Homemade Lineage 14.1 won't boot - OnePlus 5 Questions & Answers

Hi, as in the title I built LineageOS 14.1 from Scratch without adding any other repositories,
im ecrypted and even after i flash the no_verity.zip it wont boot, it shows the boot animation for some time but its not a bootloop. The bootanimation starts to end (shows the lineage os text) but not even a second after that it crashes.
that's not happening with the official build.
what could be wrong?
any help is appreciated, thanks
also of course when building the rom it gives me 0 errors.

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Help Please [SM-T377P]

So at some point when wiping/flashing LOS 15.1 something got messed up & it just keeps rebooting before the boot screen loads. It doesn't matter what I flash now, it does the same thing, all except for the firmware file from Updato. That booted into 7.1.1 (though it took a while), I tried flashing LOS after but it still goes right back to the reboot loop. Any help would be much appreciated.
[edit]
So I found a full backup & got that restored using TWRP 2.8.7.0, that booted up only to tell me to put my sim card in, no clue where that is, never used it (used tablet). I flashed 3.2.3, LOS 15.1 & 16.0 so far, neither will boot, they just get stuck on the boot screen. LOS 14.1 just reboots before the boot screen.
I've tried to use the Bootimage Debug Addition patch from here to grab some logs but it doesn't seem to be working, any help would really be appreciated.
So I take it I'm just out of luck then?

About encryption

I am using lineage 15.1 os its performance is really good but yesterday i downloaded havoc os stable official 9.0 rom and i tried to flashing this rom after flashing completed i click on rebooted it and entered starting android pattern but after that its show reset your phone i flashed two times but after reboot its only show reset your phone then i flashed Lineage os 15.1 again and it's flashed successfully without any issues.
Same issue
SS Technical said:
I am using lineage 15.1 os its performance is really good but yesterday I downloaded havoc os stable official 9.0 rom and I: mad: tried to flash this rom after flashing completed I click on rebooted it and entered starting android pattern but after that its show reset your phone I flashed two times but after reboot its only show reset your phone then I flashed Lineage os 15.1 again and it's flashed successfully without any issues.
Click to expand...
Click to collapse
I was also trying to flash Havoc os from Linage os 15.1 (official build) and it is asking password to start the Android :crying:

Lineage OS 16 Official gets stuck on boot logo if GApps is installed

I followed the instructions from the official website of Lineage OS 16 and I adb sideloaded the ROM first and then the GApps and then made the first boot. But I'm stuck in the lineage os logo. I'm using Arm-64 nano as recommended by Lineage OS. Anyone running lineage os official with GApps please share your experience and how you were able to boot it.
I don't use GApps, but did you clean cash, data etc.... ?
And it will be better to try without GApps and do a first run... going back to recovery after the first run and install Gapps.
Why don't you give any modern ROM based on 4.9 kernel a try? Q ROMs for now. I can highly recommend Havoc by Sairam. 0.1%/h idle drain with BT on almost always and 9%/h active drain over 4G. Plus 4.9 ROMs are simply much more fluid than any 3.18 ROM.

lineage OS support and downloads gone. does anyone have backup of lineageos 17?

i need it to get out of boot loop. help please!

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This phone has had a number of previous installs of ResurrectionRemix (2019), LineageOS 18.1 different versions and there has not been any problems to install custom ROMS. Just recently, after recharging the phone, the phone would not boot. Kept hanging on the LOS boot animation. I have reverted to Stock ROM successfully, and after that tried several LOS reinstalls with the recovery bootloader (either TWRP or LineageOS's own) but every time the LOS install starts hanging on the boot animation. Timeout. And I am trying to reinstall same versions that have been working before. Total mystery. How do I get a working LOS back on the phone? Strange thing is that a ResurrectionRemix install seems to work. No hanging at boot there at least.
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BR /Johan
try it with twrp
I have tried with TWRP running from 3.3.0+ up to 3.6+ . No difference here. It feels like the LOS installation is missing something. A partition or what not. adb logcat does not work when I boot so I can't see what's going on during boot, but I can use adb with the LOS recovery to look for things .
Update: Finally got the boot logging to work. It turns out that my fingerprint sensor is dead, and LOS gets into a bootloop when it tries to access it via HAL(?!). I am no expert on debugging - thanks to guys over at #lineageos. But it is worth noting that LOS might get into a boot loop if the fingerprint sensor is dead for some reason, be it an electrical failure of some kind or firmware issue.

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