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probably related but on a fresh install of 23.5 jammy, hardware acceleration is enabled but hardware video decode isnt in chromium - this solves the hw video decode problem with sd videos having a green screen. in your glxinfos it says "Accelerated: yes". i just assumed a developer disabled the hw video decode becuz i doubt the ppa video drivers will ever get updated so that green screen bug is there forever until mainline video drivers happen (which i imagine will also take forever).

booted opi5 via nvme one day and the boot screen mentions about btrfs partition missing even tho it was using ext4 partition. booted via sdcard and the root partition is entirely missing on the nvme. the boot partition is still there and working. not sure if relevant but the previous time i shut the opi5 down, i forgot to unplug it and it was plugged in for about an hour after shutdown with the red led and fan on. the nvme is kingspec which while cheap doesnt seem to have that many bad reports online that i can find (the boot partition was fine so i suspect kingspec isnt at fault). the power adapter is a 25w phone charger w/ pd/qs; it hasnt exhibited any weird behavior (like random shutdowns) thus far. i just chalked it up to my set of parts that led to this data corruption until on the opi discord someone mentioned the 160 kernel halved the speed of the nvme. i recall my device was recently updated to the 160 kernel. lost about 100gb of data so im definitely going back to 110 kernel builds.

i experienced this too with nvme tho. it used to reboot fine but after some update, it just locks up on reboot with red led on. have to remember to shutdown and manually press the button for a reboot. it might have to do with a kernel update since the official debian uses an older kernel and it doesnt have this behavior on reboot.

if everything fails, maskrom is the last resort. look in manual for maskrom steps. theres also a recovery button u can try

yes & yes, nightly 248, if u are using any performance mods (cpu, dmc, etc), i would disable them. i also switched to gnome w/ gdm3 - i think it defaults to ubuntu w/ lightdm. i found gnome more stable.

i did an upgrade, same file verions and i have no segfault. vlc/mpv still play videos fine.

u guys might try to switch to nightly kernel if u havent already done so. did a kernel update today and now the es2 benchmark runs w/o errors for a 4300 score. not sure how much power the cpu draws on performance governor - not sure its worth it as i dont see a difference in chromium, like webgl demos, or mpv shaders. still geting green screen on shorts vids tho - panfork is still rough around the edges

i did everything u did but after the first horse demo i get DRM_IOCTL_PANFROST_CREATE_BO failed: Cannot allocate memory mmap(GPU BO): Cannot allocate memory with the es2 benchmark but the other wayland benchmark works fine. only 1600 score tho. also short clips from, say, reddit has a green screen with chromium. i must've installed something that conflicts with this

after following all the instructions, u do get hw accel except with hw video decode missing. it lists hw decode in chrome://gpu but it maxes the cpu at 4k youtube. it can only do 1440p on youtube with cpu nearing max so its clear hw decode isnt working. on the official debian build, it has hw decode and it can do 4k youtube with barely any drops using 10-20% cpu, unfortunately, the official debian doesnt have hw accel besides the video decode so things get sluggish elsewhere.