Emulator

Game Name?

The Legend of Zelda: Four Swords FOR NINTENDO GAMECUBE (Disc 0, Revision 0)

Game ID? (right click the game in the game list, Properties, Info tab)

G4SP01

MD5 Hash? (right click the game in the game list, Properties, Verify tab, Verify Integrity button)

a8665e36c64c2369628aabef6b268c42

What's the problem? Describe what went wrong.

I'm working on an HD texture pack for FSA. When overall size of custom textures (as reported by Dolphin when prefetching is done) went over some size (up to about 5GB), game started stopping with GPU errors (invalid opcode ff or some other) in various places, guaranteed to happen when dark link uses hammer in eastern temple.

Further testing confirmed that problem is not caused by specific texture added to pack but by its overall big size combined with "prefetch custom textures" option. If size is reduced by removing any textures or this option is disabled, error no longer happens.

As shown in https://forums.dolphin-emu.org/Thread-using-upscaled-textures-causes-gpu-error, same error happen to other user with other titles as well.

What steps will reproduce the problem?

1. Install texture pack over 5GB in size.
2. Enable "Prefetch Custom Textrues"
3. Play game it is designed for.

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, version 5.0-11661

Is the issue present in the latest stable version?

Unknown

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.)

Unknown, testing for issue takes considerable time so bisecting would preferably be avoided.

If your issue is a graphical issue, please attach screenshots and record a three frame fifolog of the issue if possible. Screenshots showing what it is supposed to look like from either console or older builds of Dolphin will help too. For more information on how to use the fifoplayer, please check here: https://wiki.dolphin-emu.org/index.php?title=FifoPlayer

[Attach any fifologs if possible, write a description of fifologs and screenshots here to assist people unfamiliar with the game.]

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

Ubuntu 19.10

Is there anything else that can help developers narrow down the issue? (e.g. logs, screenshots,
configuration files, savefiles, savestates)

GPU error screenshot is attached.