Hello all,
I'm trying to learn about Linux by mainlining my device, the Samsung Galaxy S3
SGH-I437. It has a MSM8960 SoC (quite old).
I'm trying to get postmarketOS's initramfs to show (I bundle it up with the
kernel), but unlike the downstream kernel, nothing appears in the UART console.
I know the initramfs is fine (since it works with other devices, including my
own device with its downstream kernel). My next step would be to open a
debug-console so I can interact with the device, and make it easier to debug
further mainlining attempts. However, the last thing it always outputs is
"random: crng init done" instead of "### postmarketOS initramfs ###". I'm
guessing the problem might have something to do with the kernel itself.
Here are my logs. I booted my phone twice to see if there was any difference
(delineated with "ΓΏ[1390] AST_POWERON"): https://pastebin.com/cAERbhp3
My device's DTS is the following (Based on the mainlined MSM8960 DTS):
https://pastebin.com/eQnFxLeq
Here's the commands I use for making and flashing my kernel (It's annotated for
your convenience): https://pastebin.com/uRftqKfS
Here are the CONFIG_* options I changed (after doing "make qcom_defconfig"):
https://pastebin.com/qQW7UKeR
And finally, here is the downstream kernel for my phone (which properly outputs
the postmarketOS initramfs output):
https://github.com/CyanogenMod/android_kernel_samsung_d2/tree/0dbe2b56847b304d30b809dfd08ba3b4a61d9af8
I'm not sure what you would need to help me (I'm guessing the logs and maybe
downstream kernel will help, but you guys are pros, while I'm a noob :P), so I
basically sent the entire process I have done so far. Who knows, I probably
missed something silly, like a CONFIG_* option :P.
I'm sorry if this isn't the right place to ask for this type of help. I asked
in postmarketOS's Matrix room several times, but it seems like nobody knew what
the problem was. I'm hoping that after several weeks of head scratching that
someone can point me in a direction that can help me get mainline Linux working
on this old device.
Thank you,
LogicalErzor
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