By logs I'm going to assume you mean from my launcher, correct me if I'm wrong:
[17:06:07] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
[17:06:07] [main/INFO] [LaunchWrapper]: Using primary tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
[17:06:07] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLTweaker
[17:06:07] [main/INFO] [FML]: Forge Mod Loader version 8.0.42.1341 for Minecraft 1.8 loading
[17:06:07] [main/INFO] [FML]: Java is Java HotSpot 64-Bit Server VM, version 1.8.0_25, running on Windows 7:amd64:6.1, installed at C:\Program Files (x86)\Minecraft\runtime\jre-x64\1.8.0_25
[17:06:07] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[17:06:07] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLDeobfTweaker
[17:06:07] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[17:06:07] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[17:06:07] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper
[17:06:08] [main/INFO] [FML]: Found valid fingerprint for Minecraft Forge. Certificate fingerprint e3c3d50c7c986df74c645c0ac54639741c90a557
[17:06:08] [main/INFO] [FML]: Found valid fingerprint for Minecraft. Certificate fingerprint cd99959656f753dc28d863b46769f7f8fbaefcfc
[17:06:08] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper
[17:06:08] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLDeobfTweaker
[17:06:09] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.TerminalTweaker
[17:06:09] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.TerminalTweaker
[17:06:09] [main/INFO] [LaunchWrapper]: Launching wrapped minecraft {net.minecraft.client.main.Main}
[17:06:10] [Client thread/INFO]: Setting user: Chuckaboo
[17:06:12] [Client thread/INFO]: LWJGL Version: 2.9.1
[17:06:13] [Client thread/INFO] [MinecraftForge]: Attempting early MinecraftForge initialization
[17:06:13] [Client thread/INFO] [FML]: MinecraftForge v11.14.1.1341 Initialized
[17:06:14] [Client thread/INFO] [FML]: Replaced 204 ore recipies
[17:06:14] [Client thread/INFO] [MinecraftForge]: Completed early MinecraftForge initialization
[17:06:14] [Client thread/INFO] [FML]: Searching C:\Users\Marley\AppData\Roaming\.minecraft\mods for mods
[17:06:14] [Client thread/INFO] [FML]: Forge Mod Loader has identified 3 mods to load
[17:06:15] [Client thread/INFO] [FML]: Attempting connection with missing mods [mcp, FML, Forge] at CLIENT
[17:06:15] [Client thread/INFO] [FML]: Attempting connection with missing mods [mcp, FML, Forge] at SERVER
[17:06:15] [Client thread/INFO]: Reloading ResourceManager: Default, FMLFileResourcePack:Forge Mod Loader, FMLFileResourcePack:Minecraft Forge, RPchuckaboopak
[17:06:15] [Client thread/INFO] [FML]: Processing ObjectHolder annotations
[17:06:15] [Client thread/INFO] [FML]: Found 384 ObjectHolder annotations
[17:06:15] [Client thread/INFO] [FML]: Configured a dormant chunk cache size of 0
[17:06:15] [Client thread/INFO] [FML]: Applying holder lookups
[17:06:15] [Client thread/INFO] [FML]: Holder lookups applied
[17:06:15] [sound Library Loader/INFO]: Starting up SoundSystem...
[17:06:16] [Thread-7/INFO]: Initializing LWJGL OpenAL
[17:06:16] [Thread-7/INFO]: (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
[17:06:16] [Thread-7/INFO]: OpenAL initialized.
[17:06:16] [sound Library Loader/INFO]: Sound engine started
[17:06:19] [Client thread/INFO]: Created: 2048x2048 textures-atlas
[17:06:20] [Client thread/INFO] [FML]: Forge Mod Loader has successfully loaded 3 mods
[17:06:20] [Client thread/INFO]: Reloading ResourceManager: Default, FMLFileResourcePack:Forge Mod Loader, FMLFileResourcePack:Minecraft Forge, RPchuckaboopak
[17:06:20] [Client thread/INFO]: SoundSystem shutting down...
[17:06:20] [Client thread/WARN]: Author: Paul Lamb, www.paulscode.com
[17:06:20] [sound Library Loader/INFO]: Starting up SoundSystem...
[17:06:21] [Thread-9/INFO]: Initializing LWJGL OpenAL
[17:06:21] [Thread-9/INFO]: (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
[17:06:21] [Thread-9/INFO]: OpenAL initialized.
[17:06:21] [sound Library Loader/INFO]: Sound engine started
[17:06:23] [Client thread/INFO]: Created: 2048x2048 textures-atlas
[17:06:28] [server thread/INFO]: Starting integrated minecraft server version 1.8
[17:06:28] [server thread/INFO]: Generating keypair
[17:06:28] [server thread/INFO] [FML]: Injecting existing block and item data into this server instance
[17:06:28] [server thread/INFO] [FML]: Applying holder lookups
[17:06:28] [server thread/INFO] [FML]: Holder lookups applied
[17:06:29] [server thread/INFO] [FML]: Loading dimension 0 (New World) (net.minecraft.server.integrated.IntegratedServer@1be015e1)
[17:06:29] [server thread/INFO] [FML]: Loading dimension 1 (New World) (net.minecraft.server.integrated.IntegratedServer@1be015e1)
[17:06:29] [server thread/INFO] [FML]: Loading dimension -1 (New World) (net.minecraft.server.integrated.IntegratedServer@1be015e1)
[17:06:29] [server thread/INFO]: Preparing start region for level 0
[17:06:30] [server thread/INFO]: Changing view distance to 32, from 10
[17:06:30] [Netty Local Client IO #0/INFO] [FML]: Server protocol version 1
[17:06:30] [Netty Server IO #1/INFO] [FML]: Client protocol version 1
[17:06:30] [Netty Server IO #1/INFO] [FML]: Client attempting to join with 3 mods :
[email protected],
[email protected],
[email protected]
[17:06:30] [Netty Local Client IO #0/INFO] [FML]: [Netty Local Client IO #0] Client side modded connection established
[17:06:30] [server thread/INFO] [FML]: [server thread] Server side modded connection established
[17:06:30] [server thread/INFO]: Chuckaboo[local:E:1e80fd3d] logged in with entity id 72 at (1534.3007892110036, 71.99270118065783, -530.6999999880791)
[17:06:30] [server thread/INFO]: Chuckaboo joined the game
[17:06:55] [server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 24722ms behind, skipping 494 tick(s)
[17:07:10] [server thread/INFO]: Saving and pausing game...
[17:07:10] [server thread/INFO]: Saving chunks for level 'New World'/Overworld
I've tried everything and it only happens with forge, nothing else. So I'm really confused.
I also get lower FPS when this happens.