TI工程师们，下午好。

我在移植SDK3.0 linux4.4内核时发现内核执行到INIT: version 2.88 booting就卡住了，

请问是什么原因呢?

以下是打印LOG:

Starting kernel ...

[ 0.000000] Booting Linux on physical CPU 0x0

[ 0.000000] Initializing cgroup subsys cpu

[ 0.000000] Initializing cgroup subsys cpuacct

[ 0.000000] Linux version 4.4.19-gdb0b54cdad (jalyn@ubuntu) (gcc version 5.3.1 20160113 (Linaro GCC 5.3-2016.02) ) #2 PREEMPT Thu Feb 9 19:18:19 PST 2017

[ 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: TI AM335x BeagleBone Black

[ 0.000000] cma: Reserved 24 MiB at 0x9e800000

[ 0.000000] Memory policy: Data cache writeback

[ 0.000000] CPU: All CPU(s) started in SVC mode.

[ 0.000000] AM335X ES2.1 (neon )

[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 129920

[ 0.000000] Kernel command line: console=ttyS0,115200n8 root=/dev/mmcblk0p2 ro rootfstype=ext4 rootwait

[ 0.000000] PID hash table entries: 2048 (order: 1, 8192 bytes)

[ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)

[ 0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)

[ 0.000000] Memory: 484684K/524288K available (6551K kernel code, 314K rwdata, 2328K rodata, 268K init, 265K bss, 15028K reserved, 24576K 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 : 0xe0800000 - 0xff800000 ( 496 MB)

[ 0.000000] lowmem : 0xc0000000 - 0xe0000000 ( 512 MB)

[ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)

[ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)

[ 0.000000] .text : 0xc0008000 - 0xc08b4004 (8881 kB)

[ 0.000000] .init : 0xc08b5000 - 0xc08f8000 ( 268 kB)

[ 0.000000] .data : 0xc08f8000 - 0xc0946b10 ( 315 kB)

[ 0.000000] .bss : 0xc0946b10 - 0xc0989258 ( 266 kB)

[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1

[ 0.000000] Preemptible hierarchical RCU implementation.

[ 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 24000000 Hz

[ 0.000012] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns

[ 0.000030] clocksource: timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns

[ 0.000040] OMAP clocksource: timer1 at 24000000 Hz

[ 0.000185] clocksource_probe: no matching clocksources found

[ 0.000337] Console: colour dummy device 80x30

[ 0.000370] Calibrating delay loop... 996.14 BogoMIPS (lpj=4980736)

[ 0.089233] pid_max: default: 32768 minimum: 301

[ 0.089341] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)

[ 0.089351] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)

[ 0.089959] Initializing cgroup subsys io

[ 0.089990] Initializing cgroup subsys memory

[ 0.090024] Initializing cgroup subsys devices

[ 0.090039] Initializing cgroup subsys freezer

[ 0.090051] Initializing cgroup subsys perf_event

[ 0.090063] Initializing cgroup subsys pids

[ 0.090086] CPU: Testing write buffer coherency: ok

[ 0.090449] Setting up static identity map for 0x80008200 - 0x80008258

[ 0.092260] devtmpfs: initialized

[ 0.102127] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3

[ 0.114904] omap_hwmod: debugss: _wait_target_disable failed

[ 0.169757] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns

[ 0.171693] pinctrl core: initialized pinctrl subsystem

[ 0.172816] NET: Registered protocol family 16

[ 0.174592] DMA: preallocated 256 KiB pool for atomic coherent allocations

[ 0.199227] cpuidle: using governor ladder

[ 0.229216] cpuidle: using governor menu

[ 0.233002] OMAP GPIO hardware version 0.1

[ 0.240766] hw-breakpoint: debug architecture 0x4 unsupported.

[ 0.276172] edma 49000000.edma: TI EDMA DMA engine driver

[ 0.279082] omap_i2c 44e0b000.i2c: could not find pctldev for node /ocp/l4_wkup@44c00000/scm@210000/pinmux@800/pinmux_i2c0_pins, deferring probe

[ 0.279133] omap_i2c 4819c000.i2c: could not find pctldev for node /ocp/l4_wkup@44c00000/scm@210000/pinmux@800/pinmux_i2c2_pins, deferring probe

[ 0.279360] media: Linux media interface: v0.10

[ 0.279416] Linux video capture interface: v2.00

[ 0.279459] pps_core: LinuxPPS API ver. 1 registered

[ 0.279466] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti

[ 0.279489] PTP clock support registered

[ 0.279534] EDAC MC: Ver: 3.0.0

[ 0.280531] omap-mailbox 480c8000.mailbox: omap mailbox rev 0x400

[ 0.280800] Advanced Linux Sound Architecture Driver Initialized.

[ 0.281832] clocksource: Switched to clocksource timer1

[ 0.290873] NET: Registered protocol family 2

[ 0.291565] TCP established hash table entries: 4096 (order: 2, 16384 bytes)

[ 0.291612] TCP bind hash table entries: 4096 (order: 2, 16384 bytes)

[ 0.291650] TCP: Hash tables configured (established 4096 bind 4096)

[ 0.291719] UDP hash table entries: 256 (order: 0, 4096 bytes)

[ 0.291736] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)

[ 0.291929] NET: Registered protocol family 1

[ 0.292287] RPC: Registered named UNIX socket transport module.

[ 0.292300] RPC: Registered udp transport module.

[ 0.292306] RPC: Registered tcp transport module.

[ 0.292311] RPC: Registered tcp NFSv4.1 backchannel transport module.

[ 0.293136] hw perfevents: enabled with armv7_cortex_a8 PMU driver, 5 counters available

[ 0.294717] futex hash table entries: 256 (order: -1, 3072 bytes)

[ 0.301462] squashfs: version 4.0 (2009/01/31) Phillip Lougher

[ 0.302455] NFS: Registering the id_resolver key type

[ 0.302521] Key type id_resolver registered

[ 0.302529] Key type id_legacy registered

[ 0.302596] ntfs: driver 2.1.32 [Flags: R/O].

[ 0.305796] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248)

[ 0.305833] io scheduler noop registered

[ 0.305847] io scheduler deadline registered

[ 0.305981] io scheduler cfq registered (default)

[ 0.307068] pinctrl-single 44e10800.pinmux: 142 pins at pa f9e10800 size 568

[ 0.359034] Serial: 8250/16550 driver, 10 ports, IRQ sharing disabled

[ 0.362662] console [ttyS0] disabled

[ 0.362750] 44e09000.serial: ttyS0 at MMIO 0x44e09000 (irq = 158, base_baud = 3000000) is a 8250

[ 0.955415] console [ttyS0] enabled

[ 0.959753] [drm] Initialized drm 1.1.0 20060810

[ 0.970769] loop: module loaded

[ 0.975958] libphy: Fixed MDIO Bus: probed

[ 1.041898] davinci_mdio 4a101000.mdio: davinci mdio revision 1.6

[ 1.048036] davinci_mdio 4a101000.mdio: no live phy, scanning all

[ 1.054483] davinci_mdio: probe of 4a101000.mdio failed with error -5

[ 1.074883] cpsw 4a100000.ethernet: Detected MACID = 90:59:af:91:ce:26

[ 1.096352] mousedev: PS/2 mouse device common for all mice

[ 1.102676] i2c /dev entries driver

[ 1.107020] cpuidle: enable-method property 'ti,am3352' found operations

[ 1.114586] omap_hsmmc 48060000.mmc: Got CD GPIO

[ 1.188959] mmc0: host does not support reading read-only switch, assuming write-enable

[ 1.197565] ledtrig-cpu: registered to indicate activity on CPUs

[ 1.205652] mmc0: new high speed SDHC card at address 0007

[ 1.211792] NET: Registered protocol family 10

[ 1.217232] mmcblk0: mmc0:0007 SD16G 14.5 GiB

[ 1.222498] sit: IPv6 over IPv4 tunneling driver

[ 1.227798] NET: Registered protocol family 17

[ 1.233285] Key type dns_resolver registered

[ 1.237722] mmcblk0: p1 p2

[ 1.241052] omap_voltage_late_init: Voltage driver support not added

[ 1.278892] tps65217 0-0024: TPS65217 ID 0xe version 1.2

[ 1.284571] at24 0-0050: 32768 byte 24c256 EEPROM, writable, 1 bytes/write

[ 1.291782] omap_i2c 44e0b000.i2c: bus 0 rev0.11 at 400 kHz

[ 1.298670] at24 2-0054: 32768 byte 24c256 EEPROM, writable, 1 bytes/write

[ 1.305855] at24 2-0055: 32768 byte 24c256 EEPROM, writable, 1 bytes/write

[ 1.313018] at24 2-0056: 32768 byte 24c256 EEPROM, writable, 1 bytes/write

[ 1.320066] at24 2-0057: 32768 byte 24c256 EEPROM, writable, 1 bytes/write

[ 1.327037] mmc1: MAN_BKOPS_EN bit is not set

[ 1.331454] omap_i2c 4819c000.i2c: bus 2 rev0.11 at 100 kHz

[ 1.338335] core: _opp_supported_by_regulators: OPP minuV: 1176000 maxuV: 1224000, not supported by regulator

[ 1.348496] cpu cpu0: _opp_add: OPP not supported by regulators (720000000)

[ 1.355666] core: _opp_supported_by_regulators: OPP minuV: 1234800 maxuV: 1285200, not supported by regulator

[ 1.365715] mmc1: new high speed MMC card at address 0001

[ 1.371456] cpu cpu0: _opp_add: OPP not supported by regulators (800000000)

[ 1.378786] mmcblk1: mmc1:0001 MMC04G 3.60 GiB

[ 1.383517] cpufreq: cpufreq_online: CPU0: Running at unlisted freq: 1000000 KHz

[ 1.390974] cpu cpu0: dev_pm_opp_domain_set_rate: failed to find current OPP for freq 1000000000 (-34)

[ 1.400612] mmcblk1boot0: mmc1:0001 MMC04G partition 1 2.00 MiB

[ 1.406822] mmcblk1boot1: mmc1:0001 MMC04G partition 2 2.00 MiB

[ 1.413908] mmcblk1: p1 p2

[ 1.418306] cpufreq: cpufreq_online: CPU0: Unlisted initial frequency changed to: 600000 KHz

[ 1.429365] hctosys: unable to open rtc device (rtc0)

[ 1.439156] ALSA device list:

[ 1.442338] No soundcards found.

[ 1.466417] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)

[ 1.474754] VFS: Mounted root (ext4 filesystem) readonly on device 179:2.

[ 1.486716] devtmpfs: mounted

[ 1.490172] Freeing unused kernel memory: 268K (c08b5000 - c08f8000)

[ 1.496598] This architecture does not have kernel memory protection.

INIT: version 2.88 booting