 real 1056 user 102 sys 675.39% cpu x86_64-randconfig-c8-0924 2013-10-03-11:44:46 detecting boot state 3.12.0-rc1-00273-gf516e2c.. 7 15 18 23 27 31 34 35. 36.......... 38.... 39......... 40................................................................................... 41 44 48 51. 54 56 59 60 SUCCESS Bisecting: 9 revisions left to test after this (roughly 3 steps) [55871ea05974c2bbd3082bbae95448eea777873a] ARM: DMA-API: better handing of DMA masks for coherent allocations running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/net/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c8-0924/linux-devel:devel-cairo-x86_64-201309240752:55871ea05974c2bbd3082bbae95448eea777873a:bisect-net 2013-10-03-12:49:48 55871ea05974c2bbd3082bbae95448eea777873a compiling 160 real 1037 user 98 sys 707.11% cpu x86_64-randconfig-c8-0924 2013-10-03-12:52:39 detecting boot state 3.12.0-rc1-00046-g55871ea.... TEST FAILURE [ 1.611692] sdhci-pltfm: SDHCI platform and OF driver helper [ 1.613317] ledtrig-cpu: registered to indicate activity on CPUs [ 1.614862] BUG: unable to handle kernel NULL pointer dereference at 0000000000000248 [ 1.615708] IP: [] dma_supported+0x9/0xa0 [ 1.615708] PGD 0 [ 1.615708] Oops: 0000 [#1] PREEMPT [ 1.615708] CPU: 0 PID: 1 Comm: swapper Not tainted 3.12.0-rc1-00046-g55871ea #284 [ 1.615708] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1.615708] task: ffff88000ec68000 ti: ffff88000ec64000 task.ti: ffff88000ec64000 [ 1.615708] RIP: 0010:[] [] dma_supported+0x9/0xa0 [ 1.615708] RSP: 0000:ffff88000ec65cb0 EFLAGS: 00010202 [ 1.615708] RAX: ffffffff814c0eb0 RBX: 00000000fffffffb RCX: 0000000000000001 [ 1.615708] RDX: 0000000000000780 RSI: 00000000ffffffff RDI: 0000000000000010 [ 1.615708] RBP: ffff88000ec65cb0 R08: 0000000000000001 R09: 0000000000000001 [ 1.615708] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1.615708] R13: ffff88000c9cf400 R14: ffffffff81c81200 R15: 0000000000000000 [ 1.615708] FS: 0000000000000000(0000) GS:ffffffff81a67000(0000) knlGS:0000000000000000 [ 1.615708] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 1.615708] CR2: 0000000000000248 CR3: 0000000001a58000 CR4: 00000000000006b0 [ 1.615708] Stack: [ 1.615708] ffff88000ec65cd8 ffffffff81688086 ffff88000c9cf410 ffffffff81cfc0e8 [ 1.615708] ffff88000c9cf400 ffff88000ec65d08 ffffffff814c0eee ffffffff814bf38e [ 1.615708] ffff88000c9cf410 ffff88000c9cf410 ffffffff81cfc0e8 ffff88000ec65d30 [ 1.615708] Call Trace: [ 1.615708] [] dcdbas_probe+0x46/0xb0 [ 1.615708] [] platform_drv_probe+0x3e/0x70 [ 1.615708] [] ? driver_sysfs_add+0x6e/0xa0 [ 1.615708] [] really_probe+0xc5/0x1e0 [ 1.615708] [] ? driver_probe_device+0x20/0x20 [ 1.615708] [] __device_attach+0x55/0x70 [ 1.615708] [] bus_for_each_drv+0x5e/0xb0 [ 1.615708] [] device_attach+0x78/0x90 [ 1.615708] [] bus_probe_device+0x35/0xd0 [ 1.615708] [] device_add+0x4ad/0x720 [ 1.615708] [] platform_device_add+0x180/0x210 [ 1.615708] [] platform_device_register_full+0xb0/0x110 [ 1.615708] [] ? dcdrbu_init+0x15a/0x15a [ 1.615708] [] dcdbas_init+0x26/0x51 [ 1.615708] [] do_one_initcall+0x7d/0x115 [ 1.615708] [] ? parse_args+0x1cd/0x2e0 [ 1.615708] [] kernel_init_freeable+0x143/0x1cf [ 1.615708] [] ? do_early_param+0x8a/0x8a [ 1.615708] [] ? rest_init+0xc0/0xc0 [ 1.615708] [] kernel_init+0x9/0x170 [ 1.615708] [] ret_from_fork+0x7a/0xb0 [ 1.615708] [] ? rest_init+0xc0/0xc0 [ 1.615708] Code: 0c 48 0f bd c6 8d 70 01 e8 65 24 0f 00 48 8b 5d f0 4c 8b 65 f8 c9 c3 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 85 ff 48 89 e5 74 0c <48> 8b 87 38 02 00 00 48 85 c0 75 0b 48 8b 05 3c a0 a5 00 0f 1f [ 1.615708] RIP [] dma_supported+0x9/0xa0 [ 1.615708] RSP [ 1.615708] CR2: 0000000000000248 [ 1.697581] ---[ end trace 1c6fc5cb660b663e ]--- /kernel/x86_64-randconfig-c8-0924/55871ea05974c2bbd3082bbae95448eea777873a/dmesg-yocto-waimea-7:20131003205028:3.12.0-rc1-00046-g55871ea:284 Bisecting: 4 revisions left to test after this (roughly 2 steps) [067f3c33c61816c4cb34f91f1a73dbd86fe6f867] DMA-API: crypto: remove last references to 'static struct device *dev' running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/net/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c8-0924/linux-devel:devel-cairo-x86_64-201309240752:067f3c33c61816c4cb34f91f1a73dbd86fe6f867:bisect-net 2013-10-03-12:54:41 067f3c33c61816c4cb34f91f1a73dbd86fe6f867 compiling 19 real 26 user 9 sys 183.25% cpu x86_64-randconfig-c8-0924 2013-10-03-12:55:08 detecting boot state 3.12.0-rc1-00041-g067f3c3..... 1... 2 4 5 7 10 14 21 40............................................................................................................... 43.. 44 47 50 53 54.............................................................................................................................................................................................................................................................................................................add_to_run_queue 6 ... 56. 58...................................................................................................................... 59. 60 SUCCESS Bisecting: 2 revisions left to test after this (roughly 1 step) [cf792a24d10b66d903549fe911084fda0cc78bb9] DMA-API: dma: edma.c: no need to explicitly initialize DMA masks running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/net/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c8-0924/linux-devel:devel-cairo-x86_64-201309240752:cf792a24d10b66d903549fe911084fda0cc78bb9:bisect-net 2013-10-03-17:37:30 cf792a24d10b66d903549fe911084fda0cc78bb9 compiling 91 real 27 user 8 sys 39.85% cpu x86_64-randconfig-c8-0924 2013-10-03-17:39:25 detecting boot state 3.12.0-rc1-00043-gcf792a2.. 4 9 20 26 30. 32 33. 35. 38 39 41......... 43. 45............. 46.. 47.............................................................................. 49. 53 54 55 57... 59 60 SUCCESS Bisecting: 0 revisions left to test after this (roughly 1 step) [aff71e59b441bcef245d86e82903950d5581a3aa] DMA-API: firmware/google/gsmi.c: avoid direct access to DMA masks running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/net/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c8-0924/linux-devel:devel-cairo-x86_64-201309240752:aff71e59b441bcef245d86e82903950d5581a3aa:bisect-net 2013-10-03-18:46:42 aff71e59b441bcef245d86e82903950d5581a3aa compiling 279 real 28 user 7 sys 12.81% cpu x86_64-randconfig-c8-0924 2013-10-03-18:54:41 detecting boot state 3.12.0-rc1-00045-gaff71e5.. TEST FAILURE [ 3.619931] sdhci-pltfm: SDHCI platform and OF driver helper [ 3.622929] ledtrig-cpu: registered to indicate activity on CPUs [ 3.625819] BUG: unable to handle kernel NULL pointer dereference at 0000000000000248 [ 3.626706] IP: [] dma_supported+0x9/0xa0 [ 3.626706] PGD 0 [ 3.626706] Oops: 0000 [#1] PREEMPT [ 3.626706] CPU: 0 PID: 1 Comm: swapper Not tainted 3.12.0-rc1-00045-gaff71e5 #287 [ 3.626706] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3.626706] task: ffff88000d868000 ti: ffff88000d864000 task.ti: ffff88000d864000 [ 3.626706] RIP: 0010:[] [] dma_supported+0x9/0xa0 [ 3.626706] RSP: 0000:ffff88000d865cb0 EFLAGS: 00010202 [ 3.626706] RAX: ffffffff814c0eb0 RBX: 00000000fffffffb RCX: 0000000000000001 [ 3.626706] RDX: 0000000000000780 RSI: 00000000ffffffff RDI: 0000000000000010 [ 3.626706] RBP: ffff88000d865cb0 R08: 0000000000000001 R09: 0000000000000001 [ 3.626706] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 3.626706] R13: ffff88000f623400 R14: ffffffff81c81200 R15: 0000000000000000 [ 3.626706] FS: 0000000000000000(0000) GS:ffffffff81a67000(0000) knlGS:0000000000000000 [ 3.626706] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 3.626706] CR2: 0000000000000248 CR3: 0000000001a58000 CR4: 00000000000006b0 [ 3.626706] Stack: [ 3.626706] ffff88000d865cd8 ffffffff81688086 ffff88000f623410 ffffffff81cfc0e8 [ 3.626706] ffff88000f623400 ffff88000d865d08 ffffffff814c0eee ffffffff814bf38e [ 3.626706] ffff88000f623410 ffff88000f623410 ffffffff81cfc0e8 ffff88000d865d30 [ 3.626706] Call Trace: [ 3.626706] [] dcdbas_probe+0x46/0xb0 [ 3.626706] [] platform_drv_probe+0x3e/0x70 [ 3.626706] [] ? driver_sysfs_add+0x6e/0xa0 [ 3.626706] [] really_probe+0xc5/0x1e0 [ 3.626706] [] ? driver_probe_device+0x20/0x20 [ 3.626706] [] __device_attach+0x55/0x70 [ 3.626706] [] bus_for_each_drv+0x5e/0xb0 [ 3.626706] [] device_attach+0x78/0x90 [ 3.626706] [] bus_probe_device+0x35/0xd0 [ 3.626706] [] device_add+0x4ad/0x720 [ 3.626706] [] platform_device_add+0x180/0x210 [ 3.626706] [] platform_device_register_full+0xb0/0x110 [ 3.626706] [] ? dcdrbu_init+0x15a/0x15a [ 3.626706] [] dcdbas_init+0x26/0x51 [ 3.626706] [] do_one_initcall+0x7d/0x115 [ 3.626706] [] ? parse_args+0x1cd/0x2e0 [ 3.626706] [] kernel_init_freeable+0x143/0x1cf [ 3.626706] [] ? do_early_param+0x8a/0x8a [ 3.626706] [] ? rest_init+0xc0/0xc0 [ 3.626706] [] kernel_init+0x9/0x170 [ 3.626706] [] ret_from_fork+0x7a/0xb0 [ 3.626706] [] ? rest_init+0xc0/0xc0 [ 3.626706] Code: 0c 48 0f bd c6 8d 70 01 e8 65 24 0f 00 48 8b 5d f0 4c 8b 65 f8 c9 c3 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 85 ff 48 89 e5 74 0c <48> 8b 87 38 02 00 00 48 85 c0 75 0b 48 8b 05 3c a0 a5 00 0f 1f [ 3.626706] RIP [] dma_supported+0x9/0xa0 [ 3.626706] RSP [ 3.626706] CR2: 0000000000000248 [ 3.782679] ---[ end trace c3a99083348d8fa3 ]--- /kernel/x86_64-randconfig-c8-0924/aff71e59b441bcef245d86e82903950d5581a3aa/dmesg-quantal-cairo-5:20131003185501:3.12.0-rc1-00045-gaff71e5:287 /kernel/x86_64-randconfig-c8-0924/aff71e59b441bcef245d86e82903950d5581a3aa/dmesg-quantal-lkp-st01-11:20131003185533:3.12.0-rc1-00045-gaff71e5:287 Bisecting: 0 revisions left to test after this (roughly 0 steps) [2713c99438b00d67b4bd88eaf9713c8645c8daf7] DMA-API: dcdbas: update DMA mask handing running /c/kernel-tests/bisect-test-boot-failure.sh /home/wfg/net/obj-bisect ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c8-0924/linux-devel:devel-cairo-x86_64-201309240752:2713c99438b00d67b4bd88eaf9713c8645c8daf7:bisect-net 2013-10-03-18:55:45 2713c99438b00d67b4bd88eaf9713c8645c8daf7 compiling 38 real 30 user 7 sys 96.55% cpu x86_64-randconfig-c8-0924 2013-10-03-18:57:06 detecting boot state 3.12.0-rc1-00044-g2713c99. TEST FAILURE [ 3.951654] sdhci-pltfm: SDHCI platform and OF driver helper [ 3.954206] ledtrig-cpu: registered to indicate activity on CPUs [ 3.956657] BUG: unable to handle kernel NULL pointer dereference at 0000000000000248 [ 3.957488] IP: [] dma_supported+0x9/0xa0 [ 3.957488] PGD 0 [ 3.957488] Oops: 0000 [#1] PREEMPT [ 3.957488] CPU: 0 PID: 1 Comm: swapper Not tainted 3.12.0-rc1-00044-g2713c99 #288 [ 3.957488] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3.957488] task: ffff88000d868000 ti: ffff88000d864000 task.ti: ffff88000d864000 [ 3.957488] RIP: 0010:[] [] dma_supported+0x9/0xa0 [ 3.957488] RSP: 0000:ffff88000d865cb0 EFLAGS: 00010202 [ 3.957488] RAX: ffffffff814c0eb0 RBX: 00000000fffffffb RCX: 0000000000000001 [ 3.957488] RDX: 0000000000000780 RSI: 00000000ffffffff RDI: 0000000000000010 [ 3.957488] RBP: ffff88000d865cb0 R08: 0000000000000001 R09: 0000000000000001 [ 3.957488] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 3.957488] R13: ffff88000f617400 R14: ffffffff81c81200 R15: 0000000000000000 [ 3.957488] FS: 0000000000000000(0000) GS:ffffffff81a67000(0000) knlGS:0000000000000000 [ 3.957488] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 3.957488] CR2: 0000000000000248 CR3: 0000000001a58000 CR4: 00000000000006b0 [ 3.957488] Stack: [ 3.957488] ffff88000d865cd8 ffffffff81688086 ffff88000f617410 ffffffff81cfc0e8 [ 3.957488] ffff88000f617400 ffff88000d865d08 ffffffff814c0eee ffffffff814bf38e [ 3.957488] ffff88000f617410 ffff88000f617410 ffffffff81cfc0e8 ffff88000d865d30 [ 3.957488] Call Trace: [ 3.957488] [] dcdbas_probe+0x46/0xb0 [ 3.957488] [] platform_drv_probe+0x3e/0x70 [ 3.957488] [] ? driver_sysfs_add+0x6e/0xa0 [ 3.957488] [] really_probe+0xc5/0x1e0 [ 3.957488] [] ? driver_probe_device+0x20/0x20 [ 3.957488] [] __device_attach+0x55/0x70 [ 3.957488] [] bus_for_each_drv+0x5e/0xb0 [ 3.957488] [] device_attach+0x78/0x90 [ 3.957488] [] bus_probe_device+0x35/0xd0 [ 3.957488] [] device_add+0x4ad/0x720 [ 3.957488] [] platform_device_add+0x180/0x210 [ 3.957488] [] platform_device_register_full+0xb0/0x110 [ 3.957488] [] ? dcdrbu_init+0x15a/0x15a [ 3.957488] [] dcdbas_init+0x26/0x51 [ 3.957488] [] do_one_initcall+0x7d/0x115 [ 3.957488] [] ? parse_args+0x1cd/0x2e0 [ 3.957488] [] kernel_init_freeable+0x143/0x1cf [ 3.957488] [] ? do_early_param+0x8a/0x8a [ 3.957488] [] ? rest_init+0xc0/0xc0 [ 3.957488] [] kernel_init+0x9/0x170 [ 3.957488] [] ret_from_fork+0x7a/0xb0 [ 3.957488] [] ? rest_init+0xc0/0xc0 [ 3.957488] Code: 0c 48 0f bd c6 8d 70 01 e8 65 24 0f 00 48 8b 5d f0 4c 8b 65 f8 c9 c3 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 85 ff 48 89 e5 74 0c <48> 8b 87 38 02 00 00 48 85 c0 75 0b 48 8b 05 3c a0 a5 00 0f 1f [ 3.957488] RIP [] dma_supported+0x9/0xa0 [ 3.957488] RSP [ 3.957488] CR2: 0000000000000248 [ 4.085810] ---[ end trace a5d2c259bd9fa7c4 ]--- /kernel/x86_64-randconfig-c8-0924/2713c99438b00d67b4bd88eaf9713c8645c8daf7/dmesg-quantal-bens-4:20131003185725:3.12.0-rc1-00044-g2713c99:288 /kernel/x86_64-randconfig-c8-0924/2713c99438b00d67b4bd88eaf9713c8645c8daf7/dmesg-quantal-lkp-tt02-17:20131003092523:3.12.0-rc1-00044-g2713c99:288 2713c99438b00d67b4bd88eaf9713c8645c8daf7 is the first bad commit commit 2713c99438b00d67b4bd88eaf9713c8645c8daf7 Author: Russell King Date: Thu Jun 27 14:14:43 2013 +0100 DMA-API: dcdbas: update DMA mask handing dcdbas was explicitly initializing DMA masks thusly: dcdbas_pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); dcdbas_pdev->dev.dma_mask = &dcdbas_pdev->dev.coherent_dma_mask; which bypasses the architecture check. Moreover, it is creating the dcdbas_pdev device itself, and using the platform_device_register_full() avoids some of this explicit initialization. Convert the driver to use platform_device_register_full(), and as it makes use of coherent DMA, also call dma_set_coherent_mask() to ensure that the architecture gets to check the mask. Signed-off-by: Russell King :040000 040000 0eb9e3b126593182dfc1830d3307f7b7ea36d04c 2ecf3d46f15a637a9d2f7fddb5df42eeb607c37b M drivers bisect run success ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c8-0924/linux-devel:devel-cairo-x86_64-201309240752:cf792a24d10b66d903549fe911084fda0cc78bb9:bisect-net 2013-10-03-18:57:41 cf792a24d10b66d903549fe911084fda0cc78bb9 reuse /kernel/x86_64-randconfig-c8-0924/cf792a24d10b66d903549fe911084fda0cc78bb9/vmlinuz-3.12.0-rc1-00043-gcf792a2 2013-10-03-18:57:41 detecting boot state 1 2 11 14 15 19 21 25 28 29 32 33 39 42 44 50.. 52. 53 54 57 58. 60 67 74 75. 76 78. 80 81. 82 84 88 90. 92 93. 95 96 99.. 100 101 102. 104.. 105 106. 107 109.. 110.... 112. 113..... 115. 116 117.. 120. 121 122 123.. 125. 126. 127.. 128.. 129 130.. 131 133... 135.. 136........ 138 139. 141 142 143. 145 146 148. 153.. 154 156 160 162. 163 164.. 165.. 167 168 169.......... 170 171..... 172............ 173.......... 174........ 175................... 176.............................................................................................................................................................................................................................................................................................................add_to_run_queue 4 . 177...................................................................................................................... 179 180 SUCCESS ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c8-0924/linux-devel:devel-cairo-x86_64-201309240752:12c6060d1380098bb69fad0c26200557d0763355:bisect-net TEST FAILURE [ 267.537083] sdhci-pltfm: SDHCI platform and OF driver helper [ 267.602219] ledtrig-cpu: registered to indicate activity on CPUs [ 267.656654] BUG: unable to handle kernel NULL pointer dereference at 0000000000000248 [ 267.656689] IP: [] dma_supported+0x9/0xa0 [ 267.656689] PGD 0 [ 267.656689] Oops: 0000 [#1] PREEMPT [ 267.656689] CPU: 0 PID: 1 Comm: swapper Not tainted 3.12.0-rc2-00154-g12c6060 #3 [ 267.656689] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 267.656689] task: ffff88000d868000 ti: ffff88000d864000 task.ti: ffff88000d864000 [ 267.656689] RIP: 0010:[] [] dma_supported+0x9/0xa0 [ 267.656689] RSP: 0000:ffff88000d865cb0 EFLAGS: 00000202 [ 267.656689] RAX: ffffffff814c0b90 RBX: 00000000fffffffb RCX: 0000000000000001 [ 267.656689] RDX: 0000000000000780 RSI: 00000000ffffffff RDI: 0000000000000010 [ 267.656689] RBP: ffff88000d865cb0 R08: 0000000000000001 R09: 0000000000000001 [ 267.656689] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 267.656689] R13: ffff88000f5eb400 R14: ffffffff81c85240 R15: 0000000000000000 [ 267.656689] FS: 0000000000000000(0000) GS:ffffffff81a6b000(0000) knlGS:0000000000000000 [ 267.656689] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 267.656689] CR2: 0000000000000248 CR3: 0000000001a5c000 CR4: 00000000000006b0 [ 267.656689] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 267.656689] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000 [ 267.656689] Stack: [ 267.656689] ffff88000d865cd8 ffffffff816878d6 ffff88000f5eb410 ffffffff81d00128 [ 267.656689] ffff88000f5eb400 ffff88000d865d08 ffffffff814c0bce ffffffff814bf06e [ 267.656689] ffff88000f5eb410 ffff88000f5eb410 ffffffff81d00128 ffff88000d865d30 [ 267.656689] Call Trace: [ 267.656689] [] dcdbas_probe+0x46/0xb0 [ 267.656689] [] platform_drv_probe+0x3e/0x70 [ 267.656689] [] ? driver_sysfs_add+0x6e/0xa0 [ 267.656689] [] really_probe+0xc5/0x1e0 [ 267.656689] [] ? driver_probe_device+0x20/0x20 [ 267.656689] [] __device_attach+0x55/0x70 [ 267.656689] [] bus_for_each_drv+0x5e/0xb0 [ 267.656689] [] device_attach+0x78/0x90 [ 267.656689] [] bus_probe_device+0x35/0xd0 [ 267.656689] [] device_add+0x4ad/0x720 [ 267.656689] [] platform_device_add+0x180/0x210 [ 267.656689] [] platform_device_register_full+0xb0/0x110 [ 267.656689] [] ? dcdrbu_init+0x15a/0x15a [ 267.656689] [] dcdbas_init+0x26/0x51 [ 267.656689] [] do_one_initcall+0x7d/0x115 [ 267.656689] [] kernel_init_freeable+0x143/0x1cf [ 267.656689] [] ? do_early_param+0x8a/0x8a [ 267.656689] [] ? rest_init+0xc0/0xc0 [ 267.656689] [] kernel_init+0x9/0x170 [ 267.656689] [] ret_from_fork+0x7a/0xb0 [ 267.656689] [] ? rest_init+0xc0/0xc0 [ 267.656689] Code: 0c 48 0f bd c6 8d 70 01 e8 05 24 0f 00 48 8b 5d f0 4c 8b 65 f8 c9 c3 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 85 ff 48 89 e5 74 0c <48> 8b 87 38 02 00 00 48 85 c0 75 0b 48 8b 05 3c e0 a5 00 0f 1f [ 267.656689] RIP [] dma_supported+0x9/0xa0 [ 267.656689] RSP [ 267.656689] CR2: 0000000000000248 [ 267.751209] ---[ end trace a1914743e6b14bdd ]--- /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-quantal-ant-3:20130924081102:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-quantal-bens-1:20131002222836:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-quantal-cairo-22:20131002222740:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-quantal-jaketown-26:20130924080407:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-quantal-jaketown-8:20130924081209:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-quantal-lkp-st01-3:20131002223223:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-quantal-lkp-st01-6:20130924081008:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-quantal-lkp-tt02-10:20130923223322:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-quantal-lkp-tt02-14:20131002125946:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-quantal-lkp-tt02-16:20131002125829:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-quantal-lkp-tt02-20:20130923222447:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-quantal-lkp-tt02-20:20131002125945:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-quantal-lkp-tt02-21:20131002125756:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-quantal-lkp-tt02-7:20130924092539:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-quantal-waimea-10:20131003062902:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-quantal-waimea-10:20131003165647:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-quantal-waimea-15:20131003062704:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-quantal-waimea-15:20131003062719:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-quantal-waimea-6:20131003062908:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-quantal-waimea-8:20131003061523:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-quantal-xps-5:20131003170033:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-yocto-bens-1:20131002222929:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-yocto-jaketown-17:20130924080954:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-yocto-jaketown-40:20131002223228:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-yocto-lkp-st01-11:20131002223222:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-yocto-lkp-tt02-16:20130923222345:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-yocto-lkp-tt02-1:20131002125621:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-yocto-waimea-13:20131003062436:3.12.0-rc2-00154-g12c6060:3 /kernel/x86_64-randconfig-c8-0924/12c6060d1380098bb69fad0c26200557d0763355/dmesg-yocto-xps-5:20131002223017:3.12.0-rc2-00154-g12c6060:3 [detached HEAD f1ee848] Revert "DMA-API: dcdbas: update DMA mask handing" 1 file changed, 11 insertions(+), 12 deletions(-) ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c8-0924/linux-devel:devel-cairo-x86_64-201309240752:f1ee84840f837a5939f40cf07c3e6bceeb2a5432:bisect-net 2013-10-04-00:20:15 f1ee84840f837a5939f40cf07c3e6bceeb2a5432 compiling 2013-10-04-00:24:53 detecting boot state 3.12.0-rc2-00155-gf1ee848.... 5 8. 22 27 29 33 36 37 38 41 45 53 57 64 79 83. 98 115 125 144 152 160 161 162 165.. 169.............................................................................................................................................................................................................................................................................................................add_to_run_queue 11 ... 171 179.............................................................................................................................................................................................................................................................................................................add_to_run_queue 1 ... 180 SUCCESS ========= upstream ========= Fetching linus ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c8-0924/linux-devel:devel-cairo-x86_64-201309240752:6d15ee492809d38bd62237b6d0f6a81d4dd12d15:bisect-net 2013-10-04-05:49:05 6d15ee492809d38bd62237b6d0f6a81d4dd12d15 compiling 2013-10-04-05:53:13 detecting boot state 3.12.0-rc3-00267-g6d15ee4... 6 15 22 26 31 35 42 47 55 60 66 71. 74.. 77.. 83 100 103 113 123 127 134 139 141 151 154 162 164 165 169 173 177 178.......... 179...... 180 SUCCESS ========= linux-next ========= Fetching next ls -a /kernel-tests/run-queue/kvm/x86_64-randconfig-c8-0924/linux-devel:devel-cairo-x86_64-201309240752:a0cf1abc25ac197dd97b857c0f6341066a8cb1cf:bisect-net 2013-10-04-06:22:24 a0cf1abc25ac197dd97b857c0f6341066a8cb1cf compiling 2013-10-04-06:26:44 detecting boot state 3.12.0-rc2-next-20130927-03100-ga0cf1ab.. 2 3 6 8 9. 13 16 18. 19 21 24 28 34 35 46 49 57 66 70 73 77. 79 83 85 89 92 95 97 99 102 107 109 110 115 117 121 127 132 136 142 150 154 161 168 171 173 175 178.............................................................................................................................................................................................................................................................................................................add_to_run_queue 2 ... 180 SUCCESS