Heavy stuttering in Gran Turismo 4
#1
Bug 
Last day i decided to upgrade my PCSX 1.6.0 to 1.7.5 to play Gran Turismo 4, and while it seemed to work fine at first, the problem is that the game has critical stuttering issues when i load a car, a track or even when i try to load a license test or the whole game from the very beginning. These stuttering issues can range from lasting 10 seconds to completely freeze the emulator, forcing me to close it with the task manager.

Anyone knows how can i fix this problem?

I'm currently using the default PCSX2 graphical and emulating configuration, and the specifications of my computer are the following:

CPU: Ryzen 5 5500
RAM: 16 GB DDR4
GPU: RX470 4 GB

I'd appreaciate if anyone could help me.

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#2
Please post the contents of the emulog.txt file after the problem occurs. The file can be found in "My Documents\PCSX2\logs" for the installer version or in "PCSX2\logs" for the portable/binary version. You could enable the logging by checking Tools-> Enable File logging checkbox in the UI.

Please make sure to enclose your emulog in code tags like so (remove the empty space on the closing code tag!):
[code]
Pasted emulog goes here
[ /code]
#3
GT4 is also notoriously bad performer and if you had any custom options enabled in 1.6... you probably want to reset them for 1.7 as the accuracy of emulation have changed substantially between version so same options don't apply. In the worst case though if you were satisfied with 1.6 GT4 performance... stick to 1.6.
#4
(05-04-2024, 06:18 AM)MrWizard Wrote: Please post the contents of the emulog.txt file after the problem occurs. The file can be found in "My Documents\PCSX2\logs" for the installer version or in "PCSX2\logs" for the portable/binary version. You could enable the logging by checking Tools-> Enable File logging checkbox in the UI.
Please make sure to enclose your emulog in code tags like so (remove the empty space on the closing code tag!):
Code:
Pasted emulog goes here
[ /code][/quote]

Oh, sorry, here it is.

[code]
[    0.0426] Couldn't find translation for system language es-MX, using es-419 instead
[    0.0433] Loaded translation file for language es-419
[    0.0453] PCSX2 v1.7.5777
[    0.0453] Savestate version: 0x9a4c0000
[    0.0453]
[    0.0453]
[    0.0453] Host Machine Init:
[    0.0453]  Operating System = Microsoft Windows 10+
[    0.0454]  Physical RAM    = 16252 MB
[    0.0454]  Processor        = AMD Ryzen 5 5500
[    0.0454]  Core Count      = 6 cores
[    0.0454]  Thread Count    = 12 threads
[    0.0465]  Power Profile    = 'Equilibrado'
[    0.0465]  Power States (min/max)
[    0.0465]    AC            = 5% / 100%
[    0.0465]    Battery        = 5% / 100%
[    0.0465]
[    0.0465] x86 Features Detected:
[    0.0465]  AVX AVX2
[    0.0465]
[    0.0706] SDLInputSource: Using Controller DB from resources.
[    0.2183] SDLInputSource: 815 controller mappings are loaded.
[    0.3372] Scanning G:\Emuladores\PCSX2 Nightly\ROMS (recursively)
[    0.3407] (SDLInputSource) Controller 0 inserted
[    0.3409] (SDLInputSource) Opened game controller 0 (instance id 0, player id 0): XInput Controller
[    0.3410] (SDLInputSource) Controller 0 has 6 axes and 11 buttons
[    0.3410] (SDLInputSource) Rumble is supported on 'XInput Controller' via gamecontroller
[    0.5755] Current version: v1.7.5777
[    0.5755] Latest version: v1.7.5777
[    0.5755] Last checked version: v1.7.5774
[    0.5755] No update needed.
[    0.5759] (AutoUpdaterDialog) All HTTP requests done.
[    2.9911] BIOS Found: Europe  v01.60(04/10/2001)  Console 20011004-175839
[    3.0598] BIOS Found: Europe  v02.00(14/06/2004)  Console 20040614-100914
[    3.2352] BIOS Found: Japan  v01.00(17/01/2000)  Console 20000117-050310
[    3.2799] BIOS Found: USA    v01.60(07/02/2002)  Console 20020207-164243
[  22.2322] Applying settings...
[  22.7403] Applying settings...
[  24.7151] Loading BIOS...
[  24.7153] BIOS Found: USA    v01.60(07/02/2002)  Console 20020207-164243
[  24.7173] BIOS rom1 module not found, skipping...
[  24.7173] BIOS rom2 module not found, skipping...
[  24.7173] Opening CDVD...
[  24.7177] isoFile open ok: G:\Emuladores\PCSX2 Nightly\ROMS\Gran Turismo 4.iso
[  24.7177]  Image type  = DVD
[  24.7177] isoFile: second layer found at sector 0x001418c0
[  24.7177]  * CDVD Disk Open: DVD, Double layer:
[  24.7177]  * * Track 1: Data (Mode 1) (2594960 sectors)
[  24.7188] [GameDB] Has not been initialized yet, initializing...
[  24.7583] [GameDB] 12804 games on record (loaded in 39.50ms)
[  24.7584] Disc changed to Gran Turismo 4.iso.
[  24.7584]  Name: Gran Turismo 4
[  24.7584]  Serial: SCUS-97328
[  24.7584]  Version: 1.01
[  24.7584]  CRC: 77E61C8A
[  24.7586] Loading game settings from 'C:\Users\Leonardo\Documents\PCSX2\gamesettings\SCUS-97328_77E61C8A.ini'...
[  24.7587] Applying settings...
[  24.7771] Reopening memory cards...
[  24.7773] McdSlot 0 [File]: Mcd001.ps2 [8 MB, Formatted]
[  24.7774] McdSlot 1 [File]: Mcd002.ps2 [8 MB, UNFORMATTED]
[  24.7781] HLE Host: Set 'host:' root path to: G:\Emuladores\PCSX2 Nightly\ROMS
[  24.7781]
[  24.7781] EE/iR5900 Recompiler Reset
[  24.9519] Opening GS...
[  24.9874] GPU 0: Radeon (TM) RX 470 Graphics
[  24.9959] VK_EXT_provoking_vertex is supported
[  24.9959] VK_EXT_memory_budget is supported
[  24.9959] VK_EXT_calibrated_timestamps is supported
[  24.9959] VK_EXT_rasterization_order_attachment_access is NOT supported
[  24.9959] VK_EXT_full_screen_exclusive is supported
[  24.9959] VK_KHR_driver_properties is supported
[  24.9970] Read 585 entries from 'C:\Users\Leonardo\Documents\PCSX2\cache\vulkan_shaders.idx'
[  25.0524] Vulkan Graphics Driver Info:
[  25.0525] Driver 2.0.279
[  25.0525] Vulkan 1.3.260
[  25.0525] Conformance Version 1.3.3.1
[  25.0525] 24.1.1 (AMD proprietary shader compiler)
[  25.0525] AMD proprietary driver
[  25.0525] Radeon (TM) RX 470 Graphics
[  25.0546] Opening SPU2...
[  25.0555] Creating Cubeb audio stream, sample rate = 48000, expansion = Disabled, buffer = 50, latency = 20, stretching enabled, driver = , device =
[  25.0916] Initializing Pad...
[  25.0916] Initializing SIO2...
[  25.0916] Initializing SIO0...
[  25.0916] Opening DEV9...
[  25.0946] Opening USB...
[  25.0946] Opening FW...
[  25.1046] VM subsystems initialized in 389.92 ms
[  25.1055] Processor count: 6 cores, 12 processors
[  25.1055] Cluster count: 1
[  25.1055] Ordered processor list: 0, 2, 4, 6, 8, 10, 1[SMT 1], 3[SMT 1], 5[SMT 1], 7[SMT 1], 9[SMT 1], 11[SMT 1]
[  25.2665] ELF Loading: cdrom0:\SCUS_973.28;1, Game CRC = 77E61C8A, EntryPoint = 0x01000008
[  25.5392] ELF cdrom0:\SCUS_973.28;1 with entry point at 0x01000008 is executing.
[  25.5392] ELF changed, active CRC 77E61C8A (cdrom0:\SCUS_973.28;1)
[  25.5397] Found 11 game patches in SCUS-97328_77E61C8A.pnach.
[  25.5398] Enabled patch: Widescreen 16:9
[  25.5398] Enabled patch: Adjusted triggers sensitivity
[  25.5398] OSD [LoadPatches]: 2 game patches are active.
[  25.5399] Applying core settings...
[  25.5401] (GameDB) Changing VU0 clamp mode [mode=2]
[  25.5401] (GameDB) Changing VU1 clamp mode [mode=2]
[  25.5401] OSD [HWBlendingWarning]:  Current Blending Accuracy is Basic.
[  25.5401] Recommended Blending Accuracy for this game is High.
[  25.5401] You can adjust the blending level in Game Properties to improve
[  25.5401] graphical quality, but this will increase system requirements.
[  25.5402] [GameDB] Enabled GS Hardware Fix: recommendedBlendingLevel to [mode=3]
[  25.5402] [GameDB] Enabled GS Hardware Fix: mipmap to [mode=2]
[  25.5402] [GameDB] Enabled GS Hardware Fix: trilinearFiltering to [mode=1]
[  25.5402] [GameDB] Enabled GS Hardware Fix: halfPixelOffset to [mode=4]
[  25.5402] [GameDB] Enabled GS Hardware Fix: getSkipCount to [mode=15]
[  25.5401] Updating CPU configuration...
[  25.5518] Updating GS configuration...
[  25.5942] EE/iR5900 Recompiler Reset
[  25.6423] (UpdateVSyncRate) Mode Changed to NTSC.
[  25.6423] (UpdateVSyncRate) Mode Changed to NTSC.
[  26.6567] [Pad] DS2 Config Finished - P1/S1 - AL: Off - AB: Usable - VS: Disabled - VL: Disabled - RB: D (0x00000000)
[  30.9127] (UpdateVSyncRate) Mode Changed to NTSC.
[  30.9127] (UpdateVSyncRate) Mode Changed to NTSC.
[  31.6117] (UpdateVSyncRate) Mode Changed to NTSC.
[  31.6117] (UpdateVSyncRate) Mode Changed to NTSC.
[  32.4959] [Pad] DS2 Config Finished - P1/S1 - AL: On - AB: Locked - VS: Normal - VL: Normal - RB: D+A+P (0x0003FFFF)
[  153.2161] (VMManager) Pausing...
[  157.9522] Add 128 seconds play time to SCUS-97328 -> now 12651
[  158.0962] Skipping updating pipeline cache 'C:\Users\Leonardo\Documents\PCSX2\cache\vulkan_pipelines.bin' due to no changes.
[  158.1455] Releasing host memory for virtual systems...
#5
(05-04-2024, 06:28 AM)MrWizard Wrote: GT4 is also notoriously bad performer and if you had any custom options enabled in 1.6... you probably want to reset them for 1.7 as the accuracy of emulation have changed substantially between version so same options don't apply. In the worst case though if you were satisfied with 1.6 GT4 performance... stick to 1.6.

Not exactly, i still had some stuttering issues with 1.6.0, but they seemed to get worse on 1.7.5
#6
(05-04-2024, 08:45 AM)AnarchySoldat Wrote: Not exactly, i still had some stuttering issues with 1.6.0, but they seemed to get worse on 1.7.5

that's exactly what mrWizard said above...
can you please post a full emulog ?
the one you posted is empty



Check Tools > Enable File Logging. If it is already checked, ignore this step.
If you ticked the box in the above step, restart PCSX2.
Click Tools > Open Data Directory to jump to your PCSX2 folder.
Reproduce your issue.
Close PCSX2, and do not open it again.
Go back to your PCSX2 folder. Open the logs folder, and upload the emulog.txt file to this channel.
CPU : AMD Ryzen 7 3800X
Mobo : Asus PRIME B450-PLUS
GPU : NVIDIA GeForce RTX 3070
RAM : 16 Go
#7
(05-04-2024, 09:05 AM)jesalvein Wrote: that's exactly what mrWizard said above...
can you please post a full emulog ?
the one you posted is empty



Check Tools > Enable File Logging. If it is already checked, ignore this step.
If you ticked the box in the above step, restart PCSX2.
Click Tools > Open Data Directory to jump to your PCSX2 folder.
Reproduce your issue.
Close PCSX2, and do not open it again.
Go back to your PCSX2 folder. Open the logs folder, and upload the emulog.txt file to this channel.

I already did it, but here's the log file, just in case of.


Attached Files
.txt   emuLog.txt (Size: 6,66 KB / Downloads: 39)
#8
definitely better.

Using a BIOS file with PCSX2 which you have downloaded from the internet or from a PS2 console you do not own is illegal. You must own the console the BIOS file came from (even if it's broken) to be legal.

Our forum does not tolerate any kind of warez talk / discussion / links and no support will be given as such.
Read our rules,specifically rule #1. Thread closed.

You may appeal this decision by proving that you own the item in question and disposing of any pirated copies. Staff will want to see some visual proof that you own the item (E.g. A picture of the item with your forum username and the current date on a sticky note next to it).
CPU : AMD Ryzen 7 3800X
Mobo : Asus PRIME B450-PLUS
GPU : NVIDIA GeForce RTX 3070
RAM : 16 Go




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