-----Original Message----- From: Celadon [mailto:celadon-bounces@lists.01.org] On Behalf Of Tapani Pälli Sent: Friday, May 10, 2019 5:28 PM To: Tan, Ming <ming.tan(a)intel.com&gt;; celadon(a)lists.01.org Subject: Re: [01.org Celadon] Use USB serial port to get log Hi; Thanks a lot for enabling this! // Tapani On 5/9/19 9:08 AM, Tan, Ming wrote: > Dear all: > >   In general, we use serial port log to debug some boot issue. > >   But if the device has not native serial port, such as APL NUC, then > we have to use the USB serial port convertor. > >   However, you can get log only after the kernel load the USB serial > port convertor driver. If the kernel crash before load the driver, > then you have to check log in screen. > >   In the cel_apl lunch target, default use ttyUSB0, and the other > lunch targets are use ttyS0. > >   Now support FTDI or PL2303 chip based USB serial port convertor. > You can enable others as you needed. > >   Some USB serial convertor: > >     1. FTDI: https://item.jd.com/10415462066.html > >     2. PL2303: https://item.jd.com/1309051.html > >   BR/Tan Ming. > > Software Engineer, IAGS/SSP/Android > > Mobile: +86 13651977713. > > -- Celadon mailing list Celadon(a)lists.01.org https://lists.01.org/mailman/listinfo/celadon