Quote:
Originally Posted by trex_daemon
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The flashing completed successfully, it boots up (screen flashes, loading screen appears, but the progress bar stops again at 20%).
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I'm thinking to connect to the serial port, to check the kernel debug output. Maybe there i can do something.
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Isn't there a way to write the kernel log to the SD partition to check it later (I can get to the debug menu, where I can mount the internal SD and it's visible from windows).
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1) Which is where it typically stops when it checks if the battery's storage capacity is enough to run it.
Buy it a new battery. -- The step your Uncle missed.
(It wasn't "drained" but it certainly had aged before you got it.)
2) That would be a good idea, the kernel's ring buffer will have the battery info in it.
And anything else that might be blocking the boot-up process.
Also, there is a chance it is waiting for input on the serial port to confirm that it should continue the boot process under whatever condition it is finding.
3) In "Debug mode" on a K3 - you are running the Linux kernel with only different init scripting. (K3 does not have "main" and "debug" systems - just different init scripting).
One of the differences - -
It does not check the battery storage capacity nor set-up the battery management hardware the same.