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Message-ID: <5358EBB9.3090809@linux.vnet.ibm.com> Date: Thu, 24 Apr 2014 16:17:21 +0530 From: "Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com> To: Meelis Roos <mroos@...ux.ee> CC: Viresh Kumar <viresh.kumar@...aro.org>, "Rafael J. Wysocki" <rjw@...ysocki.net>, "cpufreq@...r.kernel.org" <cpufreq@...r.kernel.org>, "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>, Linux Kernel list <linux-kernel@...r.kernel.org> Subject: Re: 3.15-rc2: longhaul cpufreq stalls tasks for 120s+ On 04/24/2014 03:46 PM, Meelis Roos wrote: >>> This is VIA EPIA board with 533 MHz VIA Samuel 2 CPU. Normally, longhaul >>> is not enabled automatically but with longhaul.enable=1. It used to work >>> up to 3.14 but in 3.15-rc, different cpufreq-related codepaths block for >>> long times and cause warnings. >> >> Probably we haven't introduced a bug here but highlighted one. >> >> 12478c: cpufreq: Make sure frequency transitions are serialized >> >> Above commit tried to serialize calls to ->target() routines and this >> for some reason didn't work well for you. Probably because something >> else was also trying to change freq and it left the system into unworkable >> state. >> >> @Srivatsa: Or maybe some barrier stuff is actually required? Or the wake >> up event is missed >> >> I don't have a longhaul board and so can't debug this. Probably need some >> help from you in debugging this :( > > I can add debug to where needed and try it. > I see traces of mutex_lock_slowpath() etc in your logs.. Can you please enable lockdep and sleep-inside-atomic-section check and let us know if it complains? Specifically, enable these config options: CONFIG_LOCKDEP_SUPPORT=y CONFIG_DEBUG_RT_MUTEXES=y CONFIG_DEBUG_PI_LIST=y CONFIG_DEBUG_SPINLOCK=y CONFIG_DEBUG_MUTEXES=y CONFIG_DEBUG_LOCK_ALLOC=y CONFIG_PROVE_LOCKING=y CONFIG_LOCKDEP=y CONFIG_DEBUG_ATOMIC_SLEEP=y Meanwhile, I'll spend some time looking at how the longhaul code interacts with the frequency serialization infrastructure. Thank you! Regards, Srivatsa S. Bhat >> >>> /usr/bin/cpufreq-set --cpu 0 --governor ondemand >>> is running since boot and hangs in D state. >>> Running cpufreq-info seems to just hang too. >>> >>> [ 0.000000] Linux version 3.15.0-rc2 (mroos@via) (gcc version 4.8.2 (Debian 4.8.2-17) ) #35 Mon Apr 21 13:45:07 EEST 2014 >>> [ 0.000000] e820: BIOS-provided physical RAM map: >>> [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009ffff] usable >>> [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved >>> [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000000fdeffff] usable >>> [ 0.000000] BIOS-e820: [mem 0x000000000fdf0000-0x000000000fdf2fff] ACPI NVS >>> [ 0.000000] BIOS-e820: [mem 0x000000000fdf3000-0x000000000fdfffff] ACPI data >>> [ 0.000000] BIOS-e820: [mem 0x00000000ffff0000-0x00000000ffffffff] reserved >>> [ 0.000000] Notice: NX (Execute Disable) protection missing in CPU! >>> [ 0.000000] SMBIOS 2.2 present. >>> [ 0.000000] DMI: VIA TECHNOLOGIES, INC. EPIA/EPIA, BIOS 6.00 PG 11/02/2004 >>> [ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved >>> [ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable >>> [ 0.000000] e820: last_pfn = 0xfdf0 max_arch_pfn = 0x100000 >>> [ 0.000000] MTRR default type: uncachable >>> [ 0.000000] MTRR fixed ranges enabled: >>> [ 0.000000] 00000-9FFFF write-back >>> [ 0.000000] A0000-BFFFF uncachable >>> [ 0.000000] C0000-CBFFF write-protect >>> [ 0.000000] CC000-EFFFF uncachable >>> [ 0.000000] F0000-F7FFF write-through >>> [ 0.000000] F8000-F8FFF uncachable >>> [ 0.000000] F9000-FFFFF write-through >>> [ 0.000000] MTRR variable ranges enabled: >>> [ 0.000000] 0 base 000000000 mask FF0000000 write-back >>> [ 0.000000] 1 base 00FE00000 mask FFFE00000 uncachable >>> [ 0.000000] 2 base 0D0000000 mask FF0000000 write-combining >>> [ 0.000000] 3 disabled >>> [ 0.000000] 4 disabled >>> [ 0.000000] 5 disabled >>> [ 0.000000] 6 disabled >>> [ 0.000000] 7 disabled >>> [ 0.000000] PAT not supported by CPU. >>> [ 0.000000] initial memory mapped: [mem 0x00000000-0x017fffff] >>> [ 0.000000] Base memory trampoline at [c009b000] 9b000 size 16384 >>> [ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff] >>> [ 0.000000] [mem 0x00000000-0x000fffff] page 4k >>> [ 0.000000] init_memory_mapping: [mem 0x0f800000-0x0fbfffff] >>> [ 0.000000] [mem 0x0f800000-0x0fbfffff] page 4k >>> [ 0.000000] BRK [0x01442000, 0x01442fff] PGTABLE >>> [ 0.000000] init_memory_mapping: [mem 0x08000000-0x0f7fffff] >>> [ 0.000000] [mem 0x08000000-0x0f7fffff] page 4k >>> [ 0.000000] BRK [0x01443000, 0x01443fff] PGTABLE >>> [ 0.000000] BRK [0x01444000, 0x01444fff] PGTABLE >>> [ 0.000000] BRK [0x01445000, 0x01445fff] PGTABLE >>> [ 0.000000] BRK [0x01446000, 0x01446fff] PGTABLE >>> [ 0.000000] BRK [0x01447000, 0x01447fff] PGTABLE >>> [ 0.000000] init_memory_mapping: [mem 0x00100000-0x07ffffff] >>> [ 0.000000] [mem 0x00100000-0x07ffffff] page 4k >>> [ 0.000000] init_memory_mapping: [mem 0x0fc00000-0x0fdeffff] >>> [ 0.000000] [mem 0x0fc00000-0x0fdeffff] page 4k >>> [ 0.000000] ACPI: RSDP 0x000F67C0 000014 (v00 VIA601) >>> [ 0.000000] ACPI: RSDT 0x0FDF3000 000028 (v01 VIA601 AWRDACPI 42302E31 AWRD 00000000) >>> [ 0.000000] ACPI: FACP 0x0FDF3040 000074 (v01 VIA601 AWRDACPI 42302E31 AWRD 00000000) >>> [ 0.000000] ACPI: DSDT 0x0FDF30C0 0029BC (v01 VIA601 AWRDACPI 00001000 MSFT 0100000C) >>> [ 0.000000] ACPI: FACS 0x0FDF0000 000040 >>> [ 0.000000] 253MB LOWMEM available. >>> [ 0.000000] mapped low ram: 0 - 0fdf0000 >>> [ 0.000000] low ram: 0 - 0fdf0000 >>> [ 0.000000] Zone ranges: >>> [ 0.000000] DMA [mem 0x00001000-0x00ffffff] >>> [ 0.000000] Normal [mem 0x01000000-0x0fdeffff] >>> [ 0.000000] Movable zone start for each node >>> [ 0.000000] Early memory node ranges >>> [ 0.000000] node 0: [mem 0x00001000-0x0009ffff] >>> [ 0.000000] node 0: [mem 0x00100000-0x0fdeffff] >>> [ 0.000000] On node 0 totalpages: 64911 >>> [ 0.000000] free_area_init_node: node 0, pgdat c13aaf3c, node_mem_map cf9cc020 >>> [ 0.000000] DMA zone: 32 pages used for memmap >>> [ 0.000000] DMA zone: 0 pages reserved >>> [ 0.000000] DMA zone: 3999 pages, LIFO batch:0 >>> [ 0.000000] Normal zone: 476 pages used for memmap >>> [ 0.000000] Normal zone: 60912 pages, LIFO batch:15 >>> [ 0.000000] ACPI: PM-Timer IO Port: 0x4008 >>> [ 0.000000] e820: [mem 0x0fe00000-0xfffeffff] available for PCI devices >>> [ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768 >>> [ 0.000000] pcpu-alloc: [0] 0 >>> [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 64403 >>> [ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.15.0-rc2 root=/dev/sda1 ro longhaul.enable=1 >>> [ 0.000000] PID hash table entries: 1024 (order: 0, 4096 bytes) >>> [ 0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes) >>> [ 0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes) >>> [ 0.000000] Initializing CPU#0 >>> [ 0.000000] Memory: 252688K/259644K available (2383K kernel code, 208K rwdata, 1180K rodata, 296K init, 252K bss, 6956K reserved) >>> [ 0.000000] virtual kernel memory layout: >>> [ 0.000000] fixmap : 0xfffe4000 - 0xfffff000 ( 108 kB) >>> [ 0.000000] vmalloc : 0xd05f0000 - 0xfffe2000 ( 761 MB) >>> [ 0.000000] lowmem : 0xc0000000 - 0xcfdf0000 ( 253 MB) >>> [ 0.000000] .init : 0xc13b2000 - 0xc13fc000 ( 296 kB) >>> [ 0.000000] .data : 0xc1253f8d - 0xc13b0020 (1392 kB) >>> [ 0.000000] .text : 0xc1000000 - 0xc1253f8d (2383 kB) >>> [ 0.000000] Checking if this processor honours the WP bit even in supervisor mode...Ok. >>> [ 0.000000] NR_IRQS:16 nr_irqs:16 16 >>> [ 0.000000] CPU 0 irqstacks, hard=cf406000 soft=cf408000 >>> [ 0.000000] Console: colour VGA+ 80x25 >>> [ 0.000000] console [tty0] enabled >>> [ 0.000000] tsc: Fast TSC calibration using PIT >>> [ 0.000000] tsc: Detected 533.380 MHz processor >>> [ 0.020028] Calibrating delay loop (skipped), value calculated using timer frequency.. 1066.76 BogoMIPS (lpj=5333800) >>> [ 0.020252] pid_max: default: 32768 minimum: 301 >>> [ 0.020467] ACPI: Core revision 20140214 >>> [ 0.040132] ACPI: All ACPI Tables successfully acquired >>> [ 0.040332] ACPI: setting ELCR to 0008 (from 1c28) >>> [ 0.042274] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes) >>> [ 0.042399] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes) >>> [ 0.043938] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 >>> [ 0.043938] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 >>> [ 0.043938] tlb_flushall_shift: -1 >>> [ 0.044200] CPU: Centaur VIA Samuel 2 (fam: 06, model: 07, stepping: 03) >>> [ 0.044977] Performance Events: no PMU driver, software events only. >>> [ 0.046377] NMI watchdog: disabled (cpu0): hardware events not enabled >>> [ 0.047118] devtmpfs: initialized >>> [ 0.049111] NET: Registered protocol family 16 >>> [ 0.050126] cpuidle: using governor ladder >>> [ 0.050240] cpuidle: using governor menu >>> [ 0.050532] ACPI: bus type PCI registered >>> [ 0.071255] PCI: PCI BIOS revision 2.10 entry at 0xfb3a0, last bus=1 >>> [ 0.071376] PCI: Using configuration type 1 for base access >>> [ 0.083922] ACPI: Added _OSI(Module Device) >>> [ 0.084055] ACPI: Added _OSI(Processor Device) >>> [ 0.084164] ACPI: Added _OSI(3.0 _SCP Extensions) >>> [ 0.084277] ACPI: Added _OSI(Processor Aggregator Device) >>> [ 0.101569] ACPI: Interpreter enabled >>> [ 0.101726] ACPI: (supports S0 S5) >>> [ 0.101834] ACPI: Using PIC for interrupt routing >>> [ 0.102152] PCI: Ignoring host bridge windows from ACPI; if necessary, use "pci=use_crs" and report a bug >>> [ 0.122909] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) >>> [ 0.123081] acpi PNP0A03:00: _OSC: OS supports [Segments] >>> [ 0.123231] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM >>> [ 0.123917] acpi PNP0A03:00: host bridge window [io 0x0000-0x0cf7] (ignored) >>> [ 0.123944] acpi PNP0A03:00: host bridge window [io 0x0d00-0x3fff] (ignored) >>> [ 0.123969] acpi PNP0A03:00: host bridge window [io 0x4100-0x4fff] (ignored) >>> [ 0.123995] acpi PNP0A03:00: host bridge window [io 0x5010-0x5fff] (ignored) >>> [ 0.124020] acpi PNP0A03:00: host bridge window [io 0x6080-0xffff] (ignored) >>> [ 0.124046] acpi PNP0A03:00: host bridge window [mem 0x000a0000-0x000bffff] (ignored) >>> [ 0.124074] acpi PNP0A03:00: host bridge window [mem 0x000c0000-0x000dffff] (ignored) >>> [ 0.124101] acpi PNP0A03:00: host bridge window [mem 0x0fe00000-0xffefffff] (ignored) >>> [ 0.124117] PCI: root bus 00: using default resources >>> [ 0.124147] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. >>> [ 0.124614] PCI host bridge to bus 0000:00 >>> [ 0.124738] pci_bus 0000:00: root bus resource [bus 00-ff] >>> [ 0.124864] pci_bus 0000:00: root bus resource [io 0x0000-0xffff] >>> [ 0.124992] pci_bus 0000:00: root bus resource [mem 0x00000000-0xffffffff] >>> [ 0.125159] pci 0000:00:00.0: [1106:0601] type 00 class 0x060000 >>> [ 0.125209] pci 0000:00:00.0: reg 0x10: [mem 0xd0000000-0xdfffffff pref] >>> [ 0.125814] pci 0000:00:01.0: [1106:8601] type 01 class 0x060400 >>> [ 0.125894] pci 0000:00:01.0: supports D1 >>> [ 0.126416] pci 0000:00:11.0: [1106:8231] type 00 class 0x060100 >>> [ 0.127056] pci 0000:00:11.1: [1106:0571] type 00 class 0x01018a >>> [ 0.127138] pci 0000:00:11.1: reg 0x20: [io 0xd000-0xd00f] >>> [ 0.127184] pci 0000:00:11.1: legacy IDE quirk: reg 0x10: [io 0x01f0-0x01f7] >>> [ 0.127317] pci 0000:00:11.1: legacy IDE quirk: reg 0x14: [io 0x03f6] >>> [ 0.127443] pci 0000:00:11.1: legacy IDE quirk: reg 0x18: [io 0x0170-0x0177] >>> [ 0.127570] pci 0000:00:11.1: legacy IDE quirk: reg 0x1c: [io 0x0376] >>> [ 0.128243] pci 0000:00:11.2: [1106:3038] type 00 class 0x0c0300 >>> [ 0.128323] pci 0000:00:11.2: reg 0x20: [io 0xd400-0xd41f] >>> [ 0.128920] pci 0000:00:11.3: [1106:3038] type 00 class 0x0c0300 >>> [ 0.129000] pci 0000:00:11.3: reg 0x20: [io 0xd800-0xd81f] >>> [ 0.129568] pci 0000:00:11.4: [1106:8235] type 00 class 0x068000 >>> [ 0.130250] pci 0000:00:11.5: [1106:3058] type 00 class 0x040100 >>> [ 0.130298] pci 0000:00:11.5: reg 0x10: [io 0xdc00-0xdcff] >>> [ 0.130333] pci 0000:00:11.5: reg 0x14: [io 0xe000-0xe003] >>> [ 0.130367] pci 0000:00:11.5: reg 0x18: [io 0xe400-0xe403] >>> [ 0.130958] pci 0000:00:12.0: [1106:3065] type 00 class 0x020000 >>> [ 0.131004] pci 0000:00:12.0: reg 0x10: [io 0xe800-0xe8ff] >>> [ 0.131041] pci 0000:00:12.0: reg 0x14: [mem 0xe4001000-0xe40010ff] >>> [ 0.131132] pci 0000:00:12.0: supports D1 D2 >>> [ 0.131156] pci 0000:00:12.0: PME# supported from D0 D1 D2 D3hot D3cold >>> [ 0.131692] pci 0000:00:14.0: [1317:0985] type 00 class 0x020000 >>> [ 0.131739] pci 0000:00:14.0: reg 0x10: [io 0xec00-0xecff] >>> [ 0.131775] pci 0000:00:14.0: reg 0x14: [mem 0xe4000000-0xe40003ff] >>> [ 0.131845] pci 0000:00:14.0: reg 0x30: [mem 0x00000000-0x0001ffff pref] >>> [ 0.131892] pci 0000:00:14.0: supports D1 D2 >>> [ 0.131915] pci 0000:00:14.0: PME# supported from D0 D1 D2 D3hot D3cold >>> [ 0.132666] pci 0000:01:00.0: [1023:8500] type 00 class 0x030000 >>> [ 0.132716] pci 0000:01:00.0: reg 0x10: [mem 0xe1800000-0xe1ffffff] >>> [ 0.132751] pci 0000:01:00.0: reg 0x14: [mem 0xe2000000-0xe201ffff] >>> [ 0.132787] pci 0000:01:00.0: reg 0x18: [mem 0xe1000000-0xe17fffff] >>> [ 0.132846] pci 0000:01:00.0: reg 0x30: [mem 0x00000000-0x0000ffff pref] >>> [ 0.132899] pci 0000:01:00.0: supports D1 D2 >>> [ 0.133306] pci 0000:00:01.0: PCI bridge to [bus 01] >>> [ 0.133449] pci 0000:00:01.0: bridge window [mem 0xe0000000-0xe2ffffff] >>> [ 0.133485] pci_bus 0000:00: on NUMA node 0 >>> [ 0.134422] ACPI: PCI Interrupt Link [LNKA] (IRQs 1 3 4 5 6 7 *10 11 12 14 15) >>> [ 0.135721] ACPI: PCI Interrupt Link [LNKB] (IRQs 1 3 4 5 6 7 10 *11 12 14 15) >>> [ 0.137039] ACPI: PCI Interrupt Link [LNKC] (IRQs 1 3 4 5 6 7 10 11 *12 14 15) >>> [ 0.138356] ACPI: PCI Interrupt Link [LNKD] (IRQs 1 3 4 *5 6 7 10 11 12 14 15) >>> [ 0.142304] vgaarb: device added: PCI:0000:01:00.0,decodes=io+mem,owns=io+mem,locks=none >>> [ 0.142486] vgaarb: loaded >>> [ 0.142587] vgaarb: bridge control possible 0000:01:00.0 >>> [ 0.143442] SCSI subsystem initialized >>> [ 0.143951] libata version 3.00 loaded. >>> [ 0.144399] PCI: Using ACPI for IRQ routing >>> [ 0.144525] PCI: pci_cache_line_size set to 32 bytes >>> [ 0.144632] e820: reserve RAM buffer [mem 0x0fdf0000-0x0fffffff] >>> [ 0.146023] Switched to clocksource pit >>> [ 0.146620] pnp: PnP ACPI init >>> [ 0.146763] ACPI: bus type PNP registered >>> [ 0.148319] system 00:00: [mem 0x000cc000-0x000cffff] has been reserved >>> [ 0.148460] system 00:00: [mem 0x000f0000-0x000f7fff] could not be reserved >>> [ 0.148595] system 00:00: [mem 0x000f8000-0x000fbfff] could not be reserved >>> [ 0.148731] system 00:00: [mem 0x000fc000-0x000fffff] could not be reserved >>> [ 0.148865] system 00:00: [mem 0x0fdf0000-0x0fdfffff] could not be reserved >>> [ 0.149000] system 00:00: [mem 0xffff0000-0xffffffff] has been reserved >>> [ 0.149132] system 00:00: [mem 0x00000000-0x0009ffff] could not be reserved >>> [ 0.149265] system 00:00: [mem 0x00100000-0x0fdeffff] could not be reserved >>> [ 0.149399] system 00:00: [mem 0xfee00000-0xfee00fff] has been reserved >>> [ 0.149531] system 00:00: Plug and Play ACPI device, IDs PNP0c01 (active) >>> [ 0.149531] system 00:01: [io 0x04d0-0x04d1] has been reserved >>> [ 0.149531] system 00:01: Plug and Play ACPI device, IDs PNP0c02 (active) >>> [ 0.149531] pnp 00:02: [dma 4] >>> [ 0.149531] pnp 00:02: Plug and Play ACPI device, IDs PNP0200 (active) >>> [ 0.149531] pnp 00:03: Plug and Play ACPI device, IDs PNP0b00 (active) >>> [ 0.149531] pnp 00:04: Plug and Play ACPI device, IDs PNP0800 (active) >>> [ 0.149531] pnp 00:05: Plug and Play ACPI device, IDs PNP0c04 (active) >>> [ 0.149531] pnp 00:06: Plug and Play ACPI device, IDs PNP0501 (active) >>> [ 0.149958] pnp 00:07: [dma 3] >>> [ 0.150412] pnp 00:07: Plug and Play ACPI device, IDs PNP0401 (active) >>> [ 0.150679] pnp: PnP ACPI: found 8 devices >>> [ 0.150794] ACPI: bus type PNP unregistered >>> [ 0.203199] Switched to clocksource acpi_pm >>> [ 0.203445] pci 0000:00:01.0: BAR 9: assigned [mem 0x10000000-0x100fffff pref] >>> [ 0.203640] pci 0000:00:14.0: BAR 6: assigned [mem 0x10100000-0x1011ffff pref] >>> [ 0.203834] pci 0000:01:00.0: BAR 6: assigned [mem 0x10000000-0x1000ffff pref] >>> [ 0.204057] pci 0000:00:01.0: PCI bridge to [bus 01] >>> [ 0.204189] pci 0000:00:01.0: bridge window [mem 0xe0000000-0xe2ffffff] >>> [ 0.204325] pci 0000:00:01.0: bridge window [mem 0x10000000-0x100fffff pref] >>> [ 0.204517] pci_bus 0000:00: resource 4 [io 0x0000-0xffff] >>> [ 0.204542] pci_bus 0000:00: resource 5 [mem 0x00000000-0xffffffff] >>> [ 0.204571] pci_bus 0000:01: resource 1 [mem 0xe0000000-0xe2ffffff] >>> [ 0.204598] pci_bus 0000:01: resource 2 [mem 0x10000000-0x100fffff pref] >>> [ 0.204841] NET: Registered protocol family 2 >>> [ 0.205963] TCP established hash table entries: 2048 (order: 1, 8192 bytes) >>> [ 0.206174] TCP bind hash table entries: 2048 (order: 1, 8192 bytes) >>> [ 0.206380] TCP: Hash tables configured (established 2048 bind 2048) >>> [ 0.206870] TCP: reno registered >>> [ 0.206981] UDP hash table entries: 256 (order: 0, 4096 bytes) >>> [ 0.207133] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes) >>> [ 0.207611] NET: Registered protocol family 1 >>> [ 0.207799] pci 0000:00:01.0: disabling DAC on VIA PCI bridge >>> [ 0.209877] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 5 >>> [ 0.209995] PCI: setting IRQ 5 as level-triggered >>> [ 0.211132] pci 0000:01:00.0: Boot video device >>> [ 0.211150] PCI: CLS 32 bytes, default 32 >>> [ 0.212869] futex hash table entries: 256 (order: -1, 3072 bytes) >>> [ 0.215298] msgmni has been set to 493 >>> [ 0.217203] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253) >>> [ 0.217391] io scheduler noop registered >>> [ 0.217514] io scheduler cfq registered (default) >>> [ 0.218489] Serial: 8250/16550 driver, 16 ports, IRQ sharing disabled >>> [ 0.239868] 00:06: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A >>> [ 0.249205] Non-volatile memory driver v1.3 >>> [ 0.249343] Hangcheck: starting hangcheck timer 0.9.1 (tick is 180 seconds, margin is 60 seconds). >>> [ 0.249514] Hangcheck: Using getrawmonotonic(). >>> [ 0.250120] pata_via 0000:00:11.1: version 0.3.4 >>> [ 0.252000] ACPI Exception: AE_AML_PACKAGE_LIMIT, Index (0x0FFFFFFFF) is beyond end of object (length 0x4) (20140214/exoparg2-420) >>> [ 0.252304] ACPI Error: Method parse/execution failed [\_SB_.PCI0.IDE0.GTM_] (Node cf427bd0), AE_AML_PACKAGE_LIMIT (20140214/psparse-536) >>> [ 0.252656] ACPI Error: Method parse/execution failed [\_SB_.PCI0.IDE0.CHN0._GTM] (Node cf427258), AE_AML_PACKAGE_LIMIT (20140214/psparse-536) >>> [ 0.253012] ata1: ACPI get timing mode failed (AE 0x300b) >>> [ 0.255301] ACPI Exception: AE_AML_PACKAGE_LIMIT, Index (0x0FFFFFFFF) is beyond end of object (length 0x4) (20140214/exoparg2-420) >>> [ 0.255590] ACPI Error: Method parse/execution failed [\_SB_.PCI0.IDE0.GTM_] (Node cf427bd0), AE_AML_PACKAGE_LIMIT (20140214/psparse-536) >>> [ 0.255939] ACPI Error: Method parse/execution failed [\_SB_.PCI0.IDE0.CHN1._GTM] (Node cf427168), AE_AML_PACKAGE_LIMIT (20140214/psparse-536) >>> [ 0.256294] ata2: ACPI get timing mode failed (AE 0x300b) >>> [ 0.258711] scsi0 : pata_via >>> [ 0.259791] scsi1 : pata_via >>> [ 0.260460] ata1: PATA max UDMA/100 cmd 0x1f0 ctl 0x3f6 bmdma 0xd000 irq 14 >>> [ 0.260590] ata2: PATA max UDMA/100 cmd 0x170 ctl 0x376 bmdma 0xd008 irq 15 >>> [ 0.261507] i8042: PNP: No PS/2 controller found. Probing ports directly. >>> [ 0.440599] ata1.00: ATA-6: WDC WD800JB-00FMA0, 13.03G13, max UDMA/100 >>> [ 0.440744] ata1.00: 156301488 sectors, multi 16: LBA >>> [ 0.440884] ata1.00: limited to UDMA/33 due to 40-wire cable >>> [ 0.480557] ata1.00: configured for UDMA/33 >>> [ 0.481320] scsi 0:0:0:0: Direct-Access ATA WDC WD800JB-00FM 13.0 PQ: 0 ANSI: 5 >>> [ 0.483802] sd 0:0:0:0: [sda] 156301488 512-byte logical blocks: (80.0 GB/74.5 GiB) >>> [ 0.484220] sd 0:0:0:0: [sda] Write Protect is off >>> [ 0.485257] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 >>> [ 0.485370] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA >>> [ 0.510192] serio: i8042 KBD port at 0x60,0x64 irq 1 >>> [ 0.511449] mousedev: PS/2 mouse device common for all mice >>> [ 0.512880] input: PC Speaker as /devices/platform/pcspkr/input/input1 >>> [ 0.513229] rtc_cmos 00:03: RTC can wake from S4 >>> [ 0.514057] rtc_cmos 00:03: rtc core: registered rtc_cmos as rtc0 >>> [ 0.514246] rtc_cmos 00:03: alarms up to one year, y3k, 242 bytes nvram >>> [ 0.517275] hidraw: raw HID events driver (C) Jiri Kosina >>> [ 0.519237] TCP: cubic registered >>> [ 0.519354] NET: Registered protocol family 17 >>> [ 0.521935] console [netcon0] enabled >>> [ 0.522059] netconsole: network logging started >>> [ 0.522254] rtc_cmos 00:03: setting system clock to 2014-04-21 16:22:39 UTC (1398097359) >>> [ 0.531430] sda: sda1 sda2 < sda5 > >>> [ 0.534085] sd 0:0:0:0: [sda] Attached SCSI disk >>> [ 0.640623] ata2.00: ATAPI: LTN486S, YUS5, max UDMA/33, CDB intr >>> [ 0.660541] ata2.00: configured for UDMA/33 >>> [ 0.661601] scsi 1:0:0:0: CD-ROM LITEON CD-ROM LTN486S YUS5 PQ: 0 ANSI: 5 >>> [ 0.697961] EXT4-fs (sda1): couldn't mount as ext3 due to feature incompatibilities >>> [ 0.698658] EXT4-fs (sda1): couldn't mount as ext2 due to feature incompatibilities >>> [ 0.798677] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null) >>> [ 0.798951] VFS: Mounted root (ext4 filesystem) readonly on device 8:1. >>> [ 0.841802] devtmpfs: mounted >>> [ 0.844882] Freeing unused kernel memory: 296K (c13b2000 - c13fc000) >>> [ 0.845406] Write protecting the kernel text: 2384k >>> [ 0.845711] Write protecting the kernel read-only data: 1184k >>> [ 1.210359] tsc: Refined TSC clocksource calibration: 533.352 MHz >>> [ 2.211586] Switched to clocksource tsc >>> [ 3.346782] systemd-udevd[507]: starting version 204 >>> [ 3.894441] Linux agpgart interface v0.103 >>> [ 3.920003] agpgart: Detected VIA Apollo ProMedia/PLE133Ta chipset >>> [ 3.942911] parport_pc: VIA 686A/8231 detected >>> [ 3.942931] parport_pc: probing current configuration >>> [ 3.942962] parport_pc: Current parallel port base: 0x378 >>> [ 3.943064] parport0: PC-style at 0x378 (0x778), irq 7, using FIFO [PCSPP,TRISTATE,COMPAT,ECP] >>> [ 3.950348] agpgart-via 0000:00:00.0: AGP aperture is 256M @ 0xd0000000 >>> [ 3.957956] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input2 >>> [ 3.958180] ACPI: Power Button [PWRB] >>> [ 3.958998] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 >>> [ 3.959177] ACPI: Power Button [PWRF] >>> [ 4.040297] parport_pc: VIA parallel port: io=0x378, irq=7 >>> [ 4.111583] ACPI: Fan [FAN] (on) >>> [ 4.493990] via_rhine: v1.10-LK1.5.1 2010-10-09 Written by Donald Becker >>> [ 4.494161] via_rhine: Broken BIOS detected, avoid_D3 enabled >>> [ 4.496816] ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 10 >>> [ 4.496944] PCI: setting IRQ 10 as level-triggered >>> [ 4.502210] via-rhine 0000:00:12.0 eth0: VIA Rhine II at 0xe4001000, 00:40:63:d7:94:5e, IRQ 10 >>> [ 4.503188] via-rhine 0000:00:12.0 eth0: MII PHY found at address 1, status 0x786d advertising 05e1 Link 45e1 >>> [ 4.509274] tulip: Linux Tulip driver version 1.1.15-NAPI (Feb 27, 2007) >>> [ 4.511851] ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 11 >>> [ 4.511979] PCI: setting IRQ 11 as level-triggered >>> [ 4.512115] tulip: tulip_init_one: Enabled WOL support for AN983B >>> [ 4.512463] tulip0: MII transceiver #1 config 1000 status 7849 advertising 05e1 >>> [ 4.515966] net eth1: ADMtek Comet rev 17 at MMIO 0xe4000000, 00:10:a7:17:5e:ce, IRQ 11 >>> [ 4.542870] sr0: scsi3-mmc drive: 48x/48x cd/rw xa/form2 cdda tray >>> [ 4.543120] cdrom: Uniform CD-ROM driver Revision: 3.20 >>> [ 4.544889] sr 1:0:0:0: Attached scsi CD-ROM sr0 >>> [ 4.572605] sd 0:0:0:0: Attached scsi generic sg0 type 0 >>> [ 4.581904] sr 1:0:0:0: Attached scsi generic sg1 type 5 >>> [ 4.601998] ACPI Warning: SystemIO range 0x00006000-0x0000607f conflicts with OpRegion 0x0000603a-0x0000603a (\IP3_) (20140214/utaddress-258) >>> [ 4.602307] ACPI Warning: SystemIO range 0x00006000-0x0000607f conflicts with OpRegion 0x00006039-0x00006039 (\IP2_) (20140214/utaddress-258) >>> [ 4.602587] ACPI Warning: SystemIO range 0x00006000-0x0000607f conflicts with OpRegion 0x00006040-0x00006040 (\IP1_) (20140214/utaddress-258) >>> [ 4.602865] ACPI Warning: SystemIO range 0x00006000-0x0000607f conflicts with OpRegion 0x00006020-0x00006020 (\IP0_) (20140214/utaddress-258) >>> [ 4.603150] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver >>> [ 4.623276] ACPI: bus type USB registered >>> [ 4.623733] usbcore: registered new interface driver usbfs >>> [ 4.623995] usbcore: registered new interface driver hub >>> [ 4.650437] usbcore: registered new device driver usb >>> [ 4.708794] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver >>> [ 4.713729] uhci_hcd: USB Universal Host Controller Interface driver >>> [ 4.714502] uhci_hcd 0000:00:11.2: UHCI Host Controller >>> [ 4.714662] uhci_hcd 0000:00:11.2: new USB bus registered, assigned bus number 1 >>> [ 4.714911] uhci_hcd 0000:00:11.2: irq 5, io base 0x0000d400 >>> [ 4.729909] usb usb1: New USB device found, idVendor=1d6b, idProduct=0001 >>> [ 4.730113] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 >>> [ 4.730289] usb usb1: Product: UHCI Host Controller >>> [ 4.730406] usb usb1: Manufacturer: Linux 3.15.0-rc2 uhci_hcd >>> [ 4.730525] usb usb1: SerialNumber: 0000:00:11.2 >>> [ 4.735737] hub 1-0:1.0: USB hub found >>> [ 4.739961] hub 1-0:1.0: 2 ports detected >>> [ 4.742202] uhci_hcd 0000:00:11.3: UHCI Host Controller >>> [ 4.742372] uhci_hcd 0000:00:11.3: new USB bus registered, assigned bus number 2 >>> [ 4.742618] uhci_hcd 0000:00:11.3: irq 5, io base 0x0000d800 >>> [ 4.743448] usb usb2: New USB device found, idVendor=1d6b, idProduct=0001 >>> [ 4.743650] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 >>> [ 4.743823] usb usb2: Product: UHCI Host Controller >>> [ 4.743940] usb usb2: Manufacturer: Linux 3.15.0-rc2 uhci_hcd >>> [ 4.744060] usb usb2: SerialNumber: 0000:00:11.3 >>> [ 4.746254] hub 2-0:1.0: USB hub found >>> [ 4.746594] hub 2-0:1.0: 2 ports detected >>> [ 4.884342] longhaul: VIA C3 'Samuel 2' [C5B] CPU detected. Longhaul v2 supported. >>> [ 4.884619] longhaul: Using northbridge support. >>> [ 5.001516] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 12 >>> [ 5.001656] PCI: setting IRQ 12 as level-triggered >>> [ 5.929527] random: nonblocking pool is initialized >>> [ 7.543326] Adding 100348k swap on /dev/sda5. Priority:-1 extents:1 across:100348k >>> [ 7.685305] EXT4-fs (sda1): re-mounted. Opts: (null) >>> [ 8.099358] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro >>> [ 13.339242] NET: Registered protocol family 10 >>> [ 240.080089] INFO: task kworker/0:2:357 blocked for more than 120 seconds. >>> [ 240.080236] Not tainted 3.15.0-rc2 #35 >>> [ 240.080346] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. >>> [ 240.080520] kworker/0:2 D c13ac240 0 357 2 0x00000000 >>> [ 240.080741] Workqueue: events od_dbs_timer >>> [ 240.080881] c0035dec 00000046 c10363ab c13ac240 f318d568 c0035fec c0031b50 c0031b50 >>> [ 240.081330] 00000286 d3928373 00000000 f318d568 fffffff8 46ab58db 00000001 d3928373 >>> [ 240.081778] 00000000 00000286 c0035e98 00000000 c13a5960 c0035de4 c1005c89 c138ac60 >>> [ 240.082228] Call Trace: >>> [ 240.082377] [<c10363ab>] ? sched_clock_tick+0x67/0x6b >>> [ 240.082530] [<c1005c89>] ? time_cpufreq_notifier.part.9+0xb1/0xb6 >>> [ 240.082683] [<c12514c6>] schedule+0x5d/0x5f >>> [ 240.082809] [<c11c484f>] cpufreq_freq_transition_begin+0x4a/0x7c >>> [ 240.082949] [<c10389e6>] ? __wake_up_sync+0x14/0x14 >>> [ 240.083097] [<d06de2c9>] longhaul_setstate+0x88/0x2af [longhaul] >>> [ 240.083228] [<c103258b>] ? srcu_notifier_call_chain+0x1a/0x1c >>> [ 240.083367] [<d06de56c>] longhaul_target+0x7c/0x8b [longhaul] >>> [ 240.083498] [<c11c4c2e>] __cpufreq_driver_target+0xfe/0x148 >>> [ 240.083628] [<c1046b1b>] ? get_cpu_iowait_time_us+0x84/0xa3 >>> [ 240.083755] [<c11c5ab2>] od_check_cpu+0x75/0x79 >>> [ 240.084730] [<c11c6454>] dbs_check_cpu+0xbd/0xc5 >>> [ 240.084853] [<c11c64c4>] ? need_load_eval+0x18/0x6d >>> [ 240.084976] [<c11c5c8d>] od_dbs_timer+0x78/0xd7 >>> [ 240.085117] [<c102bc54>] process_one_work+0x165/0x253 >>> [ 240.085250] [<c102c629>] worker_thread+0x194/0x25d >>> [ 240.085379] [<c102c495>] ? rescuer_thread+0x1ba/0x1ba >>> [ 240.085514] [<c102f910>] kthread+0xa3/0xa8 >>> [ 240.085650] [<c1252f00>] ret_from_kernel_thread+0x20/0x30 >>> [ 240.085778] [<c102f86d>] ? kthread_worker_fn+0x88/0x88 >>> [ 240.085916] INFO: task cpufreq-set:1872 blocked for more than 120 seconds. >>> [ 240.086036] Not tainted 3.15.0-rc2 #35 >>> [ 240.086146] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. >>> [ 240.086315] cpufreq-set D 00000000 0 1872 1864 0x00000000 >>> [ 240.086503] cf79bd64 00000082 0003ec1b 00000000 cf79bd24 cf79bfec c0425bd0 c0425bd0 >>> [ 240.086949] 00000002 c0425bd0 c1395ad4 c0425bfc cf79bd3c c1037116 00000001 c1395ad4 >>> [ 240.087397] c125b254 c0425bd0 cf79bd54 c1033fa2 c003161c 00000000 c0425bd0 c00313d0 >>> [ 240.087845] Call Trace: >>> [ 240.087964] [<c1037116>] ? dequeue_task_fair+0xb8/0xbe >>> [ 240.088091] [<c1033fa2>] ? dequeue_task+0x23/0x29 >>> [ 240.088222] [<c12514c6>] schedule+0x5d/0x5f >>> [ 240.088342] [<c12515fa>] schedule_preempt_disabled+0x8/0xa >>> [ 240.088469] [<c1251efd>] __mutex_lock_slowpath+0x4c/0x72 >>> [ 240.088594] [<c1251aa2>] mutex_lock+0xc/0xe >>> [ 240.088720] [<c11c68f8>] cpufreq_governor_dbs+0x3df/0x428 >>> [ 240.088853] [<c11c5c06>] od_cpufreq_governor_dbs+0xf/0x11 >>> [ 240.088979] [<c11c3d5b>] __cpufreq_governor+0xc3/0x137 >>> [ 240.089106] [<c11c3ff1>] cpufreq_set_policy+0x16f/0x17c >>> [ 240.089233] [<c11c4679>] store_scaling_governor+0x70/0x91 >>> [ 240.089367] [<c107e800>] ? pipe_fcntl+0x160/0x1a4 >>> [ 240.089497] [<c11c4b23>] ? cpufreq_update_policy+0x10a/0x10a >>> [ 240.089632] [<c11c4609>] ? cpufreq_parse_governor+0xf0/0xf0 >>> [ 240.089757] [<c11c37ad>] store+0x4e/0x72 >>> [ 240.089882] [<c10b916c>] sysfs_kf_write+0x32/0x38 >>> [ 240.090005] [<c10b913a>] ? sysfs_kf_seq_show+0xb1/0xb1 >>> [ 240.090191] [<c10b870e>] kernfs_fop_write+0xa9/0xef >>> [ 240.090322] [<c10b8665>] ? kernfs_vma_page_mkwrite+0x5a/0x5a >>> [ 240.090460] [<c1078d38>] vfs_write+0xa4/0x144 >>> [ 240.090585] [<c1079276>] SyS_write+0x41/0x80 >>> [ 240.090709] [<c12529dd>] syscall_call+0x7/0xb >>> [ 360.090086] INFO: task kworker/0:2:357 blocked for more than 120 seconds. >>> [ 360.090231] Not tainted 3.15.0-rc2 #35 >>> [ 360.090343] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. >>> [ 360.090515] kworker/0:2 D c13ac240 0 357 2 0x00000000 >>> [ 360.090735] Workqueue: events od_dbs_timer >>> [ 360.090876] c0035dec 00000046 c10363ab c13ac240 f318d568 c0035fec c0031b50 c0031b50 >>> [ 360.091325] 00000286 d3928373 00000000 f318d568 fffffff8 46ab58db 00000001 d3928373 >>> [ 360.091773] 00000000 00000286 c0035e98 00000000 c13a5960 c0035de4 c1005c89 c138ac60 >>> [ 360.092222] Call Trace: >>> [ 360.092370] [<c10363ab>] ? sched_clock_tick+0x67/0x6b >>> [ 360.092520] [<c1005c89>] ? time_cpufreq_notifier.part.9+0xb1/0xb6 >>> [ 360.092674] [<c12514c6>] schedule+0x5d/0x5f >>> [ 360.092800] [<c11c484f>] cpufreq_freq_transition_begin+0x4a/0x7c >>> [ 360.092940] [<c10389e6>] ? __wake_up_sync+0x14/0x14 >>> [ 360.093087] [<d06de2c9>] longhaul_setstate+0x88/0x2af [longhaul] >>> [ 360.093218] [<c103258b>] ? srcu_notifier_call_chain+0x1a/0x1c >>> [ 360.093355] [<d06de56c>] longhaul_target+0x7c/0x8b [longhaul] >>> [ 360.093483] [<c11c4c2e>] __cpufreq_driver_target+0xfe/0x148 >>> [ 360.093613] [<c1046b1b>] ? get_cpu_iowait_time_us+0x84/0xa3 >>> [ 360.093740] [<c11c5ab2>] od_check_cpu+0x75/0x79 >>> [ 360.093866] [<c11c6454>] dbs_check_cpu+0xbd/0xc5 >>> [ 360.093989] [<c11c64c4>] ? need_load_eval+0x18/0x6d >>> [ 360.094112] [<c11c5c8d>] od_dbs_timer+0x78/0xd7 >>> [ 360.094250] [<c102bc54>] process_one_work+0x165/0x253 >>> [ 360.094381] [<c102c629>] worker_thread+0x194/0x25d >>> [ 360.094508] [<c102c495>] ? rescuer_thread+0x1ba/0x1ba >>> [ 360.094638] [<c102f910>] kthread+0xa3/0xa8 >>> [ 360.094769] [<c1252f00>] ret_from_kernel_thread+0x20/0x30 >>> [ 360.094894] [<c102f86d>] ? kthread_worker_fn+0x88/0x88 >>> [ 360.095028] INFO: task cpufreq-set:1872 blocked for more than 120 seconds. >>> [ 360.095148] Not tainted 3.15.0-rc2 #35 >>> [ 360.095256] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. >>> [ 360.095427] cpufreq-set D 00000000 0 1872 1864 0x00000000 >>> [ 360.095618] cf79bd64 00000082 0003ec1b 00000000 cf79bd24 cf79bfec c0425bd0 c0425bd0 >>> [ 360.096065] 00000002 c0425bd0 c1395ad4 c0425bfc cf79bd3c c1037116 00000001 c1395ad4 >>> [ 360.096514] c125b254 c0425bd0 cf79bd54 c1033fa2 c003161c 00000000 c0425bd0 c00313d0 >>> [ 360.096961] Call Trace: >>> [ 360.097081] [<c1037116>] ? dequeue_task_fair+0xb8/0xbe >>> [ 360.097211] [<c1033fa2>] ? dequeue_task+0x23/0x29 >>> [ 360.097341] [<c12514c6>] schedule+0x5d/0x5f >>> [ 360.097462] [<c12515fa>] schedule_preempt_disabled+0x8/0xa >>> [ 360.097591] [<c1251efd>] __mutex_lock_slowpath+0x4c/0x72 >>> [ 360.097717] [<c1251aa2>] mutex_lock+0xc/0xe >>> [ 360.097842] [<c11c68f8>] cpufreq_governor_dbs+0x3df/0x428 >>> [ 360.097973] [<c11c5c06>] od_cpufreq_governor_dbs+0xf/0x11 >>> [ 360.098099] [<c11c3d5b>] __cpufreq_governor+0xc3/0x137 >>> [ 360.098225] [<c11c3ff1>] cpufreq_set_policy+0x16f/0x17c >>> [ 360.098353] [<c11c4679>] store_scaling_governor+0x70/0x91 >>> [ 360.098489] [<c107e800>] ? pipe_fcntl+0x160/0x1a4 >>> [ 360.098622] [<c11c4b23>] ? cpufreq_update_policy+0x10a/0x10a >>> [ 360.098758] [<c11c4609>] ? cpufreq_parse_governor+0xf0/0xf0 >>> [ 360.098884] [<c11c37ad>] store+0x4e/0x72 >>> [ 360.099007] [<c10b916c>] sysfs_kf_write+0x32/0x38 >>> [ 360.099130] [<c10b913a>] ? sysfs_kf_seq_show+0xb1/0xb1 >>> [ 360.099275] [<c10b870e>] kernfs_fop_write+0xa9/0xef >>> [ 360.099405] [<c10b8665>] ? kernfs_vma_page_mkwrite+0x5a/0x5a >>> [ 360.099543] [<c1078d38>] vfs_write+0xa4/0x144 >>> [ 360.099671] [<c1079276>] SyS_write+0x41/0x80 >>> [ 360.099796] [<c12529dd>] syscall_call+0x7/0xb >>> [ 480.090084] INFO: task kworker/0:2:357 blocked for more than 120 seconds. >>> [ 480.090225] Not tainted 3.15.0-rc2 #35 >>> [ 480.090332] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. >>> [ 480.090499] kworker/0:2 D c13ac240 0 357 2 0x00000000 >>> [ 480.090717] Workqueue: events od_dbs_timer >>> [ 480.090858] c0035dec 00000046 c10363ab c13ac240 f318d568 c0035fec c0031b50 c0031b50 >>> [ 480.091306] 00000286 d3928373 00000000 f318d568 fffffff8 46ab58db 00000001 d3928373 >>> [ 480.091753] 00000000 00000286 c0035e98 00000000 c13a5960 c0035de4 c1005c89 c138ac60 >>> [ 480.092201] Call Trace: >>> [ 480.092346] [<c10363ab>] ? sched_clock_tick+0x67/0x6b >>> [ 480.092496] [<c1005c89>] ? time_cpufreq_notifier.part.9+0xb1/0xb6 >>> [ 480.092649] [<c12514c6>] schedule+0x5d/0x5f >>> [ 480.092776] [<c11c484f>] cpufreq_freq_transition_begin+0x4a/0x7c >>> [ 480.092914] [<c10389e6>] ? __wake_up_sync+0x14/0x14 >>> [ 480.093062] [<d06de2c9>] longhaul_setstate+0x88/0x2af [longhaul] >>> [ 480.093192] [<c103258b>] ? srcu_notifier_call_chain+0x1a/0x1c >>> [ 480.093328] [<d06de56c>] longhaul_target+0x7c/0x8b [longhaul] >>> [ 480.093459] [<c11c4c2e>] __cpufreq_driver_target+0xfe/0x148 >>> [ 480.093594] [<c1046b1b>] ? get_cpu_iowait_time_us+0x84/0xa3 >>> [ 480.093723] [<c11c5ab2>] od_check_cpu+0x75/0x79 >>> [ 480.093852] [<c11c6454>] dbs_check_cpu+0xbd/0xc5 >>> [ 480.093978] [<c11c64c4>] ? need_load_eval+0x18/0x6d >>> [ 480.094103] [<c11c5c8d>] od_dbs_timer+0x78/0xd7 >>> [ 480.094245] [<c102bc54>] process_one_work+0x165/0x253 >>> [ 480.094378] [<c102c629>] worker_thread+0x194/0x25d >>> [ 480.094507] [<c102c495>] ? rescuer_thread+0x1ba/0x1ba >>> [ 480.094642] [<c102f910>] kthread+0xa3/0xa8 >>> [ 480.094777] [<c1252f00>] ret_from_kernel_thread+0x20/0x30 >>> [ 480.094904] [<c102f86d>] ? kthread_worker_fn+0x88/0x88 >>> [ 480.095038] INFO: task cpufreq-set:1872 blocked for more than 120 seconds. >>> [ 480.095159] Not tainted 3.15.0-rc2 #35 >>> [ 480.095269] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. >>> [ 480.095439] cpufreq-set D 00000000 0 1872 1864 0x00000000 >>> [ 480.095628] cf79bd64 00000082 0003ec1b 00000000 cf79bd24 cf79bfec c0425bd0 c0425bd0 >>> [ 480.096074] 00000002 c0425bd0 c1395ad4 c0425bfc cf79bd3c c1037116 00000001 c1395ad4 >>> [ 480.096522] c125b254 c0425bd0 cf79bd54 c1033fa2 c003161c 00000000 c0425bd0 c00313d0 >>> [ 480.096971] Call Trace: >>> [ 480.097090] [<c1037116>] ? dequeue_task_fair+0xb8/0xbe >>> [ 480.097219] [<c1033fa2>] ? dequeue_task+0x23/0x29 >>> [ 480.097351] [<c12514c6>] schedule+0x5d/0x5f >>> [ 480.097472] [<c12515fa>] schedule_preempt_disabled+0x8/0xa >>> [ 480.097598] [<c1251efd>] __mutex_lock_slowpath+0x4c/0x72 >>> [ 480.097722] [<c1251aa2>] mutex_lock+0xc/0xe >>> [ 480.097847] [<c11c68f8>] cpufreq_governor_dbs+0x3df/0x428 >>> [ 480.097979] [<c11c5c06>] od_cpufreq_governor_dbs+0xf/0x11 >>> [ 480.098106] [<c11c3d5b>] __cpufreq_governor+0xc3/0x137 >>> [ 480.098233] [<c11c3ff1>] cpufreq_set_policy+0x16f/0x17c >>> [ 480.098362] [<c11c4679>] store_scaling_governor+0x70/0x91 >>> [ 480.098496] [<c107e800>] ? pipe_fcntl+0x160/0x1a4 >>> [ 480.098627] [<c11c4b23>] ? cpufreq_update_policy+0x10a/0x10a >>> [ 480.098761] [<c11c4609>] ? cpufreq_parse_governor+0xf0/0xf0 >>> [ 480.098887] [<c11c37ad>] store+0x4e/0x72 >>> [ 480.099012] [<c10b916c>] sysfs_kf_write+0x32/0x38 >>> [ 480.099135] [<c10b913a>] ? sysfs_kf_seq_show+0xb1/0xb1 >>> [ 480.099280] [<c10b870e>] kernfs_fop_write+0xa9/0xef >>> [ 480.099411] [<c10b8665>] ? kernfs_vma_page_mkwrite+0x5a/0x5a >>> [ 480.099551] [<c1078d38>] vfs_write+0xa4/0x144 >>> [ 480.099677] [<c1079276>] SyS_write+0x41/0x80 >>> [ 480.099800] [<c12529dd>] syscall_call+0x7/0xb >>> [ 600.090089] INFO: task kworker/0:2:357 blocked for more than 120 seconds. >>> [ 600.090235] Not tainted 3.15.0-rc2 #35 >>> [ 600.090344] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. >>> [ 600.091428] kworker/0:2 D c13ac240 0 357 2 0x00000000 >>> [ 600.091651] Workqueue: events od_dbs_timer >>> [ 600.091792] c0035dec 00000046 c10363ab c13ac240 f318d568 c0035fec c0031b50 c0031b50 >>> [ 600.092240] 00000286 d3928373 00000000 f318d568 fffffff8 46ab58db 00000001 d3928373 >>> [ 600.092688] 00000000 00000286 c0035e98 00000000 c13a5960 c0035de4 c1005c89 c138ac60 >>> [ 600.093135] Call Trace: >>> [ 600.093282] [<c10363ab>] ? sched_clock_tick+0x67/0x6b >>> [ 600.093432] [<c1005c89>] ? time_cpufreq_notifier.part.9+0xb1/0xb6 >>> [ 600.093584] [<c12514c6>] schedule+0x5d/0x5f >>> [ 600.093710] [<c11c484f>] cpufreq_freq_transition_begin+0x4a/0x7c >>> [ 600.093850] [<c10389e6>] ? __wake_up_sync+0x14/0x14 >>> [ 600.093997] [<d06de2c9>] longhaul_setstate+0x88/0x2af [longhaul] >>> [ 600.094127] [<c103258b>] ? srcu_notifier_call_chain+0x1a/0x1c >>> [ 600.094262] [<d06de56c>] longhaul_target+0x7c/0x8b [longhaul] >>> [ 600.094393] [<c11c4c2e>] __cpufreq_driver_target+0xfe/0x148 >>> [ 600.094528] [<c1046b1b>] ? get_cpu_iowait_time_us+0x84/0xa3 >>> [ 600.094657] [<c11c5ab2>] od_check_cpu+0x75/0x79 >>> [ 600.094784] [<c11c6454>] dbs_check_cpu+0xbd/0xc5 >>> [ 600.094910] [<c11c64c4>] ? need_load_eval+0x18/0x6d >>> [ 600.095037] [<c11c5c8d>] od_dbs_timer+0x78/0xd7 >>> [ 600.095180] [<c102bc54>] process_one_work+0x165/0x253 >>> [ 600.095312] [<c102c629>] worker_thread+0x194/0x25d >>> [ 600.095442] [<c102c495>] ? rescuer_thread+0x1ba/0x1ba >>> [ 600.095575] [<c102f910>] kthread+0xa3/0xa8 >>> [ 600.095712] [<c1252f00>] ret_from_kernel_thread+0x20/0x30 >>> [ 600.095839] [<c102f86d>] ? kthread_worker_fn+0x88/0x88 >>> [ 600.095974] INFO: task cpufreq-set:1872 blocked for more than 120 seconds. >>> [ 600.096094] Not tainted 3.15.0-rc2 #35 >>> [ 600.096203] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. >>> [ 600.096374] cpufreq-set D 00000000 0 1872 1864 0x00000000 >>> [ 600.096562] cf79bd64 00000082 0003ec1b 00000000 cf79bd24 cf79bfec c0425bd0 c0425bd0 >>> [ 600.097010] 00000002 c0425bd0 c1395ad4 c0425bfc cf79bd3c c1037116 00000001 c1395ad4 >>> [ 600.097459] c125b254 c0425bd0 cf79bd54 c1033fa2 c003161c 00000000 c0425bd0 c00313d0 >>> [ 600.097907] Call Trace: >>> [ 600.098028] [<c1037116>] ? dequeue_task_fair+0xb8/0xbe >>> [ 600.098157] [<c1033fa2>] ? dequeue_task+0x23/0x29 >>> [ 600.098288] [<c12514c6>] schedule+0x5d/0x5f >>> [ 600.098408] [<c12515fa>] schedule_preempt_disabled+0x8/0xa >>> [ 600.098534] [<c1251efd>] __mutex_lock_slowpath+0x4c/0x72 >>> [ 600.098659] [<c1251aa2>] mutex_lock+0xc/0xe >>> [ 600.098786] [<c11c68f8>] cpufreq_governor_dbs+0x3df/0x428 >>> [ 600.098915] [<c11c5c06>] od_cpufreq_governor_dbs+0xf/0x11 >>> [ 600.099039] [<c11c3d5b>] __cpufreq_governor+0xc3/0x137 >>> [ 600.099164] [<c11c3ff1>] cpufreq_set_policy+0x16f/0x17c >>> [ 600.099288] [<c11c4679>] store_scaling_governor+0x70/0x91 >>> [ 600.099420] [<c107e800>] ? pipe_fcntl+0x160/0x1a4 >>> [ 600.099548] [<c11c4b23>] ? cpufreq_update_policy+0x10a/0x10a >>> [ 600.099680] [<c11c4609>] ? cpufreq_parse_governor+0xf0/0xf0 >>> [ 600.099802] [<c11c37ad>] store+0x4e/0x72 >>> [ 600.099924] [<c10b916c>] sysfs_kf_write+0x32/0x38 >>> [ 600.100085] [<c10b913a>] ? sysfs_kf_seq_show+0xb1/0xb1 >>> [ 600.100227] [<c10b870e>] kernfs_fop_write+0xa9/0xef >>> [ 600.100354] [<c10b8665>] ? kernfs_vma_page_mkwrite+0x5a/0x5a >>> [ 600.100494] [<c1078d38>] vfs_write+0xa4/0x144 >>> [ 600.100622] [<c1079276>] SyS_write+0x41/0x80 >>> [ 600.100745] [<c12529dd>] syscall_call+0x7/0xb >>> [ 720.100118] INFO: task kworker/0:2:357 blocked for more than 120 seconds. >>> [ 720.100265] Not tainted 3.15.0-rc2 #35 >>> [ 720.100374] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. >>> [ 720.100548] kworker/0:2 D c13ac240 0 357 2 0x00000000 >>> [ 720.100769] Workqueue: events od_dbs_timer >>> [ 720.100910] c0035dec 00000046 c10363ab c13ac240 f318d568 c0035fec c0031b50 c0031b50 >>> [ 720.101358] 00000286 d3928373 00000000 f318d568 fffffff8 46ab58db 00000001 d3928373 >>> [ 720.101804] 00000000 00000286 c0035e98 00000000 c13a5960 c0035de4 c1005c89 c138ac60 >>> [ 720.102254] Call Trace: >>> [ 720.102403] [<c10363ab>] ? sched_clock_tick+0x67/0x6b >>> [ 720.102554] [<c1005c89>] ? time_cpufreq_notifier.part.9+0xb1/0xb6 >>> [ 720.102705] [<c12514c6>] schedule+0x5d/0x5f >>> [ 720.102831] [<c11c484f>] cpufreq_freq_transition_begin+0x4a/0x7c >>> [ 720.102972] [<c10389e6>] ? __wake_up_sync+0x14/0x14 >>> [ 720.103121] [<d06de2c9>] longhaul_setstate+0x88/0x2af [longhaul] >>> [ 720.103251] [<c103258b>] ? srcu_notifier_call_chain+0x1a/0x1c >>> [ 720.103387] [<d06de56c>] longhaul_target+0x7c/0x8b [longhaul] >>> [ 720.103520] [<c11c4c2e>] __cpufreq_driver_target+0xfe/0x148 >>> [ 720.103653] [<c1046b1b>] ? get_cpu_iowait_time_us+0x84/0xa3 >>> [ 720.103782] [<c11c5ab2>] od_check_cpu+0x75/0x79 >>> [ 720.103911] [<c11c6454>] dbs_check_cpu+0xbd/0xc5 >>> [ 720.104036] [<c11c64c4>] ? need_load_eval+0x18/0x6d >>> [ 720.104162] [<c11c5c8d>] od_dbs_timer+0x78/0xd7 >>> [ 720.104306] [<c102bc54>] process_one_work+0x165/0x253 >>> [ 720.104440] [<c102c629>] worker_thread+0x194/0x25d >>> [ 720.104571] [<c102c495>] ? rescuer_thread+0x1ba/0x1ba >>> [ 720.104703] [<c102f910>] kthread+0xa3/0xa8 >>> [ 720.104839] [<c1252f00>] ret_from_kernel_thread+0x20/0x30 >>> [ 720.104967] [<c102f86d>] ? kthread_worker_fn+0x88/0x88 >>> [ 720.105102] INFO: task cpufreq-set:1872 blocked for more than 120 seconds. >>> [ 720.105223] Not tainted 3.15.0-rc2 #35 >>> [ 720.105331] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. >>> [ 720.105501] cpufreq-set D 00000000 0 1872 1864 0x00000000 >>> [ 720.105691] cf79bd64 00000082 0003ec1b 00000000 cf79bd24 cf79bfec c0425bd0 c0425bd0 >>> [ 720.106140] 00000002 c0425bd0 c1395ad4 c0425bfc cf79bd3c c1037116 00000001 c1395ad4 >>> [ 720.106591] c125b254 c0425bd0 cf79bd54 c1033fa2 c003161c 00000000 c0425bd0 c00313d0 >>> [ 720.107039] Call Trace: >>> [ 720.107158] [<c1037116>] ? dequeue_task_fair+0xb8/0xbe >>> [ 720.107285] [<c1033fa2>] ? dequeue_task+0x23/0x29 >>> [ 720.107415] [<c12514c6>] schedule+0x5d/0x5f >>> [ 720.107535] [<c12515fa>] schedule_preempt_disabled+0x8/0xa >>> [ 720.107663] [<c1251efd>] __mutex_lock_slowpath+0x4c/0x72 >>> [ 720.107789] [<c1251aa2>] mutex_lock+0xc/0xe >>> [ 720.107916] [<c11c68f8>] cpufreq_governor_dbs+0x3df/0x428 >>> [ 720.108049] [<c11c5c06>] od_cpufreq_governor_dbs+0xf/0x11 >>> [ 720.108174] [<c11c3d5b>] __cpufreq_governor+0xc3/0x137 >>> [ 720.108302] [<c11c3ff1>] cpufreq_set_policy+0x16f/0x17c >>> [ 720.108429] [<c11c4679>] store_scaling_governor+0x70/0x91 >>> [ 720.108565] [<c107e800>] ? pipe_fcntl+0x160/0x1a4 >>> [ 720.108697] [<c11c4b23>] ? cpufreq_update_policy+0x10a/0x10a >>> [ 720.108829] [<c11c4609>] ? cpufreq_parse_governor+0xf0/0xf0 >>> [ 720.108951] [<c11c37ad>] store+0x4e/0x72 >>> [ 720.109073] [<c10b916c>] sysfs_kf_write+0x32/0x38 >>> [ 720.109194] [<c10b913a>] ? sysfs_kf_seq_show+0xb1/0xb1 >>> [ 720.109335] [<c10b870e>] kernfs_fop_write+0xa9/0xef >>> [ 720.109463] [<c10b8665>] ? kernfs_vma_page_mkwrite+0x5a/0x5a >>> [ 720.109598] [<c1078d38>] vfs_write+0xa4/0x144 >>> [ 720.109722] [<c1079276>] SyS_write+0x41/0x80 >>> [ 720.109843] [<c12529dd>] syscall_call+0x7/0xb >>> >>> -- >>> Meelis Roos (mroos@...ux.ee) >> > -- 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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