[Letux-kernel] Oops while booting 5.15.2 on Nokia N900

Sebastian Reichel sre at kernel.org
Sat Dec 11 23:21:10 CET 2021


Hi,

On Sat, Dec 11, 2021 at 01:09:20PM +0100, H. Nikolaus Schaller wrote:
> Hi Sebastian,
> I have found an old N900 and thought about trying to boot it. It shows "Nokia" on the screen,
> the vibra does a short rumble and then screen goes black (backlight remains enabled).
> And after some seconds the sequence repeats.
> 
> > Am 28.11.2021 um 21:28 schrieb Merlijn B.W. Wajer <merlijn at archive.org>:
> >>> Ah no. I don't have it. What is needed for the serial console? That would
> >>> surely be helpful for development...
> >> 
> >> Unfortunately this is non-trivial:
> >> https://n900.elektranox.org/serial-adapter.html
> >> 
> >> I got an adapter from Tony, but most of us don't have a serial adapter.
> >> We were thinking of producing a bunch, but we never did that so far.
> >> 
> 
> The above page links to http://wiki.maemo.org/N900_Hardware_Hacking#Debug_ports
> where the test pads under the battery are described.
> 
> But I can't match the picture (the one with o and + in the box) with my board.
> 
> There, the 6 pin connector has a regular pattern (o o o   o o o o in two rows shifted against each other).
> 
> Any idea how to correctly interpret the wiki entry? Are there missing some spaces before "J2062"?

https://n900.elektranox.org/media/n900-uart-pinout.jpg

-- Sebastian
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