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.c...@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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