Connected to wand-quad console [channel connected] (~$quit to exit) (user:khilman) is already connected ~$hardreset Command(wand-quad console)> hardreset (user:khilman) Reboot wand-quad Reboot: wand-quad ; phidget 2 3 : off, sleep, on U-Boot 2013.07-00001-gc362749 (Sep 06 2013 - 07:50:29) CPU: Freescale i.MX6Q rev1.2 at 792 MHz Reset cause: POR Board: Wandboard DRAM: 2 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: FEC [PRIME] Warning: FEC using MAC address from net device Hit any key to stop autoboot: 5  0 => =>version version U-Boot 2013.07-00001-gc362749 (Sep 06 2013 - 07:50:29) arm-linux-gnueabi-gcc (Ubuntu/Linaro 4.7.2-1ubuntu1) 4.7.2 GNU ld (GNU Binutils for Ubuntu) 2.22.90.20120919 => setenv bootargs console=ttymxc0,115200 setenv bootargs console=ttymxc0,115200 => setenv netargs 'setenv bootargs ${bootargs} ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}::::192.168.1.254:none' setenv netargs 'setenv bootargs ${bootargs} ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}::::192.168.1.254:none' => if test -n ${initenv}; then run initenv; fi if test -n ${initenv}; then run initenv; fi => if test -n ${preboot}; then run preboot; fi if test -n ${preboot}; then run preboot; fi => setenv autoload no; setenv autoboot no setenv autoload no; setenv autoboot no => dhcp dhcp FEC Waiting for PHY auto negotiation to complete.. done BOOTP broadcast 1 DHCP client bound to address 192.168.1.181 => setenv serverip 192.168.1.2 setenv serverip 192.168.1.2 => if test -n ${netargs}; then run netargs; fi if test -n ${netargs}; then run netargs; fi => tftp 0x10800000 tmp/wand-quad-4V1bNh/zImage tftp 0x10800000 tmp/wand-quad-4V1bNh/zImage Using FEC device TFTP from server 192.168.1.2; our IP address is 192.168.1.181 Filename 'tmp/wand-quad-4V1bNh/zImage'. Load address: 0x10800000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############# 2.7 MiB/s done Bytes transferred = 4956664 (4ba1f8 hex) => tftp 0x11100000 buildroot.cpio.gz.uboot tftp 0x11100000 buildroot.cpio.gz.uboot Using FEC device TFTP from server 192.168.1.2; our IP address is 192.168.1.181 Filename 'buildroot.cpio.gz.uboot'. Load address: 0x11100000 Loading: *############################################ 2.8 MiB/s done Bytes transferred = 639808 (9c340 hex) => tftp 0x11000000 tmp/wand-quad-4V1bNh/imx6q-wandboard.dtb tftp 0x11000000 tmp/wand-quad-4V1bNh/imx6q-wandboard.dtb Using FEC device TFTP from server 192.168.1.2; our IP address is 192.168.1.181 Filename 'tmp/wand-quad-4V1bNh/imx6q-wandboard.dtb'. Load address: 0x11000000 Loading: *### 2.5 MiB/s done Bytes transferred = 34380 (864c hex) => printenv bootargs printenv bootargs bootargs=console=ttymxc0,115200 ip=192.168.1.181:192.168.1.2::255.255.255.0::::192.168.1.254:none => bootz 0x10800000 0x11100000 0x11000000 bootz 0x10800000 0x11100000 0x11000000 Kernel image @ 0x10800000 [ 0x000000 - 0x4ba1f8 ] ## Loading init Ramdisk from Legacy Image at 11100000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 639744 Bytes = 624.8 KiB Load Address: 81000000 Entry Point: 81000000 Verifying Checksum ... OK ## Flattened Device Tree blob at 11000000 Booting using the fdt blob at 0x11000000 Using Device Tree in place at 11000000, end 1100b64b Starting kernel ... Booting Linux on physical CPU 0x0 Linux version 3.12.0+ (build@brutus) (gcc version 4.8.1 (GCC) ) #1 SMP Fri Nov 22 11:44:39 PST 2013 CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c53c7d CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache Machine model: Wandboard i.MX6 Quad Board Truncating RAM at 10000000-8fffffff to -7f7fffff (vmalloc region overlap). Memory policy: Data cache writealloc PERCPU: Embedded 8 pages/cpu @81fb0000 s8896 r8192 d15680 u32768 Built 1 zonelists in Zone order, mobility grouping on. Total pages: 453136 Kernel command line: console=ttymxc0,115200 ip=192.168.1.181:192.168.1.2::255.255.255.0::::192.168.1.254:none PID hash table entries: 4096 (order: 2, 16384 bytes) Dentry cache hash table entries: 262144 (order: 8, 1048576 bytes) Inode-cache hash table entries: 131072 (order: 7, 524288 bytes) Memory: 1795572K/1826816K available (6243K kernel code, 339K rwdata, 2044K rodata, 304K init, 5498K bss, 31244K reserved) Virtual kernel memory layout: vector : 0xffff0000 - 0xffff1000 ( 4 kB) fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB) vmalloc : 0xf0000000 - 0xff000000 ( 240 MB) lowmem : 0x80000000 - 0xef800000 (1784 MB) modules : 0x7f000000 - 0x80000000 ( 16 MB) .text : 0x80008000 - 0x8081feac (8288 kB) .init : 0x80820000 - 0x8086c2c0 ( 305 kB) .data : 0x8086e000 - 0x808c2fa0 ( 340 kB) .bss : 0x808c2fa8 - 0x80e21990 (5499 kB) SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 Hierarchical RCU implementation. NR_IRQS:16 nr_irqs:16 16 L310 cache controller enabled l2x0: 16 ways, CACHE_ID 0x410000c7, AUX_CTRL 0x32070000, Cache size: 1024 kB sched_clock: 32 bits at 66MHz, resolution 15ns, wraps every 65075262448ns Console: colour dummy device 80x30 Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar ... MAX_LOCKDEP_SUBCLASSES: 8 ... MAX_LOCK_DEPTH: 48 ... MAX_LOCKDEP_KEYS: 8191 ... CLASSHASH_SIZE: 4096 ... MAX_LOCKDEP_ENTRIES: 16384 ... MAX_LOCKDEP_CHAINS: 32768 ... CHAINHASH_SIZE: 16384 memory used by lock dependency info: 3695 kB per task-struct memory footprint: 1152 bytes Calibrating delay loop... 1581.05 BogoMIPS (lpj=7905280) pid_max: default: 32768 minimum: 301 Mount-cache hash table entries: 512 CPU: Testing write buffer coherency: ok CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 Setting up static identity map for 0x1061e4d0 - 0x1061e540 CPU1: Booted secondary processor CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 CPU2: Booted secondary processor CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 CPU3: Booted secondary processor CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 Brought up 4 CPUs SMP: Total of 4 processors activated. CPU: All CPU(s) started in SVC mode. devtmpfs: initialized VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 pinctrl core: initialized pinctrl subsystem regulator-dummy: no parameters NET: Registered protocol family 16 DMA: preallocated 256 KiB pool for atomic coherent allocations CPU identified as i.MX6Q, silicon rev 1.2 syscon 20c8000.anatop: regmap [mem 0x020c8000-0x020c8fff] registered vdd1p1: 800 <--> 1375 mV at 1100 mV vdd3p0: 2800 <--> 3150 mV at 3000 mV vdd2p5: 2000 <--> 2750 mV at 2400 mV cpu: 725 <--> 1450 mV at 1150 mV vddpu: 725 <--> 1450 mV at 1150 mV vddsoc: 725 <--> 1450 mV at 1200 mV syscon 20e0000.iomuxc-gpr: regmap [mem 0x020e0000-0x020e0037] registered syscon 21bc000.ocotp: regmap [mem 0x021bc000-0x021bffff] registered hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. hw-breakpoint: maximum watchpoint size is 4 bytes. imx6q-pinctrl 20e0000.iomuxc: initialized IMX pinctrl driver bio: create slab at 0 mxs-dma 110000.dma-apbh: initialized 2P5V: 2500 mV 3P3V: 3300 mV SCSI subsystem initialized usbcore: registered new interface driver usbfs usbcore: registered new interface driver hub usbcore: registered new device driver usb i2c i2c-1: IMX I2C adapter registered Linux video capture interface: v2.00 pps_core: LinuxPPS API ver. 1 registered pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti PTP clock support registered Advanced Linux Sound Architecture Driver Initialized. cfg80211: Calling CRDA to update world regulatory domain Switched to clocksource mxc_timer1 NET: Registered protocol family 2 TCP established hash table entries: 16384 (order: 4, 65536 bytes) TCP bind hash table entries: 16384 (order: 7, 589824 bytes) TCP: Hash tables configured (established 16384 bind 16384) TCP: reno registered UDP hash table entries: 1024 (order: 4, 81920 bytes) UDP-Lite hash table entries: 1024 (order: 4, 81920 bytes) NET: Registered protocol family 1 RPC: Registered named UNIX socket transport module. RPC: Registered udp transport module. RPC: Registered tcp transport module. RPC: Registered tcp NFSv4.1 backchannel transport module. Trying to unpack rootfs image as initramfs... Freeing initrd memory: 620K (81101000 - 8119c000) hw perfevents: enabled with ARMv7 Cortex-A9 PMU driver, 7 counters available VFS: Disk quotas dquot_6.5.2 Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) NFS: Registering the id_resolver key type Key type id_resolver registered Key type id_legacy registered jffs2: version 2.2. (NAND) B) 2001-2006 Red Hat, Inc. fuse init (API version 7.22) msgmni has been set to 3508 io scheduler noop registered io scheduler deadline registered io scheduler cfq registered (default) imx-weim 21b8000.weim: Driver registered. imx-sdma 20ec000.sdma: Direct firmware load failed with error -2 imx-sdma 20ec000.sdma: Falling back to user helper imx-sdma 20ec000.sdma: initialized Serial: IMX driver 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 58, base_baud = 5000000) is a IMX console [ttymxc0] enabled 21ec000.serial: ttymxc2 at MMIO 0x21ec000 (irq = 60, base_baud = 5000000) is a IMX serial: Freescale lpuart driver [drm] Initialized drm 1.1.0 20060810 brd: module loaded loop: module loaded ahci ahci: SSS flag set, parallel bus scan disabled ahci ahci: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode ahci ahci: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst scsi0 : ahci_platform ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 71 fec 2188000.ethernet: dummy supplies not allowed libphy: fec_enet_mii_bus: probed fec 2188000.ethernet eth0: registered PHC device 0 ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver ehci-mxc: Freescale On-Chip EHCI Host driver usbcore: registered new interface driver usb-storage imx_usb 2184000.usb: usbmisc init failed, ret=-517 platform 2184000.usb: Driver imx_usb requests probe deferral imx_usb 2184200.usb: usbmisc init failed, ret=-517 platform 2184200.usb: Driver imx_usb requests probe deferral mousedev: PS/2 mouse device common for all mice snvs_rtc 20cc034.snvs-rtc-lp: rtc core: registered 20cc034.snvs-rtc-lp as rtc0 i2c /dev entries driver imx2-wdt 20bc000.wdog: IMX2+ Watchdog Timer enabled. timeout=60s (nowayout=0) sdhci: Secure Digital Host Controller Interface driver sdhci: Copyright(c) Pierre Ossman sdhci-pltfm: SDHCI platform and OF driver helper sdhci-esdhc-imx 2190000.usdhc: could not get ultra high speed state, work on normal mode sdhci-esdhc-imx 2190000.usdhc: dummy supplies not allowed mmc0: no vqmmc regulator found sdhci-esdhc-imx 2190000.usdhc: dummy supplies not allowed mmc0: no vmmc regulator found mmc0: SDHCI controller on 2190000.usdhc [2190000.usdhc] using ADMA sdhci-esdhc-imx 2194000.usdhc: could not get ultra high speed state, work on normal mode sdhci-esdhc-imx 2194000.usdhc: dummy supplies not allowed mmc1: no vqmmc regulator found sdhci-esdhc-imx 2194000.usdhc: dummy supplies not allowed mmc1: no vmmc regulator found mmc1: SDHCI controller on 2194000.usdhc [2194000.usdhc] using ADMA sdhci-esdhc-imx 2198000.usdhc: could not get ultra high speed state, work on normal mode sdhci-esdhc-imx 2198000.usdhc: dummy supplies not allowed mmc2: no vqmmc regulator found sdhci-esdhc-imx 2198000.usdhc: dummy supplies not allowed mmc2: no vmmc regulator found mmc1: queuing unknown CIS tuple 0x80 (50 bytes) mmc1: queuing unknown CIS tuple 0x80 (7 bytes) mmc2: SDHCI controller on 2198000.usdhc [2198000.usdhc] using ADMA ata1: SATA link down (SStatus 0 SControl 300) usbcore: registered new interface driver usbhid usbhid: USB HID core driver [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [drm] No driver support for vblank timestamp query. mmc1: queuing unknown CIS tuple 0x80 (4 bytes) [drm] Initialized imx-drm 1.0.0 20120507 on minor 0 imx-ipuv3 2400000.ipu: IPUv3H probed imx-ipuv3 2800000.ipu: IPUv3H probed sgtl5000 1-000a: sgtl5000 revision 0x11 mmc1: queuing unknown CIS tuple 0x02 (1 bytes) ====================================================== [ INFO: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected ] sgtl5000 1-000a: dummy supplies not allowed sgtl5000 1-000a: Failed to get supply 'VDDD': -19 1-000a: 1200 mV normal sgtl5000 1-000a: Using internal LDO instead of VDDD 3.12.0+ #1 Not tainted imx-sgtl5000 sound.13: sgtl5000 <-> 2028000.ssi mapping ok imx-spdif sound-spdif.14: dit-hifi <-> 2004000.spdif mapping ok TCP: cubic registered NET: Registered protocol family 10 sit: IPv6 over IPv4 tunneling driver NET: Registered protocol family 17 Key type dns_resolver registered 2184200.usb supply vbus not found, using dummy regulator ci_hdrc ci_hdrc.1: doesn't support gadget ci_hdrc ci_hdrc.1: EHCI Host Controller ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1 ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 hub 1-0:1.0: USB hub found hub 1-0:1.0: 1 port detected ------------------------------------------------------ kworker/u8:2/48 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: (prepare_lock){+.+...}, at: [<8047f1c0>] clk_prepare_lock+0x44/0xe4 and this task is already holding: (&(&host->lock)->rlock#2){-.-...}, at: [<8045fc38>] sdhci_do_set_ios+0x20/0x720 which would create a new lock dependency: (&(&host->lock)->rlock#2){-.-...} -> (prepare_lock){+.+...} but this new dependency connects a HARDIRQ-irq-safe lock: (&(&host->lock)->rlock#2){-.-...} ... which became HARDIRQ-irq-safe at: [<800600c4>] mark_lock+0x140/0x6ac [<8006135c>] __lock_acquire+0x698/0xb1c [<80061fc4>] lock_acquire+0x70/0x84 [<8061d948>] _raw_spin_lock+0x30/0x40 [<8045f0ac>] sdhci_irq+0x24/0xa68 [<8006b0c8>] handle_irq_event_percpu+0x54/0x18c [<8006b244>] handle_irq_event+0x44/0x64 [<8006e400>] handle_fasteoi_irq+0xa0/0x170 [<8006a7e4>] generic_handle_irq+0x30/0x44 [<8000f238>] handle_IRQ+0x54/0xbc [<8000864c>] gic_handle_irq+0x30/0x64 [<80013024>] __irq_svc+0x44/0x5c [<80612c90>] printk+0x38/0x40 [<80460cf0>] sdhci_add_host+0x848/0xbdc [<8046312c>] sdhci_esdhc_imx_probe+0x31c/0x5e0 [<8032dc0c>] platform_drv_probe+0x20/0x50 [<8032c210>] driver_probe_device+0x118/0x234 [<8032c414>] __driver_attach+0x9c/0xa0 [<8032a620>] bus_for_each_dev+0x68/0x9c [<8032bcc8>] driver_attach+0x20/0x28 [<8032b94c>] bus_add_driver+0x148/0x1f4 [<8032ca64>] driver_register+0x80/0x100 [<8032dbd8>] __platform_driver_register+0x50/0x64 [<8084f0e8>] sdhci_esdhc_imx_driver_init+0x18/0x20 [<80008980>] do_one_initcall+0x108/0x16c [<80820ca4>] kernel_init_freeable+0x10c/0x1d0 [<8060fc88>] kernel_init+0x10/0x120 [<8000e9c8>] ret_from_fork+0x14/0x2c to a HARDIRQ-irq-unsafe lock: (prepare_lock){+.+...} ... which became HARDIRQ-irq-unsafe at: ... [<800600c4>] mark_lock+0x140/0x6ac [<80060698>] mark_held_locks+0x68/0x12c [<80060814>] trace_hardirqs_on_caller+0xb8/0x1d8 [<80060948>] trace_hardirqs_on+0x14/0x18 [<8061a788>] mutex_trylock+0x180/0x20c [<8047f190>] clk_prepare_lock+0x14/0xe4 [<8047fd5c>] clk_notifier_register+0x28/0xf0 [<80015120>] twd_clk_init+0x50/0x68 [<80008980>] do_one_initcall+0x108/0x16c [<80820ca4>] kernel_init_freeable+0x10c/0x1d0 [<8060fc88>] kernel_init+0x10/0x120 [<8000e9c8>] ret_from_fork+0x14/0x2c other info that might help us debug this: Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(prepare_lock); local_irq_disable(); lock(&(&host->lock)->rlock#2); lock(prepare_lock); lock(&(&host->lock)->rlock#2); *** DEADLOCK *** 3 locks held by kworker/u8:2/48: #0: (kmmcd){.+.+..}, at: [<8003db18>] process_one_work+0x128/0x468 #1: ((&(&host->detect)->work)){+.+...}, at: [<8003db18>] process_one_work+0x128/0x468 #2: (&(&host->lock)->rlock#2){-.-...}, at: [<8045fc38>] sdhci_do_set_ios+0x20/0x720 the dependencies between HARDIRQ-irq-safe lock and the holding lock: -> (&(&host->lock)->rlock#2){-.-...} ops: 930 { IN-HARDIRQ-W at: [<800600c4>] mark_lock+0x140/0x6ac [<8006135c>] __lock_acquire+0x698/0xb1c [<80061fc4>] lock_acquire+0x70/0x84 [<8061d948>] _raw_spin_lock+0x30/0x40 [<8045f0ac>] sdhci_irq+0x24/0xa68 [<8006b0c8>] handle_irq_event_percpu+0x54/0x18c [<8006b244>] handle_irq_event+0x44/0x64 [<8006e400>] handle_fasteoi_irq+0xa0/0x170 [<8006a7e4>] generic_handle_irq+0x30/0x44 [<8000f238>] handle_IRQ+0x54/0xbc [<8000864c>] gic_handle_irq+0x30/0x64 [<80013024>] __irq_svc+0x44/0x5c [<80612c90>] printk+0x38/0x40 [<80460cf0>] sdhci_add_host+0x848/0xbdc [<8046312c>] sdhci_esdhc_imx_probe+0x31c/0x5e0 [<8032dc0c>] platform_drv_probe+0x20/0x50 [<8032c210>] driver_probe_device+0x118/0x234 [<8032c414>] __driver_attach+0x9c/0xa0 [<8032a620>] bus_for_each_dev+0x68/0x9c [<8032bcc8>] driver_attach+0x20/0x28 [<8032b94c>] bus_add_driver+0x148/0x1f4 [<8032ca64>] driver_register+0x80/0x100 [<8032dbd8>] __platform_driver_register+0x50/0x64 [<8084f0e8>] sdhci_esdhc_imx_driver_init+0x18/0x20 [<80008980>] do_one_initcall+0x108/0x16c [<80820ca4>] kernel_init_freeable+0x10c/0x1d0 [<8060fc88>] kernel_init+0x10/0x120 [<8000e9c8>] ret_from_fork+0x14/0x2c IN-SOFTIRQ-W at: [<800600c4>] mark_lock+0x140/0x6ac [<80061238>] __lock_acquire+0x574/0xb1c [<80061fc4>] lock_acquire+0x70/0x84 [<8061da64>] _raw_spin_lock_irqsave+0x40/0x54 [<8045d37c>] sdhci_tasklet_finish+0x1c/0x120 [<8002b538>] tasklet_action+0xa0/0x15c [<8002b778>] __do_softirq+0x118/0x290 [<8002bcf4>] irq_exit+0xb4/0x10c [<8000f240>] handle_IRQ+0x5c/0xbc [<8000864c>] gic_handle_irq+0x30/0x64 [<80013024>] __irq_svc+0x44/0x5c [<80612c90>] printk+0x38/0x40 [<80460cf0>] sdhci_add_host+0x848/0xbdc [<8046312c>] sdhci_esdhc_imx_probe+0x31c/0x5e0 [<8032dc0c>] platform_drv_probe+0x20/0x50 [<8032c210>] driver_probe_device+0x118/0x234 [<8032c414>] __driver_attach+0x9c/0xa0 [<8032a620>] bus_for_each_dev+0x68/0x9c [<8032bcc8>] driver_attach+0x20/0x28 [<8032b94c>] bus_add_driver+0x148/0x1f4 [<8032ca64>] driver_register+0x80/0x100 [<8032dbd8>] __platform_driver_register+0x50/0x64 [<8084f0e8>] sdhci_esdhc_imx_driver_init+0x18/0x20 [<80008980>] do_one_initcall+0x108/0x16c [<80820ca4>] kernel_init_freeable+0x10c/0x1d0 [<8060fc88>] kernel_init+0x10/0x120 [<8000e9c8>] ret_from_fork+0x14/0x2c INITIAL USE at: [<800600c4>] mark_lock+0x140/0x6ac [<80060f80>] __lock_acquire+0x2bc/0xb1c [<80061fc4>] lock_acquire+0x70/0x84 [<8061da64>] _raw_spin_lock_irqsave+0x40/0x54 [<8045fc38>] sdhci_do_set_ios+0x20/0x720 [<80460368>] sdhci_set_ios+0x30/0x3c [<8044ba10>] mmc_power_up+0x6c/0xd0 [<8044c628>] mmc_start_host+0x60/0x70 [<8044d6a0>] mmc_add_host+0x60/0x88 [<80460ca4>] sdhci_add_host+0x7fc/0xbdc [<8046312c>] sdhci_esdhc_imx_probe+0x31c/0x5e0 [<8032dc0c>] platform_drv_probe+0x20/0x50 [<8032c210>] driver_probe_device+0x118/0x234 [<8032c414>] __driver_attach+0x9c/0xa0 [<8032a620>] bus_for_each_dev+0x68/0x9c [<8032bcc8>] driver_attach+0x20/0x28 [<8032b94c>] bus_add_driver+0x148/0x1f4 [<8032ca64>] driver_register+0x80/0x100 [<8032dbd8>] __platform_driver_register+0x50/0x64 [<8084f0e8>] sdhci_esdhc_imx_driver_init+0x18/0x20 [<80008980>] do_one_initcall+0x108/0x16c [<80820ca4>] kernel_init_freeable+0x10c/0x1d0 [<8060fc88>] kernel_init+0x10/0x120 [<8000e9c8>] ret_from_fork+0x14/0x2c } ... key at: [<80e080e8>] __key.26948+0x0/0x8 ... acquired at: [<8005eb60>] check_usage+0x3d0/0x5c0 [<8005edac>] check_irq_usage+0x5c/0xb8 [<8005f51c>] validate_chain.isra.33+0x714/0x1090 [<80061090>] __lock_acquire+0x3cc/0xb1c [<80061fc4>] lock_acquire+0x70/0x84 [<8061a868>] mutex_lock_nested+0x54/0x3c0 [<8047f1c0>] clk_prepare_lock+0x44/0xe4 [<8047ff44>] clk_get_rate+0x14/0x64 [<804621cc>] esdhc_pltfm_set_clock+0x20/0x2a4 [<8045cf98>] sdhci_set_clock+0x4c/0x414 [<8045fd04>] sdhci_do_set_ios+0xec/0x720 [<80460368>] sdhci_set_ios+0x30/0x3c [<8044ad14>] __mmc_set_clock+0x44/0x60 [<8044b8bc>] mmc_set_clock+0x10/0x14 [<804536f4>] mmc_sdio_init_card+0x49c/0xab4 [<80454034>] mmc_attach_sdio+0x80/0x364 [<8044c520>] mmc_rescan+0x23c/0x2e4 [<8003db94>] process_one_work+0x1a4/0x468 [<8003e850>] worker_thread+0x118/0x3e0 [<80044de0>] kthread+0xd4/0xf0 [<8000e9c8>] ret_from_fork+0x14/0x2c the dependencies between the lock to be acquired and HARDIRQ-irq-unsafe lock: -> (prepare_lock){+.+...} ops: 852 { HARDIRQ-ON-W at: [<800600c4>] mark_lock+0x140/0x6ac [<80060698>] mark_held_locks+0x68/0x12c [<80060814>] trace_hardirqs_on_caller+0xb8/0x1d8 [<80060948>] trace_hardirqs_on+0x14/0x18 [<8061a788>] mutex_trylock+0x180/0x20c [<8047f190>] clk_prepare_lock+0x14/0xe4 [<8047fd5c>] clk_notifier_register+0x28/0xf0 [<80015120>] twd_clk_init+0x50/0x68 [<80008980>] do_one_initcall+0x108/0x16c [<80820ca4>] kernel_init_freeable+0x10c/0x1d0 [<8060fc88>] kernel_init+0x10/0x120 [<8000e9c8>] ret_from_fork+0x14/0x2c SOFTIRQ-ON-W at: [<800600c4>] mark_lock+0x140/0x6ac [<80060698>] mark_held_locks+0x68/0x12c [<8006085c>] trace_hardirqs_on_caller+0x100/0x1d8 [<80060948>] trace_hardirqs_on+0x14/0x18 [<8061a788>] mutex_trylock+0x180/0x20c [<8047f190>] clk_prepare_lock+0x14/0xe4 [<8047fd5c>] clk_notifier_register+0x28/0xf0 [<80015120>] twd_clk_init+0x50/0x68 [<80008980>] do_one_initcall+0x108/0x16c [<80820ca4>] kernel_init_freeable+0x10c/0x1d0 [<8060fc88>] kernel_init+0x10/0x120 [<8000e9c8>] ret_from_fork+0x14/0x2c INITIAL USE at: [<800600c4>] mark_lock+0x140/0x6ac [<80060f80>] __lock_acquire+0x2bc/0xb1c [<80061fc4>] lock_acquire+0x70/0x84 [<8061a720>] mutex_trylock+0x118/0x20c [<8047f190>] clk_prepare_lock+0x14/0xe4 [<804811b0>] __clk_init+0x1c/0x45c [<80481724>] _clk_register+0xd0/0x170 [<80481800>] clk_register+0x3c/0x7c [<80482204>] clk_register_fixed_rate+0x88/0xd8 [<804822bc>] of_fixed_clk_setup+0x68/0x94 [<80850750>] of_clk_init+0x44/0x68 [<808242b0>] time_init+0x2c/0x38 [<80820a14>] start_kernel+0x1e4/0x368 [<10008074>] 0x10008074 } ... key at: [<808b3ebc>] prepare_lock+0x38/0x48 ... acquired at: [<8005eb94>] check_usage+0x404/0x5c0 [<8005edac>] check_irq_usage+0x5c/0xb8 [<8005f51c>] validate_chain.isra.33+0x714/0x1090 [<80061090>] __lock_acquire+0x3cc/0xb1c [<80061fc4>] lock_acquire+0x70/0x84 [<8061a868>] mutex_lock_nested+0x54/0x3c0 [<8047f1c0>] clk_prepare_lock+0x44/0xe4 [<8047ff44>] clk_get_rate+0x14/0x64 [<804621cc>] esdhc_pltfm_set_clock+0x20/0x2a4 [<8045cf98>] sdhci_set_clock+0x4c/0x414 [<8045fd04>] sdhci_do_set_ios+0xec/0x720 [<80460368>] sdhci_set_ios+0x30/0x3c [<8044ad14>] __mmc_set_clock+0x44/0x60 [<8044b8bc>] mmc_set_clock+0x10/0x14 [<804536f4>] mmc_sdio_init_card+0x49c/0xab4 [<80454034>] mmc_attach_sdio+0x80/0x364 [<8044c520>] mmc_rescan+0x23c/0x2e4 [<8003db94>] process_one_work+0x1a4/0x468 [<8003e850>] worker_thread+0x118/0x3e0 [<80044de0>] kthread+0xd4/0xf0 [<8000e9c8>] ret_from_fork+0x14/0x2c stack backtrace: CPU: 2 PID: 48 Comm: kworker/u8:2 Not tainted 3.12.0+ #1 Workqueue: kmmcd mmc_rescan Backtrace: [<80012160>] (dump_backtrace+0x0/0x10c) from [<80012438>] (show_stack+0x18/0x1c) r6:00000000 r5:00000000 r4:80892cc8 r3:ee86b600 [<80012420>] (show_stack+0x0/0x1c) from [<80616200>] (dump_stack+0x84/0x9c) [<8061617c>] (dump_stack+0x0/0x9c) from [<8005ebb4>] (check_usage+0x424/0x5c0) r5:8097da50 r4:ee8ddafc [<8005e790>] (check_usage+0x0/0x5c0) from [<8005edac>] (check_irq_usage+0x5c/0xb8) [<8005ed50>] (check_irq_usage+0x0/0xb8) from [<8005f51c>] (validate_chain.isra.33+0x714/0x1090) r8:80db3a9c r7:00000002 r6:ee86b9d0 r5:ee86b9e8 r4:ee86b9e8 [<8005ee08>] (validate_chain.isra.33+0x0/0x1090) from [<80061090>] (__lock_acquire+0x3cc/0xb1c) [<80060cc4>] (__lock_acquire+0x0/0xb1c) from [<80061fc4>] (lock_acquire+0x70/0x84) [<80061f54>] (lock_acquire+0x0/0x84) from [<8061a868>] (mutex_lock_nested+0x54/0x3c0) r7:ee86b600 r6:80db3a9c r5:00000000 r4:8047f1c0 [<8061a814>] (mutex_lock_nested+0x0/0x3c0) from [<8047f1c0>] (clk_prepare_lock+0x44/0xe4) [<8047f17c>] (clk_prepare_lock+0x0/0xe4) from [<8047ff44>] (clk_get_rate+0x14/0x64) r6:02faf080 r5:ee931aa8 r4:ef027300 r3:808b2128 [<8047ff30>] (clk_get_rate+0x0/0x64) from [<804621cc>] (esdhc_pltfm_set_clock+0x20/0x2a4) r5:ee931aa8 r4:ee931c40 [<804621ac>] (esdhc_pltfm_set_clock+0x0/0x2a4) from [<8045cf98>] (sdhci_set_clock+0x4c/0x414) [<8045cf4c>] (sdhci_set_clock+0x0/0x414) from [<8045fd04>] (sdhci_do_set_ios+0xec/0x720) r8:00000000 r7:20000113 r6:ee931d68 r5:ee931aa8 r4:ee931c40 r3:00000002 [<8045fc18>] (sdhci_do_set_ios+0x0/0x720) from [<80460368>] (sdhci_set_ios+0x30/0x3c) r9:00000001 r8:00000000 r7:00200000 r6:02faf080 r5:ee931aa8 r4:ee931800 [<80460338>] (sdhci_set_ios+0x0/0x3c) from [<8044ad14>] (__mmc_set_clock+0x44/0x60) r5:02faf080 r4:ee931800 [<8044acd0>] (__mmc_set_clock+0x0/0x60) from [<8044b8bc>] (mmc_set_clock+0x10/0x14) r5:ef108800 r4:ee931800 [<8044b8ac>] (mmc_set_clock+0x0/0x14) from [<804536f4>] (mmc_sdio_init_card+0x49c/0xab4) [<80453258>] (mmc_sdio_init_card+0x0/0xab4) from [<80454034>] (mmc_attach_sdio+0x80/0x364) [<80453fb4>] (mmc_attach_sdio+0x0/0x364) from [<8044c520>] (mmc_rescan+0x23c/0x2e4) [<8044c2e4>] (mmc_rescan+0x0/0x2e4) from [<8003db94>] (process_one_work+0x1a4/0x468) r8:00000000 r7:ee8ddeb0 r6:ef00dc00 r5:ee931af8 r4:ef059280 r3:8044c2e4 [<8003d9f0>] (process_one_work+0x0/0x468) from [<8003e850>] (worker_thread+0x118/0x3e0) [<8003e738>] (worker_thread+0x0/0x3e0) from [<80044de0>] (kthread+0xd4/0xf0) [<80044d0c>] (kthread+0x0/0xf0) from [<8000e9c8>] (ret_from_fork+0x14/0x2c) r7:00000000 r6:00000000 r5:80044d0c r4:ef0d8040 snvs_rtc 20cc034.snvs-rtc-lp: setting system clock to 1970-01-01 00:00:00 UTC (0) imx-drm imx-drm: No connectors reported connected with modes [drm] Cannot find any crtc or sizes - going 1024x768 U-Boot 2013.07-00001-gc362749 (Sep 06 2013 - 07:50:29) CPU: Freescale i.MX6Q rev1.2 at 792 MHz Reset cause: POR Board: Wandboard DRAM: 2 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: FEC [PRIME] Warning: FEC using MAC address from net device Hit any key to stop autoboot: 5  4  3  2  1  0 mmc0 is current device ** Unrecognized filesystem type ** ** Unrecognized filesystem type ** Booting from net ... BOOTP broadcast 1 DHCP client bound to address 192.168.1.181 Using FEC device TFTP from server 192.168.1.2; our IP address is 192.168.1.181 Filename 'imx/uImage'. Load address: 0x12000000 Loading: * TFTP error: 'File not found' (1) Not retrying... BOOTP broadcast 1 DHCP client bound to address 192.168.1.181 Using FEC device TFTP from server 192.168.1.2; our IP address is 192.168.1.181 Filename 'imx/uImage'. Load address: 0x11000000 Loading: * TFTP error: 'File not found' (1) Not retrying... Wrong Image Format for bootm command ERROR: can't get kernel image! => ~$off # PYBOOT: Exception: kernel: ERROR: failed to boot: # PYBOOT: Time: 70.28 seconds. # PYBOOT: Result: FAIL