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I met a strange problem when i started up a android device. Below is the log i got from the console port. I found it took more than 4 minutes for function rknand_buffer_thread executed. But before with the same device, it only takes only 10 seconds. Is there anyone meeting this issue? Why it happens and what this function is used for? My android version is 4.2.

[ 13.430222] init: sys_prop: permission denied uid:1003 name:media.cfg.audio.soundeffect

[ 17.935034] warning: `zygote' uses 32-bit capabilities (legacy support in use)

[ 26.592006] rknand_buffer_thread write data begin 224000 0

[ 278.908582] request_suspend_state: wakeup (3->0) at 278857509285 (2000-01-01 00:04:56.640167033 UTC)

[ 280.226573] Current WiFi chip is AP6210. [ 280.232740] init: no such service 'dhcpcd_'

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Finally I got the reason. Because i called a API function which needs WAN, so it retrys all the time during android starting up.

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