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

H. Nikolaus Schaller hns at goldelico.com
Sun Dec 12 08:51:28 CET 2021



> Am 11.12.2021 um 23:21 schrieb Sebastian Reichel <sre at kernel.org>:
> 
> 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

Great! Thanks, Nikolaus



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