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===== Corruption after game autosaving =====
===== Infinite loop or corruption after game saving =====


There is a bug with the autosave feature in Jak X that corrupts save data on memory card. It was fixed in the Platinum / Greatest Hits versions of the game.
There is a bug with the autosave feature that corrupts save data on memory card. It was fixed in the Platinum (Greatest Hits) version of the game.


https://gamefaqs.gamespot.com/boards/927166-jak-x-combat-racing/41999721
https://gamefaqs.gamespot.com/boards/927166-jak-x-combat-racing/41999721


===== Infinite loop after game saving =====
There is a bug, at least in PCSX2, where when starting the game for the first time and creating a new profile, the game freezes on the memory card saving screen after saving data. The save data is however well written and on next tries the game can be played as the save is correctly loaded. The same bug can be triggered by going to the Profile settings and selecting "Save game". After saving, the game freezes as it enters an infinite loop (at $pc address 0x81FC0 on PAL). CelesteBlue's hypothesis on the cause is that during the game initialization, the game open files from the memory card (for example patch.bin at address 0x00100884 on PAL), but closes the fd only if some condition are met, which by default are not as the patch.bin file is invalid.
 
There is a bug, at least in PCSX2, where when starting the game for the first time and creating a new profile, the game freezes on the memory card saving screen after saving data. The save data is however well written and on next tries the game can be played as the save is correctly loaded.
 
The same bug can be triggered by going to the Profile settings and selecting "Save game". After saving, the game freezes as it enters an infinite loop (in R59000 at $pc address 0x81FC0 on PAL and NTSC Greatest Hits and in R3000 at $pc address 0xBE9C). CelesteBlue's hypothesis is that during the game initialization, the game open files from the memory card (for example patch.bin at address 0x00100884 on PAL), but closes the fd only if some condition are met, which by default are not as the patch.bin file is invalid.


https://github.com/PCSX2/pcsx2/issues/6935
https://github.com/PCSX2/pcsx2/issues/6935
The NTSX Greatest Hits version of Jak X does not fix this problem.


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