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

[benxi]

Hi Qi,
Thanks for your reply. It indeed solves the problem, however I'm afraid that modifying SERIAL_CONSOLES can have side effects on other recipes. I also wonder if there 're any way to enable ttyS0 on my raspberry pi(Since ENABLE_UART doesn't work).

在 2018-08-22 15:59:44，"ChenQi" <Qi.Chen at windriver.com> 写道：

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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