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I'm trying to port newer kernel versions onto my Nexus S device.

Most newer kernels panic very early on in the boot process. I would like to debug this. However, since the phone has been provided to me by my school, I cannot get a hold of a serial port (if it does exist..not sure)

Is there any way I can obtain the messages via usb onto my PC?

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    This sounds like a rather development-related issue. As we here are dealing with the end-user, Stack Overflow might be a better place to ask this (also better chances for developer-related answers ;)
    – Izzy
    Aug 25 '13 at 21:02
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    @Izzy It could be from a user perspective too. What if he just wanted a way to see the logs as soon as he turned on the PC? Could it be done via adb?
    – geffchang
    Aug 26 '13 at 0:02
  • Porting a kernel is close enough to development for it to be on topic at Stack Overflow, there are people at SO who would be able to give you a lot better answers than we could, we are just trying to make sure you get the best answer for your question.
    – John
    Aug 26 '13 at 1:31
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This site describes how to get access to the serial console on the Nexus S, which is really the only way of debugging boot problems. It's not for the faint-hearted, though: you need a UART-to-USB module, with resistors connected across certain pins, all connected to your phone. If you screw it up you will blow up the phone.

The same information's also mirrored here, in case the first site should disappear.

BTW, if you'd tried asking this on Stack Overflow instead of here, you'd have found this duplicate question which has the same link I just found :-)

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