Might relate to:
When I respawn in a default world, it sometimes happens that my FPS go down to 20 (and then decreasing), I have consistent chunk updates of about 100 even if I don't move and the gameRenderer increases nearly without clearing memory.
Forced crash
---- Minecraft Crash Report ----
// Why did you do that?
Time: 09.09.15 13:53
Description: Manually triggered debug crash
java.lang.Throwable
at azo.s(SourceFile:1625)
at azo.as(SourceFile:929)
at azo.a(SourceFile:378)
at net.minecraft.client.main.Main.main(SourceFile:125)
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- Head --
Stacktrace:
at bhu.a(SourceFile:361)
-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [bjt['Marcono1234'/154, l='MpServer', x=69,50, y=71,00, z=227,50]]
Chunk stats: MultiplayerChunkCache: 594, 594
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: 64,00,64,00,236,00 - World: (64,64,236), Chunk: (at 0,4,12 in 4,14; contains blocks 64,0,224 to 79,255,239), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 7801 game time, 7801 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
Forced entities: 77 total; [yn['Zombie'/11310, l='MpServer', x=72,50, y=27,00, z=189,50], xw['Creeper'/11311, l='MpServer', x=80,53, y=28,00, z=242,06], vf['Chicken'/53, l='MpServer', x=18,75, y=70,00, z=233,47], vf['Chicken'/54, l='MpServer', x=63,63, y=71,00, z=257,66], vf['Chicken'/55, l='MpServer', x=37,72, y=69,00, z=237,47], vf['Chicken'/56, l='MpServer', x=62,40, y=71,00, z=252,36], vh['Horse'/57, l='MpServer', x=46,16, y=70,00, z=264,75], vh['Horse'/58, l='MpServer', x=44,94, y=70,00, z=257,28], vh['Horse'/59, l='MpServer', x=44,72, y=70,00, z=264,16], vh['Horse'/60, l='MpServer', x=57,22, y=72,00, z=267,13], vh['Horse'/61, l='MpServer', x=48,78, y=70,00, z=262,09], vn['Sheep'/62, l='MpServer', x=78,63, y=78,00, z=257,53], vn['Sheep'/63, l='MpServer', x=63,63, y=72,00, z=259,94], vn['Sheep'/65, l='MpServer', x=50,16, y=70,00, z=262,06], vn['Sheep'/66, l='MpServer', x=81,13, y=78,00, z=276,81], vn['Sheep'/67, l='MpServer', x=82,66, y=81,00, z=270,41], vn['Sheep'/68, l='MpServer', x=61,97, y=72,00, z=276,91], vn['Sheep'/69, l='MpServer', x=73,66, y=75,00, z=273,44], vm['Rabbit'/83, l='MpServer', x=103,31, y=82,00, z=305,50], vm['Rabbit'/84, l='MpServer', x=113,72, y=89,00, z=303,50], vm['Rabbit'/85, l='MpServer', x=109,34, y=82,00, z=305,34], vm['Rabbit'/86, l='MpServer', x=141,88, y=77,00, z=237,44], vm['Rabbit'/87, l='MpServer', x=148,34, y=77,00, z=242,34], vc['Bat'/11351, l='MpServer', x=37,67, y=30,00, z=254,67], vm['Rabbit'/88, l='MpServer', x=148,34, y=81,00, z=245,34], vc['Bat'/11352, l='MpServer', x=42,57, y=28,59, z=258,51], vm['Rabbit'/89, l='MpServer', x=145,50, y=69,00, z=300,50], vm['Rabbit'/90, l='MpServer', x=144,34, y=63,00, z=302,34], vm['Rabbit'/91, l='MpServer', x=141,34, y=63,00, z=304,34], vc['Bat'/11355, l='MpServer', x=10,02, y=13,94, z=230,22], vm['Rabbit'/92, l='MpServer', x=142,88, y=73,00, z=239,69], vc['Bat'/11356, l='MpServer', x=12,33, y=12,21, z=234,63], vc['Bat'/11371, l='MpServer', x=73,47, y=36,10, z=267,26], vc['Bat'/11372, l='MpServer', x=72,73, y=34,00, z=269,94], vc['Bat'/11381, l='MpServer', x=109,39, y=27,17, z=187,18], bjt['Marcono1234'/154, l='MpServer', x=56,52, y=71,00, z=245,81], yj['Skeleton'/10377, l='MpServer', x=48,91, y=22,00, z=212,41], xw['Creeper'/11412, l='MpServer', x=30,31, y=59,00, z=198,06], bjt['Marcono1234'/154, l='MpServer', x=73,41, y=84,00, z=258,27], yj['Skeleton'/11439, l='MpServer', x=123,83, y=15,06, z=225,30], xw['Creeper'/11543, l='MpServer', x=8,50, y=45,00, z=161,50], yn['Zombie'/11570, l='MpServer', x=142,39, y=30,00, z=269,29], xw['Creeper'/10565, l='MpServer', x=-2,53, y=48,00, z=170,63], yj['Skeleton'/9589, l='MpServer', x=85,50, y=30,00, z=155,50], vc['Bat'/10693, l='MpServer', x=74,71, y=37,59, z=164,97], yj['Skeleton'/10706, l='MpServer', x=0,16, y=19,00, z=224,13], yj['Skeleton'/10707, l='MpServer', x=2,50, y=19,00, z=222,50], yn['Zombie'/10709, l='MpServer', x=1,59, y=19,00, z=223,31], yn['Zombie'/10710, l='MpServer', x=-0,72, y=19,00, z=223,28], yn['Zombie'/10760, l='MpServer', x=-4,50, y=28,00, z=248,50], vc['Bat'/9766, l='MpServer', x=55,75, y=44,10, z=167,34], yn['Zombie'/10824, l='MpServer', x=45,69, y=40,00, z=154,69], xw['Creeper'/10825, l='MpServer', x=39,50, y=40,00, z=151,50], xw['Creeper'/10826, l='MpServer', x=43,31, y=40,00, z=149,63], xw['Creeper'/10827, l='MpServer', x=42,91, y=40,00, z=148,56], yn['Zombie'/9816, l='MpServer', x=38,41, y=40,00, z=153,97], xw['Creeper'/9817, l='MpServer', x=148,50, y=34,00, z=253,50], xw['Creeper'/10893, l='MpServer', x=45,03, y=41,00, z=171,41], xw['Creeper'/10923, l='MpServer', x=64,91, y=19,00, z=190,31], xw['Creeper'/10950, l='MpServer', x=63,50, y=41,00, z=165,50], xw['Creeper'/10951, l='MpServer', x=55,00, y=43,00, z=165,59], vc['Bat'/10972, l='MpServer', x=41,91, y=39,45, z=167,46], vc['Bat'/10973, l='MpServer', x=46,11, y=40,98, z=169,63], vc['Bat'/10974, l='MpServer', x=41,32, y=40,38, z=164,54], xw['Creeper'/9969, l='MpServer', x=130,50, y=19,00, z=219,50], vc['Bat'/8948, l='MpServer', x=9,53, y=58,14, z=213,04], xw['Creeper'/11033, l='MpServer', x=54,50, y=23,00, z=198,50], yk['Slime'/11105, l='MpServer', x=138,02, y=26,50, z=254,08], yj['Skeleton'/11121, l='MpServer', x=7,50, y=18,00, z=209,50], yj['Skeleton'/11122, l='MpServer', x=12,50, y=18,00, z=211,50], xw['Creeper'/11136, l='MpServer', x=44,47, y=43,00, z=161,03], xw['Creeper'/11137, l='MpServer', x=56,63, y=38,00, z=147,44], yj['Skeleton'/11139, l='MpServer', x=41,50, y=40,00, z=149,50], yn['Zombie'/9153, l='MpServer', x=50,50, y=44,00, z=229,50], yj['Skeleton'/10182, l='MpServer', x=52,50, y=42,00, z=162,50], xx['Enderman'/11248, l='MpServer', x=6,50, y=41,00, z=245,50], bjt['Marcono1234'/154, l='MpServer', x=69,50, y=71,00, z=227,50]]
Retry entities: 0 total; []
Server brand: vanilla
Server type: Integrated singleplayer server
Stacktrace:
at bhu.a(SourceFile:361)
at azo.b(SourceFile:2375)
at azo.a(SourceFile:387)
at net.minecraft.client.main.Main.main(SourceFile:125)
-- System Details --
Details:
Minecraft Version: 15w36d
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 114258168 bytes (108 MB) / 409980928 bytes (390 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
Launched Version: 15w36d
LWJGL: 2.9.4
OpenGL: AMD Radeon HD 6800 Series GL version 4.5.13399 Compatibility Profile Context 15.200.1062.1004, ATI Technologies Inc.
GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.
Using VBOs: Yes
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs:
Current Language: English (US)
Profiler Position: N/A (disabled)
CPU: 6x AMD Phenom(tm) II X6 1055T Processor
Seems to be fixed in 15w39c and maybe earlier