> 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:
[ 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
--
Meelis Roos (mroos@xxxxxxxx)
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