Bootloop with EROFS system partition ...

[Huexxx]

Device: Xiaomi Mi Mix 2 (Chiron)
Android version: 14
Magisk version name: 65207f9
Magisk version code: 26404

Since I introduced EROFS support on my rom, I cannot make it work with EROFS system partition.

Same problem since first A13 roms with EROFS support.

Rom with EROFS system partition bootloops on MIX logo (no bootanim, no adb). Exactly same rom with EXT4 system partition flawlessly works.

Boot images always patched within specified Magisk debug app.

• /proc/mounts of EXT4 version working without Magisk
  EXT4_proc_mounts.txt

• logcat and dmesg of EXT4 version working with Magisk
  Magisk26404_EXT4_logcat.txt
  Magisk26404_EXT4_dmesg.txt

• /proc/mounts of EROFS version working without Magisk
  EROFS_proc_mounts.txt

• pmsg-ramoops-0 and console-ramoops-0 of EROFS version bootlooping with Magisk (added .txt to upload)
  pmsg-ramoops-0.txt
  console-ramoops-0.txt

The errors seem linked to cp_link and cp_afc ops...

Magisk  : cp_link : /debug_ramdisk/.magisk/worker/system/bin/[ <- /debug_ramdisk/.magisk/mirror/system/bin/[
Magisk  : cp_afc /debug_ramdisk/.magisk/mirror/system/bin/[ -> /debug_ramdisk/.magisk/worker/system/bin/[ failed: Invalid argument (os error 22)

Regards.

[yujincheng08]

Try #7685...

[Huexxx]

Hi, thanks for your advice, but it keeps failing.

pmsg-ramoops-0.txt
console-ramoops-0.txt

Same error but without mirror...

Magisk  : cp_link : /debug_ramdisk/.magisk/worker/system/bin/[ <- /system/bin/[
Magisk  : cp_afc /system/bin/[ -> /debug_ramdisk/.magisk/worker/system/bin/[ failed: Invalid argument (os error 22)

[yujincheng08]

app-debug.apk.zip
Then use this to grab the log

[Huexxx]

Hi again.

pmsg-ramoops-0.txt
console-ramoops-0.txt

Thanks so much for your work.

[yujincheng08]

Hmm, readlink says Invalid argument.

[vvb2060]

I introduced EROFS support on my rom

fix your kernel

[Huexxx]

Well, understood, but maybe you can point me a bit to where the problem is...

EROFS is working without problems, I have just problems with magisk.

Please, point me to the code where Magisk do the readlink and get Invalid argument to see how to patch my kernel to work as intended.

[dakkshesh07]

Hey any follow ups on this issue? I've been facing similar issues with my erofs builds. Seeing similar readlink failures in magisk log.

[Huexxx]

As said... I've fixed my kernel... how? Adding a massive number of commits... I can't tell you which of them is the clue... but is related to symlinks... you have to backport fs stuff...

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On viernes, 2 de feb de 2024, 19:40, wrote: Hey any follow ups on this issue? I've been facing similar issues with my erofs builds. Seeing similar readlink failures in magisk log. You are receiving this because you authored the thread.Message ID: