On 04/25/2014 12:33 AM, Meelis Roos wrote:
>> 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
>
> At boot, nothing special was in dmesg. After running cpufreq-info (which
> hangs indefinitely), I get the following dmesg with hangs and lock info:
Thank you for the logs, but unfortunately they don't give us much
further insight into this issue.
Just to be sure that our suspicion is right, can you try reverting
commit 12478cf0c55 (cpufreq: Make sure frequency transitions are
serialized) and check whether reverting the patch solves the problem?
Thank you!
Regards,
Srivatsa S. Bhat
>
> [ 0.000000] Linux version 3.15.0-rc2-dirty (mroos@via) (gcc version 4.8.2 (Debian 4.8.2-17) ) #37 Thu Apr 24 16:45:25 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 0x00000000-0x01bfffff]
> [ 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 [0x01965000, 0x01965fff] PGTABLE
> [ 0.000000] init_memory_mapping: [mem 0x08000000-0x0f7fffff]
> [ 0.000000] [mem 0x08000000-0x0f7fffff] page 4k
> [ 0.000000] BRK [0x01966000, 0x01966fff] PGTABLE
> [ 0.000000] BRK [0x01967000, 0x01967fff] PGTABLE
> [ 0.000000] BRK [0x01968000, 0x01968fff] PGTABLE
> [ 0.000000] BRK [0x01969000, 0x01969fff] PGTABLE
> [ 0.000000] BRK [0x0196a000, 0x0196afff] 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 c13f45dc, node_mem_map cf9cd020
> [ 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-dirty 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: 247424K/259644K available (2594K kernel code, 246K rwdata, 1224K rodata, 304K init, 5208K bss, 12220K 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 : 0xc13fb000 - 0xc1447000 ( 304 kB)
> [ 0.000000] .data : 0xc1288c2d - 0xc13f98e0 (1475 kB)
> [ 0.000000] .text : 0xc1000000 - 0xc1288c2d (2595 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=cf408000 soft=cf40a000
> [ 0.000000] Console: colour VGA+ 80x25
> [ 0.000000] console [tty0] 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: 16384
> [ 0.000000] ... MAX_LOCKDEP_CHAINS: 32768
> [ 0.000000] ... CHAINHASH_SIZE: 16384
> [ 0.000000] memory used by lock dependency info: 3567 kB
> [ 0.000000] per task-struct memory footprint: 1152 bytes
> [ 0.000000] tsc: Fast TSC calibration using PIT
> [ 0.000000] tsc: Detected 533.349 MHz processor
> [ 0.020278] Calibrating delay loop (skipped), value calculated using timer frequency.. 1066.69 BogoMIPS (lpj=5333490)
> [ 0.020545] pid_max: default: 32768 minimum: 301
> [ 0.020838] ACPI: Core revision 20140214
> [ 0.055942] ACPI: All ACPI Tables successfully acquired
> [ 0.056182] ACPI: setting ELCR to 0008 (from 1c28)
> [ 0.058512] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
> [ 0.058665] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
> [ 0.065594] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0
> [ 0.065594] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0
> [ 0.065594] tlb_flushall_shift: -1
> [ 0.065922] CPU: Centaur VIA Samuel 2 (fam: 06, model: 07, stepping: 03)
> [ 0.069539] Performance Events: no PMU driver, software events only.
> [ 0.075358] NMI watchdog: disabled (cpu0): hardware events not enabled
> [ 0.082209] devtmpfs: initialized
> [ 0.088781] NET: Registered protocol family 16
> [ 0.092418] cpuidle: using governor ladder
> [ 0.092562] cpuidle: using governor menu
> [ 0.093106] ACPI: bus type PCI registered
> [ 0.114990] PCI: PCI BIOS revision 2.10 entry at 0xfb3a0, last bus=1
> [ 0.115148] PCI: Using configuration type 1 for base access
> [ 0.145538] ACPI: Added _OSI(Module Device)
> [ 0.145704] ACPI: Added _OSI(Processor Device)
> [ 0.145842] ACPI: Added _OSI(3.0 _SCP Extensions)
> [ 0.145982] ACPI: Added _OSI(Processor Aggregator Device)
> [ 0.209723] ACPI: Interpreter enabled
> [ 0.209945] ACPI: (supports S0 S5)
> [ 0.210034] ACPI: Using PIC for interrupt routing
> [ 0.210570] PCI: Ignoring host bridge windows from ACPI; if necessary, use "pci=use_crs" and report a bug
> [ 0.277204] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
> [ 0.277418] acpi PNP0A03:00: _OSC: OS supports [Segments]
> [ 0.278256] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM
> [ 0.279931] acpi PNP0A03:00: host bridge window [io 0x0000-0x0cf7] (ignored)
> [ 0.279964] acpi PNP0A03:00: host bridge window [io 0x0d00-0x3fff] (ignored)
> [ 0.280055] acpi PNP0A03:00: host bridge window [io 0x4100-0x4fff] (ignored)
> [ 0.280086] acpi PNP0A03:00: host bridge window [io 0x5010-0x5fff] (ignored)
> [ 0.280116] acpi PNP0A03:00: host bridge window [io 0x6080-0xffff] (ignored)
> [ 0.280147] acpi PNP0A03:00: host bridge window [mem 0x000a0000-0x000bffff] (ignored)
> [ 0.280178] acpi PNP0A03:00: host bridge window [mem 0x000c0000-0x000dffff] (ignored)
> [ 0.280210] acpi PNP0A03:00: host bridge window [mem 0x0fe00000-0xffefffff] (ignored)
> [ 0.280236] PCI: root bus 00: using default resources
> [ 0.280592] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge.
> [ 0.282969] PCI host bridge to bus 0000:00
> [ 0.283199] pci_bus 0000:00: root bus resource [bus 00-ff]
> [ 0.283347] pci_bus 0000:00: root bus resource [io 0x0000-0xffff]
> [ 0.283499] pci_bus 0000:00: root bus resource [mem 0x00000000-0xffffffff]
> [ 0.284143] pci 0000:00:00.0: [1106:0601] type 00 class 0x060000
> [ 0.284218] pci 0000:00:00.0: reg 0x10: [mem 0xd0000000-0xdfffffff pref]
> [ 0.286642] pci 0000:00:01.0: [1106:8601] type 01 class 0x060400
> [ 0.286926] pci 0000:00:01.0: supports D1
> [ 0.288418] pci 0000:00:11.0: [1106:8231] type 00 class 0x060100
> [ 0.290429] pci 0000:00:11.1: [1106:0571] type 00 class 0x01018a
> [ 0.290696] pci 0000:00:11.1: reg 0x20: [io 0xd000-0xd00f]
> [ 0.290822] pci 0000:00:11.1: legacy IDE quirk: reg 0x10: [io 0x01f0-0x01f7]
> [ 0.290988] pci 0000:00:11.1: legacy IDE quirk: reg 0x14: [io 0x03f6]
> [ 0.291143] pci 0000:00:11.1: legacy IDE quirk: reg 0x18: [io 0x0170-0x0177]
> [ 0.291301] pci 0000:00:11.1: legacy IDE quirk: reg 0x1c: [io 0x0376]
> [ 0.292987] pci 0000:00:11.2: [1106:3038] type 00 class 0x0c0300
> [ 0.293254] pci 0000:00:11.2: reg 0x20: [io 0xd400-0xd41f]
> [ 0.294918] pci 0000:00:11.3: [1106:3038] type 00 class 0x0c0300
> [ 0.295182] pci 0000:00:11.3: reg 0x20: [io 0xd800-0xd81f]
> [ 0.296819] pci 0000:00:11.4: [1106:8235] type 00 class 0x068000
> [ 0.298647] pci 0000:00:11.5: [1106:3058] type 00 class 0x040100
> [ 0.298759] pci 0000:00:11.5: reg 0x10: [io 0xdc00-0xdcff]
> [ 0.298829] pci 0000:00:11.5: reg 0x14: [io 0xe000-0xe003]
> [ 0.298899] pci 0000:00:11.5: reg 0x18: [io 0xe400-0xe403]
> [ 0.300650] pci 0000:00:12.0: [1106:3065] type 00 class 0x020000
> [ 0.300763] pci 0000:00:12.0: reg 0x10: [io 0xe800-0xe8ff]
> [ 0.300835] pci 0000:00:12.0: reg 0x14: [mem 0xe4001000-0xe40010ff]
> [ 0.301156] pci 0000:00:12.0: supports D1 D2
> [ 0.301185] pci 0000:00:12.0: PME# supported from D0 D1 D2 D3hot D3cold
> [ 0.303144] pci 0000:00:14.0: [1317:0985] type 00 class 0x020000
> [ 0.303256] pci 0000:00:14.0: reg 0x10: [io 0xec00-0xecff]
> [ 0.303328] pci 0000:00:14.0: reg 0x14: [mem 0xe4000000-0xe40003ff]
> [ 0.303556] pci 0000:00:14.0: reg 0x30: [mem 0x00000000-0x0001ffff pref]
> [ 0.303681] pci 0000:00:14.0: supports D1 D2
> [ 0.303709] pci 0000:00:14.0: PME# supported from D0 D1 D2 D3hot D3cold
> [ 0.305770] pci 0000:01:00.0: [1023:8500] type 00 class 0x030000
> [ 0.305895] pci 0000:01:00.0: reg 0x10: [mem 0xe1800000-0xe1ffffff]
> [ 0.305966] pci 0000:01:00.0: reg 0x14: [mem 0xe2000000-0xe201ffff]
> [ 0.306038] pci 0000:01:00.0: reg 0x18: [mem 0xe1000000-0xe17fffff]
> [ 0.306225] pci 0000:01:00.0: reg 0x30: [mem 0x00000000-0x0000ffff pref]
> [ 0.306382] pci 0000:01:00.0: supports D1 D2
> [ 0.307522] pci 0000:00:01.0: PCI bridge to [bus 01]
> [ 0.307708] pci 0000:00:01.0: bridge window [mem 0xe0000000-0xe2ffffff]
> [ 0.307780] pci_bus 0000:00: on NUMA node 0
> [ 0.311382] ACPI: PCI Interrupt Link [LNKA] (IRQs 1 3 4 5 6 7 *10 11 12 14 15)
> [ 0.314106] ACPI: PCI Interrupt Link [LNKB] (IRQs 1 3 4 5 6 7 10 *11 12 14 15)
> [ 0.316913] ACPI: PCI Interrupt Link [LNKC] (IRQs 1 3 4 5 6 7 10 11 *12 14 15)
> [ 0.319713] ACPI: PCI Interrupt Link [LNKD] (IRQs 1 3 4 *5 6 7 10 11 12 14 15)
> [ 0.333991] vgaarb: device added: PCI:0000:01:00.0,decodes=io+mem,owns=io+mem,locks=none
> [ 0.334225] vgaarb: loaded
> [ 0.334345] vgaarb: bridge control possible 0000:01:00.0
> [ 0.335884] SCSI subsystem initialized
> [ 0.336980] libata version 3.00 loaded.
> [ 0.337820] PCI: Using ACPI for IRQ routing
> [ 0.337977] PCI: pci_cache_line_size set to 32 bytes
> [ 0.338235] e820: reserve RAM buffer [mem 0x0fdf0000-0x0fffffff]
> [ 0.344506] Switched to clocksource pit
> [ 0.347793] pnp: PnP ACPI init
> [ 0.348174] ACPI: bus type PNP registered
> [ 0.348174] system 00:00: [mem 0x000cc000-0x000cffff] has been reserved
> [ 0.348174] system 00:00: [mem 0x000f0000-0x000f7fff] could not be reserved
> [ 0.348174] system 00:00: [mem 0x000f8000-0x000fbfff] could not be reserved
> [ 0.348174] system 00:00: [mem 0x000fc000-0x000fffff] could not be reserved
> [ 0.348174] system 00:00: [mem 0x0fdf0000-0x0fdfffff] could not be reserved
> [ 0.348174] system 00:00: [mem 0xffff0000-0xffffffff] has been reserved
> [ 0.348174] system 00:00: [mem 0x00000000-0x0009ffff] could not be reserved
> [ 0.348251] system 00:00: [mem 0x00100000-0x0fdeffff] could not be reserved
> [ 0.348416] system 00:00: [mem 0xfee00000-0xfee00fff] has been reserved
> [ 0.349255] system 00:00: Plug and Play ACPI device, IDs PNP0c01 (active)
> [ 0.352025] system 00:01: [io 0x04d0-0x04d1] has been reserved
> [ 0.352208] system 00:01: Plug and Play ACPI device, IDs PNP0c02 (active)
> [ 0.352448] pnp 00:02: [dma 4]
> [ 0.352967] pnp 00:02: Plug and Play ACPI device, IDs PNP0200 (active)
> [ 0.353651] pnp 00:03: Plug and Play ACPI device, IDs PNP0b00 (active)
> [ 0.354277] pnp 00:04: Plug and Play ACPI device, IDs PNP0800 (active)
> [ 0.354912] pnp 00:05: Plug and Play ACPI device, IDs PNP0c04 (active)
> [ 0.359092] pnp 00:06: Plug and Play ACPI device, IDs PNP0501 (active)
> [ 0.362997] pnp 00:07: [dma 3]
> [ 0.363774] pnp 00:07: Plug and Play ACPI device, IDs PNP0401 (active)
> [ 0.364356] pnp: PnP ACPI: found 8 devices
> [ 0.364494] ACPI: bus type PNP unregistered
> [ 0.447712] Switched to clocksource acpi_pm
> [ 0.447994] pci 0000:00:01.0: BAR 9: assigned [mem 0x10000000-0x100fffff pref]
> [ 0.448218] pci 0000:00:14.0: BAR 6: assigned [mem 0x10100000-0x1011ffff pref]
> [ 0.448447] pci 0000:01:00.0: BAR 6: assigned [mem 0x10000000-0x1000ffff pref]
> [ 0.448655] pci 0000:00:01.0: PCI bridge to [bus 01]
> [ 0.448821] pci 0000:00:01.0: bridge window [mem 0xe0000000-0xe2ffffff]
> [ 0.448991] pci 0000:00:01.0: bridge window [mem 0x10000000-0x100fffff pref]
> [ 0.449224] pci_bus 0000:00: resource 4 [io 0x0000-0xffff]
> [ 0.449255] pci_bus 0000:00: resource 5 [mem 0x00000000-0xffffffff]
> [ 0.449287] pci_bus 0000:01: resource 1 [mem 0xe0000000-0xe2ffffff]
> [ 0.449318] pci_bus 0000:01: resource 2 [mem 0x10000000-0x100fffff pref]
> [ 0.449814] NET: Registered protocol family 2
> [ 0.453341] TCP established hash table entries: 2048 (order: 1, 8192 bytes)
> [ 0.453911] TCP bind hash table entries: 2048 (order: 4, 73728 bytes)
> [ 0.456853] TCP: Hash tables configured (established 2048 bind 2048)
> [ 0.457843] TCP: reno registered
> [ 0.457989] UDP hash table entries: 256 (order: 2, 20480 bytes)
> [ 0.458718] UDP-Lite hash table entries: 256 (order: 2, 20480 bytes)
> [ 0.461816] NET: Registered protocol family 1
> [ 0.462117] pci 0000:00:01.0: disabling DAC on VIA PCI bridge
> [ 0.467489] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 5
> [ 0.467639] PCI: setting IRQ 5 as level-triggered
> [ 0.471434] pci 0000:01:00.0: Boot video device
> [ 0.471463] PCI: CLS 32 bytes, default 32
> [ 0.476562] futex hash table entries: 256 (order: 1, 11264 bytes)
> [ 0.485735] msgmni has been set to 483
> [ 0.494199] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253)
> [ 0.494630] io scheduler noop registered
> [ 0.494827] io scheduler cfq registered (default)
> [ 0.535154] Serial: 8250/16550 driver, 16 ports, IRQ sharing disabled
> [ 0.558976] 00:06: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
> [ 0.596782] Non-volatile memory driver v1.3
> [ 0.596939] Hangcheck: starting hangcheck timer 0.9.1 (tick is 180 seconds, margin is 60 seconds).
> [ 0.597150] Hangcheck: Using getrawmonotonic().
> [ 0.598536] pata_via 0000:00:11.1: version 0.3.4
> [ 0.606195] ACPI Exception: AE_AML_PACKAGE_LIMIT, Index (0x0FFFFFFFF) is beyond end of object (length 0x4) (20140214/exoparg2-420)
> [ 0.606601] ACPI Error: Method parse/execution failed [\_SB_.PCI0.IDE0.GTM_] (Node cf42bbd0), AE_AML_PACKAGE_LIMIT (20140214/psparse-536)
> [ 0.607058] ACPI Error: Method parse/execution failed [\_SB_.PCI0.IDE0.CHN0._GTM] (Node cf42b258), AE_AML_PACKAGE_LIMIT (20140214/psparse-536)
> [ 0.607514] ata1: ACPI get timing mode failed (AE 0x300b)
> [ 0.618009] ACPI Exception: AE_AML_PACKAGE_LIMIT, Index (0x0FFFFFFFF) is beyond end of object (length 0x4) (20140214/exoparg2-420)
> [ 0.618412] ACPI Error: Method parse/execution failed [\_SB_.PCI0.IDE0.GTM_] (Node cf42bbd0), AE_AML_PACKAGE_LIMIT (20140214/psparse-536)
> [ 0.618872] ACPI Error: Method parse/execution failed [\_SB_.PCI0.IDE0.CHN1._GTM] (Node cf42b168), AE_AML_PACKAGE_LIMIT (20140214/psparse-536)
> [ 0.619336] ata2: ACPI get timing mode failed (AE 0x300b)
> [ 0.624406] scsi0 : pata_via
> [ 0.628635] scsi1 : pata_via
> [ 0.629938] ata1: PATA max UDMA/100 cmd 0x1f0 ctl 0x3f6 bmdma 0xd000 irq 14
> [ 0.631118] ata2: PATA max UDMA/100 cmd 0x170 ctl 0x376 bmdma 0xd008 irq 15
> [ 0.633837] i8042: PNP: No PS/2 controller found. Probing ports directly.
> [ 0.792381] ata1.00: ATA-6: WDC WD800JB-00FMA0, 13.03G13, max UDMA/100
> [ 0.792553] ata1.00: 156301488 sectors, multi 16: LBA
> [ 0.792716] ata1.00: limited to UDMA/33 due to 40-wire cable
> [ 0.810758] ata1.00: configured for UDMA/33
> [ 0.816280] scsi 0:0:0:0: Direct-Access ATA WDC WD800JB-00FM 13.0 PQ: 0 ANSI: 5
> [ 0.829232] sd 0:0:0:0: [sda] 156301488 512-byte logical blocks: (80.0 GB/74.5 GiB)
> [ 0.830310] sd 0:0:0:0: [sda] Write Protect is off
> [ 0.830463] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
> [ 0.830755] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
> [ 0.880761] serio: i8042 KBD port at 0x60,0x64 irq 1
> [ 0.884915] sda: sda1 sda2 < sda5 >
> [ 0.888172] mousedev: PS/2 mouse device common for all mice
> [ 0.894199] input: PC Speaker as /devices/platform/pcspkr/input/input1
> [ 0.895268] rtc_cmos 00:03: RTC can wake from S4
> [ 0.898022] rtc_cmos 00:03: rtc core: registered rtc_cmos as rtc0
> [ 0.898303] rtc_cmos 00:03: alarms up to one year, y3k, 242 bytes nvram
> [ 0.906453] hidraw: raw HID events driver (C) Jiri Kosina
> [ 0.910828] TCP: cubic registered
> [ 0.910984] NET: Registered protocol family 17
> [ 0.922152] sd 0:0:0:0: [sda] Attached SCSI disk
> [ 0.930316] console [netcon0] enabled
> [ 0.930461] netconsole: network logging started
> [ 0.930708] rtc_cmos 00:03: setting system clock to 2014-04-24 14:26:24 UTC (1398349584)
> [ 0.980807] ata2.00: ATAPI: LTN486S, YUS5, max UDMA/33, CDB intr
> [ 0.981786] ata2.00: configured for UDMA/33
> [ 0.983434] scsi 1:0:0:0: CD-ROM LITEON CD-ROM LTN486S YUS5 PQ: 0 ANSI: 5
> [ 1.025141] EXT4-fs (sda1): couldn't mount as ext3 due to feature incompatibilities
> [ 1.028552] EXT4-fs (sda1): couldn't mount as ext2 due to feature incompatibilities
> [ 1.142178] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null)
> [ 1.142644] VFS: Mounted root (ext4 filesystem) readonly on device 8:1.
> [ 1.186162] devtmpfs: mounted
> [ 1.189976] Freeing unused kernel memory: 304K (c13fb000 - c1447000)
> [ 1.191963] Write protecting the kernel text: 2596k
> [ 1.192879] Write protecting the kernel read-only data: 1228k
> [ 1.640800] tsc: Refined TSC clocksource calibration: 533.352 MHz
> [ 2.645763] Switched to clocksource tsc
> [ 3.989907] systemd-udevd[508]: starting version 204
> [ 4.678557] Linux agpgart interface v0.103
> [ 4.741938] agpgart: Detected VIA Apollo ProMedia/PLE133Ta chipset
> [ 4.767336] parport_pc: VIA 686A/8231 detected
> [ 4.767362] parport_pc: probing current configuration
> [ 4.767408] parport_pc: Current parallel port base: 0x378
> [ 4.767847] parport0: PC-style at 0x378 (0x778), irq 7, using FIFO [PCSPP,TRISTATE,COMPAT,ECP]
> [ 4.771912] agpgart-via 0000:00:00.0: AGP aperture is 256M @ 0xd0000000
> [ 4.790596] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input2
> [ 4.790874] ACPI: Power Button [PWRB]
> [ 4.792468] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3
> [ 4.792705] ACPI: Power Button [PWRF]
> [ 4.886093] parport_pc: VIA parallel port: io=0x378, irq=7
> [ 5.070751] ACPI: Fan [FAN] (on)
> [ 5.284821] sr0: scsi3-mmc drive: 48x/48x cd/rw xa/form2 cdda tray
> [ 5.285002] cdrom: Uniform CD-ROM driver Revision: 3.20
> [ 5.322523] sr 1:0:0:0: Attached scsi CD-ROM sr0
> [ 5.529342] sd 0:0:0:0: Attached scsi generic sg0 type 0
> [ 5.533144] sr 1:0:0:0: Attached scsi generic sg1 type 5
> [ 5.789712] ACPI: bus type USB registered
> [ 5.790808] usbcore: registered new interface driver usbfs
> [ 5.791708] usbcore: registered new interface driver hub
> [ 5.868991] tulip: Linux Tulip driver version 1.1.15-NAPI (Feb 27, 2007)
> [ 5.876145] ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 11
> [ 5.876277] PCI: setting IRQ 11 as level-triggered
> [ 5.876500] tulip: tulip_init_one: Enabled WOL support for AN983B
> [ 5.877230] tulip0: MII transceiver #1 config 1000 status 7849 advertising 05e1
> [ 5.883533] net eth0: ADMtek Comet rev 17 at MMIO 0xe4000000, 00:10:a7:17:5e:ce, IRQ 11
> [ 5.915235] usbcore: registered new device driver usb
> [ 5.928548] via_rhine: v1.10-LK1.5.1 2010-10-09 Written by Donald Becker
> [ 5.928719] via_rhine: Broken BIOS detected, avoid_D3 enabled
> [ 5.935934] ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 10
> [ 5.936096] PCI: setting IRQ 10 as level-triggered
> [ 5.943770] via-rhine 0000:00:12.0 eth1: VIA Rhine II at 0xe4001000, 00:40:63:d7:94:5e, IRQ 10
> [ 5.944771] via-rhine 0000:00:12.0 eth1: MII PHY found at address 1, status 0x786d advertising 05e1 Link 45e1
> [ 6.098541] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
> [ 6.116497] ACPI Warning: SystemIO range 0x00006000-0x0000607f conflicts with OpRegion 0x0000603a-0x0000603a (\IP3_) (20140214/utaddress-258)
> [ 6.116874] ACPI Warning: SystemIO range 0x00006000-0x0000607f conflicts with OpRegion 0x00006039-0x00006039 (\IP2_) (20140214/utaddress-258)
> [ 6.117214] ACPI Warning: SystemIO range 0x00006000-0x0000607f conflicts with OpRegion 0x00006040-0x00006040 (\IP1_) (20140214/utaddress-258)
> [ 6.117553] ACPI Warning: SystemIO range 0x00006000-0x0000607f conflicts with OpRegion 0x00006020-0x00006020 (\IP0_) (20140214/utaddress-258)
> [ 6.117898] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
> [ 6.136303] uhci_hcd: USB Universal Host Controller Interface driver
> [ 6.139018] uhci_hcd 0000:00:11.2: UHCI Host Controller
> [ 6.141356] uhci_hcd 0000:00:11.2: new USB bus registered, assigned bus number 1
> [ 6.142423] uhci_hcd 0000:00:11.2: irq 5, io base 0x0000d400
> [ 6.236056] usb usb1: New USB device found, idVendor=1d6b, idProduct=0001
> [ 6.236241] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
> [ 6.236447] usb usb1: Product: UHCI Host Controller
> [ 6.236591] usb usb1: Manufacturer: Linux 3.15.0-rc2-dirty uhci_hcd
> [ 6.236740] usb usb1: SerialNumber: 0000:00:11.2
> [ 6.298449] hub 1-0:1.0: USB hub found
> [ 6.323304] hub 1-0:1.0: 2 ports detected
> [ 6.375194] uhci_hcd 0000:00:11.3: UHCI Host Controller
> [ 6.375469] uhci_hcd 0000:00:11.3: new USB bus registered, assigned bus number 2
> [ 6.375837] uhci_hcd 0000:00:11.3: irq 5, io base 0x0000d800
> [ 6.390859] usb usb2: New USB device found, idVendor=1d6b, idProduct=0001
> [ 6.391037] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
> [ 6.391244] usb usb2: Product: UHCI Host Controller
> [ 6.391386] usb usb2: Manufacturer: Linux 3.15.0-rc2-dirty uhci_hcd
> [ 6.391537] usb usb2: SerialNumber: 0000:00:11.3
> [ 6.426969] hub 2-0:1.0: USB hub found
> [ 6.435606] hub 2-0:1.0: 2 ports detected
> [ 6.467855] longhaul: VIA C3 'Samuel 2' [C5B] CPU detected. Longhaul v2 supported.
> [ 6.468592] longhaul: Using northbridge support.
> [ 6.819191] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 12
> [ 6.819366] PCI: setting IRQ 12 as level-triggered
> [ 7.453676] random: nonblocking pool is initialized
> [ 7.583602] systemd-udevd[531]: renamed network interface eth0 to rename2
> [ 7.598238] systemd-udevd[532]: renamed network interface eth1 to eth0
> [ 7.635126] systemd-udevd[531]: renamed network interface rename2 to eth1
> [ 10.528892] Adding 100348k swap on /dev/sda5. Priority:-1 extents:1 across:100348k
> [ 10.745573] EXT4-fs (sda1): re-mounted. Opts: (null)
> [ 11.354314] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro
> [ 18.003161] NET: Registered protocol family 10
> [ 240.140176] INFO: task kworker/0:1:116 blocked for more than 120 seconds.
> [ 240.140353] Not tainted 3.15.0-rc2-dirty #37
> [ 240.140485] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> [ 240.140687] kworker/0:1 D cf6afd50 0 116 2 0x00000000
> [ 240.140938] Workqueue: events od_dbs_timer
> [ 240.141103] cf6afd98 00000082 00000002 cf6afd50 c1040d91 cf6affec cf6ad310 cf6ad310
> [ 240.142479] c1286dcb 00000002 cf6afd70 c1040f14 00000000 ce460b30 00000282 00000046
> [ 240.143011] 00000282 ce460b30 cf6afd78 c1040f39 cf6afd88 00000282 cf6afdb0 ce460b30
> [ 240.143544] Call Trace:
> [ 240.143706] [<c1040d91>] ? mark_held_locks+0x4b/0x61
> [ 240.143883] [<c1286dcb>] ? _raw_spin_unlock_irqrestore+0x33/0x3f
> [ 240.144043] [<c1040f14>] ? trace_hardirqs_on_caller+0x16d/0x187
> [ 240.144203] [<c1040f39>] ? trace_hardirqs_on+0xb/0xd
> [ 240.144358] [<c1284145>] schedule+0x5d/0x5f
> [ 240.144527] [<c11eaa67>] cpufreq_freq_transition_begin+0x4a/0x9d
> [ 240.144687] [<c103e1b0>] ? __wake_up_sync+0x14/0x14
> [ 240.144860] [<d06722d5>] longhaul_setstate+0x88/0x2f1 [longhaul]
> [ 240.145023] [<c1036d43>] ? srcu_notifier_call_chain+0x1a/0x1c
> [ 240.145186] [<c11eaab2>] ? cpufreq_freq_transition_begin+0x95/0x9d
> [ 240.145350] [<d06725ba>] longhaul_target+0x7c/0x8b [longhaul]
> [ 240.145511] [<c11eae78>] __cpufreq_driver_target+0xfe/0x148
> [ 240.145683] [<c10540c6>] ? get_cpu_iowait_time_us+0x84/0xa3
> [ 240.145839] [<c11ebde2>] od_check_cpu+0x75/0x79
> [ 240.145990] [<c11ec75c>] dbs_check_cpu+0xbd/0xc5
> [ 240.146137] [<c11ec7ce>] ? need_load_eval+0x18/0x79
> [ 240.146288] [<c11ebfbf>] od_dbs_timer+0x7a/0xd9
> [ 240.146456] [<c102f808>] process_one_work+0x205/0x363
> [ 240.146612] [<c102f7d7>] ? process_one_work+0x1d4/0x363
> [ 240.146767] [<c10300b3>] ? worker_thread+0x27/0x26f
> [ 240.146923] [<c103022c>] worker_thread+0x1a0/0x26f
> [ 240.147077] [<c103008c>] ? rescuer_thread+0x204/0x204
> [ 240.147235] [<c10339e9>] kthread+0xa3/0xa8
> [ 240.147395] [<c1287b80>] ret_from_kernel_thread+0x20/0x30
> [ 240.147550] [<c1033946>] ? kthread_create_on_node+0x112/0x112
> [ 240.147699] 3 locks held by kworker/0:1/116:
> [ 240.147829] #0: ("events"){.+.+.+}, at: [<c102f7a0>] process_one_work+0x19d/0x363
> [ 240.148250] #1: ((&(&j_cdbs->work)->work)){+.+...}, at: [<c102f7d7>] process_one_work+0x1d4/0x363
> [ 240.148679] #2: (&j_cdbs->timer_mutex){+.+...}, at: [<c11ebf77>] od_dbs_timer+0x32/0xd9
> [ 240.149121] INFO: task cpufreq-set:1893 blocked for more than 120 seconds.
> [ 240.149268] Not tainted 3.15.0-rc2-dirty #37
> [ 240.149399] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> [ 240.149600] cpufreq-set D 00000005 0 1893 1885 0x00000000
> [ 240.149828] cf6e9cac 00000096 00000001 00000005 19d15905 cf6e9fec ce40a270 ce40a270
> [ 240.151393] ce40a69c 00000005 ce40a270 c1696428 ce40a6b4 ce40a270 00000005 cf6e9c94
> [ 240.151925] c1040d91 00000007 00000006 ce40a270 c1284aaa cf6e9cdc cf6e9cb4 c1040f14
> [ 240.152456] Call Trace:
> [ 240.152608] [<c1040d91>] ? mark_held_locks+0x4b/0x61
> [ 240.152773] [<c1284aaa>] ? mutex_lock_nested+0x199/0x288
> [ 240.152929] [<c1040f14>] ? trace_hardirqs_on_caller+0x16d/0x187
> [ 240.153089] [<c1284145>] schedule+0x5d/0x5f
> [ 240.153239] [<c12842c5>] schedule_preempt_disabled+0xe/0x16
> [ 240.153397] [<c1284a7a>] mutex_lock_nested+0x169/0x288
> [ 240.153552] [<c11ecc55>] ? cpufreq_governor_dbs+0x426/0x46f
> [ 240.153709] [<c11ecc55>] cpufreq_governor_dbs+0x426/0x46f
> [ 240.153865] [<c11ebf36>] od_cpufreq_governor_dbs+0xf/0x11
> [ 240.154027] [<c11e9eef>] __cpufreq_governor+0xc5/0x13b
> [ 240.154183] [<c11ea189>] cpufreq_set_policy+0x16f/0x17c
> [ 240.154340] [<c11ea891>] store_scaling_governor+0x70/0x91
> [ 240.154505] [<c11ead6d>] ? cpufreq_update_policy+0x10a/0x10a
> [ 240.154685] [<c11ea821>] ? cpufreq_parse_governor+0xf4/0xf4
> [ 240.154841] [<c11e9924>] store+0x4e/0x72
> [ 240.155001] [<c10d33ec>] sysfs_kf_write+0x31/0x3c
> [ 240.155152] [<c10d33bb>] ? sysfs_file_ops+0x49/0x49
> [ 240.155304] [<c10d2a2f>] kernfs_fop_write+0xb8/0xfe
> [ 240.155454] [<c10d2977>] ? kernfs_vma_page_mkwrite+0x5d/0x5d
> [ 240.155608] [<c108a3ae>] vfs_write+0xa4/0x144
> [ 240.155753] [<c108a916>] SyS_write+0x47/0x8c
> [ 240.155897] [<c128761d>] syscall_call+0x7/0xb
> [ 240.156033] 6 locks held by cpufreq-set/1893:
> [ 240.156159] #0: (sb_writers#7){.+.+.+}, at: [<c108a395>] vfs_write+0x8b/0x144
> [ 240.156607] #1: (&of->mutex){+.+.+.}, at: [<c10d29f0>] kernfs_fop_write+0x79/0xfe
> [ 240.157024] #2: (s_active#49){.+.+.+}, at: [<c10d29f7>] kernfs_fop_write+0x80/0xfe
> [ 240.157486] #3: (cpufreq_rwsem){.+.+.+}, at: [<c11e98fc>] store+0x26/0x72
> [ 240.157848] #4: (&policy->rwsem){+++++.}, at: [<c11e9913>] store+0x3d/0x72
> [ 240.158209] #5: (&j_cdbs->timer_mutex){+.+...}, at: [<c11ecc55>] cpufreq_governor_dbs+0x426/0x46f
> [ 240.158686] INFO: task cpufreq-info:2014 blocked for more than 120 seconds.
> [ 240.158834] Not tainted 3.15.0-rc2-dirty #37
> [ 240.158964] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> [ 240.159166] cpufreq-info D ce7b1e68 0 2014 2007 0x00000000
> [ 240.159396] ce7b1e5c 00000092 c16a27a8 ce7b1e68 c10422ae ce7b1fec ce792010 ce792010
> [ 240.159928] ce792010 00000004 ce7b1e30 c1040d91 00000007 00000006 ce792010 c1286df9
> [ 240.160534] ce460af4 ce7b1e50 c1040f14 00000000 ce460ad4 ce792010 00000046 ce460ad4
> [ 240.161066] Call Trace:
> [ 240.161207] [<c10422ae>] ? __lock_acquire+0x115c/0x16f6
> [ 240.161363] [<c1040d91>] ? mark_held_locks+0x4b/0x61
> [ 240.161523] [<c1286df9>] ? _raw_spin_unlock_irq+0x22/0x2c
> [ 240.161682] [<c1040f14>] ? trace_hardirqs_on_caller+0x16d/0x187
> [ 240.161843] [<c1284145>] schedule+0x5d/0x5f
> [ 240.161993] [<c128667d>] rwsem_down_read_failed+0x85/0x97
> [ 240.162167] [<c113cd77>] call_rwsem_down_read_failed+0x7/0x10
> [ 240.162325] [<c12862b6>] ? down_read+0x4f/0x55
> [ 240.162474] [<c11e980d>] ? show+0x2b/0x62
> [ 240.162618] [<c11e980d>] show+0x2b/0x62
> [ 240.162763] [<c11e97e2>] ? show_boost+0x25/0x25
> [ 240.162914] [<c10d3460>] sysfs_kf_seq_show+0x69/0xaa
> [ 240.163067] [<c11e97e2>] ? show_boost+0x25/0x25
> [ 240.163216] [<c10d25f3>] kernfs_seq_show+0x18/0x1c
> [ 240.163385] [<c10a3a52>] seq_read+0x18c/0x342
> [ 240.163539] [<c1040f14>] ? trace_hardirqs_on_caller+0x16d/0x187
> [ 240.163700] [<c10d2aa0>] kernfs_fop_read+0x2b/0x100
> [ 240.163854] [<c10d2a75>] ? kernfs_fop_write+0xfe/0xfe
> [ 240.164002] [<c108a288>] vfs_read+0x7b/0xfd
> [ 240.164151] [<c109eecf>] ? __fdget+0xd/0xf
> [ 240.164295] [<c108a88a>] SyS_read+0x47/0x8c
> [ 240.164441] [<c128761d>] syscall_call+0x7/0xb
> [ 240.164579] 5 locks held by cpufreq-info/2014:
> [ 240.164709] #0: (&p->lock){+.+.+.}, at: [<c10a38ed>] seq_read+0x27/0x342
> [ 240.165074] #1: (&of->mutex){+.+.+.}, at: [<c10d2c89>] kernfs_seq_start+0x17/0x64
> [ 240.165495] #2: (s_active#50){.+.+.+}, at: [<c10d2c90>] kernfs_seq_start+0x1e/0x64
> [ 240.165955] #3: (cpufreq_rwsem){.+.+.+}, at: [<c11e97f9>] show+0x17/0x62
> [ 240.166315] #4: (&policy->rwsem){+++++.}, at: [<c11e980d>] show+0x2b/0x62
> [ 360.160157] INFO: task kworker/0:1:116 blocked for more than 120 seconds.
> [ 360.160335] Not tainted 3.15.0-rc2-dirty #37
> [ 360.160468] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> [ 360.160671] kworker/0:1 D cf6afd50 0 116 2 0x00000000
> [ 360.160925] Workqueue: events od_dbs_timer
> [ 360.161091] cf6afd98 00000082 00000002 cf6afd50 c1040d91 cf6affec cf6ad310 cf6ad310
> [ 360.161625] c1286dcb 00000002 cf6afd70 c1040f14 00000000 ce460b30 00000282 00000046
> [ 360.162157] 00000282 ce460b30 cf6afd78 c1040f39 cf6afd88 00000282 cf6afdb0 ce460b30
> [ 360.162692] Call Trace:
> [ 360.162852] [<c1040d91>] ? mark_held_locks+0x4b/0x61
> [ 360.163030] [<c1286dcb>] ? _raw_spin_unlock_irqrestore+0x33/0x3f
> [ 360.163192] [<c1040f14>] ? trace_hardirqs_on_caller+0x16d/0x187
> [ 360.163353] [<c1040f39>] ? trace_hardirqs_on+0xb/0xd
> [ 360.163508] [<c1284145>] schedule+0x5d/0x5f
> [ 360.163675] [<c11eaa67>] cpufreq_freq_transition_begin+0x4a/0x9d
> [ 360.163836] [<c103e1b0>] ? __wake_up_sync+0x14/0x14
> [ 360.164009] [<d06722d5>] longhaul_setstate+0x88/0x2f1 [longhaul]
> [ 360.164171] [<c1036d43>] ? srcu_notifier_call_chain+0x1a/0x1c
> [ 360.164334] [<c11eaab2>] ? cpufreq_freq_transition_begin+0x95/0x9d
> [ 360.164498] [<d06725ba>] longhaul_target+0x7c/0x8b [longhaul]
> [ 360.164659] [<c11eae78>] __cpufreq_driver_target+0xfe/0x148
> [ 360.164831] [<c10540c6>] ? get_cpu_iowait_time_us+0x84/0xa3
> [ 360.164984] [<c11ebde2>] od_check_cpu+0x75/0x79
> [ 360.165134] [<c11ec75c>] dbs_check_cpu+0xbd/0xc5
> [ 360.165279] [<c11ec7ce>] ? need_load_eval+0x18/0x79
> [ 360.165426] [<c11ebfbf>] od_dbs_timer+0x7a/0xd9
> [ 360.165589] [<c102f808>] process_one_work+0x205/0x363
> [ 360.165742] [<c102f7d7>] ? process_one_work+0x1d4/0x363
> [ 360.165894] [<c10300b3>] ? worker_thread+0x27/0x26f
> [ 360.166048] [<c103022c>] worker_thread+0x1a0/0x26f
> [ 360.166200] [<c103008c>] ? rescuer_thread+0x204/0x204
> [ 360.166356] [<c10339e9>] kthread+0xa3/0xa8
> [ 360.166512] [<c1287b80>] ret_from_kernel_thread+0x20/0x30
> [ 360.166665] [<c1033946>] ? kthread_create_on_node+0x112/0x112
> [ 360.166814] 3 locks held by kworker/0:1/116:
> [ 360.166943] #0: ("events"){.+.+.+}, at: [<c102f7a0>] process_one_work+0x19d/0x363
> [ 360.167367] #1: ((&(&j_cdbs->work)->work)){+.+...}, at: [<c102f7d7>] process_one_work+0x1d4/0x363
> [ 360.167797] #2: (&j_cdbs->timer_mutex){+.+...}, at: [<c11ebf77>] od_dbs_timer+0x32/0xd9
> [ 360.168237] INFO: task cpufreq-set:1893 blocked for more than 120 seconds.
> [ 360.168384] Not tainted 3.15.0-rc2-dirty #37
> [ 360.168516] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> [ 360.168717] cpufreq-set D 00000005 0 1893 1885 0x00000000
> [ 360.168944] cf6e9cac 00000096 00000001 00000005 19d15905 cf6e9fec ce40a270 ce40a270
> [ 360.169476] ce40a69c 00000005 ce40a270 c1696428 ce40a6b4 ce40a270 00000005 cf6e9c94
> [ 360.170103] c1040d91 00000007 00000006 ce40a270 c1284aaa cf6e9cdc cf6e9cb4 c1040f14
> [ 360.171549] Call Trace:
> [ 360.171693] [<c1040d91>] ? mark_held_locks+0x4b/0x61
> [ 360.171850] [<c1284aaa>] ? mutex_lock_nested+0x199/0x288
> [ 360.172005] [<c1040f14>] ? trace_hardirqs_on_caller+0x16d/0x187
> [ 360.172163] [<c1284145>] schedule+0x5d/0x5f
> [ 360.172312] [<c12842c5>] schedule_preempt_disabled+0xe/0x16
> [ 360.172469] [<c1284a7a>] mutex_lock_nested+0x169/0x288
> [ 360.172621] [<c11ecc55>] ? cpufreq_governor_dbs+0x426/0x46f
> [ 360.172778] [<c11ecc55>] cpufreq_governor_dbs+0x426/0x46f
> [ 360.172935] [<c11ebf36>] od_cpufreq_governor_dbs+0xf/0x11
> [ 360.173094] [<c11e9eef>] __cpufreq_governor+0xc5/0x13b
> [ 360.173250] [<c11ea189>] cpufreq_set_policy+0x16f/0x17c
> [ 360.173406] [<c11ea891>] store_scaling_governor+0x70/0x91
> [ 360.173572] [<c11ead6d>] ? cpufreq_update_policy+0x10a/0x10a
> [ 360.173751] [<c11ea821>] ? cpufreq_parse_governor+0xf4/0xf4
> [ 360.173908] [<c11e9924>] store+0x4e/0x72
> [ 360.174068] [<c10d33ec>] sysfs_kf_write+0x31/0x3c
> [ 360.174218] [<c10d33bb>] ? sysfs_file_ops+0x49/0x49
> [ 360.174369] [<c10d2a2f>] kernfs_fop_write+0xb8/0xfe
> [ 360.174522] [<c10d2977>] ? kernfs_vma_page_mkwrite+0x5d/0x5d
> [ 360.174680] [<c108a3ae>] vfs_write+0xa4/0x144
> [ 360.174829] [<c108a916>] SyS_write+0x47/0x8c
> [ 360.174976] [<c128761d>] syscall_call+0x7/0xb
> [ 360.175114] 6 locks held by cpufreq-set/1893:
> [ 360.175243] #0: (sb_writers#7){.+.+.+}, at: [<c108a395>] vfs_write+0x8b/0x144
> [ 360.175699] #1: (&of->mutex){+.+.+.}, at: [<c10d29f0>] kernfs_fop_write+0x79/0xfe
> [ 360.176118] #2: (s_active#49){.+.+.+}, at: [<c10d29f7>] kernfs_fop_write+0x80/0xfe
> [ 360.176578] #3: (cpufreq_rwsem){.+.+.+}, at: [<c11e98fc>] store+0x26/0x72
> [ 360.176941] #4: (&policy->rwsem){+++++.}, at: [<c11e9913>] store+0x3d/0x72
> [ 360.177305] #5: (&j_cdbs->timer_mutex){+.+...}, at: [<c11ecc55>] cpufreq_governor_dbs+0x426/0x46f
> [ 360.177781] INFO: task cpufreq-info:2014 blocked for more than 120 seconds.
> [ 360.177928] Not tainted 3.15.0-rc2-dirty #37
> [ 360.178059] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> [ 360.178258] cpufreq-info D ce7b1e68 0 2014 2007 0x00000000
> [ 360.178488] ce7b1e5c 00000092 c16a27a8 ce7b1e68 c10422ae ce7b1fec ce792010 ce792010
> [ 360.179020] ce792010 00000004 ce7b1e30 c1040d91 00000007 00000006 ce792010 c1286df9
> [ 360.179548] ce460af4 ce7b1e50 c1040f14 00000000 ce460ad4 ce792010 00000046 ce460ad4
> [ 360.180141] Call Trace:
> [ 360.180280] [<c10422ae>] ? __lock_acquire+0x115c/0x16f6
> [ 360.180433] [<c1040d91>] ? mark_held_locks+0x4b/0x61
> [ 360.180590] [<c1286df9>] ? _raw_spin_unlock_irq+0x22/0x2c
> [ 360.180745] [<c1040f14>] ? trace_hardirqs_on_caller+0x16d/0x187
> [ 360.180902] [<c1284145>] schedule+0x5d/0x5f
> [ 360.181050] [<c128667d>] rwsem_down_read_failed+0x85/0x97
> [ 360.181222] [<c113cd77>] call_rwsem_down_read_failed+0x7/0x10
> [ 360.181378] [<c12862b6>] ? down_read+0x4f/0x55
> [ 360.181527] [<c11e980d>] ? show+0x2b/0x62
> [ 360.181672] [<c11e980d>] show+0x2b/0x62
> [ 360.181819] [<c11e97e2>] ? show_boost+0x25/0x25
> [ 360.181971] [<c10d3460>] sysfs_kf_seq_show+0x69/0xaa
> [ 360.182122] [<c11e97e2>] ? show_boost+0x25/0x25
> [ 360.182272] [<c10d25f3>] kernfs_seq_show+0x18/0x1c
> [ 360.182442] [<c10a3a52>] seq_read+0x18c/0x342
> [ 360.182594] [<c1040f14>] ? trace_hardirqs_on_caller+0x16d/0x187
> [ 360.182752] [<c10d2aa0>] kernfs_fop_read+0x2b/0x100
> [ 360.182906] [<c10d2a75>] ? kernfs_fop_write+0xfe/0xfe
> [ 360.183054] [<c108a288>] vfs_read+0x7b/0xfd
> [ 360.183198] [<c109eecf>] ? __fdget+0xd/0xf
> [ 360.183342] [<c108a88a>] SyS_read+0x47/0x8c
> [ 360.183487] [<c128761d>] syscall_call+0x7/0xb
> [ 360.183625] 5 locks held by cpufreq-info/2014:
> [ 360.183754] #0: (&p->lock){+.+.+.}, at: [<c10a38ed>] seq_read+0x27/0x342
> [ 360.184118] #1: (&of->mutex){+.+.+.}, at: [<c10d2c89>] kernfs_seq_start+0x17/0x64
> [ 360.184535] #2: (s_active#50){.+.+.+}, at: [<c10d2c90>] kernfs_seq_start+0x1e/0x64
> [ 360.184994] #3: (cpufreq_rwsem){.+.+.+}, at: [<c11e97f9>] show+0x17/0x62
> [ 360.185353] #4: (&policy->rwsem){+++++.}, at: [<c11e980d>] show+0x2b/0x62
> [ 480.180159] INFO: task kworker/0:1:116 blocked for more than 120 seconds.
> [ 480.180335] Not tainted 3.15.0-rc2-dirty #37
> [ 480.180470] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> [ 480.180672] kworker/0:1 D cf6afd50 0 116 2 0x00000000
> [ 480.180923] Workqueue: events od_dbs_timer
> [ 480.181089] cf6afd98 00000082 00000002 cf6afd50 c1040d91 cf6affec cf6ad310 cf6ad310
> [ 480.181621] c1286dcb 00000002 cf6afd70 c1040f14 00000000 ce460b30 00000282 00000046
> [ 480.182152] 00000282 ce460b30 cf6afd78 c1040f39 cf6afd88 00000282 cf6afdb0 ce460b30
> [ 480.182688] Call Trace:
> [ 480.182849] [<c1040d91>] ? mark_held_locks+0x4b/0x61
> [ 480.183030] [<c1286dcb>] ? _raw_spin_unlock_irqrestore+0x33/0x3f
> [ 480.183190] [<c1040f14>] ? trace_hardirqs_on_caller+0x16d/0x187
> [ 480.183350] [<c1040f39>] ? trace_hardirqs_on+0xb/0xd
> [ 480.183504] [<c1284145>] schedule+0x5d/0x5f
> [ 480.183669] [<c11eaa67>] cpufreq_freq_transition_begin+0x4a/0x9d
> [ 480.183828] [<c103e1b0>] ? __wake_up_sync+0x14/0x14
> [ 480.184003] [<d06722d5>] longhaul_setstate+0x88/0x2f1 [longhaul]
> [ 480.184166] [<c1036d43>] ? srcu_notifier_call_chain+0x1a/0x1c
> [ 480.184329] [<c11eaab2>] ? cpufreq_freq_transition_begin+0x95/0x9d
> [ 480.184495] [<d06725ba>] longhaul_target+0x7c/0x8b [longhaul]
> [ 480.184658] [<c11eae78>] __cpufreq_driver_target+0xfe/0x148
> [ 480.184831] [<c10540c6>] ? get_cpu_iowait_time_us+0x84/0xa3
> [ 480.184984] [<c11ebde2>] od_check_cpu+0x75/0x79
> [ 480.185136] [<c11ec75c>] dbs_check_cpu+0xbd/0xc5
> [ 480.185283] [<c11ec7ce>] ? need_load_eval+0x18/0x79
> [ 480.185431] [<c11ebfbf>] od_dbs_timer+0x7a/0xd9
> [ 480.185599] [<c102f808>] process_one_work+0x205/0x363
> [ 480.185755] [<c102f7d7>] ? process_one_work+0x1d4/0x363
> [ 480.185911] [<c10300b3>] ? worker_thread+0x27/0x26f
> [ 480.186068] [<c103022c>] worker_thread+0x1a0/0x26f
> [ 480.186223] [<c103008c>] ? rescuer_thread+0x204/0x204
> [ 480.186384] [<c10339e9>] kthread+0xa3/0xa8
> [ 480.186543] [<c1287b80>] ret_from_kernel_thread+0x20/0x30
> [ 480.186697] [<c1033946>] ? kthread_create_on_node+0x112/0x112
> [ 480.186844] 3 locks held by kworker/0:1/116:
> [ 480.186972] #0: ("events"){.+.+.+}, at: [<c102f7a0>] process_one_work+0x19d/0x363
> [ 480.187394] #1: ((&(&j_cdbs->work)->work)){+.+...}, at: [<c102f7d7>] process_one_work+0x1d4/0x363
> [ 480.187825] #2: (&j_cdbs->timer_mutex){+.+...}, at: [<c11ebf77>] od_dbs_timer+0x32/0xd9
> [ 480.188264] INFO: task cpufreq-set:1893 blocked for more than 120 seconds.
> [ 480.188410] Not tainted 3.15.0-rc2-dirty #37
> [ 480.188540] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> [ 480.188738] cpufreq-set D 00000005 0 1893 1885 0x00000000
> [ 480.188967] cf6e9cac 00000096 00000001 00000005 19d15905 cf6e9fec ce40a270 ce40a270
> [ 480.189494] ce40a69c 00000005 ce40a270 c1696428 ce40a6b4 ce40a270 00000005 cf6e9c94
> [ 480.190113] c1040d91 00000007 00000006 ce40a270 c1284aaa cf6e9cdc cf6e9cb4 c1040f14
> [ 480.190641] Call Trace:
> [ 480.190781] [<c1040d91>] ? mark_held_locks+0x4b/0x61
> [ 480.190939] [<c1284aaa>] ? mutex_lock_nested+0x199/0x288
> [ 480.191096] [<c1040f14>] ? trace_hardirqs_on_caller+0x16d/0x187
> [ 480.191255] [<c1284145>] schedule+0x5d/0x5f
> [ 480.191403] [<c12842c5>] schedule_preempt_disabled+0xe/0x16
> [ 480.191560] [<c1284a7a>] mutex_lock_nested+0x169/0x288
> [ 480.191714] [<c11ecc55>] ? cpufreq_governor_dbs+0x426/0x46f
> [ 480.191871] [<c11ecc55>] cpufreq_governor_dbs+0x426/0x46f
> [ 480.192026] [<c11ebf36>] od_cpufreq_governor_dbs+0xf/0x11
> [ 480.192183] [<c11e9eef>] __cpufreq_governor+0xc5/0x13b
> [ 480.192341] [<c11ea189>] cpufreq_set_policy+0x16f/0x17c
> [ 480.192499] [<c11ea891>] store_scaling_governor+0x70/0x91
> [ 480.192667] [<c11ead6d>] ? cpufreq_update_policy+0x10a/0x10a
> [ 480.192848] [<c11ea821>] ? cpufreq_parse_governor+0xf4/0xf4
> [ 480.193007] [<c11e9924>] store+0x4e/0x72
> [ 480.193166] [<c10d33ec>] sysfs_kf_write+0x31/0x3c
> [ 480.193316] [<c10d33bb>] ? sysfs_file_ops+0x49/0x49
> [ 480.193467] [<c10d2a2f>] kernfs_fop_write+0xb8/0xfe
> [ 480.193619] [<c10d2977>] ? kernfs_vma_page_mkwrite+0x5d/0x5d
> [ 480.193777] [<c108a3ae>] vfs_write+0xa4/0x144
> [ 480.193926] [<c108a916>] SyS_write+0x47/0x8c
> [ 480.194073] [<c128761d>] syscall_call+0x7/0xb
> [ 480.194211] 6 locks held by cpufreq-set/1893:
> [ 480.194339] #0: (sb_writers#7){.+.+.+}, at: [<c108a395>] vfs_write+0x8b/0x144
> [ 480.194794] #1: (&of->mutex){+.+.+.}, at: [<c10d29f0>] kernfs_fop_write+0x79/0xfe
> [ 480.195211] #2: (s_active#49){.+.+.+}, at: [<c10d29f7>] kernfs_fop_write+0x80/0xfe
> [ 480.195669] #3: (cpufreq_rwsem){.+.+.+}, at: [<c11e98fc>] store+0x26/0x72
> [ 480.196030] #4: (&policy->rwsem){+++++.}, at: [<c11e9913>] store+0x3d/0x72
> [ 480.196391] #5: (&j_cdbs->timer_mutex){+.+...}, at: [<c11ecc55>] cpufreq_governor_dbs+0x426/0x46f
> [ 480.196868] INFO: task cpufreq-info:2014 blocked for more than 120 seconds.
> [ 480.197017] Not tainted 3.15.0-rc2-dirty #37
> [ 480.197150] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> [ 480.197349] cpufreq-info D ce7b1e68 0 2014 2007 0x00000000
> [ 480.197577] ce7b1e5c 00000092 c16a27a8 ce7b1e68 c10422ae ce7b1fec ce792010 ce792010
> [ 480.198111] ce792010 00000004 ce7b1e30 c1040d91 00000007 00000006 ce792010 c1286df9
> [ 480.198643] ce460af4 ce7b1e50 c1040f14 00000000 ce460ad4 ce792010 00000046 ce460ad4
> [ 480.199175] Call Trace:
> [ 480.199316] [<c10422ae>] ? __lock_acquire+0x115c/0x16f6
> [ 480.199473] [<c1040d91>] ? mark_held_locks+0x4b/0x61
> [ 480.200613] [<c1286df9>] ? _raw_spin_unlock_irq+0x22/0x2c
> [ 480.200774] [<c1040f14>] ? trace_hardirqs_on_caller+0x16d/0x187
> [ 480.200934] [<c1284145>] schedule+0x5d/0x5f
> [ 480.201083] [<c128667d>] rwsem_down_read_failed+0x85/0x97
> [ 480.201256] [<c113cd77>] call_rwsem_down_read_failed+0x7/0x10
> [ 480.201413] [<c12862b6>] ? down_read+0x4f/0x55
> [ 480.201562] [<c11e980d>] ? show+0x2b/0x62
> [ 480.201708] [<c11e980d>] show+0x2b/0x62
> [ 480.201853] [<c11e97e2>] ? show_boost+0x25/0x25
> [ 480.202005] [<c10d3460>] sysfs_kf_seq_show+0x69/0xaa
> [ 480.202158] [<c11e97e2>] ? show_boost+0x25/0x25
> [ 480.202308] [<c10d25f3>] kernfs_seq_show+0x18/0x1c
> [ 480.202476] [<c10a3a52>] seq_read+0x18c/0x342
> [ 480.202630] [<c1040f14>] ? trace_hardirqs_on_caller+0x16d/0x187
> [ 480.202789] [<c10d2aa0>] kernfs_fop_read+0x2b/0x100
> [ 480.202942] [<c10d2a75>] ? kernfs_fop_write+0xfe/0xfe
> [ 480.203090] [<c108a288>] vfs_read+0x7b/0xfd
> [ 480.203235] [<c109eecf>] ? __fdget+0xd/0xf
> [ 480.203379] [<c108a88a>] SyS_read+0x47/0x8c
> [ 480.203525] [<c128761d>] syscall_call+0x7/0xb
> [ 480.203661] 5 locks held by cpufreq-info/2014:
> [ 480.203787] #0: (&p->lock){+.+.+.}, at: [<c10a38ed>] seq_read+0x27/0x342
> [ 480.204148] #1: (&of->mutex){+.+.+.}, at: [<c10d2c89>] kernfs_seq_start+0x17/0x64
> [ 480.204560] #2: (s_active#50){.+.+.+}, at: [<c10d2c90>] kernfs_seq_start+0x1e/0x64
> [ 480.205014] #3: (cpufreq_rwsem){.+.+.+}, at: [<c11e97f9>] show+0x17/0x62
> [ 480.205376] #4: (&policy->rwsem){+++++.}, at: [<c11e980d>] show+0x2b/0x62
> [ 600.200161] INFO: task kworker/0:1:116 blocked for more than 120 seconds.
> [ 600.200330] Not tainted 3.15.0-rc2-dirty #37
> [ 600.200460] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> [ 600.200656] kworker/0:1 D cf6afd50 0 116 2 0x00000000
> [ 600.200907] Workqueue: events od_dbs_timer
> [ 600.201073] cf6afd98 00000082 00000002 cf6afd50 c1040d91 cf6affec cf6ad310 cf6ad310
> [ 600.201609] c1286dcb 00000002 cf6afd70 c1040f14 00000000 ce460b30 00000282 00000046
> [ 600.202141] 00000282 ce460b30 cf6afd78 c1040f39 cf6afd88 00000282 cf6afdb0 ce460b30
> [ 600.202678] Call Trace:
> [ 600.202841] [<c1040d91>] ? mark_held_locks+0x4b/0x61
> [ 600.203020] [<c1286dcb>] ? _raw_spin_unlock_irqrestore+0x33/0x3f
> [ 600.203180] [<c1040f14>] ? trace_hardirqs_on_caller+0x16d/0x187
> [ 600.203340] [<c1040f39>] ? trace_hardirqs_on+0xb/0xd
> [ 600.203496] [<c1284145>] schedule+0x5d/0x5f
> [ 600.203663] [<c11eaa67>] cpufreq_freq_transition_begin+0x4a/0x9d
> [ 600.203825] [<c103e1b0>] ? __wake_up_sync+0x14/0x14
> [ 600.203998] [<d06722d5>] longhaul_setstate+0x88/0x2f1 [longhaul]
> [ 600.204163] [<c1036d43>] ? srcu_notifier_call_chain+0x1a/0x1c
> [ 600.204327] [<c11eaab2>] ? cpufreq_freq_transition_begin+0x95/0x9d
> [ 600.204490] [<d06725ba>] longhaul_target+0x7c/0x8b [longhaul]
> [ 600.204653] [<c11eae78>] __cpufreq_driver_target+0xfe/0x148
> [ 600.204824] [<c10540c6>] ? get_cpu_iowait_time_us+0x84/0xa3
> [ 600.204979] [<c11ebde2>] od_check_cpu+0x75/0x79
> [ 600.205129] [<c11ec75c>] dbs_check_cpu+0xbd/0xc5
> [ 600.205276] [<c11ec7ce>] ? need_load_eval+0x18/0x79
> [ 600.205425] [<c11ebfbf>] od_dbs_timer+0x7a/0xd9
> [ 600.205592] [<c102f808>] process_one_work+0x205/0x363
> [ 600.205748] [<c102f7d7>] ? process_one_work+0x1d4/0x363
> [ 600.205905] [<c10300b3>] ? worker_thread+0x27/0x26f
> [ 600.206061] [<c103022c>] worker_thread+0x1a0/0x26f
> [ 600.206216] [<c103008c>] ? rescuer_thread+0x204/0x204
> [ 600.206374] [<c10339e9>] kthread+0xa3/0xa8
> [ 600.206533] [<c1287b80>] ret_from_kernel_thread+0x20/0x30
> [ 600.206688] [<c1033946>] ? kthread_create_on_node+0x112/0x112
> [ 600.206835] 3 locks held by kworker/0:1/116:
> [ 600.206965] #0: ("events"){.+.+.+}, at: [<c102f7a0>] process_one_work+0x19d/0x363
> [ 600.207389] #1: ((&(&j_cdbs->work)->work)){+.+...}, at: [<c102f7d7>] process_one_work+0x1d4/0x363
> [ 600.207819] #2: (&j_cdbs->timer_mutex){+.+...}, at: [<c11ebf77>] od_dbs_timer+0x32/0xd9
>
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