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Emulator Issues #11453

closed

Super Monkey Ball - Unknown Opcode on boot.

Added by Punkinator7 over 5 years ago. Updated over 1 year ago.

Status:
Fixed
Priority:
Normal
Assignee:
-
% Done:

0%

Operating system:
N/A
Issue type:
Bug
Milestone:
Regression:
No
Relates to usability:
No
Relates to performance:
No
Easy:
No
Relates to maintainability:
No
Regression start:
Fixed in:

Description

Game Name?

Super Monkey Ball
Game ID? (right click the game in the game list, properties, info tab)

GMBE8P

MD5 Hash? (right click the game in the game list, properties, info tab, MD5 Hash: Compute)

391b8e620d8d924f150dc40343ced8a5

What's the problem? Describe what went wrong.

When I disabled Dual core mode, the Emulator told me this in a pop up then promptly closed when I tried to open Super Monkey Ball:
GFX FIFO: Unknown Opcode (0xff @ 00000285B6BD0000, preprocess=false)
This means one of the following:
*the emulated GPU got desynced, disabling dual core can help

  • Command stream corrupted by some spurious memory bug
    *this really is an unknown opcode (unlikely)
  • Some other sort of bug

Further errors will be sent to the Video Backend log and
Dolphin will now likely crash or hang, Enjoy.
it works fine when I turned dual core mode back on.

What steps will reproduce the problem?

  1. go to config,
  2. uncheck the box next to "Enable Dual Core (speedup)", the box should be empty.
  3. close it
  4. attempt to launch Super Monkey ball via the Rom list
  5. Bug does its thing

Is the issue present in the latest development version? For future reference, please also write down the version number of the latest development version.

Yes, I could do it with the latest version, 5.0-9115

Is the issue present in the latest stable version?

Nope, it starts up fine with 5.0

If the issue isn't present in the latest stable version, which is the first broken version? (You can find the first broken version by bisecting. Windows users can use the tool https://forums.dolphin-emu.org/Thread-green-notice-development-thread-unofficial-dolphin-bisection-tool-for-finding-broken-builds and anyone who is building Dolphin on their own can use git bisect.)

the earliest build I've tested is 5.0-7999, the issue may exist before that.

What are your PC specifications? (CPU, GPU, Operating System, more)

My Computer consists of:
OS- Windows 10 Home
CPU- Intel i3-4170 @ 3.70GHz
GPU- NVIDIA GeForce GT 730
8 GB Ram

Is there anything else that can help developers narrow down the issue? (e.g. logs, screenshots,
configuration files, savefiles, savestates)
Screenshot of the error, on the latest Dolphin Build:
https://drive.google.com/file/d/1w3UkCoUMLztoDuSjoV_o3-D4bGGaBX8o/view?usp=sharing

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