[ISSUE][SCUS_971.24] Jak and Daxter Precursor Legacy VMC Freeze In v1.1.0 BETA

[James-Coyne]

Disclaimer
Issue reports for OPL version which were not downloaded from the official GitHub repo are not accepted.
Before posting the issue confirm that you meet the below requirements.

• [*] I have checked existing OPL issues for duplicates and found none https://github.com/ps2homebrew/Open-PS2-Loader/issues
• [*] I am using either OPL beta version from https://github.com/ps2homebrew/open-ps2-loader/actions?query=workflow%3ACI+is%3Asuccess++ or OPL stable version from https://github.com/ps2homebrew/Open-PS2-Loader/releases

Describe the issue
Saving and loading using a VMC file via SMB causes a freeze in Jak and Daxter: The Precursor Legacy using OPL v1.1.0, however it does work in v1.0.0.

Configuration:

• Console Model: SCPH-90001
• Open PS2 Loader revision: OPNPS2LD-v1.1.0-Beta-1641-7758357---PADEMU=1
• Open PS2 Loader mode: SMB
• Information about affected games (if any): http://redump.org/disc/682/ SCUS_97124

To Reproduce
Steps to reproduce the behavior:

1. Create VMC file through OPL menu
2. Start game
3. Attempt to save or load a saved game
4. Observe frozen screen with no text
5. On subsequent attempts OPL gives errors when attempting to read VMC file

Expected behavior
Saved games should be created and able to be loaded without issue.

Screenshots
Creation of VMC file

Frozen screen trying to save

Additional context
N/A

[rickgaiser]

See also #428
Issues are probably related.

[rossbeck]

Just FYI, this game is freezing at the title screen even with VMC disabled in v1.1.0 and v1.2.0beta (current build). Last known working (at all) build seems to be v1.0.0. Could this be related to #466 ?

[carl0sjt]

same thing happens with OPL 1.2.0 beta 1875 2f0506c

PS2: SCPH 90010
game format: ISO
Launch method: SMB
game modes: unhook syscalls and disable IGR
VMC: crashing the game.
pademu: not tested

-V3ditata

[rickgaiser]

Perhaps the issue is IOP RAM usage? Can you check this game using the UDPBD testbuild to see if there's peaks of memory usage?

[mrkylegp]

Also experiencing this issue with 1.1.

[10522]

Jak and Daxter The Precursor Legacy [SCUS_971.24]:

• For this game to work via SMB and USB, you need to use Mode 3 and 6.
• To save this game to VMC via SMB, you need to use OPL Stable 1.0.0.
• To save this game to VMC via USB, you need to use OPL Beta 1.2.0 1956.
• This game is saved to physical MC on any version of the OPL. Even on MC that have more than 8 MB of memory.

My PS2 model is SCPH-90008. I use redump images and don't use PADEMU, GSM.

[10522]

OPL Beta 1.1.0 1627 SMB (Mode 3 & 6 & VMC & no BDM) - everything works well
OPL Beta 1.1.0 1627 USB (Mode 3 & 6 & VMC & no BDM) - freezes while saving to VMC
OPL Beta 1.1.0 1633 SMB (Mode 3 & 6 & VMC & BDM) - freezes while saving to VMC
OPL Beta 1.1.0 1633 USB (Mode 3 & 6 & VMC & BDM) - freezes on SCEA logo

OPL Beta 1.2.0 1899 USB (Mode 3 & 6 & VMC) - freezes on SCEA logo
OPL Beta 1.2.0 1901 USB (Mode 3 & 6 & VMC) - everything works well

OPL Beta 1.2.0 2070 SMB ISO (Mode 3 & 6 & VMC) - freezes while saving to VMC
OPL Beta 1.2.0 2070 SMB ZSO (Mode 3 & 6 & VMC) - black screen on startup
OPL Beta 1.2.0 2070 SMB ZSO (Mode 3 & 6) - freezes on SCEA logo
OPL Beta 1.2.0 2070 USB ISO (Mode 3 & 6 & VMC) - everything works well
OPL Beta 1.2.0 2070 USB ZSO (Mode 3 & 6 & VMC) - freezes on SCEA logo
OPL Beta 1.2.0 2070 USB ZSO (Mode 3 & 6) - everything works well

@AKuHAK, @rickgaiser, please open this issue as VMC and ZSO via SMB are still not fixed. By the way, here is another game that broke when BDM was added to OPL. Also here I made lists of games that are incompatible with VMC.

[10522]

@uyjulian, @fjtrujy, @israpps, please open this issue as VMC and ZSO via SMB are still not fixed.