Pi4 issue with snes and genesis side scrollers - screen stutter
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I have both a pi2 and pi4 4gb ram running RetroPie 4.6. The pi 2 gives excellent performance for snes and genesis side scrolling games but the pi4 screen stutters when things move fast. I have not made any config changes On either pi. This is my second pi4 with the same issue (both had 3 heat sinks Recommended power supply’s and a fan), tried multiple high speed cards, multiple reformats and multiple builds including stock image all with the same problem. Anyone know what might be the issue ? How can the pi2 out perform the pi4 on these emulators ? I’m baffled and disappointed. I can’t be the only one with this problem. Super Mario world runs terrible for me if anyone wants to test their system, the problem won’t take long to present itself. Thanks in advance.
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Is your Pi4 running on a 4k TV/Monitor ? Lower the resolution to 1080p from
raspi-config. -
@mitu I have tested on two separate 4K TVs and a 4K monitor with no luck. I changed the resolution to 1080p in rasp-config with no change. Changed resolution within the emulator to 1080p with no change and finally just tested the system on a non 4K tv with the exact same results. No issue with fighting games on side scrollers.
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@yman *only side scrollers
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I will try Mario also later.
I am new here, just setup a Raspberry pi 4 8gb with latest image run all updates and put some games I had (Flinstones, Aladdin, Prince of Persia) and all run incredible nice. No tweaks, as I don't know yet.
I think it is running super fine with what is setup by default. Also, running on a 4K monitor, as I have nothing under 4K.
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It mainly happens when things are moving fast on side scrollers. Sonic is another game that really suffers from the issue I am describing
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@yman Please add more info about your system - https://retropie.org.uk/forum/topic/3/read-this-first.
You should get an emulator log (
/dev/shm/runcommand.log) taken during running the game. Make sure you launch the game with debug logging from the runcommand launch menu, then run the game, reproduce the issue, exit and take the log file. Upload it to pastebin.com. -
Pi Model or other hardware: Pi 4 model B 4gb version 1.2
Power Supply used: Cankit (shipped with pi)
RetroPie Version Used: 4.6
Issue on prebuilt and stock retropie image
USB Devices connected: Ps4 ds4 and wireless keyboard sometimes
Controller used: Ps4 ds4 (wired and wireless)Log to follow ASAP
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For what it's worth, I noticed this happening in Super Mario Bros. and Sonic 2 when I was testing the new KMS driver on the 5.4 kernel. I doubt it's relevant to OP's issue, but I figured I'd mention it just in case.
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If anyone would be able to send a video maybe it could help make things clearer here.
And sharing your Retroarch.cfg file might shed some light into it as well.
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Here is the Verbose log while getting the stuttering. I am no expert so hopefully this is what you were looking for. https://pastebin.com/6rJFgXQb
Retroarch.cfg
https://pastebin.com/Uh23WwG5 -
Please recommend a host site so i can upload a video. Thanks.
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Pi Model - Pi 4 4gb
Power Supply used - Canakit
RetroPie Version Used - Buster 4.6.1
Built From - Weekly dev build 4.5.13 updated to 4.6.1
USB Devices connected - Keyboard dongle
Controller used - 8bitdo SF30 proI too see stuttering graphics with certain systems although it only happens very briefly. It's strange because it'll happen with street fighter or other vs fighters on mame, but the same street fighter game with fba won't produce stuttering. I've been planning on recording some videos and making a topic to thoroughly convey the problem but haven't had the time.
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@yman said in Pi4 issue with snes and genesis side scrollers - screen stutter:
Here is the Verbose log while getting the stuttering. I am no expert so hopefully this is what you were looking for. https://pastebin.com/6rJFgXQb
The log seems incomplete. It seems you're running RetroArch 1.8.4, but the 4.6 image has been released with v1.8.5 - are you running the image from retropie.org.uk/download or another image ?
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@Quackwalks You should create your own topic.
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@yman Thanks. These files seem incomplete as @mitu stated.
We're looking for:
- /opt/retropie/configs/all/retroarch.cfg
- the log you sent, but after starting the emulator with "Launch with Verbose Logging" in the runcommand menu. So, when launching the game, press a key when the dialog shows to open the runcommand menu, and then select the option for "Launch with verbose logging". Then play the game for a while.
Thanks.
For videos, I use YouTube, I don't really have better recommendations, apologies.
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[INFO] [Overrides] game-specific overrides found at /home/pi/.config/retroarch/config/Snes9x/Super Mario World (USA).cfg.you should also show us that override
@yman said in Pi4 issue with snes and genesis side scrollers - screen stutter:
Retroarch.cfg
https://pastebin.com/Uh23WwG5retroarch.cfg from where? this does not look complete/standard. you should show us the one in /opt/retropie/configs/all/retroarch.cfg and /opt/retropie/configs/snes/retroarch.cfg (as well as any core/game overrides being applied, such as the one i referred to above).
Issue on prebuilt and stock retropie image
be mindful that that we ONLY support the stock retropie image and it should be very obvious if you're running a third party image if i see the config files. please make sure you do your testing on the stock image.
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@mitu I mistakenly took the wrong log. This one was from a non stock imagine. I am getting the same issues with the stock image. I will post this Log and everything else requested above as soon as I can. Thanks
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@yman Could you check my post and tell me if my problem looks the same as yours. https://retropie.org.uk/forum/topic/26819/jittery-stuttering-graphics
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@Quackwalks this is exactly what is happening with my setup. Any luck fixing it ?
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