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Message-ID: <1288847992.2718.37.camel@edumazet-laptop> Date: Thu, 04 Nov 2010 06:19:52 +0100 From: Eric Dumazet <eric.dumazet@...il.com> To: Bjorn Helgaas <bjorn.helgaas@...com> Cc: Ingo Molnar <mingo@...e.hu>, Peter Zijlstra <peterz@...radead.org>, Venkatesh Pallipadi <venki@...gle.com>, Nikhil Rao <ncrao@...gle.com>, Takuya Yoshikawa <yoshikawa.takuya@....ntt.co.jp>, linux-kernel@...r.kernel.org Subject: Re: divide error in select_task_rq_fair() Le mercredi 03 novembre 2010 à 22:12 -0600, Bjorn Helgaas a écrit : > Hi, > > With current upstream, I see the following crash at boot-time: > > Brought up 64 CPUs > Total of 64 processors activated (289366.52 BogoMIPS). > divide error: 0000 [#1] SMP > last sysfs file: > CPU 1 > Modules linked in: > > Pid: 2, comm: kthreadd Not tainted 2.6.37-rc1-00027-gff8b16d #271 /ProLiant DL980 G7 > RIP: 0010:[<ffffffff81034645>] [<ffffffff81034645>] select_task_rq_fair+0x62a/0x7a0 > > Complete dmesg below; let me know if you need more info. Is the machine runs OK if you build a kernel with NR_CPUS=128 ? > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 64/0x1 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x03] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 65/0x3 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x05] lapic_id[0x05] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 66/0x5 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x07] lapic_id[0x07] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 67/0x7 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x09] lapic_id[0x11] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 68/0x11 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x0b] lapic_id[0x13] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 69/0x13 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x0d] lapic_id[0x15] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 70/0x15 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x0f] lapic_id[0x17] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 71/0x17 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x11] lapic_id[0x21] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 72/0x21 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x13] lapic_id[0x23] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 73/0x23 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x15] lapic_id[0x25] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 74/0x25 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x17] lapic_id[0x27] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 75/0x27 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x19] lapic_id[0x31] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 76/0x31 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x1b] lapic_id[0x33] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 77/0x33 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x1d] lapic_id[0x35] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 78/0x35 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x1f] lapic_id[0x37] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 79/0x37 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x21] lapic_id[0x41] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 80/0x41 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x23] lapic_id[0x43] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 81/0x43 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x25] lapic_id[0x45] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 82/0x45 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x27] lapic_id[0x47] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 83/0x47 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x29] lapic_id[0x51] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 84/0x51 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x2b] lapic_id[0x53] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 85/0x53 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x2d] lapic_id[0x55] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 86/0x55 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x2f] lapic_id[0x57] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 87/0x57 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x31] lapic_id[0x61] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 88/0x61 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x33] lapic_id[0x63] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 89/0x63 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x35] lapic_id[0x65] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 90/0x65 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x37] lapic_id[0x67] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 91/0x67 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x39] lapic_id[0x71] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 92/0x71 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x3b] lapic_id[0x73] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 93/0x73 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x3d] lapic_id[0x75] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 94/0x75 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x3f] lapic_id[0x77] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 95/0x77 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x41] lapic_id[0x81] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 96/0x81 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x43] lapic_id[0x83] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 97/0x83 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x45] lapic_id[0x85] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 98/0x85 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x47] lapic_id[0x87] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 99/0x87 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x49] lapic_id[0x91] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 100/0x91 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x4b] lapic_id[0x93] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 101/0x93 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x4d] lapic_id[0x95] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 102/0x95 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x4f] lapic_id[0x97] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 103/0x97 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x51] lapic_id[0xa1] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 104/0xa1 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x53] lapic_id[0xa3] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 105/0xa3 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x55] lapic_id[0xa5] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 106/0xa5 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x57] lapic_id[0xa7] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 107/0xa7 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x59] lapic_id[0xb1] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 108/0xb1 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x5b] lapic_id[0xb3] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 109/0xb3 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x5d] lapic_id[0xb5] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 110/0xb5 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x5f] lapic_id[0xb7] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 111/0xb7 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x61] lapic_id[0xc1] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 112/0xc1 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x63] lapic_id[0xc3] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 113/0xc3 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x65] lapic_id[0xc5] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 114/0xc5 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x67] lapic_id[0xc7] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 115/0xc7 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x69] lapic_id[0xd1] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 116/0xd1 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x6b] lapic_id[0xd3] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 117/0xd3 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x6d] lapic_id[0xd5] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 118/0xd5 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x6f] lapic_id[0xd7] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 119/0xd7 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x71] lapic_id[0xe1] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 120/0xe1 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x73] lapic_id[0xe3] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 121/0xe3 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x75] lapic_id[0xe5] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 122/0xe5 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x77] lapic_id[0xe7] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 123/0xe7 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x79] lapic_id[0xf1] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 124/0xf1 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x7b] lapic_id[0xf3] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 125/0xf3 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x7d] lapic_id[0xf5] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 126/0xf5 ignored. > [ 0.000000] ACPI: LAPIC (acpi_id[0x7f] lapic_id[0xf7] enabled) > [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 64 reached. Processor 127/0xf7 ignored. > [ 0.000000] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:64 nr_node_ids:8 > [ 0.000000] PERCPU: Embedded 26 pages/cpu @ffff88007ee00000 s75520 r8192 d22784 u262144 > [ 0.000000] pcpu-alloc: s75520 r8192 d22784 u262144 alloc=1*2097152 > [ 0.000000] pcpu-alloc: [0] 00 01 02 03 04 05 06 07 [0] 16 24 32 40 48 56 -- -- > [ 0.000000] pcpu-alloc: [1] 08 09 10 11 12 13 14 15 [1] 17 25 33 41 49 57 -- -- > [ 0.000000] pcpu-alloc: [2] 18 26 34 42 50 58 -- -- [3] 19 27 35 43 51 59 -- -- > [ 0.000000] pcpu-alloc: [4] 20 28 36 44 52 60 -- -- [5] 21 29 37 45 53 61 -- -- > [ 0.000000] pcpu-alloc: [6] 22 30 38 46 54 62 -- -- [7] 23 31 39 47 55 63 -- -- > [ 0.000000] Built 8 zonelists in Zone order, mobility grouping on. Total pages: 24811904 > [ 0.000000] Policy zone: Normal > [ 0.000000] Kernel command line: console=ttyS0,115200n8 ignore_loglevel printk.time=0 root=/dev/cciss/c0d1p1 BOOT_IMAGE=kernel > PID hash table entries: 4096 (order: 3, 32768 bytes) > Checking aperture... > No AGP bridge found > Calgary: detecting Calgary via BIOS EBDA area > Calgary: Unable to locate Rio Grande table in EBDA - bailing! > Memory: 99187376k/947912704k available (6286k kernel code, 847260136k absent, 1465192k reserved, 6950k data, 628k init) > SLUB: Genslabs=15, HWalign=64, Order=0-3, MinObjects=0, CPUs=64, Nodes=8 > Hierarchical RCU implementation. > RCU-based detection of stalled CPUs is disabled. > NR_IRQS:4352 nr_irqs:2008 16 > Extended CMOS year: 2000 > Console: colour VGA+ 80x25 > console [ttyS0] enabled > hpet clockevent registered > Fast TSC calibration using PIT > Detected 2261.072 MHz processor. > Calibrating delay loop (skipped), value calculated using timer frequency.. 4522.14 BogoMIPS (lpj=2261072) > pid_max: default: 65536 minimum: 512 > Security Framework initialized > SELinux: Initializing. > SELinux: Starting in permissive mode > Dentry cache hash table entries: 16777216 (order: 15, 134217728 bytes) > Inode-cache hash table entries: 8388608 (order: 14, 67108864 bytes) > Mount-cache hash table entries: 256 > Initializing cgroup subsys ns > ns_cgroup deprecated: consider using the 'clone_children' flag without the ns_cgroup. > Initializing cgroup subsys cpuacct > Initializing cgroup subsys freezer > CPU: Physical Processor ID: 0 > CPU: Processor Core ID: 0 > mce: CPU supports 22 MCE banks > CPU0: Thermal monitoring enabled (TM1) > using mwait in idle threads. > Performance Events: PEBS fmt1+, Nehalem events, Intel PMU driver. > ... version: 3 > ... bit width: 48 > ... generic registers: 4 > ... value mask: 0000ffffffffffff > ... max period: 000000007fffffff > ... fixed-purpose events: 3 > ... event mask: 000000070000000f > ACPI: Core revision 20101013 > DMAR: Host address width 40 > DMAR: DRHD base: 0x000000ac000000 flags: 0x0 > IOMMU 0: reg_base_addr ac000000 ver 1:0 cap c90780106f0462 ecap f0207e > DMAR: DRHD base: 0x000000a8000000 flags: 0x1 > IOMMU 1: reg_base_addr a8000000 ver 1:0 cap c90780106f0462 ecap f0207e > DMAR: RMRR base: 0x0000007f7ee000 end: 0x0000007f7effff > DMAR: RMRR base: 0x0000007f7e7000 end: 0x0000007f7ecfff > DMAR: RMRR base: 0x0000007f62e000 end: 0x0000007f62ffff > DMAR: ATSR flags: 0x0 > DMAR: ATSR flags: 0x0 > Not enabling x2apic, Intr-remapping init failed. > Setting APIC routing to physical flat > ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 > CPU0: Intel(R) Xeon(R) CPU X7560 @ 2.27GHz stepping 06 > Booting Node 0, Processors #1 #2 #3 #4 #5 #6 #7 Ok. > Booting Node 1, Processors #8 #9 #10 #11 #12 #13 #14 #15 Ok. > Booting Node 0, Processors #16 Ok. > Booting Node 1, Processors #17 Ok. > Booting Node 2, Processors #18 Ok. > Booting Node 3, Processors #19 Ok. > Booting Node 4, Processors #20 Ok. > Booting Node 5, Processors #21 Ok. > Booting Node 6, Processors #22 Ok. > Booting Node 7, Processors #23 Ok. > Booting Node 0, Processors #24 Ok. > Booting Node 1, Processors #25 Ok. > Booting Node 2, Processors #26 Ok. > Booting Node 3, Processors #27 Ok. > Booting Node 4, Processors #28 Ok. > Booting Node 5, Processors #29 Ok. > Booting Node 6, Processors #30 Ok. All this seems wrong... > Booting Node 7, Processors #31 Ok. > Booting Node 0, Processors #32 Ok. > Booting Node 1, Processors #33 Ok. > Booting Node 2, Processors #34 Ok. > Booting Node 3, Processors #35 Ok. > Booting Node 4, Processors #36 Ok. > Booting Node 5, Processors #37 Ok. > Booting Node 6, Processors #38 Ok. > Booting Node 7, Processors #39 Ok. > Booting Node 0, Processors #40 Ok. > Booting Node 1, Processors #41 Ok. > Booting Node 2, Processors #42 Ok. > Booting Node 3, Processors #43 Ok. > Booting Node 4, Processors #44 Ok. > Booting Node 5, Processors #45 Ok. > Booting Node 6, Processors #46 Ok. > Booting Node 7, Processors #47 Ok. > Booting Node 0, Processors #48 Ok. > Booting Node 1, Processors #49 Ok. > Booting Node 2, Processors #50 Ok. > Booting Node 3, Processors #51 Ok. > Booting Node 4, Processors #52 Ok. > Booting Node 5, Processors #53 Ok. > Booting Node 6, Processors #54 Ok. > Booting Node 7, Processors #55 Ok. > Booting Node 0, Processors #56 Ok. > Booting Node 1, Processors #57 Ok. > Booting Node 2, Processors #58 Ok. > Booting Node 3, Processors #59 Ok. > Booting Node 4, Processors #60 Ok. > Booting Node 5, Processors #61 Ok. > Booting Node 6, Processors #62 Ok. > Booting Node 7, Processors #63 Ok. > Brought up 64 CPUs > Total of 64 processors activated (289366.52 BogoMIPS). > divide error: 0000 [#1] SMP > last sysfs file: > CPU 1 > Modules linked in: > > Pid: 2, comm: kthreadd Not tainted 2.6.37-rc1-00027-gff8b16d #271 /ProLiant DL980 G7 > RIP: 0010:[<ffffffff81034645>] [<ffffffff81034645>] select_task_rq_fair+0x62a/0x7a0 > RSP: 0000:ffff88046f869c30 EFLAGS: 00010046 > RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 > RDX: 0000000000000000 RSI: 0000000000000040 RDI: 0000000000000040 > RBP: ffff88046f869d30 R08: 0000000000000000 R09: ffff88046fa62598 > R10: 0000000000000000 R11: 0000000000000080 R12: ffff88046fa62580 > R13: ffff88007ee4da50 R14: 0000000000011ac0 R15: 0000000000000000 > FS: 0000000000000000(0000) GS:ffff88007ee40000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > CR2: 0000000000000000 CR3: 0000000001c07000 CR4: 00000000000006e0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > Process kthreadd (pid: 2, threadinfo ffff88046f868000, task ffff88e1f6c40750) > Stack: > ffff880400000000 0000000000011ac0 0000000000011ac0 0000000000011ac0 > 0000000000011ac0 0000000000011ac8 0000000000011ac8 0000000000800711 > 0000000800000000 ffff88046f418000 ffff88007ee51ac0 0000000081c19b60 > Call Trace: > [<ffffffff810ab0a6>] ? perf_event_fork+0x10/0x12 > [<ffffffff8103d735>] ? copy_process+0xdf0/0xf9a > [<ffffffff8103787b>] select_task_rq+0x13/0x4a > [<ffffffff81038dae>] wake_up_new_task+0x39/0xdb > [<ffffffff8103db35>] do_fork+0x256/0x314 > [<ffffffff810333ae>] ? dequeue_entity+0x19/0x19b > [<ffffffff81033213>] ? set_next_entity+0x43/0x96 > [<ffffffff81009978>] kernel_thread+0x6b/0x6d > [<ffffffff81057b76>] ? kthread+0x0/0x89 > [<ffffffff81003850>] ? kernel_thread_helper+0x0/0x10 > [<ffffffff81057cd5>] kthreadd+0xd6/0x111 > [<ffffffff81003854>] kernel_thread_helper+0x4/0x10 > [<ffffffff81057bff>] ? kthreadd+0x0/0x111 > [<ffffffff81003850>] ? kernel_thread_helper+0x0/0x10 > Code: ff ff ff e8 ea 8c 1b 00 3b 05 58 ec ca 00 89 c2 44 8b 85 00 ff ff ff 0f 8c 74 ff ff ff 41 8b 4c 24 08 48 c1 e3 0a 31 d2 48 89 d8 <48> f7 f1 83 7d 90 00 48 89 c1 75 16 4c 39 f8 73 0d 49 89 c7 48 > RIP [<ffffffff81034645>] select_task_rq_fair+0x62a/0x7a0 > RSP <ffff88046f869c30> > ---[ end trace 4eaa2a86a8e2da22 ]--- > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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