Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753202AbbDHDaH (ORCPT ); Tue, 7 Apr 2015 23:30:07 -0400 Received: from mga09.intel.com ([134.134.136.24]:56009 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751486AbbDHDaE (ORCPT ); Tue, 7 Apr 2015 23:30:04 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.11,541,1422950400"; d="scan'208";a="676795012" Date: Wed, 8 Apr 2015 11:30:00 +0800 From: Fengguang Wu To: Chris Metcalf Cc: fengguang.wu@intel.com, LKP , linux-kernel@vger.kernel.org Subject: [watchdog] WARNING: CPU: 0 PID: 1 at mm/memblock.c:1151 memblock_virt_alloc_internal() Message-ID: <20150408033000.GA30602@wfg-t540p.sh.intel.com> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="oyUTqETQ0mS9luUI" Content-Disposition: inline User-Agent: Heirloom mailx 12.5 6/20/10 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 56183 Lines: 1047 --oyUTqETQ0mS9luUI Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Greetings, 0day kernel testing robot got the below dmesg and the first bad commit is git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master commit e164ade07b215cc33da6831734140f0aa0615d0a Author: Chris Metcalf AuthorDate: Thu Apr 2 13:25:32 2015 -0400 Commit: Chris Metcalf CommitDate: Mon Apr 6 12:35:02 2015 -0400 watchdog: add watchdog_exclude sysctl to assist nohz Change the default behavior of watchdog so it only runs on the housekeeping cores when nohz_full is enabled at build and boot time. Allow modifying the set of cores the watchdog is currently running on with a new kernel.watchdog_exclude sysctl. Signed-off-by: Chris Metcalf +----------------------------------------------------------+------------+------------+---------------+ | | a578fc8f8d | e164ade07b | next-20150407 | +----------------------------------------------------------+------------+------------+---------------+ | boot_successes | 0 | 0 | 0 | | boot_failures | 80 | 20 | 12 | | WARNING:at_lib/debugobjects.c:#__debug_object_init() | 80 | | | | page_allocation_failure:order:#,mode | 80 | | | | Out_of_memory:Kill_process | 33 | | | | backtrace:__debug_object_init | 80 | | | | backtrace:warn_slowpath_null | 80 | | | | backtrace:debug_object_init | 80 | | | | backtrace:__init_work | 80 | | | | backtrace:rhashtable_init | 80 | | | | backtrace:test_rht_init | 80 | | | | backtrace:kernel_init_freeable | 80 | 20 | 12 | | backtrace:btrfs_test_extent_io | 80 | | | | backtrace:init_btrfs_fs | 80 | | | | WARNING:at_mm/memblock.c:#memblock_virt_alloc_internal() | 0 | 20 | 12 | | BUG:KASan:user-memory-access_on_address(null) | 0 | 20 | 12 | | BUG:unable_to_handle_kernel | 0 | 20 | 12 | | Oops | 0 | 20 | 12 | | RIP:__bitmap_empty | 0 | 20 | | | Kernel_panic-not_syncing:Fatal_exception | 0 | 20 | 12 | | backtrace:alloc_bootmem_cpumask_var | 0 | 20 | 12 | | backtrace:lockup_detector_init | 0 | 20 | 12 | | backtrace:__bitmap_empty | 0 | 20 | | | RIP:find_first_bit | 0 | 0 | 12 | | backtrace:find_first_bit | 0 | 0 | 12 | +----------------------------------------------------------+------------+------------+---------------+ [ 0.177042] smpboot: CPU0: Intel Common KVM processor (fam: 0f, model: 06, stepping: 01) [ 0.179108] Performance Events: unsupported Netburst CPU model 6 no PMU driver, software events only. [ 0.187261] ------------[ cut here ]------------ [ 0.188011] WARNING: CPU: 0 PID: 1 at mm/memblock.c:1151 memblock_virt_alloc_internal+0x7e/0x149() [ 0.189008] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.0.0-rc1-00012-ge164ade #11 [ 0.190005] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140531_083030-gandalf 04/01/2014 [ 0.191005] ffffffff82459271 ffff88000db9fd98 ffffffff81ff9f0e 0000000080000000 [ 0.193004] 0000000000000000 ffff88000db9fde8 ffffffff8112a2b8 fffffbfff04e2930 [ 0.195004] ffffffff82a3ba79 ffff88000db9fdd8 0000000000000000 0000000000000400 [ 0.197004] Call Trace: [ 0.198011] [] dump_stack+0x4f/0x7b [ 0.199009] [] warn_slowpath_common+0xba/0xd8 [ 0.200009] [] ? memblock_virt_alloc_internal+0x7e/0x149 [ 0.201008] [] warn_slowpath_null+0x1a/0x1c [ 0.202008] [] memblock_virt_alloc_internal+0x7e/0x149 [ 0.203008] [] memblock_virt_alloc_try_nid+0x5f/0x9c [ 0.204009] [] alloc_bootmem_cpumask_var+0x1e/0x31 [ 0.205008] [] lockup_detector_init+0x2e/0xf8 [ 0.206009] [] kernel_init_freeable+0xd0/0x249 [ 0.207008] [] ? rest_init+0xd5/0xd5 [ 0.208007] [] kernel_init+0x11/0xef [ 0.209007] [] ? rest_init+0xd5/0xd5 [ 0.210009] [] ret_from_fork+0x7c/0xb0 [ 0.211008] [] ? rest_init+0xd5/0xd5 [ 0.212024] ---[ end trace 2aec86b663049736 ]--- [ 0.213023] ================================================================== git bisect start 44bf159dfed5558083f97d792cb4bebdbcbf3061 f22e6e847115abc3a0e2ad7bb18d243d42275af1 -- git bisect bad f2557a9d44457b444ec69b3691fc0c1571ddf087 # 00:55 0- 20 Merge remote-tracking branch 'drm-panel/drm/panel/for-next' git bisect bad f01054f7e15e9114def6e7441abf6c37e6fa6f21 # 00:57 0- 20 Merge remote-tracking branch 'tile/master' git bisect good e5a6058af54727023a6e1765fd167ca4ae1782eb # 01:01 20+ 20 Merge remote-tracking branch 'samsung/for-next' git bisect good 2800a1cd484a2eca221bd09837c47a2485ea0cd1 # 01:08 20+ 20 Merge remote-tracking branch 'm68k/for-next' git bisect good a07a71a1637fa160946455268e15b3a3973320fa # 01:18 20+ 20 Merge remote-tracking branch 'parisc-hd/for-next' git bisect good 5fbccbbac0e2fb3fcb3564ac40834380866acfa4 # 01:21 20+ 20 Merge remote-tracking branch 'powerpc-mpe/next' git bisect good 144523fada84074c56325c63ecb7cb3e672740d7 # 01:24 20+ 20 Merge remote-tracking branch 'fsl/next' git bisect good 1e961dafe183e63830e8b973afbb44bdf9e52f2a # 01:27 20+ 20 Merge remote-tracking branch 's390/features' git bisect good f46c8d1e94b46ad0b22bd0a9d6d62d64aa9c7926 # 01:32 20+ 20 nohz: add tick_nohz_full_clear_cpus() and _set_cpus() APIs git bisect good 16125f97cfdeb4e093e18c59da14eafbb4040786 # 01:36 20+ 20 tile: ftrace: fix function_graph tracer issues git bisect good a578fc8f8db52a5832c5e6ff819ff28fb9729789 # 01:39 20+ 20 smpboot: allow excluding cpus from the smpboot threads git bisect bad e164ade07b215cc33da6831734140f0aa0615d0a # 01:42 0- 20 watchdog: add watchdog_exclude sysctl to assist nohz # first bad commit: [e164ade07b215cc33da6831734140f0aa0615d0a] watchdog: add watchdog_exclude sysctl to assist nohz git bisect good a578fc8f8db52a5832c5e6ff819ff28fb9729789 # 01:49 60+ 80 smpboot: allow excluding cpus from the smpboot threads # extra tests with DEBUG_INFO # extra tests on HEAD of next/master git bisect bad 44bf159dfed5558083f97d792cb4bebdbcbf3061 # 01:53 0- 12 Add linux-next specific files for 20150407 # extra tests on tree/branch next/master git bisect bad 44bf159dfed5558083f97d792cb4bebdbcbf3061 # 01:53 0- 12 Add linux-next specific files for 20150407 # extra tests on tree/branch linus/master git bisect good f22e6e847115abc3a0e2ad7bb18d243d42275af1 # 01:56 60+ 82 Linux 4.0-rc7 # extra tests on tree/branch next/master git bisect bad 44bf159dfed5558083f97d792cb4bebdbcbf3061 # 01:56 0- 12 Add linux-next specific files for 20150407 This script may reproduce the error. ---------------------------------------------------------------------------- #!/bin/bash kernel=$1 kvm=( qemu-system-x86_64 -enable-kvm -cpu kvm64 -kernel $kernel -m 300 -smp 2 -device e1000,netdev=net0 -netdev user,id=net0 -boot order=nc -no-reboot -watchdog i6300esb -rtc base=localtime -serial stdio -display none -monitor null ) append=( hung_task_panic=1 earlyprintk=ttyS0,115200 rd.udev.log-priority=err systemd.log_target=journal systemd.log_level=warning debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal root=/dev/ram0 rw drbd.minor_count=8 ) "${kvm[@]}" --append "${append[*]}" ---------------------------------------------------------------------------- Thanks, Fengguang --oyUTqETQ0mS9luUI Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename="dmesg-quantal-ivb42-128:20150408014055:x86_64-randconfig-nexs0-04080042:4.0.0-rc1-00012-ge164ade:11" Content-Transfer-Encoding: quoted-printable early console in setup code early console in decompress_kernel Decompressing Linux... Parsing ELF... done. Booting the kernel. [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Linux version 4.0.0-rc1-00012-ge164ade (kbuild@lkp-nex05) (g= cc version 4.9.2 (Debian 4.9.2-10) ) #11 SMP PREEMPT Wed Apr 8 01:39:18 CST= 2015 [ 0.000000] Command line: hung_task_panic=3D1 earlyprintk=3DttyS0,115200= rd.udev.log-priority=3Derr systemd.log_target=3Djournal systemd.log_level= =3Dwarning debug apic=3Ddebug sysrq_always_enabled rcupdate.rcu_cpu_stall_t= imeout=3D100 panic=3D-1 softlockup_panic=3D1 nmi_watchdog=3Dpanic oops=3Dpa= nic load_ramdisk=3D2 prompt_ramdisk=3D0 console=3DttyS0,115200 console=3Dtt= y0 vga=3Dnormal root=3D/dev/ram0 rw link=3D/kbuild-tests/run-queue/kvm/x86= _64-randconfig-nexs0-04080042/next:master:e164ade07b215cc33da6831734140f0aa= 0615d0a:bisect-linux-2/.vmlinuz-e164ade07b215cc33da6831734140f0aa0615d0a-20= 150408013932-3-ivb42 branch=3Dnext/master BOOT_IMAGE=3D/kernel/x86_64-randc= onfig-nexs0-04080042/e164ade07b215cc33da6831734140f0aa0615d0a/vmlinuz-4.0.0= -rc1-00012-ge164ade drbd.minor_count=3D8 [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reser= ved [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reser= ved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x0000000012bdffff] usable [ 0.000000] BIOS-e820: [mem 0x0000000012be0000-0x0000000012bfffff] reser= ved [ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reser= ved [ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reser= ved [ 0.000000] bootconsole [earlyser0] enabled [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.8 present. [ 0.000000] DMI: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-2014= 0531_083030-gandalf 04/01/2014 [ 0.000000] Hypervisor detected: KVM [ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable =3D=3D> rese= rved [ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable [ 0.000000] e820: last_pfn =3D 0x12be0 max_arch_pfn =3D 0x400000000 [ 0.000000] MTRR default type: write-back [ 0.000000] MTRR fixed ranges enabled: [ 0.000000] 00000-9FFFF write-back [ 0.000000] A0000-BFFFF uncachable [ 0.000000] C0000-FFFFF write-protect [ 0.000000] MTRR variable ranges enabled: [ 0.000000] 0 base 0080000000 mask FF80000000 uncachable [ 0.000000] 1 disabled [ 0.000000] 2 disabled [ 0.000000] 3 disabled [ 0.000000] 4 disabled [ 0.000000] 5 disabled [ 0.000000] 6 disabled [ 0.000000] 7 disabled [ 0.000000] PAT configuration [0-7]: WB WC UC- UC WB WC UC- UC =20 [ 0.000000] Scan for SMP in [mem 0x00000000-0x000003ff] [ 0.000000] Scan for SMP in [mem 0x0009fc00-0x0009ffff] [ 0.000000] Scan for SMP in [mem 0x000f0000-0x000fffff] [ 0.000000] found SMP MP-table at [mem 0x000f0e80-0x000f0e8f] mapped at = [ffff8800000f0e80] [ 0.000000] mpc: f0e90-f0fac [ 0.000000] Scanning 1 areas for low memory corruption [ 0.000000] Base memory trampoline at [ffff880000099000] 99000 size 24576 [ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff] [ 0.000000] [mem 0x00000000-0x000fffff] page 4k [ 0.000000] BRK [0x039c4000, 0x039c4fff] PGTABLE [ 0.000000] BRK [0x039c5000, 0x039c5fff] PGTABLE [ 0.000000] BRK [0x039c6000, 0x039c6fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x11200000-0x113fffff] [ 0.000000] [mem 0x11200000-0x113fffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x00100000-0x111fffff] [ 0.000000] [mem 0x00100000-0x001fffff] page 4k [ 0.000000] [mem 0x00200000-0x111fffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x11400000-0x12bdffff] [ 0.000000] [mem 0x11400000-0x129fffff] page 2M [ 0.000000] [mem 0x12a00000-0x12bdffff] page 4k [ 0.000000] BRK [0x039c7000, 0x039c7fff] PGTABLE [ 0.000000] RAMDISK: [mem 0x11525000-0x12bd7fff] [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000F0C60 000014 (v00 BOCHS ) [ 0.000000] ACPI: RSDT 0x0000000012BE18BD 000034 (v01 BOCHS BXPCRSDT 00= 000001 BXPC 00000001) [ 0.000000] ACPI: FACP 0x0000000012BE0B37 000074 (v01 BOCHS BXPCFACP 00= 000001 BXPC 00000001) [ 0.000000] ACPI: DSDT 0x0000000012BE0040 000AF7 (v01 BOCHS BXPCDSDT 00= 000001 BXPC 00000001) [ 0.000000] ACPI: FACS 0x0000000012BE0000 000040 [ 0.000000] ACPI: SSDT 0x0000000012BE0BAB 000C5A (v01 BOCHS BXPCSSDT 00= 000001 BXPC 00000001) [ 0.000000] ACPI: APIC 0x0000000012BE1805 000080 (v01 BOCHS BXPCAPIC 00= 000001 BXPC 00000001) [ 0.000000] ACPI: HPET 0x0000000012BE1885 000038 (v01 BOCHS BXPCHPET 00= 000001 BXPC 00000001) [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] mapped APIC to ffffffffff57d000 ( fee00000) [ 0.000000] No NUMA configuration found [ 0.000000] Faking a node at [mem 0x0000000000000000-0x0000000012bdffff] [ 0.000000] NODE_DATA(0) allocated [mem 0x114ff000-0x11524fff] [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: cpu 0, msr 0:1147f001, primary cpu clock [ 0.000000] [ffffea0000000000-ffffea00005fffff] PMD -> [ffff88001060000= 0-ffff880010bfffff] on node 0 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.000000] DMA32 [mem 0x0000000001000000-0x0000000012bdffff] [ 0.000000] Normal empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.000000] node 0: [mem 0x0000000000100000-0x0000000012bdffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x0000000012bdf= fff] [ 0.000000] On node 0 totalpages: 76670 [ 0.000000] DMA zone: 64 pages used for memmap [ 0.000000] DMA zone: 21 pages reserved [ 0.000000] DMA zone: 3998 pages, LIFO batch:0 [ 0.000000] DMA32 zone: 1136 pages used for memmap [ 0.000000] DMA32 zone: 72672 pages, LIFO batch:15 [ 0.000000] [ffffed0000000000-ffffed00001fffff] PMD -> [ffff88001120000= 0-ffff8800113fffff] on node -1 [ 0.000000] [ffffed0000200000-ffffed00003fffff] PMD -> [ffff88001100000= 0-ffff8800111fffff] on node -1 [ 0.000000] [ffffed0000400000-ffffed00005fffff] PMD -> [ffff880010e0000= 0-ffff880010ffffff] on node -1 [ 0.000000] [ffffed0000600000-ffffed00007fffff] PMD -> [ffff880010c0000= 0-ffff880010dfffff] on node -1 [ 0.000000] [ffffed0000800000-ffffed00009fffff] PMD -> [ffff88001040000= 0-ffff8800105fffff] on node -1 [ 0.000000] [ffffed0000a00000-ffffed0000bfffff] PMD -> [ffff88001020000= 0-ffff8800103fffff] on node -1 [ 0.000000] [ffffed0000c00000-ffffed0000dfffff] PMD -> [ffff88001000000= 0-ffff8800101fffff] on node -1 [ 0.000000] [ffffed0000e00000-ffffed0000ffffff] PMD -> [ffff88000fe0000= 0-ffff88000fffffff] on node -1 [ 0.000000] [ffffed0001000000-ffffed00011fffff] PMD -> [ffff88000fc0000= 0-ffff88000fdfffff] on node -1 [ 0.000000] [ffffed0001200000-ffffed00013fffff] PMD -> [ffff88000fa0000= 0-ffff88000fbfffff] on node -1 [ 0.000000] [ffffed0001400000-ffffed00015fffff] PMD -> [ffff88000f80000= 0-ffff88000f9fffff] on node -1 [ 0.000000] [ffffed0001600000-ffffed00017fffff] PMD -> [ffff88000f60000= 0-ffff88000f7fffff] on node -1 [ 0.000000] [ffffed0001800000-ffffed00019fffff] PMD -> [ffff88000f40000= 0-ffff88000f5fffff] on node -1 [ 0.000000] [ffffed0001a00000-ffffed0001bfffff] PMD -> [ffff88000f20000= 0-ffff88000f3fffff] on node -1 [ 0.000000] [ffffed0001c00000-ffffed0001dfffff] PMD -> [ffff88000f00000= 0-ffff88000f1fffff] on node -1 [ 0.000000] [ffffed0001e00000-ffffed0001ffffff] PMD -> [ffff88000ee0000= 0-ffff88000effffff] on node -1 [ 0.000000] [ffffed0002000000-ffffed00021fffff] PMD -> [ffff88000ec0000= 0-ffff88000edfffff] on node -1 [ 0.000000] [ffffed0002200000-ffffed00023fffff] PMD -> [ffff88000ea0000= 0-ffff88000ebfffff] on node -1 [ 0.000000] [ffffed0002400000-ffffed00025fffff] PMD -> [ffff88000e80000= 0-ffff88000e9fffff] on node -1 [ 0.000000] [fffffbfff0200035-fffffbfff0400034] PMD -> [ffff88000e60000= 0-ffff88000e7fffff] on node -1 [ 0.000000] [fffffbfff0400000-fffffbfff05fffff] PMD -> [ffff88000e40000= 0-ffff88000e5fffff] on node -1 [ 0.000000] ACPI: PM-Timer IO Port: 0x608 [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] mapped APIC to ffffffffff57d000 ( fee00000) [ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.000000] ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0]) [ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-= 23 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 00, APIC ID 0, APIC = INT 02 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 05, APIC ID 0, APIC = INT 05 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 09, APIC ID 0, APIC = INT 09 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 0a, APIC ID 0, APIC = INT 0a [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 0b, APIC ID 0, APIC = INT 0b [ 0.000000] ACPI: IRQ0 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 01, APIC ID 0, APIC = INT 01 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 03, APIC ID 0, APIC = INT 03 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 04, APIC ID 0, APIC = INT 04 [ 0.000000] ACPI: IRQ5 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 06, APIC ID 0, APIC = INT 06 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 07, APIC ID 0, APIC = INT 07 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 08, APIC ID 0, APIC = INT 08 [ 0.000000] ACPI: IRQ9 used by override. [ 0.000000] ACPI: IRQ10 used by override. [ 0.000000] ACPI: IRQ11 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0c, APIC ID 0, APIC = INT 0c [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0d, APIC ID 0, APIC = INT 0d [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0e, APIC ID 0, APIC = INT 0e [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0f, APIC ID 0, APIC = INT 0f [ 0.000000] Using ACPI (MADT) for SMP configuration information [ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.000000] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.000000] mapped IOAPIC to ffffffffff57c000 (fec00000) [ 0.000000] e820: [mem 0x12c00000-0xfeffbfff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on KVM [ 0.000000] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:2 nr_cpu_ids:2 nr= _node_ids:1 [ 0.000000] PERCPU: Embedded 486 pages/cpu @ffff88000de00000 s1960320 r0= d30336 u2097152 [ 0.000000] pcpu-alloc: s1960320 r0 d30336 u2097152 alloc=3D1*2097152 [ 0.000000] pcpu-alloc: [0] 0 [0] 1=20 [ 0.000000] KVM setup async PF for cpu 0 [ 0.000000] kvm-stealtime: cpu 0, msr de15fc0 [ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Tota= l pages: 75449 [ 0.000000] Policy zone: DMA32 [ 0.000000] Kernel command line: hung_task_panic=3D1 earlyprintk=3DttyS0= ,115200 rd.udev.log-priority=3Derr systemd.log_target=3Djournal systemd.log= _level=3Dwarning debug apic=3Ddebug sysrq_always_enabled rcupdate.rcu_cpu_s= tall_timeout=3D100 panic=3D-1 softlockup_panic=3D1 nmi_watchdog=3Dpanic oop= s=3Dpanic load_ramdisk=3D2 prompt_ramdisk=3D0 console=3DttyS0,115200 consol= e=3Dtty0 vga=3Dnormal root=3D/dev/ram0 rw link=3D/kbuild-tests/run-queue/k= vm/x86_64-randconfig-nexs0-04080042/next:master:e164ade07b215cc33da68317341= 40f0aa0615d0a:bisect-linux-2/.vmlinuz-e164ade07b215cc33da6831734140f0aa0615= d0a-20150408013932-3-ivb42 branch=3Dnext/master BOOT_IMAGE=3D/kernel/x86_64= -randconfig-nexs0-04080042/e164ade07b215cc33da6831734140f0aa0615d0a/vmlinuz= -4.0.0-rc1-00012-ge164ade drbd.minor_count=3D8 [ 0.000000] sysrq: sysrq always enabled. [ 0.000000] PID hash table entries: 2048 (order: 2, 16384 bytes) [ 0.000000] Memory: 184700K/306680K available (16461K kernel code, 2692K= rwdata, 5548K rodata, 4564K init, 13436K bss, 121980K reserved, 0K cma-res= erved) [ 0.000000] SLUB: HWalign=3D64, Order=3D0-3, MinObjects=3D0, CPUs=3D2, N= odes=3D1 [ 0.000000] Preemptible hierarchical RCU implementation. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=3D16, nr_cpu_ids= =3D2 [ 0.000000] Testing tracer nop: PASSED [ 0.000000] NR_IRQS:524544 nr_irqs:440 16 [ 0.000000] Console: colour VGA+ 80x25 [ 0.000000] console [tty0] enabled [ 0.000000] bootconsole [earlyser0] disabled [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Linux version 4.0.0-rc1-00012-ge164ade (kbuild@lkp-nex05) (g= cc version 4.9.2 (Debian 4.9.2-10) ) #11 SMP PREEMPT Wed Apr 8 01:39:18 CST= 2015 [ 0.000000] Command line: hung_task_panic=3D1 earlyprintk=3DttyS0,115200= rd.udev.log-priority=3Derr systemd.log_target=3Djournal systemd.log_level= =3Dwarning debug apic=3Ddebug sysrq_always_enabled rcupdate.rcu_cpu_stall_t= imeout=3D100 panic=3D-1 softlockup_panic=3D1 nmi_watchdog=3Dpanic oops=3Dpa= nic load_ramdisk=3D2 prompt_ramdisk=3D0 console=3DttyS0,115200 console=3Dtt= y0 vga=3Dnormal root=3D/dev/ram0 rw link=3D/kbuild-tests/run-queue/kvm/x86= _64-randconfig-nexs0-04080042/next:master:e164ade07b215cc33da6831734140f0aa= 0615d0a:bisect-linux-2/.vmlinuz-e164ade07b215cc33da6831734140f0aa0615d0a-20= 150408013932-3-ivb42 branch=3Dnext/master BOOT_IMAGE=3D/kernel/x86_64-randc= onfig-nexs0-04080042/e164ade07b215cc33da6831734140f0aa0615d0a/vmlinuz-4.0.0= -rc1-00012-ge164ade drbd.minor_count=3D8 [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reser= ved [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reser= ved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x0000000012bdffff] usable [ 0.000000] BIOS-e820: [mem 0x0000000012be0000-0x0000000012bfffff] reser= ved [ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reser= ved [ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reser= ved [ 0.000000] bootconsole [earlyser0] enabled [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.8 present. [ 0.000000] DMI: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-2014= 0531_083030-gandalf 04/01/2014 [ 0.000000] Hypervisor detected: KVM [ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable =3D=3D> rese= rved [ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable [ 0.000000] e820: last_pfn =3D 0x12be0 max_arch_pfn =3D 0x400000000 [ 0.000000] MTRR default type: write-back [ 0.000000] MTRR fixed ranges enabled: [ 0.000000] 00000-9FFFF write-back [ 0.000000] A0000-BFFFF uncachable [ 0.000000] C0000-FFFFF write-protect [ 0.000000] MTRR variable ranges enabled: [ 0.000000] 0 base 0080000000 mask FF80000000 uncachable [ 0.000000] 1 disabled [ 0.000000] 2 disabled [ 0.000000] 3 disabled [ 0.000000] 4 disabled [ 0.000000] 5 disabled [ 0.000000] 6 disabled [ 0.000000] 7 disabled [ 0.000000] PAT configuration [0-7]: WB WC UC- UC WB WC UC- UC =20 [ 0.000000] Scan for SMP in [mem 0x00000000-0x000003ff] [ 0.000000] Scan for SMP in [mem 0x0009fc00-0x0009ffff] [ 0.000000] Scan for SMP in [mem 0x000f0000-0x000fffff] [ 0.000000] found SMP MP-table at [mem 0x000f0e80-0x000f0e8f] mapped at = [ffff8800000f0e80] [ 0.000000] mpc: f0e90-f0fac [ 0.000000] Scanning 1 areas for low memory corruption [ 0.000000] Base memory trampoline at [ffff880000099000] 99000 size 24576 [ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff] [ 0.000000] [mem 0x00000000-0x000fffff] page 4k [ 0.000000] BRK [0x039c4000, 0x039c4fff] PGTABLE [ 0.000000] BRK [0x039c5000, 0x039c5fff] PGTABLE [ 0.000000] BRK [0x039c6000, 0x039c6fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x11200000-0x113fffff] [ 0.000000] [mem 0x11200000-0x113fffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x00100000-0x111fffff] [ 0.000000] [mem 0x00100000-0x001fffff] page 4k [ 0.000000] [mem 0x00200000-0x111fffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x11400000-0x12bdffff] [ 0.000000] [mem 0x11400000-0x129fffff] page 2M [ 0.000000] [mem 0x12a00000-0x12bdffff] page 4k [ 0.000000] BRK [0x039c7000, 0x039c7fff] PGTABLE [ 0.000000] RAMDISK: [mem 0x11525000-0x12bd7fff] [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000F0C60 000014 (v00 BOCHS ) [ 0.000000] ACPI: RSDT 0x0000000012BE18BD 000034 (v01 BOCHS BXPCRSDT 00= 000001 BXPC 00000001) [ 0.000000] ACPI: FACP 0x0000000012BE0B37 000074 (v01 BOCHS BXPCFACP 00= 000001 BXPC 00000001) [ 0.000000] ACPI: DSDT 0x0000000012BE0040 000AF7 (v01 BOCHS BXPCDSDT 00= 000001 BXPC 00000001) [ 0.000000] ACPI: FACS 0x0000000012BE0000 000040 [ 0.000000] ACPI: SSDT 0x0000000012BE0BAB 000C5A (v01 BOCHS BXPCSSDT 00= 000001 BXPC 00000001) [ 0.000000] ACPI: APIC 0x0000000012BE1805 000080 (v01 BOCHS BXPCAPIC 00= 000001 BXPC 00000001) [ 0.000000] ACPI: HPET 0x0000000012BE1885 000038 (v01 BOCHS BXPCHPET 00= 000001 BXPC 00000001) [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] mapped APIC to ffffffffff57d000 ( fee00000) [ 0.000000] No NUMA configuration found [ 0.000000] Faking a node at [mem 0x0000000000000000-0x0000000012bdffff] [ 0.000000] NODE_DATA(0) allocated [mem 0x114ff000-0x11524fff] [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: cpu 0, msr 0:1147f001, primary cpu clock [ 0.000000] [ffffea0000000000-ffffea00005fffff] PMD -> [ffff88001060000= 0-ffff880010bfffff] on node 0 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.000000] DMA32 [mem 0x0000000001000000-0x0000000012bdffff] [ 0.000000] Normal empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.000000] node 0: [mem 0x0000000000100000-0x0000000012bdffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x0000000012bdf= fff] [ 0.000000] On node 0 totalpages: 76670 [ 0.000000] DMA zone: 64 pages used for memmap [ 0.000000] DMA zone: 21 pages reserved [ 0.000000] DMA zone: 3998 pages, LIFO batch:0 [ 0.000000] DMA32 zone: 1136 pages used for memmap [ 0.000000] DMA32 zone: 72672 pages, LIFO batch:15 [ 0.000000] [ffffed0000000000-ffffed00001fffff] PMD -> [ffff88001120000= 0-ffff8800113fffff] on node -1 [ 0.000000] [ffffed0000200000-ffffed00003fffff] PMD -> [ffff88001100000= 0-ffff8800111fffff] on node -1 [ 0.000000] [ffffed0000400000-ffffed00005fffff] PMD -> [ffff880010e0000= 0-ffff880010ffffff] on node -1 [ 0.000000] [ffffed0000600000-ffffed00007fffff] PMD -> [ffff880010c0000= 0-ffff880010dfffff] on node -1 [ 0.000000] [ffffed0000800000-ffffed00009fffff] PMD -> [ffff88001040000= 0-ffff8800105fffff] on node -1 [ 0.000000] [ffffed0000a00000-ffffed0000bfffff] PMD -> [ffff88001020000= 0-ffff8800103fffff] on node -1 [ 0.000000] [ffffed0000c00000-ffffed0000dfffff] PMD -> [ffff88001000000= 0-ffff8800101fffff] on node -1 [ 0.000000] [ffffed0000e00000-ffffed0000ffffff] PMD -> [ffff88000fe0000= 0-ffff88000fffffff] on node -1 [ 0.000000] [ffffed0001000000-ffffed00011fffff] PMD -> [ffff88000fc0000= 0-ffff88000fdfffff] on node -1 [ 0.000000] [ffffed0001200000-ffffed00013fffff] PMD -> [ffff88000fa0000= 0-ffff88000fbfffff] on node -1 [ 0.000000] [ffffed0001400000-ffffed00015fffff] PMD -> [ffff88000f80000= 0-ffff88000f9fffff] on node -1 [ 0.000000] [ffffed0001600000-ffffed00017fffff] PMD -> [ffff88000f60000= 0-ffff88000f7fffff] on node -1 [ 0.000000] [ffffed0001800000-ffffed00019fffff] PMD -> [ffff88000f40000= 0-ffff88000f5fffff] on node -1 [ 0.000000] [ffffed0001a00000-ffffed0001bfffff] PMD -> [ffff88000f20000= 0-ffff88000f3fffff] on node -1 [ 0.000000] [ffffed0001c00000-ffffed0001dfffff] PMD -> [ffff88000f00000= 0-ffff88000f1fffff] on node -1 [ 0.000000] [ffffed0001e00000-ffffed0001ffffff] PMD -> [ffff88000ee0000= 0-ffff88000effffff] on node -1 [ 0.000000] [ffffed0002000000-ffffed00021fffff] PMD -> [ffff88000ec0000= 0-ffff88000edfffff] on node -1 [ 0.000000] [ffffed0002200000-ffffed00023fffff] PMD -> [ffff88000ea0000= 0-ffff88000ebfffff] on node -1 [ 0.000000] [ffffed0002400000-ffffed00025fffff] PMD -> [ffff88000e80000= 0-ffff88000e9fffff] on node -1 [ 0.000000] [fffffbfff0200035-fffffbfff0400034] PMD -> [ffff88000e60000= 0-ffff88000e7fffff] on node -1 [ 0.000000] [fffffbfff0400000-fffffbfff05fffff] PMD -> [ffff88000e40000= 0-ffff88000e5fffff] on node -1 [ 0.000000] ACPI: PM-Timer IO Port: 0x608 [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] mapped APIC to ffffffffff57d000 ( fee00000) [ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.000000] ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0]) [ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-= 23 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 00, APIC ID 0, APIC = INT 02 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 05, APIC ID 0, APIC = INT 05 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 09, APIC ID 0, APIC = INT 09 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 0a, APIC ID 0, APIC = INT 0a [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 0b, APIC ID 0, APIC = INT 0b [ 0.000000] ACPI: IRQ0 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 01, APIC ID 0, APIC = INT 01 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 03, APIC ID 0, APIC = INT 03 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 04, APIC ID 0, APIC = INT 04 [ 0.000000] ACPI: IRQ5 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 06, APIC ID 0, APIC = INT 06 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 07, APIC ID 0, APIC = INT 07 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 08, APIC ID 0, APIC = INT 08 [ 0.000000] ACPI: IRQ9 used by override. [ 0.000000] ACPI: IRQ10 used by override. [ 0.000000] ACPI: IRQ11 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0c, APIC ID 0, APIC = INT 0c [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0d, APIC ID 0, APIC = INT 0d [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0e, APIC ID 0, APIC = INT 0e [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0f, APIC ID 0, APIC = INT 0f [ 0.000000] Using ACPI (MADT) for SMP configuration information [ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.000000] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.000000] mapped IOAPIC to ffffffffff57c000 (fec00000) [ 0.000000] e820: [mem 0x12c00000-0xfeffbfff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on KVM [ 0.000000] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:2 nr_cpu_ids:2 nr= _node_ids:1 [ 0.000000] PERCPU: Embedded 486 pages/cpu @ffff88000de00000 s1960320 r0= d30336 u2097152 [ 0.000000] pcpu-alloc: s1960320 r0 d30336 u2097152 alloc=3D1*2097152 [ 0.000000] pcpu-alloc: [0] 0 [0] 1=20 [ 0.000000] KVM setup async PF for cpu 0 [ 0.000000] kvm-stealtime: cpu 0, msr de15fc0 [ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Tota= l pages: 75449 [ 0.000000] Policy zone: DMA32 [ 0.000000] Kernel command line: hung_task_panic=3D1 earlyprintk=3DttyS0= ,115200 rd.udev.log-priority=3Derr systemd.log_target=3Djournal systemd.log= _level=3Dwarning debug apic=3Ddebug sysrq_always_enabled rcupdate.rcu_cpu_s= tall_timeout=3D100 panic=3D-1 softlockup_panic=3D1 nmi_watchdog=3Dpanic oop= s=3Dpanic load_ramdisk=3D2 prompt_ramdisk=3D0 console=3DttyS0,115200 consol= e=3Dtty0 vga=3Dnormal root=3D/dev/ram0 rw link=3D/kbuild-tests/run-queue/k= vm/x86_64-randconfig-nexs0-04080042/next:master:e164ade07b215cc33da68317341= 40f0aa0615d0a:bisect-linux-2/.vmlinuz-e164ade07b215cc33da6831734140f0aa0615= d0a-20150408013932-3-ivb42 branch=3Dnext/master BOOT_IMAGE=3D/kernel/x86_64= -randconfig-nexs0-04080042/e164ade07b215cc33da6831734140f0aa0615d0a/vmlinuz= -4.0.0-rc1-00012-ge164ade drbd.minor_count=3D8 [ 0.000000] sysrq: sysrq always enabled. [ 0.000000] PID hash table entries: 2048 (order: 2, 16384 bytes) [ 0.000000] Memory: 184700K/306680K available (16461K kernel code, 2692K= rwdata, 5548K rodata, 4564K init, 13436K bss, 121980K reserved, 0K cma-res= erved) [ 0.000000] SLUB: HWalign=3D64, Order=3D0-3, MinObjects=3D0, CPUs=3D2, N= odes=3D1 [ 0.000000] Preemptible hierarchical RCU implementation. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=3D16, nr_cpu_ids= =3D2 [ 0.000000] Testing tracer nop: PASSED [ 0.000000] NR_IRQS:524544 nr_irqs:440 16 [ 0.000000] Console: colour VGA+ 80x25 [ 0.000000] console [tty0] enabled [ 0.000000] bootconsole [earlyser0] disabled [ 0.000000] console [ttyS0] enabled [ 0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc.,= Ingo Molnar [ 0.000000] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.000000] ... MAX_LOCK_DEPTH: 48 [ 0.000000] ... MAX_LOCKDEP_KEYS: 8191 [ 0.000000] ... CLASSHASH_SIZE: 4096 [ 0.000000] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.000000] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.000000] ... CHAINHASH_SIZE: 32768 [ 0.000000] memory used by lock dependency info: 8639 kB [ 0.000000] per task-struct memory footprint: 2688 bytes [ 0.000000] ------------------------ [ 0.000000] | Locking API testsuite: [ 0.000000] ------------------------------------------------------------= ---------------- [ 0.000000] | spin |wlock |rlock |mutex= | wsem | rsem | [ 0.000000] ----------------------------------------------------------= ---------------- [ 0.000000] A-A deadlock:failed|failed| ok |faile= d|failed|failed| [ 0.000000] A-B-B-A deadlock:failed|failed| ok |faile= d|failed|failed| [ 0.000000] A-B-B-C-C-A deadlock:failed|failed| ok |faile= d|failed|failed| [ 0.000000] A-B-C-A-B-C deadlock:failed|failed| ok |faile= d|failed|failed| [ 0.000000] A-B-B-C-C-D-D-A deadlock:failed|failed| ok |faile= d|failed|failed| [ 0.000000] A-B-C-D-B-D-D-A deadlock:failed|failed| ok |faile= d|failed|failed| [ 0.000000] A-B-C-D-B-C-D-A deadlock:failed|failed| ok |faile= d|failed|failed| [ 0.000000] double unlock: ok | ok | ok | ok = | ok | ok | [ 0.000000] initialize held: ok | ok | ok | ok = | ok | ok | [ 0.000000] bad unlock order: ok | ok | ok | ok = | ok | ok | [ 0.000000] ----------------------------------------------------------= ---------------- [ 0.000000] recursive read-lock: | ok | = |failed| [ 0.000000] recursive read-lock #2: | ok | = |failed| [ 0.000000] mixed read-write-lock: |failed| = |failed| [ 0.000000] mixed write-read-lock: |failed| = |failed| [ 0.000000] ----------------------------------------------------------= ---------------- [ 0.000000] hard-irqs-on + irq-safe-A/12:failed|failed| ok | [ 0.000000] soft-irqs-on + irq-safe-A/12:failed|failed| ok | [ 0.000000] hard-irqs-on + irq-safe-A/21:failed|failed| ok | [ 0.000000] soft-irqs-on + irq-safe-A/21:failed|failed| ok | [ 0.000000] sirq-safe-A =3D> hirqs-on/12:failed|failed| ok | [ 0.000000] sirq-safe-A =3D> hirqs-on/21:failed|failed| ok | [ 0.000000] hard-safe-A + irqs-on/12:failed|failed| ok | [ 0.000000] soft-safe-A + irqs-on/12:failed|failed| ok | [ 0.000000] hard-safe-A + irqs-on/21:failed|failed| ok | [ 0.000000] soft-safe-A + irqs-on/21:failed|failed| ok | [ 0.000000] hard-safe-A + unsafe-B #1/123:failed|failed| ok | [ 0.000000] soft-safe-A + unsafe-B #1/123:failed|failed| ok | [ 0.000000] hard-safe-A + unsafe-B #1/132:failed|failed| ok | [ 0.000000] soft-safe-A + unsafe-B #1/132:failed|failed| ok | [ 0.000000] hard-safe-A + unsafe-B #1/213:failed|failed| ok | [ 0.000000] soft-safe-A + unsafe-B #1/213:failed|failed| ok | [ 0.000000] hard-safe-A + unsafe-B #1/231:failed|failed| ok | [ 0.000000] soft-safe-A + unsafe-B #1/231:failed|failed| ok | [ 0.000000] hard-safe-A + unsafe-B #1/312:failed|failed| ok | [ 0.000000] soft-safe-A + unsafe-B #1/312:failed|failed| ok | [ 0.000000] hard-safe-A + unsafe-B #1/321:failed|failed| ok | [ 0.000000] soft-safe-A + unsafe-B #1/321:failed|failed| ok | [ 0.000000] hard-safe-A + unsafe-B #2/123:failed|failed| ok | [ 0.000000] soft-safe-A + unsafe-B #2/123:failed|failed| ok | [ 0.000000] hard-safe-A + unsafe-B #2/132:failed|failed| ok | [ 0.000000] soft-safe-A + unsafe-B #2/132:failed|failed| ok | [ 0.000000] hard-safe-A + unsafe-B #2/213:failed|failed| ok | [ 0.000000] soft-safe-A + unsafe-B #2/213:failed|failed| ok | [ 0.000000] hard-safe-A + unsafe-B #2/231:failed|failed| ok | [ 0.000000] soft-safe-A + unsafe-B #2/231:failed|failed| ok | [ 0.000000] hard-safe-A + unsafe-B #2/312:failed|failed| ok | [ 0.000000] soft-safe-A + unsafe-B #2/312:failed|failed| ok | [ 0.000000] hard-safe-A + unsafe-B #2/321:failed|failed| ok | [ 0.000000] soft-safe-A + unsafe-B #2/321:failed|failed| ok | [ 0.000000] hard-irq lock-inversion/123:failed|failed| ok | [ 0.000000] soft-irq lock-inversion/123:failed|failed| ok | [ 0.000000] hard-irq lock-inversion/132:failed|failed| ok | [ 0.000000] soft-irq lock-inversion/132:failed|failed| ok | [ 0.000000] hard-irq lock-inversion/213:failed|failed| ok | [ 0.000000] soft-irq lock-inversion/213:failed|failed| ok | [ 0.000000] hard-irq lock-inversion/231:failed|failed| ok | [ 0.000000] soft-irq lock-inversion/231:failed|failed| ok | [ 0.000000] hard-irq lock-inversion/312:failed|failed| ok | [ 0.000000] soft-irq lock-inversion/312:failed|failed| ok | [ 0.000000] hard-irq lock-inversion/321:failed|failed| ok | [ 0.000000] soft-irq lock-inversion/321:failed|failed| ok | [ 0.000000] hard-irq read-recursion/123: ok | [ 0.000000] soft-irq read-recursion/123: ok | [ 0.000000] hard-irq read-recursion/132: ok | [ 0.000000] soft-irq read-recursion/132: ok | [ 0.000000] hard-irq read-recursion/213: ok | [ 0.000000] soft-irq read-recursion/213: ok | [ 0.000000] hard-irq read-recursion/231: ok | [ 0.000000] soft-irq read-recursion/231: ok | [ 0.000000] hard-irq read-recursion/312: ok | [ 0.000000] soft-irq read-recursion/312: ok | [ 0.000000] hard-irq read-recursion/321: ok | [ 0.000000] soft-irq read-recursion/321: ok | [ 0.000000] ----------------------------------------------------------= ---------------- [ 0.000000] | Wound/wait tests | [ 0.000000] --------------------- [ 0.000000] ww api failures: ok | ok | ok | [ 0.000000] ww contexts mixing:failed| ok | [ 0.000000] finishing ww context: ok | ok | ok | ok = | [ 0.000000] locking mismatches: ok | ok | ok | [ 0.000000] EDEADLK handling: ok | ok | ok | ok = | ok | ok | ok | ok | ok | ok | [ 0.000000] spinlock nest unlocked: ok | [ 0.000000] ----------------------------------------------------- [ 0.000000] |block | try |context| [ 0.000000] ----------------------------------------------------- [ 0.000000] context:failed| ok | ok | [ 0.000000] try:failed| ok |failed| [ 0.000000] block:failed| ok |failed| [ 0.000000] spinlock:failed| ok |failed| [ 0.000000] -------------------------------------------------------- [ 0.000000] 141 out of 253 testcases failed, as expected. | [ 0.000000] ---------------------------------------------------- [ 0.000000] hpet clockevent registered [ 0.000000] tsc: Detected 2693.508 MHz processor [ 0.003000] Calibrating delay loop (skipped) preset value.. 5387.01 Bogo= MIPS (lpj=3D2693508) [ 0.004007] pid_max: default: 32768 minimum: 301 [ 0.005068] ACPI: Core revision 20150204 [ 0.096546] ACPI: All ACPI Tables successfully acquired [ 0.097712] Security Framework initialized [ 0.098013] AppArmor: AppArmor disabled by boot time parameter [ 0.099006] Yama: becoming mindful. [ 0.100228] Dentry cache hash table entries: 65536 (order: 7, 524288 byt= es) [ 0.102090] Inode-cache hash table entries: 32768 (order: 6, 262144 byte= s) [ 0.103224] Mount-cache hash table entries: 1024 (order: 1, 8192 bytes) [ 0.104036] Mountpoint-cache hash table entries: 1024 (order: 1, 8192 by= tes) [ 0.108414] Initializing cgroup subsys memory [ 0.109106] Initializing cgroup subsys devices [ 0.110040] Initializing cgroup subsys net_cls [ 0.111031] Initializing cgroup subsys net_prio [ 0.112217] mce: CPU supports 10 MCE banks [ 0.113054] numa_add_cpu cpu 0 node 0: mask now 0 [ 0.114011] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 0.115007] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 0.116272] Freeing SMP alternatives memory: 40K (ffffffff82c9a000 - fff= fffff82ca4000) [ 0.120844] ftrace: allocating 44819 entries in 176 pages [ 0.142237] Getting VERSION: 1050014 [ 0.143012] Getting VERSION: 1050014 [ 0.143815] Getting ID: 0 [ 0.144017] Getting ID: ff000000 [ 0.145013] Getting LVT0: 8700 [ 0.146007] Getting LVT1: 8400 [ 0.147026] enabled ExtINT on CPU#0 [ 0.148621] ENABLING IO-APIC IRQs [ 0.149036] init IO_APIC IRQs [ 0.150008] apic 0 pin 0 not connected [ 0.151061] IOAPIC[0]: Set routing entry (0-1 -> 0x31 -> IRQ 1 Mode:0 Ac= tive:0 Dest:1) [ 0.152056] IOAPIC[0]: Set routing entry (0-2 -> 0x30 -> IRQ 0 Mode:0 Ac= tive:0 Dest:1) [ 0.153046] IOAPIC[0]: Set routing entry (0-2 -> 0x30 -> IRQ 0 Mode:0 Ac= tive:0 Dest:1) [ 0.154054] IOAPIC[0]: Set routing entry (0-3 -> 0x33 -> IRQ 3 Mode:0 Ac= tive:0 Dest:1) [ 0.155053] IOAPIC[0]: Set routing entry (0-4 -> 0x34 -> IRQ 4 Mode:0 Ac= tive:0 Dest:1) [ 0.156054] IOAPIC[0]: Set routing entry (0-5 -> 0x35 -> IRQ 5 Mode:1 Ac= tive:0 Dest:1) [ 0.157054] IOAPIC[0]: Set routing entry (0-6 -> 0x36 -> IRQ 6 Mode:0 Ac= tive:0 Dest:1) [ 0.158054] IOAPIC[0]: Set routing entry (0-7 -> 0x37 -> IRQ 7 Mode:0 Ac= tive:0 Dest:1) [ 0.159054] IOAPIC[0]: Set routing entry (0-8 -> 0x38 -> IRQ 8 Mode:0 Ac= tive:0 Dest:1) [ 0.160054] IOAPIC[0]: Set routing entry (0-9 -> 0x39 -> IRQ 9 Mode:1 Ac= tive:0 Dest:1) [ 0.161054] IOAPIC[0]: Set routing entry (0-10 -> 0x3a -> IRQ 10 Mode:1 = Active:0 Dest:1) [ 0.162053] IOAPIC[0]: Set routing entry (0-11 -> 0x3b -> IRQ 11 Mode:1 = Active:0 Dest:1) [ 0.163054] IOAPIC[0]: Set routing entry (0-12 -> 0x3c -> IRQ 12 Mode:0 = Active:0 Dest:1) [ 0.164059] IOAPIC[0]: Set routing entry (0-13 -> 0x3d -> IRQ 13 Mode:0 = Active:0 Dest:1) [ 0.165054] IOAPIC[0]: Set routing entry (0-14 -> 0x3e -> IRQ 14 Mode:0 = Active:0 Dest:1) [ 0.166054] IOAPIC[0]: Set routing entry (0-15 -> 0x3f -> IRQ 15 Mode:0 = Active:0 Dest:1) [ 0.167024] apic 0 pin 16 not connected [ 0.168005] apic 0 pin 17 not connected [ 0.169005] apic 0 pin 18 not connected [ 0.170005] apic 0 pin 19 not connected [ 0.171005] apic 0 pin 20 not connected [ 0.171844] apic 0 pin 21 not connected [ 0.172005] apic 0 pin 22 not connected [ 0.173005] apic 0 pin 23 not connected [ 0.174166] ..TIMER: vector=3D0x30 apic1=3D0 pin1=3D2 apic2=3D-1 pin2=3D= -1 [ 0.175007] Using local APIC timer interrupts. [ 0.175007] calibrating APIC timer ... [ 0.177000] ... lapic delta =3D 6248927 [ 0.177000] ... PM-Timer delta =3D 357843 [ 0.177000] ... PM-Timer result ok [ 0.177000] ..... delta 6248927 [ 0.177000] ..... mult: 268389371 [ 0.177000] ..... calibration result: 999828 [ 0.177000] ..... CPU clock speed is 2692.0690 MHz. [ 0.177000] ..... host bus clock speed is 999.0828 MHz. [ 0.177042] smpboot: CPU0: Intel Common KVM processor (fam: 0f, model: 0= 6, stepping: 01) [ 0.179108] Performance Events: unsupported Netburst CPU model 6 no PMU = driver, software events only. [ 0.187261] ------------[ cut here ]------------ [ 0.188011] WARNING: CPU: 0 PID: 1 at mm/memblock.c:1151 memblock_virt_a= lloc_internal+0x7e/0x149() [ 0.189008] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.0.0-rc1-00012-ge= 164ade #11 [ 0.190005] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS = 1.7.5-20140531_083030-gandalf 04/01/2014 [ 0.191005] ffffffff82459271 ffff88000db9fd98 ffffffff81ff9f0e 00000000= 80000000 [ 0.193004] 0000000000000000 ffff88000db9fde8 ffffffff8112a2b8 fffffbff= f04e2930 [ 0.195004] ffffffff82a3ba79 ffff88000db9fdd8 0000000000000000 00000000= 00000400 [ 0.197004] Call Trace: [ 0.198011] [] dump_stack+0x4f/0x7b [ 0.199009] [] warn_slowpath_common+0xba/0xd8 [ 0.200009] [] ? memblock_virt_alloc_internal+0x7e/0x= 149 [ 0.201008] [] warn_slowpath_null+0x1a/0x1c [ 0.202008] [] memblock_virt_alloc_internal+0x7e/0x149 [ 0.203008] [] memblock_virt_alloc_try_nid+0x5f/0x9c [ 0.204009] [] alloc_bootmem_cpumask_var+0x1e/0x31 [ 0.205008] [] lockup_detector_init+0x2e/0xf8 [ 0.206009] [] kernel_init_freeable+0xd0/0x249 [ 0.207008] [] ? rest_init+0xd5/0xd5 [ 0.208007] [] kernel_init+0x11/0xef [ 0.209007] [] ? rest_init+0xd5/0xd5 [ 0.210009] [] ret_from_fork+0x7c/0xb0 [ 0.211008] [] ? rest_init+0xd5/0xd5 [ 0.212024] ---[ end trace 2aec86b663049736 ]--- [ 0.213023] =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D [ 0.214000] BUG: KASan: user-memory-access on address (null) [ 0.214000] Read of size 8 by task swapper/0/1 [ 0.214000] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.0.= 0-rc1-00012-ge164ade #11 [ 0.214000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS = 1.7.5-20140531_083030-gandalf 04/01/2014 [ 0.214000] 0000000000000000 ffff88000db9fe08 ffffffff81ff9f0e 00000000= 80000001 [ 0.214000] 0000000000000213 ffff88000db9fe28 ffffffff812989b4 00000000= 00000000 [ 0.214000] 0000000000000000 ffff88000db9fe68 ffffffff81298039 00000000= 00000000 [ 0.214000] Call Trace: [ 0.214000] [] dump_stack+0x4f/0x7b [ 0.214000] [] kasan_report_user_access+0x8e/0xb0 [ 0.214000] [] __asan_load8+0x38/0x91 [ 0.214000] [] ? __bitmap_empty+0x5a/0x7b [ 0.214000] [] __bitmap_empty+0x5a/0x7b [ 0.214000] [] lockup_detector_init+0x69/0xf8 [ 0.214000] [] kernel_init_freeable+0xd0/0x249 [ 0.214000] [] ? rest_init+0xd5/0xd5 [ 0.214000] [] kernel_init+0x11/0xef [ 0.214000] [] ? rest_init+0xd5/0xd5 [ 0.214000] [] ret_from_fork+0x7c/0xb0 [ 0.214000] [] ? rest_init+0xd5/0xd5 [ 0.214000] =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D [ 0.214010] BUG: unable to handle kernel NULL pointer dereference at = (null) [ 0.215000] IP: [] __bitmap_empty+0x68/0x7b [ 0.215000] PGD 0=20 [ 0.215000] Oops: 0000 [#1] PREEMPT SMP KASAN [ 0.215000] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.0.= 0-rc1-00012-ge164ade #11 [ 0.215000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS = 1.7.5-20140531_083030-gandalf 04/01/2014 [ 0.215000] task: ffff88000db90000 ti: ffff88000db98000 task.ti: ffff880= 00db98000 [ 0.215000] RIP: 0010:[] [] __bitma= p_empty+0x68/0x7b [ 0.215000] RSP: 0000:ffff88000db9fe78 EFLAGS: 00010206 [ 0.215000] RAX: 0000000000000003 RBX: 0000000000000000 RCX: dffffc00000= 00002 [ 0.215000] RDX: dffffc0000000000 RSI: ffffffff812989d1 RDI: ffffffff820= 0be22 [ 0.215000] RBP: ffff88000db9fea8 R08: 0000000000000001 R09: ffffed00022= 8fe00 [ 0.215000] R10: ffff88001147f003 R11: ffffed000228fe00 R12: 00000000000= 00000 [ 0.215000] R13: 0000000000000002 R14: 0000000000000000 R15: 00000000000= 00000 [ 0.215000] FS: 0000000000000000(0000) GS:ffff88000de00000(0000) knlGS:= 0000000000000000 [ 0.215000] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 0.215000] CR2: 0000000000000000 CR3: 0000000002597000 CR4: 00000000000= 006f0 [ 0.215000] Stack: [ 0.215000] dffffc0000000000 0000000000000000 0000000000000000 00000000= 00000000 [ 0.215000] 0000000000000000 0000000000000000 ffff88000db9fed8 ffffffff= 82a30685 [ 0.215000] 00000002507f172c ffffffff82c0bf40 0000000000000000 00000000= 00000000 [ 0.215000] Call Trace: [ 0.215000] [] lockup_detector_init+0x69/0xf8 [ 0.215000] [] kernel_init_freeable+0xd0/0x249 [ 0.215000] [] ? rest_init+0xd5/0xd5 [ 0.215000] [] kernel_init+0x11/0xef [ 0.215000] [] ? rest_init+0xd5/0xd5 [ 0.215000] [] ret_from_fork+0x7c/0xb0 [ 0.215000] [] ? rest_init+0xd5/0xd5 [ 0.215000] Code: ff c3 eb df 41 83 e5 3f 75 07 b8 01 00 00 00 eb 21 49 = 8d 1c de 48 89 df e8 1a 6e b2 ff b8 01 00 00 00 44 88 e9 48 d3 e0 48 ff c8 = <48> 85 03 74 da eb ca 5a 5b 41 5c 41 5d 41 5e 41 5f 5d c3 55 48=20 [ 0.215000] RIP [] __bitmap_empty+0x68/0x7b [ 0.215000] RSP [ 0.215000] CR2: 0000000000000000 [ 0.215000] ---[ end trace 2aec86b663049737 ]--- [ 0.215000] Kernel panic - not syncing: Fatal exception Elapsed time: 5 qemu-system-x86_64 -enable-kvm -cpu kvm64 -kernel /kernel/x86_64-randconfig= -nexs0-04080042/e164ade07b215cc33da6831734140f0aa0615d0a/vmlinuz-4.0.0-rc1-= 00012-ge164ade -append 'hung_task_panic=3D1 earlyprintk=3DttyS0,115200 rd.u= dev.log-priority=3Derr systemd.log_target=3Djournal systemd.log_level=3Dwar= ning debug apic=3Ddebug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout= =3D100 panic=3D-1 softlockup_panic=3D1 nmi_watchdog=3Dpanic oops=3Dpanic lo= ad_ramdisk=3D2 prompt_ramdisk=3D0 console=3DttyS0,115200 console=3Dtty0 vga= =3Dnormal root=3D/dev/ram0 rw link=3D/kbuild-tests/run-queue/kvm/x86_64-ra= ndconfig-nexs0-04080042/next:master:e164ade07b215cc33da6831734140f0aa0615d0= a:bisect-linux-2/.vmlinuz-e164ade07b215cc33da6831734140f0aa0615d0a-20150408= 013932-3-ivb42 branch=3Dnext/master BOOT_IMAGE=3D/kernel/x86_64-randconfig-= nexs0-04080042/e164ade07b215cc33da6831734140f0aa0615d0a/vmlinuz-4.0.0-rc1-0= 0012-ge164ade drbd.minor_count=3D8' -initrd /kernel-tests/initrd/quantal-c= ore-x86_64.cgz -m 300 -smp 2 -device e1000,netdev=3Dnet0 -netdev user,id=3D= net0 -boot order=3Dnc -no-reboot -watchdog i6300esb -rtc base=3Dlocaltime -= drive file=3D/fs/vdisk/disk0-quantal-ivb42-128,media=3Ddisk,if=3Dvirtio -dr= ive file=3D/fs/vdisk/disk1-quantal-ivb42-128,media=3Ddisk,if=3Dvirtio -driv= e file=3D/fs/vdisk/disk2-quantal-ivb42-128,media=3Ddisk,if=3Dvirtio -drive = file=3D/fs/vdisk/disk3-quantal-ivb42-128,media=3Ddisk,if=3Dvirtio -drive fi= le=3D/fs/vdisk/disk4-quantal-ivb42-128,media=3Ddisk,if=3Dvirtio -drive file= =3D/fs/vdisk/disk5-quantal-ivb42-128,media=3Ddisk,if=3Dvirtio -drive file= =3D/fs/vdisk/disk6-quantal-ivb42-128,media=3Ddisk,if=3Dvirtio -pidfile /dev= /shm/kboot/pid-quantal-ivb42-128 -serial file:/dev/shm/kboot/serial-quantal= -ivb42-128 -daemonize -display none -monitor null=20 --oyUTqETQ0mS9luUI-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/