Re: Waiting for root device

[Gary Thomas <samoht.yrag@gmail.com>]

On 2014-05-30 04:35, Paventhan K wrote:
> Hi,
>
>      I have built yocto core image minimal using Dora(1.5.1) Distro Kernel Version : 3.0.35. But I am unable to get the login prompt it is stuck waiting for rootfs As i m using
> core-image-minimal. sdcard image directly to copy it on SD card, So it is no need to enter the uboot parameters. I am attaching the log with this mail. It shows that no mmc device,
> it is waiting for root device.

It looks like you booted from mmc1 but the kernel is waiting for mmc0

>
> Log file:
>
> U-Boot 2013.10 (May 27 2014 - 15:31:32)
>
> CPU:   Freescale i.MX6Q rev1.2 at 792 MHz
>
> Reset cause: POR
>
> Board: MX6-SabreSD
>
> DRAM:  1 GiB
>
> MMC:   FSL_SDHC: 0, FSL_SDHC: 1, FSL_SDHC: 2
>
> *** Warning - bad CRC, using default environment
>
> No panel detected: default to HDMI
>
> Display: HDMI (1024x768)
>
> In:    serial
>
> Out:   serial
>
> Err:   serial
>
> Net:   FEC [PRIME]
>
> Hit any key to stop autoboot:  1 \b\b\b 0
>
> mmc1 is current device
>
> reading boot.scr
>
> ** Unable to read file boot.scr **
>
> reading uImage
>
> 4046072 bytes read in 187 ms (20.6 MiB/s)
>
> Booting from mmc ...
>
> reading imx6q-sabresd.dtb
>
> ** Unable to read file imx6q-sabresd.dtb **
>
> ## Booting kernel from Legacy Image at 12000000 ...
>
>     Image Name:   Linux-3.0.35-4.1.0+yocto+gbdde70
>
>     Image Type:   ARM Linux Kernel Image (uncompressed)
>
>     Data Size:    4046008 Bytes = 3.9 MiB
>
>     Load Address: 10008000
>
>     Entry Point:  10008000
>
>     Verifying Checksum ... OK
>
>     Loading Kernel Image ... OK
>
> Starting kernel ...
>
> Uncompressing Linux... done, booting the kernel.
>
> Linux version 3.0.35-4.1.0+yocto+gbdde708 (administrator@AIRMUMPCU001) (gcc version 4.8.1 (GCC) ) #1 SMP PREEMPT Fri May 30 14:25:10 IST 2014
>
> CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c53c7d
>
> CPU: VIPT nonaliasing data cache, VIPT aliasing instruction cache
>
> Machine: Freescale i.MX 6Quad/DualLite/Solo Sabre-SD Board
>
> Memory policy: ECC disabled, Data cache writealloc
>
> CPU identified as i.MX6Q, silicon rev 1.2
>
> PERCPU: Embedded 7 pages/cpu @8c008000 s5792 r8192 d14688 u32768
>
> Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 194560
>
> Kernel command line: console=ttymxc0,115200 root=/dev/mmcblk0p2 rootwait rw
>
> PID hash table entries: 4096 (order: 2, 16384 bytes)
>
> Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
>
> Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
>
> Memory: 512MB 256MB = 768MB total
>
> Memory: 765056k/765056k available, 283520k reserved, 0K highmem
>
> Virtual kernel memory layout:
>
>      vector  : 0xffff0000 - 0xffff1000   (   4 kB)
>
>     fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)
>
>      DMA     : 0xf4600000 - 0xffe00000   ( 184 MB)
>
>      vmalloc : 0xc0800000 - 0xf2000000   ( 792 MB)
>
>      lowmem  : 0x80000000 - 0xc0000000   (1024 MB)
>
>      pkmap   : 0x7fe00000 - 0x80000000   (   2 MB)
>
>      modules : 0x7f000000 - 0x7fe00000   (  14 MB)
>
>        .init : 0x80008000 - 0x8003e000   ( 216 kB)
>
>        .text : 0x8003e000 - 0x80b105c8   (11082 kB)
>
>        .data : 0x80b12000 - 0x80b7e290   ( 433 kB)
>
>         .bss : 0x80b7e2b4 - 0x80bf2730   ( 466 kB)
>
> SLUB: Genslabs=13, HWalign=32, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
>
> Preemptible hierarchical RCU implementation.
>
> NR_IRQS:624
>
> MXC GPIO hardware
>
> sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 1431655ms
>
> arm_max_freq=1GHz
>
> MXC_Early serial console at MMIO 0x2020000 (options '115200')
>
> bootconsole [ttymxc0] enabled
>
> Console: colour dummy device 80x30
>
> 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
>
> hw perfevents: enabled with ARMv7 Cortex-A9 PMU driver, 7 counters available
>
> CPU1: Booted secondary processor
>
> CPU2: Booted secondary processor
>
> CPU3: Booted secondary processor
>
> Brought up 4 CPUs
>
> SMP: Total of 4 processors activated (6324.22 BogoMIPS).
>
> devtmpfs: initialized
>
> print_constraints: dummy:
>
> NET: Registered protocol family 16
>
> print_constraints: vddpu: 725 <--> 1300 mV at 1100 mV fast normal
>
> print_constraints: vddcore: 725 <--> 1300 mV at 1100 mV fast normal
>
> print_constraints: vddsoc: 725 <--> 1300 mV at 1200 mV fast normal
>
> print_constraints: vdd2p5: 2000 <--> 2775 mV at 2400 mV fast normal
>
> print_constraints: vdd1p1: 800 <--> 1400 mV at 1100 mV fast normal
>
> print_constraints: vdd3p0: 2625 <--> 3400 mV at 3000 mV fast normal
>
> hw-breakpoint: found 6 breakpoint and 1 watchpoint registers.
>
> hw-breakpoint: 1 breakpoint(s) reserved for watchpoint single-step.
>
> hw-breakpoint: maximum watchpoint size is 4 bytes.
>
> L310 cache controller enabled
>
> l2x0: 16 ways, CACHE_ID 0x410000c7, AUX_CTRL 0x02070000, Cache size: 1048576 B
>
> bio: create slab <bio-0> at 0
>
> mxs-dma mxs-dma-apbh: initialized
>
> print_constraints: SPKVDD: 4200 mV
>
> print_constraints: vmmc: 3300 mV
>
> SCSI subsystem initialized
>
> spi_imx imx6q-ecspi.0: probed
>
> usbcore: registered new interface driver usbfs
>
> usbcore: registered new interface driver hub
>
> usbcore: registered new device driver usb
>
> Freescale USB OTG Driver loaded, $Revision: 1.55 $
>
> mc_pfuze 1-0008: ID: 0,Full lay: 1 ,Metal lay: 1
>
> mc_pfuze 1-0008: FAB: 0 ,FIN: 0
>
> print_constraints: PFUZE100_SW1A: 300 <--> 1875 mV at 1300 mV
>
> print_constraints: PFUZE100_SW1B: 300 <--> 1875 mV at 300 mV
>
> print_constraints: PFUZE100_SW1C: 300 <--> 1875 mV at 1300 mV
>
> print_constraints: PFUZE100_SW2: 800 <--> 3950 mV at 3300 mV
>
> print_constraints: PFUZE100_SW3A: 400 <--> 1975 mV at 1500 mV
>
> print_constraints: PFUZE100_SW3B: 400 <--> 1975 mV at 1500 mV
>
> print_constraints: PFUZE100_SW4: 800 <--> 3950 mV at 3150 mV
>
> print_constraints: PFUZE100_SWBST: 5000 <--> 5150 mV at 5000 mV
>
> print_constraints: PFUZE100_VSNVS: 1200 <--> 3000 mV at 1800 mV
>
> print_constraints: PFUZE100_VREFDDR: at 750 mV
>
> print_constraints: PFUZE100_VGEN1: 800 <--> 1550 mV at 1500 mV
>
> print_constraints: PFUZE100_VGEN2: 800 <--> 1550 mV at 1500 mV
>
> print_constraints: PFUZE100_VGEN3: 1800 <--> 3300 mV at 2500 mV
>
> print_constraints: PFUZE100_VGEN4: 1800 <--> 3300 mV at 1800 mV
>
> print_constraints: PFUZE100_VGEN5: 1800 <--> 3300 mV at 2800 mV
>
> print_constraints: PFUZE100_VGEN6: 1800 <--> 3300 mV at 3300 mV
>
> imx-ipuv3 imx-ipuv3.0: IPU DMFC NORMAL mode: 1(0~1), 5B(4,5), 5F(6,7)
>
> imx-ipuv3 imx-ipuv3.1: IPU DMFC NORMAL mode: 1(0~1), 5B(4,5), 5F(6,7)
>
> mxc_mipi_csi2 mxc_mipi_csi2: i.MX MIPI CSI2 driver probed
>
> mxc_mipi_csi2 mxc_mipi_csi2: i.MX MIPI CSI2 dphy version is 0x3130302a
>
> MIPI CSI2 driver module loaded
>
> Advanced Linux Sound Architecture Driver Version 1.0.24.
>
> Bluetooth: Core ver 2.16
>
> NET: Registered protocol family 31
>
> Bluetooth: HCI device and connection manager initialized
>
> Bluetooth: HCI socket layer initialized
>
> Bluetooth: L2CAP socket layer initialized
>
> Bluetooth: SCO socket layer initialized
>
> cfg80211: Calling CRDA to update world regulatory domain
>
> max17135 2-0048: PMIC MAX17135 for eInk display
>
> i2c-core: driver [max17135] using legacy suspend method
>
> i2c-core: driver [max17135] using legacy resume method
>
> Switching to clocksource mxc_timer1
>
> NET: Registered protocol family 2
>
> IP route cache hash table entries: 32768 (order: 5, 131072 bytes)
>
> TCP established hash table entries: 131072 (order: 8, 1048576 bytes)
>
> TCP bind hash table entries: 65536 (order: 7, 786432 bytes)
>
> TCP: Hash tables configured (established 131072 bind 65536)
>
> TCP reno registered
>
> UDP hash table entries: 512 (order: 2, 16384 bytes)
>
> UDP-Lite hash table entries: 512 (order: 2, 16384 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.
>
> PMU: registered new PMU device of type 0
>
> Static Power Management for Freescale i.MX6
>
> wait mode is enabled for i.MX6
>
> cpaddr = c0880000 suspend_iram_base=c091c000
>
> PM driver module loaded
>
> IMX usb wakeup probe
>
> add wake up source irq 75
>
> IMX usb wakeup probe
>
> cpu regulator mode:ldo_bypass
>
> _regulator_get: get() with no identifier
>
> mx6_cpu_regulator_init: failed to get pu regulator
>
> i.MXC CPU frequency driver
>
> JFFS2 version 2.2. (NAND) © 2001-2006 Red Hat, Inc.
>
> msgmni has been set to 1494
>
> alg: No test for stdrng (krng)
>
> io scheduler noop registered
>
> io scheduler deadline registered
>
> io scheduler cfq registered (default)
>
> mxc_mipi_dsi mxc_mipi_dsi: i.MX MIPI DSI driver probed
>
> MIPI DSI driver module loaded
>
> mxc_sdc_fb mxc_sdc_fb.0: register mxc display driver ldb
>
> _regulator_get: get() with no identifier
>
> imx-ipuv3 imx-ipuv3.1: IPU DMFC DP HIGH RESOLUTION: 1(0,1), 5B(2~5), 5F(6,7)
>
> Console: switching to colour frame buffer device 128x48
>
> mxc_sdc_fb mxc_sdc_fb.1: register mxc display driver ldb
>
> mxc_sdc_fb mxc_sdc_fb.2: register mxc display driver lcd
>
> mxc_sdc_fb mxc_sdc_fb.3: register mxc display driver ldb
>
> mxc_sdc_fb mxc_sdc_fb.3: ipu1-di0 already in use
>
> mxc_sdc_fb: probe of mxc_sdc_fb.3 failed with error -16
>
> imx-sdma imx-sdma: loaded firmware 1.1
>
> imx-sdma imx-sdma: initialized
>
> Serial: IMX driver
>
> imx-uart.2: ttymxc2 at MMIO 0x21ec000 (irq = 60) is a IMX
>
> imx-uart.0: ttymxc0 at MMIO 0x2020000 (irq = 58) is a IMX
>
> console [ttymxc0] enabled, bootconsole disabled
>
> console [ttymxc0] enabled, bootconsole disabled
>
> loop: module loaded
>
> No sata disk.
>
> m25p80 spi0.0: unrecognized JEDEC id ffffff
>
> GPMI NAND driver registered. (IMX)
>
> vcan: Virtual CAN interface driver
>
> CAN device driver interface
>
> flexcan netdevice driver
>
> FEC Ethernet Driver
>
> fec_enet_mii_bus: probed
>
> ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
>
> fsl-ehci fsl-ehci.0: Freescale On-Chip EHCI Host Controller
>
> fsl-ehci fsl-ehci.0: new USB bus registered, assigned bus number 1
>
> fsl-ehci fsl-ehci.0: irq 75, io base 0x02184000
>
> fsl-ehci fsl-ehci.0: USB 2.0 started, EHCI 1.00
>
> hub 1-0:1.0: USB hub found
>
> hub 1-0:1.0: 1 port detected
>
> add wake up source irq 72
>
> fsl-ehci fsl-ehci.1: Freescale On-Chip EHCI Host Controller
>
> fsl-ehci fsl-ehci.1: new USB bus registered, assigned bus number 2
>
> fsl-ehci fsl-ehci.1: irq 72, io base 0x02184200
>
> fsl-ehci fsl-ehci.1: USB 2.0 started, EHCI 1.00
>
> hub 2-0:1.0: USB hub found
>
> hub 2-0:1.0: 1 port detected
>
> Initializing USB Mass Storage driver...
>
> usbcore: registered new interface driver usb-storage
>
> USB Mass Storage support registered.
>
> ARC USBOTG Device Controller driver (1 August 2005)
>
> mousedev: PS/2 mouse device common for all mice
>
> input: gpio-keys as /devices/platform/gpio-keys/input/input0
>
> input: max11801_ts as /devices/platform/imx-i2c.1/i2c-1/1-0048/input/input1
>
> egalax_ts 1-0004: egalax_ts: failed to read firmware version
>
> egalax_ts: probe of 1-0004 failed with error -5
>
> egalax_ts 2-0004: egalax_ts: failed to read firmware version
>
> egalax_ts: probe of 2-0004 failed with error -5
>
> elan - Read Hello Packet Failed
>
> elan-touch: probe of 2-0010 failed with error -22
>
> i2c-core: driver [isl29023] using legacy suspend method
>
> i2c-core: driver [isl29023] using legacy resume method
>
> snvs_rtc snvs_rtc.0: rtc core: registered snvs_rtc as rtc0
>
> i2c /dev entries driver
>
> Linux video capture interface: v2.00
>
> mxc_v4l2_output mxc_v4l2_output.0: V4L2 device registered as video16
>
> mxc_v4l2_output mxc_v4l2_output.0: V4L2 device registered as video17
>
> mxc_v4l2_output mxc_v4l2_output.0: V4L2 device registered as video18
>
> mxc_v4l2_output mxc_v4l2_output.0: V4L2 device registered as video19
>
> mxc_v4l2_output mxc_v4l2_output.0: V4L2 device registered as video20
>
> mag3110 2-000e: check mag3110 chip ID
>
> mag3110 2-000e: read chip ID 0xfffffffb is not equal to 0xc4!
>
> mag3110: probe of 2-000e failed with error -22
>
> i2c-core: driver [mag3110] using legacy suspend method
>
> i2c-core: driver [mag3110] using legacy resume method
>
> mma8451 0-001c: read chip ID 0x1 is not equal to 0x1a or 0x2a!
>
> mma8451: probe of 0-001c failed with error -22
>
> imx2-wdt imx2-wdt.0: IMX2+ Watchdog Timer enabled. timeout=60s (nowayout=1)
>
> Bluetooth: Virtual HCI driver ver 1.3
>
> Bluetooth: HCI UART driver ver 2.2
>
> Bluetooth: HCIATH3K protocol initialized
>
> Bluetooth: Generic Bluetooth USB driver ver 0.6
>
> usbcore: registered new interface driver btusb
>
> sdhci: Secure Digital Host Controller Interface driver
>
> sdhci: Copyright(c) Pierre Ossman
>
> usbcore: registered new interface driver ushc
>
> mmc0: mmc_rescan_try_freq: trying to init card at 400000 Hz
>
> mmc0: SDHCI controller on platform [sdhci-esdhc-imx.2] using DMA
>
> mmc1: SDHCI controller on platform [sdhci-esdhc-imx.3] using DMA
>
> mmc2: SDHCI controller on platform [sdhci-esdhc-imx.1] using DMA
>
> mxc_vdoa mxc_vdoa: i.MX Video Data Order Adapter(VDOA) driver probed
>
> VPU initialized
>
> mxc_asrc registered
>
> Galcore version 4.6.9.6622
>
> mmc0: mmc_rescan_try_freq: trying to init card at 300000 Hz
>
> Thermal calibration data is 0x5bc4ea7d
>
> Thermal sensor with ratio = 192
>
> Anatop Thermal registered as thermal_zone0
>
> anatop_thermal_probe: default cooling device is cpufreq!
>
> usbcore: registered new interface driver usbhid
>
> usbhid: USB HID core driver
>
> usbcore: registered new interface driver snd-usb-audio
>
> mxc_hdmi_soc mxc_hdmi_soc.0: MXC HDMI Audio
>
> Cirrus Logic CS42888 ALSA SoC Codec Driver
>
> i2c-core: driver [cs42888] using legacy suspend method
>
> i2c-core: driver [cs42888] using legacy resume method
>
> imx-hdmi-soc-dai imx-hdmi-soc-dai.0: Failed: Load HDMI-video first.
>
> mmc0: mmc_rescan_try_freq: trying to init card at 200000 Hz
>
> mmc0: mmc_rescan_try_freq: trying to init card at 100000 Hz
>
> wm8962 0-001a: Device is not a WM8962, ID 0 != 6243
>
> wm8962 0-001a: asoc: failed to probe CODEC wm8962.0-001a: -22
>
> asoc: failed to instantiate card wm8962-audio: -22
>
> imx_3stack asoc driver
>
> Initialize HDMI-audio failed. Load HDMI-video first!
>
> ALSA device list:
>
>    No soundcards found.
>
> NET: Registered protocol family 26
>
> TCP cubic registered
>
> NET: Registered protocol family 17
>
> can: controller area network core (rev 20090105 abi 8)
>
> NET: Registered protocol family 29
>
> can: raw protocol (rev 20090105)
>
> can: broadcast manager protocol (rev 20090105 t)
>
> Bluetooth: RFCOMM TTY layer initialized
>
> Bluetooth: RFCOMM socket layer initialized
>
> Bluetooth: RFCOMM ver 1.11
>
> Bluetooth: BNEP (Ethernet Emulation) ver 1.3
>
> Bluetooth: BNEP filters: protocol multicast
>
> Bluetooth: HIDP (Human Interface Emulation) ver 1.2
>
> lib80211: common routines for IEEE802.11 drivers
>
> VFP support v0.3:
>
> implementor 41 architecture 3 part 30 variant 9 rev 4
>
> Bus freq driver module loaded
>
> Bus freq driver Enabled
>
> mmc1: mmc_rescan_try_freq: trying to init card at 400000 Hz
>
> mxc_dvfs_core_probe
>
> DVFS driver module loaded
>
> regulator_init_complete: PFUZE100_VGEN6: incomplete constraints, leaving on
>
> regulator_init_complete: PFUZE100_VGEN3: incomplete constraints, leaving on
>
> regulator_init_complete: PFUZE100_VGEN2: incomplete constraints, leaving on
>
> regulator_init_complete: PFUZE100_VGEN1: incomplete constraints, leaving on
>
> snvs_rtc snvs_rtc.0: setting system clock to 1970-01-01 00:00:00 UTC (0)
>
> Waiting for root device /dev/mmcblk0p2...
>
> mmc1: mmc_rescan_try_freq: trying to init card at 300000 Hz
>
> mmc1: mmc_rescan_try_freq: trying to init card at 200000 Hz
>
> mmc1: mmc_rescan_try_freq: trying to init card at 100000 Hz
>
> mmc2: mmc_rescan_try_freq: trying to init card at 400000 Hz
>
> mmc2: mmc_rescan_try_freq: trying to init card at 300000 Hz
>
> mmc2: mmc_rescan_try_freq: trying to init card at 200000 Hz
>
> mmc2: mmc_rescan_try_freq: trying to init card at 100000 Hz
>
> \00
>
> Thanks & Regards,
>
> *Paventhan K*
>
> *L&T Technology Services Ltd*
>
> www.LntTechservices.com <http://www.lnttechservices.com/>
>
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