Congrats everyone on this find! Thank you. I've been tracking the topic for months hoping for a fix. Let me try to sum it up:
- Issue affects those who are running TF-A v2.9 (those who ran installer 1.0.3 or newer)
- Issue does not affect those who are still running TF-A v2.4 (those who ran 1.0.2 or earlier)
- You can find out which TF-A you are running by executing, for example:
root@E8450:~# grep "(release)" /dev/mtd0ro
v2.4(release):OpenWrt v2021-05-08-d2c75b21-3 (mt7622-snand-1ddr)
- If you are on v2.4 => You can safely sysupgrade to any 23.x
- If you are on v2.9 => We still need to agree on the best way to proceed (wait for the new installer, patch bl2 from openwrt, patch bl2 from Uboot...)
Having today's knowledge, how would you now comment on previous attempts to fix this. Are these still relevant on 23.x?
- changing governor back to performance?
- bumping min freq?
- pin drive current?
Please correct me if I'm wrong, but everybody who has TF-A v2.9 can expect this to happen on their very next reboot - all it takes is a bit flip, normally correctable, but here interpreted as "fatal error, abort misson"