[yocto] Id "s0" respawning too fast on Raspberry pi3

[ChenQi]

On 08/22/2018 12:24 PM, benxi wrote:
> Hello Everyone,
>     I build a rpi-hwup-image and run it on my raspberry pi3(Model B 
> V1.2). After the system boots up, I keep seeing such message:
>   INIT: Id "S0" respawning too fast: disabled for 5 minutes.
>   I notice that yocto adds the following line to /etc/inittab when 
> install sysvinit, since Serial_Console was set in raspberrypi3-64.conf:
>   S0:12345:respawn:/bin/start_getty 115200 ttyS0 vt102
>  I try to add ENABLE_UART = "1" in local.conf but the message keeps 
> coming. The message can be eliminated by commenting out the 
> corresponding line in /etc/inittab.
>  So, is this a bug of meta-raspberrypi? Is there anyway to fix it 
> without modifying sysvinit's recipes and /etc/inittab?
>
>

Could you please check the SERIAL_CONSOLES variable to see if modifying 
its value could solve the problem?

Best Regards,
Chen Qi

>
>

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