here the full dmesg output, it contains a deadlock warning from lockdep
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 4.2.0-rc2-00284-gc11a8fb-dirty
(afenkart@sandwurm) (gcc version 4.9.2 (Buildroot
2014.11-00099-g8d0fd78-dirty) ) #1175 PREEMPT Thu Jul 16 17:06:34 5
[ 0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c5387d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing
instruction cache
[ 0.000000] Machine model: StreamUnlimited Board (AM33xx)
[ 0.000000] Memory policy: Data cache writeback
[ 0.000000] On node 0 totalpages: 65280
[ 0.000000] free_area_init_node: node 0, pgdat c088dad8,
node_mem_map cfcf9000
[ 0.000000] Normal zone: 512 pages used for memmap
[ 0.000000] Normal zone: 0 pages reserved
[ 0.000000] Normal zone: 65280 pages, LIFO batch:15
[ 0.000000] CPU: All CPU(s) started in SVC mode.
[ 0.000000] AM335X ES1.0 (neon )
[ 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: 64768
[ 0.000000] Kernel command line: console=ttyO0,115200n8
root=/dev/nfs nfsroot=192.168.13.1:/home/afenkart/OE/rootfs/yocto-mine,nolock
rw ip=192.168.13.141
[ 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] Memory: 241448K/261120K available (6027K kernel code,
371K rwdata, 2088K rodata, 240K init, 8278K bss, 19672K reserved, 0K
cma-reserved, 0K highmem)
[ 0.000000] Virtual kernel memory layout:
[ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
[ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
[ 0.000000] vmalloc : 0xd0800000 - 0xff000000 ( 744 MB)
[ 0.000000] lowmem : 0xc0000000 - 0xd0000000 ( 256 MB)
[ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
[ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
[ 0.000000] .text : 0xc0008000 - 0xc07f51c8 (8117 kB)
[ 0.000000] .init : 0xc07f6000 - 0xc0832000 ( 240 kB)
[ 0.000000] .data : 0xc0832000 - 0xc088ed40 ( 372 kB)
[ 0.000000] .bss : 0xc088ed40 - 0xc10a47a8 (8279 kB)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] Running RCU self tests
[ 0.000000] Preemptible hierarchical RCU implementation.
[ 0.000000] RCU lockdep checking is enabled.
[ 0.000000] Build-time adjustment of leaf fanout to 32.
[ 0.000000] NR_IRQS:16 nr_irqs:16 16
[ 0.000000] IRQ: Found an INTC at 0xfa200000 (revision 5.0) with
128 interrupts
[ 0.000000] OMAP clockevent source: timer2 at 25000000 Hz
[ 0.000018] sched_clock: 32 bits at 25MHz, resolution 40ns, wraps
every 85899345900ns
[ 0.000046] clocksource: timer1: mask: 0xffffffff max_cycles:
0xffffffff, max_idle_ns: 76450417870 ns
[ 0.000098] OMAP clocksource: timer1 at 25000000 Hz
[ 0.000659] Console: colour dummy device 80x30
[ 0.000729] Lock dependency validator: Copyright (c) 2006 Red Hat,
Inc., Ingo Molnar
[ 0.000740] ... MAX_LOCKDEP_SUBCLASSES: 8
[ 0.000749] ... MAX_LOCK_DEPTH: 48
[ 0.000758] ... MAX_LOCKDEP_KEYS: 8191
[ 0.000767] ... CLASSHASH_SIZE: 4096
[ 0.000776] ... MAX_LOCKDEP_ENTRIES: 32768
[ 0.000785] ... MAX_LOCKDEP_CHAINS: 65536
[ 0.000794] ... CHAINHASH_SIZE: 32768
[ 0.000803] memory used by lock dependency info: 5167 kB
[ 0.000812] per task-struct memory footprint: 1536 bytes
[ 0.000861] Calibrating delay loop... 718.02 BogoMIPS (lpj=3590144)
[ 0.098513] pid_max: default: 4096 minimum: 301
[ 0.098768] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.098785] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.102097] CPU: Testing write buffer coherency: ok
[ 0.103688] Setting up static identity map for 0x80008200 - 0x80008258
[ 0.110245] devtmpfs: initialized
[ 0.148748] VFP support v0.3: implementor 41 architecture 3 part 30
variant c rev 3
[ 0.199835] omap_hwmod: tptc0 using broken dt data from edma
[ 0.200398] omap_hwmod: tptc1 using broken dt data from edma
[ 0.200930] omap_hwmod: tptc2 using broken dt data from edma
[ 0.210914] omap_hwmod: debugss: _wait_target_disable failed
[ 0.267841] clocksource: jiffies: mask: 0xffffffff max_cycles:
0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.269374] pinctrl core: initialized pinctrl subsystem
[ 0.275990] NET: Registered protocol family 16
[ 0.277140] DMA: preallocated 256 KiB pool for atomic coherent allocations
[ 0.308667] cpuidle: using governor ladder
[ 0.338536] cpuidle: using governor menu
[ 0.348684] gpiochip_add: registered GPIOs 0 to 31 on device: gpio
[ 0.349714] OMAP GPIO hardware version 0.1
[ 0.351787] gpiochip_add: registered GPIOs 32 to 63 on device: gpio
[ 0.354007] gpiochip_add: registered GPIOs 64 to 95 on device: gpio
[ 0.356109] gpiochip_add: registered GPIOs 96 to 127 on device: gpio
[ 0.370737] omap-gpmc 50000000.gpmc: GPMC revision 6.0
[ 0.371000] gpmc_mem_init: disabling cs 0 mapped at 0x0-0x1000000
[ 0.376846] No ATAGs?
[ 0.376889] hw-breakpoint: debug architecture 0x4 unsupported.
[ 0.450975] edma-dma-engine edma-dma-engine.0: TI EDMA DMA engine driver
[ 0.451595] of_get_named_gpiod_flags: can't parse 'gpio' property
of node '/reg_vmmc_gpio[0]'
[ 0.452695] of_get_named_gpiod_flags: parsed 'gpio' property of
node '/reg_vcc_3v3[0]' - status (0)
[ 0.455107] SCSI subsystem initialized
[ 0.455950] usbcore: registered new interface driver usbfs
[ 0.456147] usbcore: registered new interface driver hub
[ 0.456432] usbcore: registered new device driver usb
[ 0.457584] omap_i2c 44e0b000.i2c: could not find pctldev for node
/ocp/l4_wkup@44c00000/scm@210000/pinmux@800/pinmux_i2c1_pins,
deferring probe
[ 0.457715] omap_i2c 4819c000.i2c: could not find pctldev for node
/ocp/l4_wkup@44c00000/scm@210000/pinmux@800/pinmux_i2c2_pins,
deferring probe
[ 0.458039] pps_core: LinuxPPS API ver. 1 registered
[ 0.458055] pps_core: Software ver. 5.3.6 - Copyright 2005-2007
Rodolfo Giometti <giometti@xxxxxxxx>
[ 0.458133] PTP clock support registered
[ 0.460062] omap-mailbox 480c8000.mailbox: omap mailbox rev 0x400
[ 0.460831] Advanced Linux Sound Architecture Driver Initialized.
[ 0.465205] cfg80211: Calling CRDA to update world regulatory domain
[ 0.466302] clocksource: Switched to clocksource timer1
[ 0.499455] NET: Registered protocol family 2
[ 0.502095] TCP established hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.502175] TCP bind hash table entries: 2048 (order: 4, 73728 bytes)
[ 0.503004] TCP: Hash tables configured (established 2048 bind 2048)
[ 0.503235] UDP hash table entries: 128 (order: 1, 10240 bytes)
[ 0.503363] UDP-Lite hash table entries: 128 (order: 1, 10240 bytes)
[ 0.504444] NET: Registered protocol family 1
[ 0.506042] RPC: Registered named UNIX socket transport module.
[ 0.506067] RPC: Registered udp transport module.
[ 0.506080] RPC: Registered tcp transport module.
[ 0.506093] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.507292] hw perfevents: Failed to parse /pmu/interrupt-affinity[0]
[ 0.507384] hw perfevents: enabled with armv7_cortex_a8 PMU driver,
5 counters available
[ 0.512961] futex hash table entries: 16 (order: -3, 704 bytes)
[ 0.543736] VFS: Disk quotas dquot_6.6.0
[ 0.544446] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 0.558435] fuse init (API version 7.23)
[ 0.567892] Block layer SCSI generic (bsg) driver version 0.4
loaded (major 250)
[ 0.568115] io scheduler noop registered
[ 0.568146] io scheduler deadline registered
[ 0.568245] io scheduler cfq registered (default)
[ 0.569376] pinctrl-single 44e10800.pinmux: mux offset out of
range: 0x9b0 (0x238)
[ 0.569404] pinctrl-single 44e10800.pinmux: could not add functions
for eth_wake_s0 2480x
[ 0.569886] pinctrl-single 44e10800.pinmux: 142 pins at pa f9e10800 size 568
[ 0.572117] wkup_m3_ipc 44e11324.wkup_m3_ipc: could not get rproc handle
[ 0.573796] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[ 0.580453] omap_uart 44e09000.serial: no wakeirq for uart0
[ 0.580492] of_get_named_gpiod_flags: can't parse 'rts-gpio'
property of node '/ocp/serial@44e09000[0]'
[ 0.581350] 44e09000.serial: ttyO0 at MMIO 0x44e09000 (irq = 155,
base_baud = 3000000) is a OMAP UART0
[ 1.294598] console [ttyO0] enabled
[ 1.301912] omap_rng 48310000.rng: OMAP Random Number Generator ver. 20
[ 1.339712] brd: module loaded
[ 1.360525] loop: module loaded
[ 1.365890] mtdoops: mtd device (mtddev=name/number) must be supplied
[ 1.373620] nand: device found, Manufacturer ID: 0x98, Chip ID: 0xda
[ 1.380355] nand: Toshiba NAND 256MiB 3,3V 8-bit
[ 1.385203] nand: 256 MiB, SLC, erase size: 128 KiB, page size:
2048, OOB size: 64
[ 1.393229] nand: using OMAP_ECC_BCH8_CODE_HW ECC scheme
[ 1.398839] platform 48080000.elm: Unable to configure elm - device
not probed?
[ 1.413844] usbcore: registered new interface driver usb-storage
[ 1.422962] am335x-phy-driver 47401300.usb-phy: GPIO lookup for
consumer reset
[ 1.422992] am335x-phy-driver 47401300.usb-phy: using device tree
for GPIO lookup
[ 1.423017] of_get_named_gpiod_flags: can't parse 'reset-gpios'
property of node '/ocp/usb@47400000/usb-phy@47401300[0]'
[ 1.423035] of_get_named_gpiod_flags: can't parse 'reset-gpio'
property of node '/ocp/usb@47400000/usb-phy@47401300[0]'
[ 1.423050] am335x-phy-driver 47401300.usb-phy: using lookup tables
for GPIO lookup
[ 1.423357] am335x-phy-driver 47401300.usb-phy: lookup for GPIO reset failed
[ 1.423378] am335x-phy-driver 47401300.usb-phy: GPIO lookup for
consumer vbus-detect
[ 1.423393] am335x-phy-driver 47401300.usb-phy: using device tree
for GPIO lookup
[ 1.423414] of_get_named_gpiod_flags: can't parse
'vbus-detect-gpios' property of node
'/ocp/usb@47400000/usb-phy@47401300[0]'
[ 1.423431] of_get_named_gpiod_flags: can't parse
'vbus-detect-gpio' property of node
'/ocp/usb@47400000/usb-phy@47401300[0]'
[ 1.423446] am335x-phy-driver 47401300.usb-phy: using lookup tables
for GPIO lookup
[ 1.423464] am335x-phy-driver 47401300.usb-phy: lookup for GPIO
vbus-detect failed
[ 1.423567] 47401300.usb-phy supply vcc not found, using dummy regulator
[ 1.460309] musb-hdrc musb-hdrc.0.auto: Need DT for the DMA engine.
[ 1.467010] musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk
combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
[ 1.467029] musb-hdrc: MHDRC RTL version 2.0
[ 1.467042] musb-hdrc: setup fifo_mode 4
[ 1.467068] musb-hdrc: 28/31 max ep, 16384/16384 memory
[ 1.467632] musb-hdrc musb-hdrc.0.auto: MUSB HDRC host driver
[ 1.474592] musb-hdrc musb-hdrc.0.auto: new USB bus registered,
assigned bus number 1
[ 1.484551] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 1.491734] usb usb1: New USB device strings: Mfr=3, Product=2,
SerialNumber=1
[ 1.499338] usb usb1: Product: MUSB HDRC host driver
[ 1.504549] usb usb1: Manufacturer: Linux
4.2.0-rc2-00284-gc11a8fb-dirty musb-hcd
[ 1.512422] usb usb1: SerialNumber: musb-hdrc.0.auto
[ 1.522304] hub 1-0:1.0: USB hub found
[ 1.526830] hub 1-0:1.0: 1 port detected
[ 1.578267] omap_rtc 44e3e000.rtc: already running
[ 1.585105] omap_rtc 44e3e000.rtc: rtc core: registered 44e3e000.rtc as rtc0
[ 1.593026] i2c /dev entries driver
[ 1.600635] omap_wdt: OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec
[ 1.609721] omap_hsmmc 48060000.mmc: GPIO lookup for consumer cd
[ 1.609751] omap_hsmmc 48060000.mmc: using device tree for GPIO lookup
[ 1.609776] of_get_named_gpiod_flags: can't parse 'cd-gpios'
property of node '/ocp/mmc@48060000[0]'
[ 1.609794] of_get_named_gpiod_flags: can't parse 'cd-gpio'
property of node '/ocp/mmc@48060000[0]'
[ 1.609809] omap_hsmmc 48060000.mmc: using lookup tables for GPIO lookup
[ 1.609832] omap_hsmmc 48060000.mmc: lookup for GPIO cd failed
[ 1.609855] omap_hsmmc 48060000.mmc: GPIO lookup for consumer wp
[ 1.609869] omap_hsmmc 48060000.mmc: using device tree for GPIO lookup
[ 1.609886] of_get_named_gpiod_flags: can't parse 'wp-gpios'
property of node '/ocp/mmc@48060000[0]'
[ 1.609902] of_get_named_gpiod_flags: can't parse 'wp-gpio'
property of node '/ocp/mmc@48060000[0]'
[ 1.609915] omap_hsmmc 48060000.mmc: using lookup tables for GPIO lookup
[ 1.609933] omap_hsmmc 48060000.mmc: lookup for GPIO wp failed
[ 1.610288] platform pwrseq: GPIO lookup for consumer reset
[ 1.610306] platform pwrseq: using device tree for GPIO lookup
[ 1.610342] of_get_named_gpiod_flags: parsed 'reset-gpios' property
of node '/pwrseq[0]' - status (0)
[ 1.610383] omap_hsmmc 48060000.mmc: allocated mmc-pwrseq
[ 1.617027] omap_hsmmc 48060000.mmc: unable to get vmmc regulator -517
[ 1.648874] of_get_named_gpiod_flags: parsed 'gpios' property of
node '/ocp/leds/Debug_LED0[0]' - status (0)
[ 1.649873] of_get_named_gpiod_flags: parsed 'gpios' property of
node '/ocp/leds/i2c2_sda_as_led[0]' - status (0)
[ 1.650377] of_get_named_gpiod_flags: parsed 'gpios' property of
node '/ocp/leds/i2c2_scl_as_led[0]' - status (0)
[ 1.652116] remoteproc0: wkup_m3 is available
[ 1.657149] remoteproc0: Note: remoteproc is still under
development and considered experimental.
[ 1.666647] remoteproc0: THE BINARY FORMAT IS NOT YET FINALIZED,
and backward compatibility isn't yet guaranteed.
[ 1.686648] usbcore: registered new interface driver snd-usb-audio
[ 1.699828] Initializing XFRM netlink socket
[ 1.707462] NET: Registered protocol family 10
[ 1.716910] sit: IPv6 over IPv4 tunneling driver
[ 1.724229] NET: Registered protocol family 17
[ 1.729231] NET: Registered protocol family 15
[ 1.734582] Key type dns_resolver registered
[ 1.739342] omap_voltage_late_init: Voltage driver support not added
[ 1.747483] ThumbEE CPU extension supported.
[ 1.752018] Registering SWP/SWPB emulation handler
[ 1.757140] am33xx_pm_init !!!!!!!
[ 1.760720] am33xx_pm_init 1
[ 1.763739] am33xx_pm_init 2
[ 1.766790] PM: am33xx_push_sram_idle: EMIF function copy failed
[ 1.830732] tps65217 0-0024: TPS65217 ID 0xf version 1.1
[ 1.838295] at24 0-0050: 1024 byte 24c08 EEPROM, writable, 16 bytes/write
[ 1.845933] omap_i2c 44e0b000.i2c: bus 0 rev0.11 at 100 kHz
[ 1.855157] omap_i2c 4819c000.i2c: bus 2 rev0.11 at 400 kHz
[ 1.862975] nand: device found, Manufacturer ID: 0x98, Chip ID: 0xda
[ 1.870123] remoteproc0: powering up wkup_m3
[ 1.874734] remoteproc0: Booting fw image am335x-pm-firmware.elf,
size 153943
[ 1.882387] nand: Toshiba NAND 256MiB 3,3V 8-bit
[ 1.887269] nand: 256 MiB, SLC, erase size: 128 KiB, page size:
2048, OOB size: 64
[ 1.895290] nand: using OMAP_ECC_BCH8_CODE_HW ECC scheme
[ 1.901368] remoteproc0: remote processor wkup_m3 is now up
[ 1.901394] wkup_m3_ipc 44e11324.wkup_m3_ipc: CM3 Firmware Version = 0x191
[ 1.915177] 9 ofpart partitions found on MTD device omap2-nand.0
[ 1.921708] Creating 9 MTD partitions on "omap2-nand.0":
[ 1.927411] 0x000000000000-0x000000020000 : "SPL"
[ 1.939695] 0x000000020000-0x000000040000 : "SPL.backup1"
[ 1.949264] 0x000000040000-0x000000060000 : "SPL.backup2"
[ 1.958623] 0x000000060000-0x000000080000 : "SPL.backup3"
[ 1.968101] 0x000000080000-0x000000180000 : "U-Boot"
[ 1.977591] 0x000000180000-0x0000001a0000 : "U-Boot Env"
[ 1.986666] 0x0000001a0000-0x0000007a0000 : "Kernel"
[ 2.000336] 0x0000007a0000-0x0000007e0000 : "DTB"
[ 2.009365] 0x0000007e0000-0x000010000000 : "File System"
[ 2.230961] omap_hsmmc 48060000.mmc: GPIO lookup for consumer cd
[ 2.230989] omap_hsmmc 48060000.mmc: using device tree for GPIO lookup
[ 2.231016] of_get_named_gpiod_flags: can't parse 'cd-gpios'
property of node '/ocp/mmc@48060000[0]'
[ 2.231035] of_get_named_gpiod_flags: can't parse 'cd-gpio'
property of node '/ocp/mmc@48060000[0]'
[ 2.231050] omap_hsmmc 48060000.mmc: using lookup tables for GPIO lookup
[ 2.231082] omap_hsmmc 48060000.mmc: lookup for GPIO cd failed
[ 2.231107] omap_hsmmc 48060000.mmc: GPIO lookup for consumer wp
[ 2.231121] omap_hsmmc 48060000.mmc: using device tree for GPIO lookup
[ 2.231138] of_get_named_gpiod_flags: can't parse 'wp-gpios'
property of node '/ocp/mmc@48060000[0]'
[ 2.231154] of_get_named_gpiod_flags: can't parse 'wp-gpio'
property of node '/ocp/mmc@48060000[0]'
[ 2.231168] omap_hsmmc 48060000.mmc: using lookup tables for GPIO lookup
[ 2.231187] omap_hsmmc 48060000.mmc: lookup for GPIO wp failed
[ 2.231511] platform pwrseq: GPIO lookup for consumer reset
[ 2.231531] platform pwrseq: using device tree for GPIO lookup
[ 2.231577] of_get_named_gpiod_flags: parsed 'reset-gpios' property
of node '/pwrseq[0]' - status (0)
[ 2.231628] omap_hsmmc 48060000.mmc: allocated mmc-pwrseq
[ 2.330241] mmc0: new high speed SDIO card at address 0001
[ 2.346428] davinci_mdio 4a101000.mdio: davinci mdio revision 1.6
[ 2.352841] libphy: 4a101000.mdio: probed
[ 2.359999] Atheros 8030 ethernet 4a101000.mdio:04: GPIO lookup for
consumer reset
[ 2.360030] Atheros 8030 ethernet 4a101000.mdio:04: using device
tree for GPIO lookup
[ 2.360170] of_get_named_gpiod_flags: parsed 'reset-gpios' property
of node '/ocp/ethernet@4a100000/mdio@4a101000/phy@4[0]' - status (0)
[ 2.361049] davinci_mdio 4a101000.mdio: phy[4]: device
4a101000.mdio:04, driver Atheros 8030 ethernet
[ 2.372493] cpsw 4a100000.ethernet: Detected MACID = 78:c5:e5:90:d9:36
[ 2.384662] of_get_named_gpiod_flags: parsed 'gpios' property of
node '/ocp/gpio-keys/Wakeup[0]' - status (0)
[ 2.384736] of_get_named_gpiod_flags: parsed 'gpios' property of
node '/ocp/gpio-keys/wps[0]' - status (0)
[ 2.386178] input: ocp:gpio-keys as
/devices/platform/ocp/ocp:gpio-keys/input/input0
[ 2.397491] omap_rtc 44e3e000.rtc: setting system clock to
2014-06-20 23:17:41 UTC (1403306261)
[ 2.432202] net eth0: initializing cpsw version 1.12 (0)
[ 2.438005]
[ 2.439574] ======================================================
[ 2.446055] [ INFO: possible circular locking dependency detected ]
[ 2.452633] 4.2.0-rc2-00284-gc11a8fb-dirty #1175 Not tainted
[ 2.458567] -------------------------------------------------------
[ 2.465141] kworker/0:1/13 is trying to acquire lock:
[ 2.470440] (class){......}, at: [<c00730c0>] __irq_get_desc_lock+0x58/0x98
[ 2.477892]
[ 2.477892] but task is already holding lock:
[ 2.484009] (&(&dev->power.lock)->rlock){......}, at: [<c031b27c>]
pm_runtime_work+0x14/0xa8
[ 2.492988]
[ 2.492988] which lock already depends on the new lock.
[ 2.492988]
[ 2.501568]
[ 2.501568] the existing dependency chain (in reverse order) is:
[ 2.509416]
[ 2.509416] -> #1 (&(&dev->power.lock)->rlock){......}:
[ 2.515101] [<c031abec>] __pm_runtime_resume+0x3c/0x64
[ 2.521138] [<c02d3a58>] omap_gpio_irq_type+0x9c/0x1a4
[ 2.527187] [<c0074430>] __irq_set_trigger+0x58/0x14c
[ 2.533132] [<c00759d0>] irq_set_irq_type+0x34/0x5c
[ 2.538894] [<c0078fa8>] irq_create_of_mapping+0x118/0x16c
[ 2.545295] [<c03f307c>] irq_of_parse_and_map+0x24/0x2c
[ 2.551424] [<c03f309c>] of_irq_to_resource+0x18/0xbc
[ 2.557364] [<c03f317c>] of_irq_to_resource_table+0x3c/0x54
[ 2.563854] [<c03f0de4>] of_device_alloc+0x104/0x170
[ 2.569718] [<c03f0ea0>] of_platform_device_create_pdata+0x50/0xc0
[ 2.576847] [<c03f0ff4>] of_platform_bus_create+0xd8/0x2fc
[ 2.583246] [<c03f1050>] of_platform_bus_create+0x134/0x2fc
[ 2.589737] [<c03f1344>] of_platform_populate+0x5c/0xb8
[ 2.595863] [<c08027cc>] pdata_quirks_init+0x38/0x44
[ 2.601720] [<c0802528>] omap_generic_init+0x14/0x1c
[ 2.607570] [<c07f817c>] customize_machine+0x20/0x40
[ 2.613424] [<c00096f8>] do_one_initcall+0x8c/0x1d8
[ 2.619188] [<c07f6d68>] kernel_init_freeable+0x134/0x1d4
[ 2.625494] [<c05b2618>] kernel_init+0x8/0xe8
[ 2.630712] [<c000f538>] ret_from_fork+0x14/0x3c
[ 2.636206]
[ 2.636206] -> #0 (class){......}:
[ 2.639977] [<c05bd210>] _raw_spin_lock_irqsave+0x48/0x5c
[ 2.646288] [<c00730c0>] __irq_get_desc_lock+0x58/0x98
[ 2.652322] [<c0074314>] enable_irq+0x1c/0x70
[ 2.657535] [<c031a01c>] rpm_suspend+0xd0/0x4b4
[ 2.662931] [<c031b2dc>] pm_runtime_work+0x74/0xa8
[ 2.668600] [<c004b4dc>] process_one_work+0x168/0x404
[ 2.674543] [<c004b7c4>] worker_thread+0x4c/0x488
[ 2.680121] [<c0051458>] kthread+0xdc/0xf0
[ 2.685068] [<c000f538>] ret_from_fork+0x14/0x3c
[ 2.690555]
[ 2.690555] other info that might help us debug this:
[ 2.690555]
[ 2.698953] Possible unsafe locking scenario:
[ 2.698953]
[ 2.705161] CPU0 CPU1
[ 2.709908] ---- ----
[ 2.714656] lock(&(&dev->power.lock)->rlock);
[ 2.719417] lock(class);
[ 2.724904] lock(&(&dev->power.lock)->rlock);
[ 2.732305] lock(class);
[ 2.735152]
[ 2.735152] *** DEADLOCK ***
[ 2.735152]
[ 2.741365] 3 locks held by kworker/0:1/13:
[ 2.745749] #0: ("pm"){.+.+..}, at: [<c004b470>]
process_one_work+0xfc/0x404
[ 2.753360] #1: ((&dev->power.work)){+.+...}, at: [<c004b470>]
process_one_work+0xfc/0x404
[ 2.762243] #2: (&(&dev->power.lock)->rlock){......}, at:
[<c031b27c>] pm_runtime_work+0x14/0xa8
[ 2.771675]
[ 2.771675] stack backtrace:
[ 2.776251] CPU: 0 PID: 13 Comm: kworker/0:1 Not tainted
4.2.0-rc2-00284-gc11a8fb-dirty #1175
[ 2.785194] Hardware name: Generic AM33XX (Flattened Device Tree)
[ 2.791592] Workqueue: pm pm_runtime_work
[ 2.795826] [<c0014f80>] (unwind_backtrace) from [<c0012a14>]
(show_stack+0x10/0x14)
[ 2.803965] [<c0012a14>] (show_stack) from [<c05b4cbc>]
(print_circular_bug+0x2d4/0x2e0)
[ 2.812472] [<c05b4cbc>] (print_circular_bug) from [<c0069190>]
(__lock_acquire+0x1d8c/0x20b0)
[ 2.821514] [<c0069190>] (__lock_acquire) from [<c0069d8c>]
(lock_acquire+0x6c/0x8c)
[ 2.829645] [<c0069d8c>] (lock_acquire) from [<c05bd210>]
(_raw_spin_lock_irqsave+0x48/0x5c)
[ 2.838503] [<c05bd210>] (_raw_spin_lock_irqsave) from [<c00730c0>]
(__irq_get_desc_lock+0x58/0x98)
[ 2.848000] [<c00730c0>] (__irq_get_desc_lock) from [<c0074314>]
(enable_irq+0x1c/0x70)
[ 2.856403] [<c0074314>] (enable_irq) from [<c031a01c>]
(rpm_suspend+0xd0/0x4b4)
[ 2.864167] [<c031a01c>] (rpm_suspend) from [<c031b2dc>]
(pm_runtime_work+0x74/0xa8)
[ 2.872294] [<c031b2dc>] (pm_runtime_work) from [<c004b4dc>]
(process_one_work+0x168/0x404)
[ 2.881059] [<c004b4dc>] (process_one_work) from [<c004b7c4>]
(worker_thread+0x4c/0x488)
[ 2.889551] [<c004b7c4>] (worker_thread) from [<c0051458>]
(kthread+0xdc/0xf0)
[ 2.897132] [<c0051458>] (kthread) from [<c000f538>]
(ret_from_fork+0x14/0x3c)
[ 2.986818] net eth0: phy found : id is : 0x4dd076
[ 2.991961] libphy: PHY 4a101000.mdio:05 not found
[ 2.997027] net eth0: phy 4a101000.mdio:05 not found on slave 1
[ 3.009163] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 7.027232] cpsw 4a100000.ethernet eth0: Link is Up - 100Mbps/Full
- flow control rx/tx
[ 7.046377] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 7.056764] cfg80211: Calling CRDA to update world regulatory domain
[ 7.066373] IP-Config: Guessing netmask 255.255.255.0
[ 7.072048] IP-Config: Complete:
[ 7.075450] device=eth0, hwaddr=78:c5:e5:90:d9:36,
ipaddr=192.168.13.141, mask=255.255.255.0, gw=255.255.255.255
[ 7.086863] host=192.168.13.141, domain=, nis-domain=(none)
[ 7.093179] bootserver=255.255.255.255,
rootserver=192.168.13.1, rootpath=
[ 7.101095] vdd-3v3: disabling
[ 7.104485] ALSA device list:
[ 7.107922] No soundcards found.
[ 7.119941] VFS: Mounted root (nfs filesystem) on device 0:14.
[ 7.126764] devtmpfs: mounted
[ 7.130303] Freeing unused kernel memory: 240K (c07f6000 - c0832000)
2015-07-16 17:24 GMT+02:00 Andreas Fenkart <afenkart@xxxxxxxxx>:
> Dave,
>
> thanks for rebasing your branch
>
> 2015-07-15 23:28 GMT+02:00 Dave Gerlach <d-gerlach@xxxxxx>:
>>> I tried to merge that branch into current v4.2-rc2, but I made quite a mess out
>>> of it. I'll try probably try cherry-picking next or will just wait for an update
>>
>> Yes, there are some additional patches, wkup_m3_rproc is just part of the whole
>> collection. However I did rebase my pm branch on v4.2-rc2 today in preparation
>> of sending the next series so you can check that out here:
>> https://github.com/dgerlach/linux-pm/tree/pm-v4.2-rc2-amx3-suspend.
>>
>> The firmware you need can be found here:
>> https://git.ti.com/ti-cm3-pm-firmware/amx3-cm3/commits/next-upstream.
>
> The file '/sys/power/state' is still empty, it seems that
> suspend_set_ops are never
> installed.
>
> [ 1.617027] omap_hsmmc 48060000.mmc: unable to get vmmc regulator -517
> [ 1.652116] remoteproc0: wkup_m3 is available
> [ 1.657149] remoteproc0: Note: remoteproc is still under
> development and considered experimental.
> [ 1.666647] remoteproc0: THE BINARY FORMAT IS NOT YET FINALIZED,
> and backward compatibility isn't yet guaranteed.
> [ 1.686648] usbcore: registered new interface driver snd-usb-audio
> [ 1.699828] Initializing XFRM netlink socket
> [ 1.707462] NET: Registered protocol family 10
> [ 1.716910] sit: IPv6 over IPv4 tunneling driver
> [ 1.724229] NET: Registered protocol family 17
> [ 1.729231] NET: Registered protocol family 15
> [ 1.734582] Key type dns_resolver registered
> [ 1.739342] omap_voltage_late_init: Voltage driver support not added
> [ 1.747483] ThumbEE CPU extension supported.
> [ 1.752018] Registering SWP/SWPB emulation handler
> [ 1.757140] am33xx_pm_init !!!!!!!
> [ 1.760720] am33xx_pm_init 1
> [ 1.763739] am33xx_pm_init 2
> [ 1.766790] PM: am33xx_push_sram_idle: EMIF function copy failed
> ^^^^^^^
> next line in am33xx_pm_init would have installed the callbacks
>
> [ 1.830732] tps65217 0-0024: TPS65217 ID 0xf version 1.1
> [ 1.838295] at24 0-0050: 1024 byte 24c08 EEPROM, writable, 16 bytes/write
> [ 1.845933] omap_i2c 44e0b000.i2c: bus 0 rev0.11 at 100 kHz
> [ 1.855157] omap_i2c 4819c000.i2c: bus 2 rev0.11 at 400 kHz
> [ 1.862975] nand: device found, Manufacturer ID: 0x98, Chip ID: 0xda
> [ 1.870123] remoteproc0: powering up wkup_m3
> [ 1.874734] remoteproc0: Booting fw image am335x-pm-firmware.elf,
> size 153943
> [ 1.882387] nand: Toshiba NAND 256MiB 3,3V 8-bit
> [ 1.887269] nand: 256 MiB, SLC, erase size: 128 KiB, page size:
> 2048, OOB size: 64
> [ 1.895290] nand: using OMAP_ECC_BCH8_CODE_HW ECC scheme
> [ 1.901368] remoteproc0: remote processor wkup_m3 is now up
> [ 1.901394] wkup_m3_ipc 44e11324.wkup_m3_ipc: CM3 Firmware Version = 0x191
> [ 1.915177] 9 ofpart partitions found on MTD device omap2-nand.0
>
> kind regards,
> Andi
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