内核启动卡在半路
1.371596] hub 1-0:1.0: 1 port detected[ 1.372515] xhci-hcd xhci-hcd.10.auto: xHCI Host Controller
[ 1.373598] xhci-hcd xhci-hcd.10.auto: new USB bus registered, assigned bus number 2
[ 1.374550] usb usb2: We don't know the algorithms for LPM for this host, disabling LPM.
[ 1.375683] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003
[ 1.376332] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.376993] usb usb2: Product: xHCI Host Controller
[ 1.377441] usb usb2: Manufacturer: Linux 4.4.167 xhci-hcd
[ 1.377958] usb usb2: SerialNumber: xhci-hcd.10.auto
[ 1.379573] hub 2-0:1.0: USB hub found
[ 1.379970] hub 2-0:1.0: 1 port detected
[ 1.381866] xhci-hcd xhci-hcd.10.auto: remove, state 1
[ 1.382343] usb usb2: USB disconnect, device number 1
[ 1.402130] xhci-hcd xhci-hcd.10.auto: Host not halted after 16000 microseconds.
[ 1.402136] xhci-hcd xhci-hcd.10.auto: Host controller not halted, aborting reset.
[ 1.402180] xhci-hcd xhci-hcd.10.auto: USB bus 2 deregistered
[ 1.404101] xhci-hcd xhci-hcd.10.auto: remove, state 1
[ 1.404594] usb usb1: USB disconnect, device number 1
[ 1.405791] xhci-hcd xhci-hcd.10.auto: USB bus 1 deregistered
[ 1.589607] fusb302 4-0022: connection has disconnected
[ 1.629683] phy phy-ff770000.syscon:usb2-phy@e450.3: charger = USB_SDP_CHARGER
[ 1.637572] xhci-hcd xhci-hcd.11.auto: xHCI Host Controller
[ 1.638843] xhci-hcd xhci-hcd.11.auto: new USB bus registered, assigned bus number 1
[ 1.639779] xhci-hcd xhci-hcd.11.auto: hcc params 0x0220fe64 hci version 0x110 quirks 0x06030010
[ 1.640691] xhci-hcd xhci-hcd.11.auto: irq 230, io mem 0xfe900000
[ 1.641766] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 1.642416] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.643091] usb usb1: Product: xHCI Host Controller
[ 1.643542] usb usb1: Manufacturer: Linux 4.4.167 xhci-hcd
[ 1.644063] usb usb1: SerialNumber: xhci-hcd.11.auto
[ 1.645972] hub 1-0:1.0: USB hub found
[ 1.646381] hub 1-0:1.0: 1 port detected
[ 1.647476] xhci-hcd xhci-hcd.11.auto: xHCI Host Controller
[ 1.648562] xhci-hcd xhci-hcd.11.auto: new USB bus registered, assigned bus number 2
[ 1.649441] usb usb2: We don't know the algorithms for LPM for this host, disabling LPM.
[ 1.650444] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003
[ 1.651093] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.651743] usb usb2: Product: xHCI Host Controller
[ 1.652217] usb usb2: Manufacturer: Linux 4.4.167 xhci-hcd
[ 1.652714] usb usb2: SerialNumber: xhci-hcd.11.auto
[ 1.654673] hub 2-0:1.0: USB hub found
[ 1.655110] hub 2-0:1.0: 1 port detected
[ 1.656583] xhci-hcd xhci-hcd.11.auto: remove, state 1
[ 1.657114] usb usb2: USB disconnect, device number 1
[ 1.659012] xhci-hcd xhci-hcd.11.auto: USB bus 2 deregistered
[ 1.659914] xhci-hcd xhci-hcd.11.auto: remove, state 1
[ 1.660409] usb usb1: USB disconnect, device number 1
[ 1.662339] xhci-hcd xhci-hcd.11.auto: USB bus 1 deregistered
[ 1.667875] ehci-platform fe380000.usb: EHCI Host Controller
[ 1.668782] ehci-platform fe380000.usb: new USB bus registered, assigned bus number 1
[ 1.669745] ehci-platform fe380000.usb: irq 28, io mem 0xfe380000
[ 1.675957] ehci-platform fe380000.usb: USB 2.0 started, EHCI 1.00
[ 1.676960] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 1.677579] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.678261] usb usb1: Product: EHCI Host Controller
[ 1.678712] usb usb1: Manufacturer: Linux 4.4.167 ehci_hcd
[ 1.679234] usb usb1: SerialNumber: fe380000.usb
[ 1.680889] hub 1-0:1.0: USB hub found
[ 1.681294] hub 1-0:1.0: 1 port detected
[ 1.687197] ehci-platform fe3c0000.usb: EHCI Host Controller
[ 1.688153] ehci-platform fe3c0000.usb: new USB bus registered, assigned bus number 2
[ 1.689116] ehci-platform fe3c0000.usb: irq 30, io mem 0xfe3c0000
[ 1.694955] ehci-platform fe3c0000.usb: USB 2.0 started, EHCI 1.00
[ 1.695969] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
[ 1.696588] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.697323] usb usb2: Product: EHCI Host Controller
[ 1.697879] usb usb2: Manufacturer: Linux 4.4.167 ehci_hcd
[ 1.698411] usb usb2: SerialNumber: fe3c0000.usb
[ 1.700187] hub 2-0:1.0: USB hub found
[ 1.700666] hub 2-0:1.0: 1 port detected
[ 1.703106] ohci-platform fe3a0000.usb: Generic Platform OHCI controller
[ 1.704268] ohci-platform fe3a0000.usb: new USB bus registered, assigned bus number 3
[ 1.705335] ohci-platform fe3a0000.usb: irq 29, io mem 0xfe3a0000
[ 1.751474] vendor storage:20160801 ret = 0
[ 1.760385] usb usb3: New USB device found, idVendor=1d6b, idProduct=0001
[ 1.761153] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.761902] usb usb3: Product: Generic Platform OHCI controller
[ 1.762514] usb usb3: Manufacturer: Linux 4.4.167 ohci_hcd
[ 1.763104] usb usb3: SerialNumber: fe3a0000.usb
[ 1.764912] hub 3-0:1.0: USB hub found
[ 1.765361] hub 3-0:1.0: 1 port detected
[ 1.767877] ohci-platform fe3e0000.usb: Generic Platform OHCI controller
[ 1.769005] ohci-platform fe3e0000.usb: new USB bus registered, assigned bus number 4
[ 1.770068] ohci-platform fe3e0000.usb: irq 31, io mem 0xfe3e0000
[ 1.825398] usb usb4: New USB device found, idVendor=1d6b, idProduct=0001
[ 1.825415] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.825428] usb usb4: Product: Generic Platform OHCI controller
[ 1.825441] usb usb4: Manufacturer: Linux 4.4.167 ohci_hcd
[ 1.825453] usb usb4: SerialNumber: fe3e0000.usb
[ 1.826893] hub 4-0:1.0: USB hub found
[ 1.826971] hub 4-0:1.0: 1 port detected
[ 1.830193] dwmmc_rockchip fe310000.dwmmc: IDMAC supports 32-bit address mode.
[ 1.831042] dwmmc_rockchip fe310000.dwmmc: Using internal DMA controller.
[ 1.831066] dwmmc_rockchip fe310000.dwmmc: Version ID is 270a
[ 1.831124] dwmmc_rockchip fe310000.dwmmc: DW MMC controller at irq 25,32 bit host data width,256 deep fifo
[ 1.831323] dwmmc_rockchip fe310000.dwmmc: No vmmc regulator found
[ 1.831334] dwmmc_rockchip fe310000.dwmmc: No vqmmc regulator found
[ 1.832091] dwmmc_rockchip fe310000.dwmmc: allocated mmc-pwrseq
[ 1.846048] mmc_host mmc2: Bus speed (slot 0) = 400000Hz (slot req 400000Hz, actual 400000HZ div = 0)
[ 1.857139] dwmmc_rockchip fe310000.dwmmc: 1 slots initialized
[ 1.859701] rockchip-dmc dmc: Failed to get leakage
[ 1.859930] rockchip-dmc dmc: Failed to get pvtm
[ 1.860581] rockchip-dmc dmc: failed to get vop bandwidth to dmc rate
[ 1.861300] rockchip-dmc dmc: failed to get vop pn to msch rl
[ 1.862426] rockchip-dmc dmc: could not find power_model node
[ 1.865538] ==gsl_ts_init==
[ 1.865674] ret=0
[ 1.867893] rk808-rtc rk808-rtc: setting system clock to 2013-01-18 08:50:44 UTC (1358499044)
[ 1.884034] mmc_host mmc2: Bus speed (slot 0) = 300000Hz (slot req 300000Hz, actual 300000HZ div = 0)
[ 1.896044] vcc_mipi: disabling
[ 1.896355] dvdd_1v2: disabling
ú 1.899465]
[ 1.922940] mmc_host mmc2: Bus speed (slot 0) = 200000Hz (slot req 200000Hz, actual 200000HZ div = 0)
[ 1.967031] mmc_host mmc2: Bus speed (slot 0) = 100000Hz (slot req 100000Hz, actual 100000HZ div = 0)
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就卡在了上面的地方。 像这种内核启动过程中卡死一般是什么原因啊。是内核配置和设备树配置不一致导致的嘛？ 将emmc降速
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