U盘升级kernel 失败。

街头浪子

各位好：
      我现在在imx6dl的android4.4环境下要实现用U盘自动升级uboot,kernel和rootfs的功能。
大致的思路是我先在uboot下先加载U盘里的kernel和initramfs，把linux系统跑起来，再通过dd命令去烧录emmc。
跟mfgtoos的烧录步骤是差不多的。
现在我把kernel和initramfs都加载起来了，但是在kernel加载fs的时候提示找不到rootfs。

我设置的bootargs如下：

1. setenv loadaddr '0x12000000'
   
2. setenv initrd_addr '0x12C00000'
   
3. setenv initrd_high '0xffffffff'
   
4. setenv fdt_addr '0x18000000'
   
5.   setenv load_file 'zImage_nor'      
   
6. setenv fdt_file 'imx6dl-sabresd.dtb'
   
7. setenv ram_file 'fsl-image-mfgtool-initramfs-imx_mfgtools.cpio.gz.u-boot'
   
8. setenv bootcmd_update ' usb start; fatls usb 0:1; fatload usb 0:1 ${loadaddr} ${load_file};fatload usb 0:1 ${fdt_addr} ${fdt_file};fatload usb 0:1 ${initrd_addr} ${ram_file}; bootz ${loadaddr}  - ${fdt_addr} - ${initrd_addr} '
   
9. setenv bootargs 'console=ttymxc0,115200  rdinit=/linuxrc video=mxcfb0:dev=ldb,bpp=32 video=mxcfb1:off video=mxcfb2:off video=mxcfb3:off vmalloc=256M'
   
10. setenv bootcmd 'run bootcmd_update'
    
11. saveenv

复制代码

run bootcmd
之后kernel 出现错误：

另外通过对比mfgtoos烧录过程的日志发现，我自己编译的kernel在加载是少了两行关键的打印。
Trying to unpack rootfs image as initramfs...
Freeing initrd memory: 7304K (82c01000 - 83323000)
查找代码发现是在populate_rootfs（）函数中打印的。
但是这一段代码是在系统初始化自动加载的啊，不知为何会少了这两行打印。
各位大神帮忙看一看如何解决。。。


Booting Linux on physical CPU 0x0
Linux version 3.14.52+ (zhicaic@T1700) (gcc version 4.8 (GCC) ) #1 SMP PREEMPT Tue Nov 8 17:46:34 CST 2016
CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d
CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
Machine model: Freescale i.MX6 DualLite SABRE Smart Device Board
cma: CMA: reserved 320 MiB at 6a000000
Memory policy: Data cache writealloc
PERCPU: Embedded 8 pages/cpu @eef2d000 s8384 r8192 d16192 u32768
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 520736
Kernel command line: console=ttymxc0,115200  rdinit=/linuxrc video=mxcfb0:dev=ldb,bpp=32 video=mxcfb1ff video=mxcfb2ff video=mxcfb3ff vmalloc=256M
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: 1739872K/2097152K available (6713K kernel code, 356K rwdata, 2260K rodata, 1000K init, 421K bss, 357280K reserved, 278528K highmem)
Virtual kernel memory layout:
    vector  : 0xffff0000 - 0xffff1000   (   4 kB)
    fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)
    vmalloc : 0xef800000 - 0xff000000   ( 248 MB)
    lowmem  : 0x80000000 - 0xef000000   (1776 MB)
    pkmap   : 0x7fe00000 - 0x80000000   (   2 MB)
    modules : 0x7f000000 - 0x7fe00000   (  14 MB)
      .text : 0x80008000 - 0x808cb6cc   (8974 kB)
      .init : 0x808cc000 - 0x809c60c0   (1001 kB)
      .data : 0x809c8000 - 0x80a21380   ( 357 kB)
       .bss : 0x80a2138c - 0x80a8aa30   ( 422 kB)
SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
Preemptible hierarchical RCU implementation.
    RCU restricting CPUs from NR_CPUS=4 to nr_cpu_ids=2.
RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
NR_IRQS:16 nr_irqs:16 16
L310 cache controller enabled
l2x0: 16 ways, CACHE_ID 0x410000c8, AUX_CTRL 0x32050000, Cache size: 512 kB
failed to set parent of clk gpu2d_core_sel to pll2_pfd1_594m: -22
Switching to timer-based delay loop
sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 1431655765682ns
Console: colour dummy device 80x30
Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 4096 (order: 2, 16384 bytes)
Mountpoint-cache hash table entries: 4096 (order: 2, 16384 bytes)
CPU: Testing write buffer coherency: ok
CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
Setting up static identity map for 0x10662140 - 0x10662198
CPU1: Booted secondary processor
CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
Brought up 2 CPUs
SMP: Total of 2 processors activated (12.00 BogoMIPS).
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
cpuidle: using governor ladder
cpuidle: using governor menu
CPU identified as i.MX6DL, silicon rev 1.3
Use WDOG2 as reset source
syscon 20c8000.anatop: regmap [mem 0x020c8000-0x020c8fff] registered
vdd1p1: 800 <--> 1375 mV at 1100 mV
vdd3p0: 2625 <--> 3400 mV at 3000 mV
vdd2p5: 2000 <--> 2750 mV at 2400 mV
vddarm: 725 <--> 1450 mV
vddpu: 725 <--> 1450 mV
vddsoc: 725 <--> 1450 mV
syscon 20e0000.iomuxc-gpr: regmap [mem 0x020e0000-0x020e0037] registered
syscon 21bc000.ocotp-ctrl: regmap [mem 0x021bc000-0x021bffff] registered
hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers.
hw-breakpoint: maximum watchpoint size is 4 bytes.
imx6dl-pinctrl 20e0000.iomuxc: initialized IMX pinctrl driver
bio: create slab <bio-0> at 0
mxs-dma 110000.dma-apbh: initialized
usb_otg_vbus: 5000 mV
usb_h1_vbus: 5000 mV
mipi_dsi_pwr_on: no parameters
sensor-supply: 3300 mV
wlreg_on: no parameters
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
usbphy_nop1.12 supply vcc not found, using dummy regulator
usbphy_nop2.13 supply vcc not found, using dummy regulator
i2c i2c-0: IMX I2C adapter registered
i2c i2c-1: IMX I2C adapter registered
i2c i2c-2: IMX I2C adapter registered
i2c i2c-3: 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 <giometti@linux.it>
PTP clock support registered
imx-ipuv3 2400000.ipu: IPU DMFC NORMAL mode: 1(0~1), 5B(4,5), 5F(6,7)
mxc_mipi_csi2 21dc000.mipi_csi: i.MX MIPI CSI2 driver probed
mxc_mipi_csi2 21dc000.mipi_csi: i.MX MIPI CSI2 dphy version is 0x3130302a
MIPI CSI2 driver module loaded
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: 5, 131072 bytes)
TCP: Hash tables configured (established 16384 bind 16384)
TCP: reno registered
UDP hash table entries: 1024 (order: 3, 32768 bytes)
UDP-Lite hash table entries: 1024 (order: 3, 32768 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.
/*********************那两行代码正常是在这显示打印的********************************/
hw perfevents: enabled with ARMv7_Cortex_A9 PMU driver, 7 counters available
imx rpmsg driver is registered.
Bus freq driver module loaded
futex hash table entries: 512 (order: 3, 32768 bytes)
bounce pool size: 64 pages
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) © 2001-2006 Red Hat, Inc.
fuse init (API version 7.22)
msgmni has been set to 3494
io scheduler noop registered
io scheduler deadline registered
io scheduler cfq registered (default)
imx-weim 21b8000.weim: Driver registered.
pwm-backlight.33 supply power not found, using dummy regulator
ldb ldb.15: split mode
ldb ldb.15: split mode or dual mode, ignoring second output
mxc_mipi_dsi 21e0000.mipi: i.MX MIPI DSI driver probed
MIPI DSI driver module loaded
mxc_sdc_fb fb.30: registered mxc display driver ldb
imx-ipuv3 2400000.ipu: IPU DMFC DP HIGH RESOLUTION: 1(0,1), 5B(2~5), 5F(6,7)
Console: switching to colour frame buffer device 240x67
[fb_show_logo_line] start.....................
[fb_show_logo_line] ...........1..........
[fb_show_logo_line] ...........2..........
image.width:800  image.height:800
drivers/video/fbmem.c-- image.x:560 image.y:140
mxc_sdc_fb fb.31: Can't get fb option for mxcfb1!
imx_epdc_fb 20f4000.epdc: Unable to get display PMIC regulator.err = 0xfffffdfb
imx-sdma 20ec000.sdma: no iram assigned, using external mem
imx-sdma 20ec000.sdma: no event needs to be remapped
imx-sdma 20ec000.sdma: loaded firmware 3.2
imx-sdma 20ec000.sdma: initialized
pfuze100-regulator 1-0008: Full layer: 2, Metal layer: 1
pfuze100-regulator 1-0008: FAB: 0, FIN: 0
pfuze100-regulator 1-0008: pfuze100 found.
SW1AB: 300 <--> 1875 mV at 1175 mV
SW1C: 300 <--> 1875 mV at 1175 mV
SW2: 800 <--> 3300 mV at 3300 mV
SW3A: 400 <--> 1975 mV at 1500 mV
SW3B: 400 <--> 1975 mV at 1500 mV
SW4: 800 <--> 3300 mV at 3150 mV
SWBST: 5000 <--> 5150 mV at 5000 mV
VSNVS: 1000 <--> 3000 mV at 3000 mV
VREFDDR: 750 mV
VGEN1: 800 <--> 1550 mV at 1500 mV
VGEN2: 800 <--> 1550 mV at 1500 mV
VGEN3: 1800 <--> 3300 mV at 2800 mV
VGEN4: 1800 <--> 3300 mV at 1800 mV
VGEN5: 1800 <--> 3300 mV at 3000 mV
VGEN6: 1800 <--> 3300 mV at 3300 mV
Serial: IMX driver
2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 58, base_baud = 5000000) is a IMX
console [ttymxc0] enabled
21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 59, base_baud = 5000000) is a IMX
21ec000.serial: ttymxc2 at MMIO 0x21ec000 (irq = 60, base_baud = 5000000) is a IMX
21f0000.serial: ttymxc3 at MMIO 0x21f0000 (irq = 61, base_baud = 5000000) is a IMX
21f4000.serial: ttymxc4 at MMIO 0x21f4000 (irq = 62, base_baud = 5000000) is a IMX
serial: Freescale lpuart driver
imx sema4 driver is registered.
[drm] Initialized drm 1.1.0 20060810
[drm] Initialized vivante 1.0.0 20120216 on minor 0
brd: module loaded
loop: module loaded
m25p80 spi0.0: mx25l6405d (8192 Kbytes)
3 ofpart partitions found on MTD device spi0.0
Creating 3 MTD partitions on "spi0.0":
0x000000000000-0x0000000c0000 : "U-Boot"
0x0000000c0000-0x0000000e0000 : "env"
0x0000000e0000-0x000000800000 : "splash"
spi_imx 2008000.ecspi: probed
2188000.ethernet supply phy not found, using dummy regulator
pps pps0: new PPS source ptp0
fec 2188000.ethernet (unregistered net_device): Invalid MAC address: 00:00:00:00:00:00
fec 2188000.ethernet (unregistered net_device): Using random MAC address: a6:04:5f:cf:c9:5e
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
2184800.usbmisc supply vbus-wakeup 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
mousedev: PS/2 mouse device common for all mice
snvs_rtc 20cc034.snvs-rtc-lp: can't get snvs-rtc clock
snvs_rtc 20cc034.snvs-rtc-lp: rtc core: registered 20cc034.snvs-rtc-lp as rtc0
i2c /dev entries driver
IR NEC protocol handler initialized
IR RC5(x) protocol handler initialized
IR RC6 protocol handler initialized
IR JVC protocol handler initialized
IR Sony protocol handler initialized
IR RC5 (streamzap) protocol handler initialized
IR SANYO protocol handler initialized
IR MCE Keyboard/mouse protocol handler initialized
mxc_v4l2_output v4l2_out.36: V4L2 device registered as video16
mxc_v4l2_output v4l2_out.36: V4L2 device registered as video17
imx2-wdt 20c0000.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 2194000.usdhc: assigned as wifi host
[czc]******* host->max_clk=25000000  *******
[czc]**5***** mmc->f_min=48339  *******
mmc1: no vqmmc regulator found
mmc1: no vmmc regulator found
mmc1: SDHCI controller on 2194000.usdhc [2194000.usdhc] using ADMA
[czc]******* host->max_clk=25000000  *******
[czc]**5***** mmc->f_min=48339  *******
mmc2: no vqmmc regulator found
mmc2: no vmmc regulator found
mmc2: SDHCI controller on 2198000.usdhc [2198000.usdhc] using ADMA
[czc]******* host->max_clk=25000000  *******
[czc]**5***** mmc->f_min=48339  *******
mmc3: no vqmmc regulator found
mmc3: no vmmc regulator found
mmc3: SDHCI controller on 219c000.usdhc [219c000.usdhc] using ADMA
galcore: clk_get vg clock failed, disable vg!
Galcore version 5.0.11.33433
mmc3: BKOPS_EN bit is not set
mmc3: new high speed DDR MMC card at address 0001
mmcblk3: mmc3:0001 AWPD3R 14.5 GiB
mmcblk3boot0: mmc3:0001 AWPD3R partition 1 4.00 MiB
mmcblk3boot1: mmc3:0001 AWPD3R partition 2 4.00 MiB
mmcblk3rpmb: mmc3:0001 AWPD3R partition 3 4.00 MiB
mmcblk3: p1 p2 p3 < p5 p6 p7 p8 p9 > p4
mmcblk3: p4 size 7368704 extends beyond EOD, truncated
mmcblk3boot1: unknown partition table
mmcblk3boot0: unknown partition table
usb 1-1: new low-speed USB device number 2 using ci_hdrc
mxc_vdoa 21e4000.vdoa: i.MX Video Data Order Adapter(VDOA) driver probed
mxc_vpu 2040000.vpu: VPU initialized
leds-gpio leds.22: Skipping unavailable LED gpio -2 (charger-led)
usbcore: registered new interface driver usbhid
usbhid: USB HID core driver
TCP: cubic registered
NET: Registered protocol family 10
sit: IPv6 over IPv4 tunneling driver
NET: Registered protocol family 17
Key type dns_resolver registered
failed to disable 1.2 GHz OPP
Registering SWP/SWPB emulation handler
VGEN3: disabling
VGEN2: disabling
VGEN1: disabling
SWBST: disabling
SW4: disabling
wlreg_on: disabling
sensor-supply: disabling
usb_otg_vbus: disabling
regulator-dummy: disabling
imx mcc test is registered.
Number of LUNs=8
Mass Storage Function, version: 2009/09/11
LUN: removable file: (no medium)
Number of LUNs=1
no file given for LUN0
g_mass_storage ci_hdrc.0: failed to start g_mass_storage: -22
input: gpio-keys.27 as /devices/soc0/gpio-keys.27/input/input0
usb 1-1: device no response, device descriptor read/64, error -71
snvs_rtc 20cc034.snvs-rtc-lp: setting system clock to 1970-01-01 00:00:00 UTC (0)
ALSA device list:
  No soundcards found.
VFS: Cannot open root device "(null)" or unknown-block(0,0): error -6
Please append a correct "root=" boot option; here are the available partitions:
1f00             768 mtdblock0  (driver?)
1f01             128 mtdblock1  (driver?)
1f02            7296 mtdblock2  (driver?)
b300        15267840 mmcblk3  driver: mmcblk
  b301           16383 mmcblk3p1 00000000-01
  b302           16384 mmcblk3p2 00000000-02
  b303               1 mmcblk3p3
  b304         3643392 mmcblk3p4 00000000-04
  b305          524287 mmcblk3p5 00000000-05
  b306          524287 mmcblk3p6 00000000-06
  b307            8191 mmcblk3p7 00000000-07
  b308            8191 mmcblk3p8 00000000-08
  b309        10485759 mmcblk3p9 00000000-09
b330            4096 mmcblk3rpmb  (driver?)
b320            4096 mmcblk3boot1  (driver?)
b310            4096 mmcblk3boot0  (driver?)
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
CPU1: stopping
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 3.14.52+ #1
[<800150ec>] (unwind_backtrace) from [<80011c08>] (show_stack+0x10/0x14)
[<80011c08>] (show_stack) from [<8065c4cc>] (dump_stack+0x7c/0xbc)
[<8065c4cc>] (dump_stack) from [<80013ff8>] (handle_IPI+0x1a8/0x1c0)
[<80013ff8>] (handle_IPI) from [<800085c4>] (gic_handle_irq+0x58/0x5c)
[<800085c4>] (gic_handle_irq) from [<80012700>] (__irq_svc+0x40/0x70)
Exception stack(0xd60a3f50 to 0xd60a3f98)
3f40:                                     d60a3f98 00000001 8818eea4 00000000
3f60: 83f0b2a2 00000000 eef36110 809d65d4 00000001 eef36114 d60a2000 d60a2000
3f80: 00000017 d60a3f98 80078b04 80472174 60000113 ffffffff
[<80012700>] (__irq_svc) from [<80472174>] (cpuidle_enter_state+0x50/0xe0)
[<80472174>] (cpuidle_enter_state) from [<80472300>] (cpuidle_idle_call+0xfc/0x150)
[<80472300>] (cpuidle_idle_call) from [<8000f10c>] (arch_cpu_idle+0x8/0x44)
[<8000f10c>] (arch_cpu_idle) from [<8006d5b8>] (cpu_startup_entry+0x104/0x150)
[<8006d5b8>] (cpu_startup_entry) from [<10008664>] (0x10008664)
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1 at kernel/time/tick-broadcast.c:604 tick_handle_oneshot_broadcast+0x1a8/0x1d0()
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.14.52+ #1
[<800150ec>] (unwind_backtrace) from [<80011c08>] (show_stack+0x10/0x14)
[<80011c08>] (show_stack) from [<8065c4cc>] (dump_stack+0x7c/0xbc)
[<8065c4cc>] (dump_stack) from [<80033950>] (warn_slowpath_common+0x6c/0x88)
[<80033950>] (warn_slowpath_common) from [<80033a08>] (warn_slowpath_null+0x1c/0x24)
[<80033a08>] (warn_slowpath_null) from [<80080964>] (tick_handle_oneshot_broadcast+0x1a8/0x1d0)
[<80080964>] (tick_handle_oneshot_broadcast) from [<8001e4e0>] (mxc_timer_interrupt+0x38/0x40)
[<8001e4e0>] (mxc_timer_interrupt) from [<8006dec4>] (handle_irq_event_percpu+0x54/0x180)
[<8006dec4>] (handle_irq_event_percpu) from [<8006e02c>] (handle_irq_event+0x3c/0x5c)
[<8006e02c>] (handle_irq_event) from [<80070ea0>] (handle_fasteoi_irq+0x84/0x14c)
[<80070ea0>] (handle_fasteoi_irq) from [<8006d640>] (generic_handle_irq+0x2c/0x3c)
[<8006d640>] (generic_handle_irq) from [<8000ecc8>] (handle_IRQ+0x40/0x90)
[<8000ecc8>] (handle_IRQ) from [<80008598>] (gic_handle_irq+0x2c/0x5c)
[<80008598>] (gic_handle_irq) from [<80012700>] (__irq_svc+0x40/0x70)
Exception stack(0xd6081d78 to 0xd6081dc0)
1d60:                                                       00000000 00000000
1d80: 00000101 d6080000 00000082 0000001d 00000000 d6080000 00000000 809ca080
1da0: fffffffa 00000000 80a243c0 d6081dc0 800377e0 800377f0 20000113 ffffffff
[<80012700>] (__irq_svc) from [<800377f0>] (__do_softirq+0xc8/0x248)
[<800377f0>] (__do_softirq) from [<80037c30>] (irq_exit+0xb8/0xf4)
[<80037c30>] (irq_exit) from [<8000eccc>] (handle_IRQ+0x44/0x90)
[<8000eccc>] (handle_IRQ) from [<80008598>] (gic_handle_irq+0x2c/0x5c)
[<80008598>] (gic_handle_irq) from [<80012700>] (__irq_svc+0x40/0x70)
Exception stack(0xd6081e48 to 0xd6081e90)
1e40:                   00000001 00000000 00000001 00000000 80a23f38 807cc810
1e60: d6648000 00000000 00000000 80a23f38 fffffffa 00000000 00000000 d6081e90
1e80: 8006b80c 8065a008 60000113 ffffffff
[<80012700>] (__irq_svc) from [<8065a008>] (panic+0x164/0x1bc)
[<8065a008>] (panic) from [<808cd020>] (mount_block_root+0x1a0/0x230)
[<808cd020>] (mount_block_root) from [<808cd2a4>] (mount_root+0x108/0x110)
[<808cd2a4>] (mount_root) from [<808cd43c>] (prepare_namespace+0x190/0x1d8)
[<808cd43c>] (prepare_namespace) from [<808cccdc>] (kernel_init_freeable+0x1c8/0x1d8)
[<808cccdc>] (kernel_init_freeable) from [<80658474>] (kernel_init+0x8/0xf0)
[<80658474>] (kernel_init) from [<8000e480>] (ret_from_fork+0x14/0x34)
---[ end trace 647e91f949723728 ]---

我知道答案 目前已有2人回答

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lixuhui112

bootz ${loadaddr}  - ${fdt_addr} - ${initrd_addr} ， 错了，应该是
bootz ${loadaddr}  ${initrd_addr}  ${fdt_addr}注意不要有“-” ，“-”是表示缺失

街头浪子

lixuhui112 发表于 2017-5-22 15:29
bootz ${loadaddr}  - ${fdt_addr} - ${initrd_addr} ， 错了，应该是
bootz ${loadaddr}  ${initrd_addr}  ...

对头，之前在网上找资料时看到别人在几个地址之间加了个-，
后面在uboot的代码中发现并没有使用-，所以取消了就好了。