SOLVED Reboot on fullscreen video at 4K resolution

[shinosuke]

My spec:
CPU: i7 9700k
Mobo: Gigabyte B365 HD3
Ram: 8G @2666hmz x2
GPU: amd 6600xt
storage: 1T sandisk nvme drive
monitor : LG HDR 4K
System: ventura with OC9.5
my EFI FOLDER : https://drive.google.com/file/d/18wgydeZhRzYqtgUBKzSp19tJNoCSoS0x/view?usp=sharing

My problem is computer will reboot if I play video in fullscreen, like twitch youtube or other video streaming sites, my computer will reboot after entering full screen for a few minutes.

It will happen in any scaled 4K resolution, but I can play games like wow or divine original sin 2 in 4K for hours without any problem.

If I pick a unscaled low resolution, like this ,
everything would work just fine but my screen is blury.

Another thing is if changing to a scaled resolution, fullscreen video will play much longer before a reboot. Normally a reboot will happen in a few minutes, but after a resolution change, the reboot will happen maybe 30 minutes later or longer.

I google a lot but I don't see anything similar to my problem. Please help me or teach me how to debug.

EDIT: Now it will reboot not mater what resolution I'm playing fullscreen at. HELP PLEASE

Edit number 2: So I switch to a RX480, deleted

agdpmod=pikera

from boot arg, now it works fine. Maybe the 6600xt is defective, my cat did drop it a few times.

 

[EliteMacx86]

My spec:
CPU: i7 9700k
Mobo: Gigabyte B365 HD3
Ram: 8G @2666hmz x2
GPU: amd 6600xt
storage: 1T sandisk nvme drive
monitor : LG HDR 4K
System: ventura with OC9.5
my EFI FOLDER : https://drive.google.com/file/d/18wgydeZhRzYqtgUBKzSp19tJNoCSoS0x/view?usp=sharing

My problem is computer will reboot if I play video in fullscreen, like twitch youtube or other video streaming sites, my computer will reboot after entering full screen for a few minutes.

It will happen in any scaled 4K resolution, but I can play games like wow or divine original sin 2 in 4K for hours without any problem.

If I pick a unscaled low resolution, like this View attachment 6480,
everything would work just fine but my screen is blury.

Another thing is if changing to a scaled resolution, fullscreen video will play much longer before a reboot. Normally a reboot will happen in a few minutes, but after a resolution change, the reboot will happen maybe 30 minutes later or longer.

I google a lot but I don't see anything similar to my problem. Please help me or teach me how to debug.

EDIT: Now it will reboot not mater what resolution I'm playing fullscreen at. HELP PLEASE

Always use the native resolution for a better experience.

Edit number 2: So I switch to a RX480, deleted

agdpmod=pikera

from boot arg, now it works fine. Maybe the 6600xt is defective, my cat did drop it a few times.

Damn. Cats can be really naughty. Does 4K works fine with the RX 480 now?

 

[shinosuke]

Thanks for the reply.

Yes, it works fine now. But the pc is having sleep wake failure in efi error now.

Sometimes the sleep works sometimes it doesn't, it's like magic. I give up on that now, since it doesn't affect actual use of the computer.

Edit: Sleep is working too now. Also Ryujinx is able to run games now with rx480, it couldn't before using 6600xt. It's so interesting.

 

[EliteMacx86]

Thanks for the reply.

Yes, it works fine now. But the pc is having sleep wake failure in efi error now.

Sometimes the sleep works sometimes it doesn't, it's like magic. I give up on that now, since it doesn't affect actual use of the computer.

Edit: Sleep is working too now. Also Ryujinx is able to run games now with rx480, it couldn't before using 6600xt. It's so interesting.

Great. Marking Solved and closing this thread.