HEAD is now at cc12f00... 0day head guard for 'devel-f4-i386-201404100103' git checkout 455c6fdbd219161bd09b1165f11699d6d73de11c ls -a /kernel-tests/run-queue/kvm/i386-randconfig-fd3-0410/linux-devel:devel-f4-i386-201404100103:455c6fdbd219161bd09b1165f11699d6d73de11c:bisect-linux8 2014-04-10-01:15:41 455c6fdbd219161bd09b1165f11699d6d73de11c compiling Queued build task to /kernel-tests/build-queue/i386-randconfig-fd3-0410-455c6fdbd219161bd09b1165f11699d6d73de11c Check for kernel in /kernel/i386-randconfig-fd3-0410/455c6fdbd219161bd09b1165f11699d6d73de11c waiting for completion of /kernel-tests/build-queue/i386-randconfig-fd3-0410-455c6fdbd219161bd09b1165f11699d6d73de11c waiting for completion of /kernel-tests/build-queue/.i386-randconfig-fd3-0410-455c6fdbd219161bd09b1165f11699d6d73de11c kernel: /kernel/i386-randconfig-fd3-0410/455c6fdbd219161bd09b1165f11699d6d73de11c/vmlinuz-3.14.0 2014-04-10-01:30:42 detecting boot state .. 9 20 SUCCESS bisect: good commit 455c6fdbd219161bd09b1165f11699d6d73de11c git bisect start cc12f00ec1a594b08da422a968be635207aa381c 455c6fdbd219161bd09b1165f11699d6d73de11c -- /c/kernel-tests/linear-bisect: ["-b", "cc12f00ec1a594b08da422a968be635207aa381c", "-g", "455c6fdbd219161bd09b1165f11699d6d73de11c", "/c/kernel-tests/bisect-test-boot-failure.sh", "/kernel-tests/linux8/obj-bisect"] Bisecting: 1029 revisions left to test after this (roughly 11 steps) [a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6] Merge 'balancenuma/mm-numa-use-high-bit-v3r1' into devel-f4-i386-201404100103 running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux8/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-fd3-0410/linux-devel:devel-f4-i386-201404100103:a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6:bisect-linux8 2014-04-10-01:32:43 a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6 compiling Queued build task to /kernel-tests/build-queue/i386-randconfig-fd3-0410-a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6 Check for kernel in /kernel/i386-randconfig-fd3-0410/a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6 waiting for completion of /kernel-tests/build-queue/i386-randconfig-fd3-0410-a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6 waiting for completion of /kernel-tests/build-queue/.i386-randconfig-fd3-0410-a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6 kernel: /kernel/i386-randconfig-fd3-0410/a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6/vmlinuz-3.14.0-00055-ga92381a 2014-04-10-01:41:43 detecting boot state . TEST FAILURE [ 0.000000] .text : 0x7b000000 - 0x7bc63b05 (12686 kB) [ 0.000000] Checking if this processor honours the WP bit even in supervisor mode... [ 0.000000] ------------[ cut here ]------------ [ 0.000000] kernel BUG at arch/x86/include/asm/pgtable.h:451! [ 0.000000] invalid opcode: 0000 [#1] DEBUG_PAGEALLOC [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 3.14.0-00055-ga92381a #376 [ 0.000000] task: 7c246820 ti: 7c242000 task.ti: 7c242000 [ 0.000000] EIP: 0060:[<7b0972c9>] EFLAGS: 00210002 CPU: 0 [ 0.000000] EIP is at spurious_fault+0x126/0x244 [ 0.000000] EAX: 00000001 EBX: 00000001 ECX: 00000000 EDX: 00000000 [ 0.000000] ESI: 00000003 EDI: 7c7d7a84 EBP: 7c243e70 ESP: 7c243e50 [ 0.000000] DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068 [ 0.000000] CR0: 8005003b CR2: ffea1000 CR3: 047d4000 CR4: 00000690 [ 0.000000] Stack: [ 0.000000] 00000000 00000000 00000001 047d4161 7c7d4ffc 00000001 ffea1000 00000003 [ 0.000000] 7c243f04 7b0974c4 7c39ba50 7c39ba50 7b1050f1 00000001 7c39ba40 00000001 [ 0.000000] 7c39b9f0 7c39b9f0 00000001 7c39b9e0 7c243eb0 7c246820 0000005c 00000000 [ 0.000000] Call Trace: [ 0.000000] [<7b0974c4>] __do_page_fault+0xdd/0x862 [ 0.000000] [<7b1050f1>] ? console_unlock+0x403/0x737 [ 0.000000] [<7bc5fac5>] ? _raw_spin_unlock_irqrestore+0x67/0x69 [ 0.000000] [<7b105118>] ? console_unlock+0x42a/0x737 [ 0.000000] [<7bc5fac5>] ? _raw_spin_unlock_irqrestore+0x67/0x69 [ 0.000000] [<7b0f9c3c>] ? trace_hardirqs_off_caller+0x63/0xa0 [ 0.000000] [<7b0943ed>] ? kvm_read_and_reset_pf_reason+0x39/0x39 [ 0.000000] [<7b097ea0>] do_page_fault+0x21/0x2b [ 0.000000] [<7b09441b>] do_async_page_fault+0x2e/0x74 [ 0.000000] [<7bc60fb2>] error_code+0x6a/0x70 [ 0.000000] [<7b09007b>] ? ack_apic_level+0x48/0x95 [ 0.000000] [<7bc48196>] ? do_test_wp_bit+0x19/0x23 [ 0.000000] [<7c7470d8>] mem_init+0x1dc/0x23d [ 0.000000] [<7c72e000>] ? x86_cpu_to_apicid+0xa3a/0xa3a [ 0.000000] [<7c72eb5a>] start_kernel+0x1cf/0x47d [ 0.000000] [<7c72e674>] ? repair_env_string+0x99/0x99 [ 0.000000] [<7c72e3c7>] i386_start_kernel+0x175/0x178 [ 0.000000] Code: 07 89 45 ec c1 e8 08 89 c3 b8 f0 ca 43 7c 83 e3 01 89 da e8 0e 77 0c 00 8b 04 9d 98 f1 49 7c 40 85 db 89 04 9d 98 f1 49 7c 74 11 <0f> 0b 8b 55 f0 89 f0 e8 1e f1 ff ff e9 00 ff ff ff 31 c0 f7 45 [ 0.000000] EIP: [<7b0972c9>] spurious_fault+0x126/0x244 SS:ESP 0068:7c243e50 [ 0.000000] ---[ end trace 05e0c07eb1c663a6 ]--- [ 0.000000] Kernel panic - not syncing: Attempted to kill the idle task! /kernel/i386-randconfig-fd3-0410/a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6/dmesg-yocto-f2-4:20140410014105:i386-randconfig-fd3-0410:3.14.0-00055-ga92381a:376 /kernel/i386-randconfig-fd3-0410/a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6/dmesg-quantal-f3-105:20140410014114:i386-randconfig-fd3-0410:3.14.0-00055-ga92381a:376 /kernel/i386-randconfig-fd3-0410/a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6/dmesg-quantal-f3-126:20140410014116:i386-randconfig-fd3-0410:3.14.0-00055-ga92381a:376 /kernel/i386-randconfig-fd3-0410/a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6/dmesg-quantal-f3-60:20140410014106:i386-randconfig-fd3-0410:3.14.0-00055-ga92381a:376 /kernel/i386-randconfig-fd3-0410/a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6/dmesg-quantal-f3-67:20140410014111:i386-randconfig-fd3-0410:3.14.0-00055-ga92381a:376 /kernel/i386-randconfig-fd3-0410/a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6/dmesg-quantal-lkp-ib03-86:20140410014113:i386-randconfig-fd3-0410:3.14.0-00055-ga92381a:376 /kernel/i386-randconfig-fd3-0410/a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6/dmesg-yocto-f2-42:20140410014113:i386-randconfig-fd3-0410:3.14.0-00055-ga92381a:376 /kernel/i386-randconfig-fd3-0410/a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6/dmesg-yocto-lkp-ib04-56:20140410014110:i386-randconfig-fd3-0410:3.14.0-00055-ga92381a:376 /kernel/i386-randconfig-fd3-0410/a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6/dmesg-yocto-f3-109:20140410014116:i386-randconfig-fd3-0410:3.14.0-00055-ga92381a:376 /kernel/i386-randconfig-fd3-0410/a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6/dmesg-quantal-f2-88:20140410014123:i386-randconfig-fd3-0410:3.14.0-00055-ga92381a:376 /kernel/i386-randconfig-fd3-0410/a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6/dmesg-quantal-f4-113:20140410014119:i386-randconfig-fd3-0410:3.14.0-00055-ga92381a:376 /kernel/i386-randconfig-fd3-0410/a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6/dmesg-yocto-f2-34:20140410014123:i386-randconfig-fd3-0410:3.14.0-00055-ga92381a:376 /kernel/i386-randconfig-fd3-0410/a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6/dmesg-yocto-f3-109:20140410014126:i386-randconfig-fd3-0410:3.14.0-00055-ga92381a:376 /kernel/i386-randconfig-fd3-0410/a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6/dmesg-yocto-f3-60:20140410014122:i386-randconfig-fd3-0410:3.14.0-00055-ga92381a:376 /kernel/i386-randconfig-fd3-0410/a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6/dmesg-yocto-lkp-ib03-42:20140410014118:i386-randconfig-fd3-0410:3.14.0-00055-ga92381a:376 /kernel/i386-randconfig-fd3-0410/a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6/dmesg-yocto-lkp-ib04-56:20140410014119:i386-randconfig-fd3-0410:3.14.0-00055-ga92381a:376 /kernel/i386-randconfig-fd3-0410/a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6/dmesg-quantal-f2-27:20140410014127:i386-randconfig-fd3-0410:3.14.0-00055-ga92381a:376 /kernel/i386-randconfig-fd3-0410/a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6/dmesg-quantal-lkp-ib04-55:20140410014128:i386-randconfig-fd3-0410:3.14.0-00055-ga92381a:376 /kernel/i386-randconfig-fd3-0410/a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6/dmesg-yocto-lkp-ib03-42:20140410014127:i386-randconfig-fd3-0410:3.14.0-00055-ga92381a:376 /kernel/i386-randconfig-fd3-0410/a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6/dmesg-yocto-f3-69:20140410014128:i386-randconfig-fd3-0410:3.14.0-00055-ga92381a:376 0:20:20 all_good:bad:all_bad boots 2014-04-10 01:42:14 REPEAT COUNT: 20 # /kernel-tests/linux8/obj-bisect/.repeat Bisecting: 55 revisions left to test after this (roughly 6 steps) [32c51c7b49778c2d2bb61ac9b0bb4872c7f066d2] 0day base guard for 'devel-f4-i386-201404100103' running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux8/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-fd3-0410/linux-devel:devel-f4-i386-201404100103:32c51c7b49778c2d2bb61ac9b0bb4872c7f066d2:bisect-linux8 2014-04-10-01:42:15 32c51c7b49778c2d2bb61ac9b0bb4872c7f066d2 compiling Queued build task to /kernel-tests/build-queue/i386-randconfig-fd3-0410-32c51c7b49778c2d2bb61ac9b0bb4872c7f066d2 Check for kernel in /kernel/i386-randconfig-fd3-0410/32c51c7b49778c2d2bb61ac9b0bb4872c7f066d2 waiting for completion of /kernel-tests/build-queue/i386-randconfig-fd3-0410-32c51c7b49778c2d2bb61ac9b0bb4872c7f066d2 waiting for completion of /kernel-tests/build-queue/.i386-randconfig-fd3-0410-32c51c7b49778c2d2bb61ac9b0bb4872c7f066d2 kernel: /kernel/i386-randconfig-fd3-0410/32c51c7b49778c2d2bb61ac9b0bb4872c7f066d2/vmlinuz-3.14.0-00001-g32c51c7b 2014-04-10-01:50:15 detecting boot state . 20 SUCCESS Bisecting: 54 revisions left to test after this (roughly 6 steps) [41a3bfe0d363cb3949eebc20d563674edc412599] Merge 'mlankhorst/master' into devel-f4-i386-201404100103 running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux8/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-fd3-0410/linux-devel:devel-f4-i386-201404100103:41a3bfe0d363cb3949eebc20d563674edc412599:bisect-linux8 2014-04-10-01:51:16 41a3bfe0d363cb3949eebc20d563674edc412599 compiling Queued build task to /kernel-tests/build-queue/i386-randconfig-fd3-0410-41a3bfe0d363cb3949eebc20d563674edc412599 Check for kernel in /kernel/i386-randconfig-fd3-0410/41a3bfe0d363cb3949eebc20d563674edc412599 waiting for completion of /kernel-tests/build-queue/i386-randconfig-fd3-0410-41a3bfe0d363cb3949eebc20d563674edc412599 waiting for completion of /kernel-tests/build-queue/.i386-randconfig-fd3-0410-41a3bfe0d363cb3949eebc20d563674edc412599 kernel: /kernel/i386-randconfig-fd3-0410/41a3bfe0d363cb3949eebc20d563674edc412599/vmlinuz-3.14.0-00049-g41a3bfe 2014-04-10-01:53:16 detecting boot state .. 4 14 19. 20 SUCCESS linear-bisect: bad branch may be balancenuma/mm-numa-use-high-bit-v3r1 linear-bisect: handle over to git bisect linear-bisect: git bisect start a92381a9275878a5b3a7ab82d62b7f80ee2a7cc6 41a3bfe0d363cb3949eebc20d563674edc412599 -- Previous HEAD position was 41a3bfe... Merge 'mlankhorst/master' into devel-f4-i386-201404100103 HEAD is now at edea0d0... ia64: kill thread_matches(), unexport ptrace_check_attach() Bisecting: 2 revisions left to test after this (roughly 2 steps) [62251a838c47fc8aee402555d8c50475a7584669] mm: Allow FOLL_NUMA on FOLL_FORCE linear-bisect: git bisect run /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux8/obj-bisect running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux8/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-fd3-0410/linux-devel:devel-f4-i386-201404100103:62251a838c47fc8aee402555d8c50475a7584669:bisect-linux8 2014-04-10-01:56:59 62251a838c47fc8aee402555d8c50475a7584669 compiling Queued build task to /kernel-tests/build-queue/i386-randconfig-fd3-0410-62251a838c47fc8aee402555d8c50475a7584669 Check for kernel in /kernel/i386-randconfig-fd3-0410/62251a838c47fc8aee402555d8c50475a7584669 waiting for completion of /kernel-tests/build-queue/i386-randconfig-fd3-0410-62251a838c47fc8aee402555d8c50475a7584669 waiting for completion of /kernel-tests/build-queue/.i386-randconfig-fd3-0410-62251a838c47fc8aee402555d8c50475a7584669 kernel: /kernel/i386-randconfig-fd3-0410/62251a838c47fc8aee402555d8c50475a7584669/vmlinuz-3.14.0-00003-g62251a8 2014-04-10-01:59:59 detecting boot state . TEST FAILURE [ 0.000000] .text : 0x83400000 - 0x8411c3d1 (13424 kB) [ 0.000000] Checking if this processor honours the WP bit even in supervisor mode... [ 0.000000] ------------[ cut here ]------------ [ 0.000000] kernel BUG at arch/x86/include/asm/pgtable.h:451! [ 0.000000] invalid opcode: 0000 [#1] DEBUG_PAGEALLOC [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 3.14.0-00003-g62251a8 #1 [ 0.000000] task: 84700820 ti: 846fc000 task.ti: 846fc000 [ 0.000000] EIP: 0060:[<834a16ea>] EFLAGS: 00210002 CPU: 0 [ 0.000000] EIP is at spurious_fault+0x12a/0x250 [ 0.000000] EAX: 00000001 EBX: 00000001 ECX: 00000000 EDX: 00000000 [ 0.000000] ESI: 00000003 EDI: 84c91a84 EBP: 846fde70 ESP: 846fde50 [ 0.000000] DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068 [ 0.000000] CR0: 8005003b CR2: ffea1000 CR3: 0cc8e000 CR4: 00000690 [ 0.000000] Stack: [ 0.000000] 00000000 00000000 00000001 0cc8e161 84c8effc 00000001 ffea1000 00000003 [ 0.000000] 846fdf04 834a18ed 84855a50 84855a50 835161cf 00000001 84855a40 00000001 [ 0.000000] 848559f0 848559f0 00000001 848559e0 846fdeb0 84700820 0000005c 00000000 [ 0.000000] Call Trace: [ 0.000000] [<834a18ed>] __do_page_fault+0xdd/0x870 [ 0.000000] [<835161cf>] ? console_unlock+0x41f/0x780 [ 0.000000] [<8411823d>] ? _raw_spin_unlock_irqrestore+0x6d/0x70 [ 0.000000] [<835161f6>] ? console_unlock+0x446/0x780 [ 0.000000] [<8411823d>] ? _raw_spin_unlock_irqrestore+0x6d/0x70 [ 0.000000] [<8350a226>] ? trace_hardirqs_off_caller+0x66/0xb0 [ 0.000000] [<8349e230>] ? kvm_read_and_reset_pf_reason+0x40/0x40 [ 0.000000] [<834a22f1>] do_page_fault+0x21/0x30 [ 0.000000] [<8349e25e>] do_async_page_fault+0x2e/0x90 [ 0.000000] [<84119852>] error_code+0x6a/0x70 [ 0.000000] [<834a007b>] ? perf_reg_value+0x9b/0x1a0 [ 0.000000] [<8410035e>] ? do_test_wp_bit+0x19/0x23 [ 0.000000] [<84c010d8>] mem_init+0x1dc/0x23d [ 0.000000] [<84be8000>] ? x86_cpu_to_apicid+0xa3a/0xa3a [ 0.000000] [<84be8b5a>] start_kernel+0x1cf/0x47d [ 0.000000] [<84be8674>] ? repair_env_string+0x99/0x99 [ 0.000000] [<84be83c7>] i386_start_kernel+0x175/0x178 [ 0.000000] Code: 07 89 45 ec c1 e8 08 89 c3 b8 f0 6a 8f 84 83 e3 01 89 da e8 39 42 0d 00 8b 04 9d ac 91 95 84 40 85 db 89 04 9d ac 91 95 84 74 11 <0f> 0b 8b 55 f0 89 f0 e8 5a f0 ff ff e9 fc fe ff ff 31 c0 f7 45 [ 0.000000] EIP: [<834a16ea>] spurious_fault+0x12a/0x250 SS:ESP 0068:846fde50 [ 0.000000] ---[ end trace 05e0c07eb1c663a6 ]--- [ 0.000000] Kernel panic - not syncing: Attempted to kill the idle task! /kernel/i386-randconfig-fd3-0410/62251a838c47fc8aee402555d8c50475a7584669/dmesg-yocto-lkp-ib03-114:20140410015922:i386-randconfig-fd3-0410:3.14.0-00003-g62251a8:1 /kernel/i386-randconfig-fd3-0410/62251a838c47fc8aee402555d8c50475a7584669/dmesg-yocto-lkp-ib03-58:20140410015922:i386-randconfig-fd3-0410:3.14.0-00003-g62251a8:1 /kernel/i386-randconfig-fd3-0410/62251a838c47fc8aee402555d8c50475a7584669/dmesg-yocto-lkp-ib04-13:20140410015918:i386-randconfig-fd3-0410:3.14.0-00003-g62251a8:1 /kernel/i386-randconfig-fd3-0410/62251a838c47fc8aee402555d8c50475a7584669/dmesg-yocto-lkp-ib04-20:20140410015919:i386-randconfig-fd3-0410:3.14.0-00003-g62251a8:1 /kernel/i386-randconfig-fd3-0410/62251a838c47fc8aee402555d8c50475a7584669/dmesg-yocto-lkp-ib04-45:20140410015918:i386-randconfig-fd3-0410:3.14.0-00003-g62251a8:1 /kernel/i386-randconfig-fd3-0410/62251a838c47fc8aee402555d8c50475a7584669/dmesg-yocto-lkp-ib04-64:20140410015919:i386-randconfig-fd3-0410:3.14.0-00003-g62251a8:1 /kernel/i386-randconfig-fd3-0410/62251a838c47fc8aee402555d8c50475a7584669/dmesg-yocto-snb-24:20140410015921:i386-randconfig-fd3-0410:: /kernel/i386-randconfig-fd3-0410/62251a838c47fc8aee402555d8c50475a7584669/dmesg-yocto-snb-2:20140410015919:i386-randconfig-fd3-0410:: /kernel/i386-randconfig-fd3-0410/62251a838c47fc8aee402555d8c50475a7584669/dmesg-yocto-snb-38:20140410015920:i386-randconfig-fd3-0410:: /kernel/i386-randconfig-fd3-0410/62251a838c47fc8aee402555d8c50475a7584669/dmesg-quantal-lkp-ib04-12:20140410015924:i386-randconfig-fd3-0410:3.14.0-00003-g62251a8:1 /kernel/i386-randconfig-fd3-0410/62251a838c47fc8aee402555d8c50475a7584669/dmesg-quantal-lkp-ib04-78:20140410015930:i386-randconfig-fd3-0410:3.14.0-00003-g62251a8:1 /kernel/i386-randconfig-fd3-0410/62251a838c47fc8aee402555d8c50475a7584669/dmesg-quantal-snb-1:20140410015924:i386-randconfig-fd3-0410:: /kernel/i386-randconfig-fd3-0410/62251a838c47fc8aee402555d8c50475a7584669/dmesg-yocto-lkp-ib03-15:20140410015923:i386-randconfig-fd3-0410:3.14.0-00003-g62251a8:1 /kernel/i386-randconfig-fd3-0410/62251a838c47fc8aee402555d8c50475a7584669/dmesg-yocto-lkp-ib03-17:20140410015923:i386-randconfig-fd3-0410:3.14.0-00003-g62251a8:1 /kernel/i386-randconfig-fd3-0410/62251a838c47fc8aee402555d8c50475a7584669/dmesg-yocto-lkp-ib03-70:20140410015925:i386-randconfig-fd3-0410:3.14.0-00003-g62251a8:1 /kernel/i386-randconfig-fd3-0410/62251a838c47fc8aee402555d8c50475a7584669/dmesg-yocto-snb-33:20140410015927:i386-randconfig-fd3-0410:: /kernel/i386-randconfig-fd3-0410/62251a838c47fc8aee402555d8c50475a7584669/dmesg-quantal-lkp-ib03-19:20140410015936:i386-randconfig-fd3-0410:3.14.0-00003-g62251a8:1 /kernel/i386-randconfig-fd3-0410/62251a838c47fc8aee402555d8c50475a7584669/dmesg-quantal-lkp-ib03-52:20140410015934:i386-randconfig-fd3-0410:3.14.0-00003-g62251a8:1 /kernel/i386-randconfig-fd3-0410/62251a838c47fc8aee402555d8c50475a7584669/dmesg-quantal-lkp-ib03-76:20140410015936:i386-randconfig-fd3-0410:3.14.0-00003-g62251a8:1 /kernel/i386-randconfig-fd3-0410/62251a838c47fc8aee402555d8c50475a7584669/dmesg-quantal-lkp-ib03-97:20140410015934:i386-randconfig-fd3-0410:3.14.0-00003-g62251a8:1 0:20:20 all_good:bad:all_bad boots 2014-04-10 02:00:30 REPEAT COUNT: 20 # /kernel-tests/linux8/obj-bisect/.repeat Bisecting: 0 revisions left to test after this (roughly 1 step) [b1a008d57c41562cb9f3fe6159205f971483d66a] x86: Define _PAGE_NUMA by reusing software bits on the PMD and PTE levels running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux8/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-fd3-0410/linux-devel:devel-f4-i386-201404100103:b1a008d57c41562cb9f3fe6159205f971483d66a:bisect-linux8 2014-04-10-02:00:31 b1a008d57c41562cb9f3fe6159205f971483d66a compiling Queued build task to /kernel-tests/build-queue/i386-randconfig-fd3-0410-b1a008d57c41562cb9f3fe6159205f971483d66a Check for kernel in /kernel/i386-randconfig-fd3-0410/b1a008d57c41562cb9f3fe6159205f971483d66a waiting for completion of /kernel-tests/build-queue/i386-randconfig-fd3-0410-b1a008d57c41562cb9f3fe6159205f971483d66a waiting for completion of /kernel-tests/build-queue/.i386-randconfig-fd3-0410-b1a008d57c41562cb9f3fe6159205f971483d66a kernel: /kernel/i386-randconfig-fd3-0410/b1a008d57c41562cb9f3fe6159205f971483d66a/vmlinuz-3.14.0-00002-gb1a008d 2014-04-10-02:02:31 detecting boot state . TEST FAILURE [ 0.000000] .text : 0x86200000 - 0x86f1c411 (13425 kB) [ 0.000000] Checking if this processor honours the WP bit even in supervisor mode... [ 0.000000] ------------[ cut here ]------------ [ 0.000000] kernel BUG at arch/x86/include/asm/pgtable.h:451! [ 0.000000] invalid opcode: 0000 [#1] DEBUG_PAGEALLOC [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 3.14.0-00002-gb1a008d #380 [ 0.000000] task: 874fe820 ti: 874fa000 task.ti: 874fa000 [ 0.000000] EIP: 0060:[<862a16ea>] EFLAGS: 00210002 CPU: 0 [ 0.000000] EIP is at spurious_fault+0x12a/0x250 [ 0.000000] EAX: 00000001 EBX: 00000001 ECX: 00000000 EDX: 00000000 [ 0.000000] ESI: 00000003 EDI: 87a8fa84 EBP: 874fbe70 ESP: 874fbe50 [ 0.000000] DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068 [ 0.000000] CR0: 8005003b CR2: ffea1000 CR3: 0fa8c000 CR4: 00000690 [ 0.000000] Stack: [ 0.000000] 00000000 00000000 00000001 0fa8c161 87a8cffc 00000001 ffea1000 00000003 [ 0.000000] 874fbf04 862a18ed 87653a50 87653a50 863161cf 00000001 87653a40 00000001 [ 0.000000] 876539f0 876539f0 00000001 876539e0 874fbeb0 874fe820 0000005c 00000000 [ 0.000000] Call Trace: [ 0.000000] [<862a18ed>] __do_page_fault+0xdd/0x870 [ 0.000000] [<863161cf>] ? console_unlock+0x41f/0x780 [ 0.000000] [<86f1824d>] ? _raw_spin_unlock_irqrestore+0x6d/0x70 [ 0.000000] [<863161f6>] ? console_unlock+0x446/0x780 [ 0.000000] [<86f1824d>] ? _raw_spin_unlock_irqrestore+0x6d/0x70 [ 0.000000] [<8630a226>] ? trace_hardirqs_off_caller+0x66/0xb0 [ 0.000000] [<8629e230>] ? kvm_read_and_reset_pf_reason+0x40/0x40 [ 0.000000] [<862a22f1>] do_page_fault+0x21/0x30 [ 0.000000] [<8629e25e>] do_async_page_fault+0x2e/0x90 [ 0.000000] [<86f19862>] error_code+0x6a/0x70 [ 0.000000] [<862a007b>] ? perf_reg_value+0x9b/0x1a0 [ 0.000000] [<86f0036e>] ? do_test_wp_bit+0x19/0x23 [ 0.000000] [<879ff0d8>] mem_init+0x1dc/0x23d [ 0.000000] [<879e6000>] ? x86_cpu_to_apicid+0x9fa/0x9fa [ 0.000000] [<879e6b5a>] start_kernel+0x1cf/0x47d [ 0.000000] [<879e6674>] ? repair_env_string+0x99/0x99 [ 0.000000] [<879e63c7>] i386_start_kernel+0x175/0x178 [ 0.000000] Code: 07 89 45 ec c1 e8 08 89 c3 b8 f0 4a 6f 87 83 e3 01 89 da e8 39 42 0d 00 8b 04 9d ac 71 75 87 40 85 db 89 04 9d ac 71 75 87 74 11 <0f> 0b 8b 55 f0 89 f0 e8 5a f0 ff ff e9 fc fe ff ff 31 c0 f7 45 [ 0.000000] EIP: [<862a16ea>] spurious_fault+0x12a/0x250 SS:ESP 0068:874fbe50 [ 0.000000] ---[ end trace 05e0c07eb1c663a6 ]--- [ 0.000000] Kernel panic - not syncing: Attempted to kill the idle task! /kernel/i386-randconfig-fd3-0410/b1a008d57c41562cb9f3fe6159205f971483d66a/dmesg-quantal-f2-68:20140410020241:i386-randconfig-fd3-0410:3.14.0-00002-gb1a008d:380 /kernel/i386-randconfig-fd3-0410/b1a008d57c41562cb9f3fe6159205f971483d66a/dmesg-quantal-f2-96:20140410020241:i386-randconfig-fd3-0410:3.14.0-00002-gb1a008d:380 /kernel/i386-randconfig-fd3-0410/b1a008d57c41562cb9f3fe6159205f971483d66a/dmesg-quantal-f3-110:20140410020242:i386-randconfig-fd3-0410:3.14.0-00002-gb1a008d:380 /kernel/i386-randconfig-fd3-0410/b1a008d57c41562cb9f3fe6159205f971483d66a/dmesg-quantal-f3-118:20140410020242:i386-randconfig-fd3-0410:3.14.0-00002-gb1a008d:380 /kernel/i386-randconfig-fd3-0410/b1a008d57c41562cb9f3fe6159205f971483d66a/dmesg-quantal-f3-31:20140410020242:i386-randconfig-fd3-0410:3.14.0-00002-gb1a008d:380 /kernel/i386-randconfig-fd3-0410/b1a008d57c41562cb9f3fe6159205f971483d66a/dmesg-quantal-f3-41:20140410020242:i386-randconfig-fd3-0410:3.14.0-00002-gb1a008d:380 /kernel/i386-randconfig-fd3-0410/b1a008d57c41562cb9f3fe6159205f971483d66a/dmesg-yocto-f3-63:20140410020242:i386-randconfig-fd3-0410:3.14.0-00002-gb1a008d:380 /kernel/i386-randconfig-fd3-0410/b1a008d57c41562cb9f3fe6159205f971483d66a/dmesg-yocto-f4-17:20140410020241:i386-randconfig-fd3-0410:3.14.0-00002-gb1a008d:380 /kernel/i386-randconfig-fd3-0410/b1a008d57c41562cb9f3fe6159205f971483d66a/dmesg-yocto-f4-43:20140410020241:i386-randconfig-fd3-0410:3.14.0-00002-gb1a008d:380 /kernel/i386-randconfig-fd3-0410/b1a008d57c41562cb9f3fe6159205f971483d66a/dmesg-yocto-lkp-ib03-38:20140410020241:i386-randconfig-fd3-0410:3.14.0-00002-gb1a008d:380 /kernel/i386-randconfig-fd3-0410/b1a008d57c41562cb9f3fe6159205f971483d66a/dmesg-yocto-lkp-ib03-80:20140410020241:i386-randconfig-fd3-0410:3.14.0-00002-gb1a008d:380 /kernel/i386-randconfig-fd3-0410/b1a008d57c41562cb9f3fe6159205f971483d66a/dmesg-quantal-f3-33:20140410020243:i386-randconfig-fd3-0410:3.14.0-00002-gb1a008d:380 /kernel/i386-randconfig-fd3-0410/b1a008d57c41562cb9f3fe6159205f971483d66a/dmesg-yocto-f3-57:20140410020243:i386-randconfig-fd3-0410:3.14.0-00002-gb1a008d:380 /kernel/i386-randconfig-fd3-0410/b1a008d57c41562cb9f3fe6159205f971483d66a/dmesg-yocto-f3-58:20140410020242:i386-randconfig-fd3-0410:3.14.0-00002-gb1a008d:380 /kernel/i386-randconfig-fd3-0410/b1a008d57c41562cb9f3fe6159205f971483d66a/dmesg-yocto-f4-85:20140410020242:i386-randconfig-fd3-0410:3.14.0-00002-gb1a008d:380 /kernel/i386-randconfig-fd3-0410/b1a008d57c41562cb9f3fe6159205f971483d66a/dmesg-yocto-lkp-ib04-24:20140410020243:i386-randconfig-fd3-0410:3.14.0-00002-gb1a008d:380 /kernel/i386-randconfig-fd3-0410/b1a008d57c41562cb9f3fe6159205f971483d66a/dmesg-quantal-snb-1:20140410020248:i386-randconfig-fd3-0410:: /kernel/i386-randconfig-fd3-0410/b1a008d57c41562cb9f3fe6159205f971483d66a/dmesg-quantal-snb-22:20140410020248:i386-randconfig-fd3-0410:: /kernel/i386-randconfig-fd3-0410/b1a008d57c41562cb9f3fe6159205f971483d66a/dmesg-quantal-snb-23:20140410020243:i386-randconfig-fd3-0410:: 0:19:19 all_good:bad:all_bad boots 2014-04-10 02:03:02 REPEAT COUNT: 20 # /kernel-tests/linux8/obj-bisect/.repeat Bisecting: 0 revisions left to test after this (roughly 0 steps) [71bca17d99b3609af44e343287598fb41dd67750] x86: Require x86-64 for automatic NUMA balancing running /c/kernel-tests/bisect-test-boot-failure.sh /kernel-tests/linux8/obj-bisect ls -a /kernel-tests/run-queue/kvm/i386-randconfig-fd3-0410/linux-devel:devel-f4-i386-201404100103:71bca17d99b3609af44e343287598fb41dd67750:bisect-linux8 2014-04-10-02:03:03 71bca17d99b3609af44e343287598fb41dd67750 compiling Queued build task to /kernel-tests/build-queue/i386-randconfig-fd3-0410-71bca17d99b3609af44e343287598fb41dd67750 Check for kernel in /kernel/i386-randconfig-fd3-0410/71bca17d99b3609af44e343287598fb41dd67750 waiting for completion of /kernel-tests/build-queue/i386-randconfig-fd3-0410-71bca17d99b3609af44e343287598fb41dd67750 waiting for completion of /kernel-tests/build-queue/.i386-randconfig-fd3-0410-71bca17d99b3609af44e343287598fb41dd67750 kernel: /kernel/i386-randconfig-fd3-0410/71bca17d99b3609af44e343287598fb41dd67750/vmlinuz-3.14.0-00001-g71bca17 2014-04-10-02:05:03 detecting boot state .. 12 20 SUCCESS b1a008d57c41562cb9f3fe6159205f971483d66a is the first bad commit commit b1a008d57c41562cb9f3fe6159205f971483d66a Author: Mel Gorman Date: Mon Apr 7 10:25:12 2014 +0100 x86: Define _PAGE_NUMA by reusing software bits on the PMD and PTE levels _PAGE_NUMA is currently an alias of _PROT_PROTNONE to trap NUMA hinting faults. Care is taken such that _PAGE_NUMA is used only in situations where the VMA flags distinguish between NUMA hinting faults and prot_none faults. Conceptually this is difficult and it has caused problems. Fundamentally, we only need the _PAGE_NUMA bit to tell the difference between an entry that is really unmapped and a page that is protected for NUMA hinting faults as if the PTE is not present then a fault will be trapped. Currently one of the software bits is used for identifying IO mappings and by Xen to track if it's a Xen PTE or a machine PFN. This patch reuses the software bit for IOMAP for NUMA hinting faults with the expectation that the bit is not used for userspace addresses. Xen and NUMA balancing are now mutually exclusive in Kconfig. Signed-off-by: Mel Gorman :040000 040000 19c16f9352e18c11877335f9458bc4d86a3b9b10 517b2ddfa1e00a58299d9bd5aaba4c68da62b688 M arch bisect run success HEAD is now at 71bca17... x86: Require x86-64 for automatic NUMA balancing ls -a /kernel-tests/run-queue/kvm/i386-randconfig-fd3-0410/linux-devel:devel-f4-i386-201404100103:71bca17d99b3609af44e343287598fb41dd67750:bisect-linux8 2014-04-10-02:07:04 71bca17d99b3609af44e343287598fb41dd67750 reuse /kernel/i386-randconfig-fd3-0410/71bca17d99b3609af44e343287598fb41dd67750/vmlinuz-3.14.0-00001-g71bca17 2014-04-10-02:07:04 detecting boot state ... 36 49 59 60 SUCCESS Previous HEAD position was 71bca17... x86: Require x86-64 for automatic NUMA balancing HEAD is now at cc12f00... 0day head guard for 'devel-f4-i386-201404100103' ls -a /kernel-tests/run-queue/kvm/i386-randconfig-fd3-0410/linux-devel:devel-f4-i386-201404100103:cc12f00ec1a594b08da422a968be635207aa381c:bisect-linux8 TEST FAILURE [ 0.000000] .text : 0x83400000 - 0x84065405 (12693 kB) [ 0.000000] Checking if this processor honours the WP bit even in supervisor mode... [ 0.000000] ------------[ cut here ]------------ [ 0.000000] kernel BUG at arch/x86/include/asm/pgtable.h:451! [ 0.000000] invalid opcode: 0000 [#1] DEBUG_PAGEALLOC [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 3.14.0-01029-gcc12f00 #372 [ 0.000000] task: 84648820 ti: 84644000 task.ti: 84644000 [ 0.000000] EIP: 0060:[<834972c9>] EFLAGS: 00200002 CPU: 0 [ 0.000000] EIP is at spurious_fault+0x126/0x244 [ 0.000000] EAX: 00000001 EBX: 00000001 ECX: 00000000 EDX: 00000000 [ 0.000000] ESI: 00000003 EDI: 84bd9a84 EBP: 84645e7c ESP: 84645e5c [ 0.000000] DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068 [ 0.000000] CR0: 8005003b CR2: ffea1000 CR3: 0cbd6000 CR4: 00000690 [ 0.000000] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 [ 0.000000] DR6: 00000000 DR7: 00000000 [ 0.000000] Stack: [ 0.000000] 850f520a 00000006 850fffff 0cbd6161 84bd6ffc 00000001 ffea1000 00000003 [ 0.000000] 84645f10 834974c4 00000001 8479da40 00000001 8479d9f0 8479d9f0 00000001 [ 0.000000] 8479d9e0 84645eb0 83500154 00200046 834f9db5 84648820 0000005c 00000000 [ 0.000000] Call Trace: [ 0.000000] [<834974c4>] __do_page_fault+0xdd/0x862 [ 0.000000] [<83500154>] ? do_raw_spin_unlock+0xc9/0x111 [ 0.000000] [<834f9db5>] ? trace_hardirqs_off+0xb/0xd [ 0.000000] [<83505118>] ? console_unlock+0x42a/0x737 [ 0.000000] [<840613d5>] ? _raw_spin_unlock_irqrestore+0x67/0x69 [ 0.000000] [<834f9c3c>] ? trace_hardirqs_off_caller+0x63/0xa0 [ 0.000000] [<834f9c3c>] ? trace_hardirqs_off_caller+0x63/0xa0 [ 0.000000] [<83497e7f>] ? vmalloc_sync_all+0x236/0x236 [ 0.000000] [<83497ea0>] do_page_fault+0x21/0x2b [ 0.000000] [<840628c2>] error_code+0x6a/0x70 [ 0.000000] [<84049a66>] ? do_test_wp_bit+0x19/0x23 [ 0.000000] [<84b490d8>] mem_init+0x1dc/0x23d [ 0.000000] [<84b30000>] ? x86_cpu_to_apicid+0x77a/0x77a [ 0.000000] [<84b30b5a>] start_kernel+0x1cf/0x47d [ 0.000000] [<84b30674>] ? repair_env_string+0x99/0x99 [ 0.000000] [<84b303c7>] i386_start_kernel+0x175/0x178 [ 0.000000] Code: 07 89 45 ec c1 e8 08 89 c3 b8 30 e9 83 84 83 e3 01 89 da e8 0e 77 0c 00 8b 04 9d 50 10 8a 84 40 85 db 89 04 9d 50 10 8a 84 74 11 <0f> 0b 8b 55 f0 89 f0 e8 1e f1 ff ff e9 00 ff ff ff 31 c0 f7 45 [ 0.000000] EIP: [<834972c9>] spurious_fault+0x126/0x244 SS:ESP 0068:84645e5c [ 0.000000] ---[ end trace 05e0c07eb1c663a6 ]--- [ 0.000000] Kernel panic - not syncing: Attempted to kill the idle task! /kernel/i386-randconfig-fd3-0410/cc12f00ec1a594b08da422a968be635207aa381c/dmesg-quantal-f2-86:20140410011528:i386-randconfig-fd3-0410:3.14.0-01029-gcc12f00:372 /kernel/i386-randconfig-fd3-0410/cc12f00ec1a594b08da422a968be635207aa381c/dmesg-quantal-lkp-ib04-71:20140410011521:i386-randconfig-fd3-0410:3.14.0-01029-gcc12f00:372 /kernel/i386-randconfig-fd3-0410/cc12f00ec1a594b08da422a968be635207aa381c/dmesg-yocto-lkp-ib03-95:20140410011525:i386-randconfig-fd3-0410:3.14.0-01029-gcc12f00:372 /kernel/i386-randconfig-fd3-0410/cc12f00ec1a594b08da422a968be635207aa381c/dmesg-quantal-inn-24:20140410011522:i386-randconfig-fd3-0410:: /kernel/i386-randconfig-fd3-0410/cc12f00ec1a594b08da422a968be635207aa381c/dmesg-quantal-lkp-ib03-4:20140410011404:i386-randconfig-fd3-0410:3.14.0-01029-gcc12f00:372 /kernel/i386-randconfig-fd3-0410/cc12f00ec1a594b08da422a968be635207aa381c/dmesg-quantal-f3-119:20140410011523:i386-randconfig-fd3-0410:3.14.0-01029-gcc12f00:372 /kernel/i386-randconfig-fd3-0410/cc12f00ec1a594b08da422a968be635207aa381c/dmesg-quantal-f2-86:20140410011518:i386-randconfig-fd3-0410:3.14.0-01029-gcc12f00:372 /kernel/i386-randconfig-fd3-0410/cc12f00ec1a594b08da422a968be635207aa381c/dmesg-quantal-f3-126:20140410011354:i386-randconfig-fd3-0410:3.14.0-01029-gcc12f00:372 /kernel/i386-randconfig-fd3-0410/cc12f00ec1a594b08da422a968be635207aa381c/dmesg-quantal-f3-127:20140410011354:i386-randconfig-fd3-0410:3.14.0-01029-gcc12f00:372 /kernel/i386-randconfig-fd3-0410/cc12f00ec1a594b08da422a968be635207aa381c/dmesg-quantal-brickland3-21:20140410011519:i386-randconfig-fd3-0410:3.14.0-01029-gcc12f00:372 /kernel/i386-randconfig-fd3-0410/cc12f00ec1a594b08da422a968be635207aa381c/dmesg-quantal-f3-127:20140410011521:i386-randconfig-fd3-0410:3.14.0-01029-gcc12f00:372 /kernel/i386-randconfig-fd3-0410/cc12f00ec1a594b08da422a968be635207aa381c/dmesg-yocto-lkp-ib03-16:20140410011524:i386-randconfig-fd3-0410:3.14.0-01029-gcc12f00:372 /kernel/i386-randconfig-fd3-0410/cc12f00ec1a594b08da422a968be635207aa381c/dmesg-yocto-lkp-ib03-109:20140410011525:i386-randconfig-fd3-0410:3.14.0-01029-gcc12f00:372 0:13:13 all_good:bad:all_bad boots HEAD is now at cc12f00 0day head guard for 'devel-f4-i386-201404100103' ========= upstream ========= Previous HEAD position was cc12f00... 0day head guard for 'devel-f4-i386-201404100103' HEAD is now at 39de65a... Merge branch 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux ls -a /kernel-tests/run-queue/kvm/i386-randconfig-fd3-0410/linus:master:39de65aa2c3eee901db020a4f1396998e09602a3:bisect-linux8 2014-04-10-02:10:42 39de65aa2c3eee901db020a4f1396998e09602a3 reuse /kernel/i386-randconfig-fd3-0410/39de65aa2c3eee901db020a4f1396998e09602a3/vmlinuz-3.14.0-12236-g39de65a 2014-04-10-02:10:42 detecting boot state .. 5 49 60 SUCCESS ========= linux-next ========= Previous HEAD position was 39de65a... Merge branch 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux HEAD is now at 35e2933... Add linux-next specific files for 20140409 ls -a /kernel-tests/run-queue/kvm/i386-randconfig-fd3-0410/next:master:35e2933ca69ef1b8061e5aee090535410336e063:bisect-linux8 2014-04-10-02:13:15 35e2933ca69ef1b8061e5aee090535410336e063 compiling Queued build task to /kernel-tests/build-queue/i386-randconfig-fd3-0410-35e2933ca69ef1b8061e5aee090535410336e063 Check for kernel in /kernel/i386-randconfig-fd3-0410/35e2933ca69ef1b8061e5aee090535410336e063 waiting for completion of /kernel-tests/build-queue/i386-randconfig-fd3-0410-35e2933ca69ef1b8061e5aee090535410336e063 waiting for completion of /kernel-tests/build-queue/.i386-randconfig-fd3-0410-35e2933ca69ef1b8061e5aee090535410336e063 kernel: /kernel/i386-randconfig-fd3-0410/35e2933ca69ef1b8061e5aee090535410336e063/vmlinuz-3.14.0-next-20140409 2014-04-10-02:17:15 detecting boot state .. 11 44 59 60 SUCCESS