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lichee nano pi Waiting for root device /dev/mtdblock3.无限卡住

[ 1.057052] sun4i-drm display-engine: bound 1c0c000.lcd-controller (ops 0xc0738b08)
[ 1.064804] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 1.071555] [drm] No driver support for vblank timestamp query.
[ 1.125946] Console: switching to colour frame buffer device 60x34
[ 1.149652] sun4i-drm display-engine: fb0: frame buffer device
[ 1.157228] [drm] Initialized sun4i-drm 1.0.0 20150629 for display-engine on minor 0
[ 1.179330] usb_phy_generic usb_phy_generic.0.auto: usb_phy_generic.0.auto supply vcc not found, using dummy regulator
[ 1.210653] musb-hdrc musb-hdrc.1.auto: MUSB HDRC host driver
[ 1.229788] musb-hdrc musb-hdrc.1.auto: new USB bus registered, assigned bus number 1
[ 1.253283] hub 1-0:1.0: USB hub found
[ 1.264103] hub 1-0:1.0: 1 port detected
[ 1.276432] using random self ethernet address
[ 1.287654] using random host ethernet address
[ 1.300503] usb0: HOST MAC 06:7c:f4:73:66:ef
[ 1.311567] usb0: MAC 6a:ce:ba:9c:cd:df
[ 1.321945] g_cdc gadget: CDC Composite Gadget, version: King Kamehameha Day 2008
[ 1.342113] g_cdc gadget: g_cdc ready
[ 1.353051] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[ 1.383605] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[ 1.403341] vcc3v3: disabling
[ 1.412897] ALSA device list:
[ 1.422253] #0: Loopback 1
[ 1.432260] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
[ 1.453393] cfg80211: failed to load regulatory.db
[ 1.465512] Waiting for root device /dev/mtdblock3...