Ever since 1.5, my survival world in Minecraft has been giving me extreme lag. My FPS drops to 0 and I must Ctrl Alt Delete my way out of Minecraft. I'm not sure why, because my PC runs a good 125-200 FPS in Minecraft. This happends to me only in Survival single player, and I am very upset.
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I got the same problem. I just restart my computer (restart option) and i got my fps 'back'.
Please force a crash by pressing F3 + C for 10 seconds while ingame and attach the crash report here.
Minecraft has crashed!
----------------------
Minecraft has stopped running because it encountered a problem; Manually triggered debug crash
A full error report has been saved to C:\Users\Kostas\AppData\Roaming\.minecraft\crash-reports\crash-2013-03-25_06.27.07-client.txt - Please include a copy of that file (Not this screen!) if you report this crash to anyone; without it, they will not be able to help fix the crash 😞
— BEGIN ERROR REPORT 5267f735 --------
Full report at:
C:\Users\Kostas\AppData\Roaming\.minecraft\crash-reports\crash-2013-03-25_06.27.07-client.txt
Please show that file to Mojang, NOT just this screen!
Generated 3/25/13 6:27 AM
– Affected level –
Details:
Level name: MpServer
All players: 1 total; [bdw['Kv321RBLX'/830, l='MpServer', x=56.43, y=114.62, z=356.28]]
Chunk stats: MultiplayerChunkCache: 441
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: World: (36,64,256), Chunk: (at 4,4,0 in 2,16; contains blocks 32,0,256 to 47,255,271), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 243881 game time, 392726 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: survival (ID 0). Hardcore: false. Cheats: false
Forced entities: 107 total; [qg['Bat'/1661, l='MpServer', x=17.49, y=28.72, z=296.85], qg['Bat'/1660, l='MpServer', x=17.74, y=33.52, z=296.63], ru['Creeper'/774, l='MpServer', x=130.50, y=27.00, z=375.50], ru['Creeper'/775, l='MpServer', x=131.50, y=27.00, z=376.50], ru['Creeper'/772, l='MpServer', x=132.50, y=27.00, z=377.50], ru['Creeper'/773, l='MpServer', x=135.50, y=27.00, z=379.50], ru['Creeper'/770, l='MpServer', x=133.50, y=27.00, z=379.03], sj['Zombie'/771, l='MpServer', x=133.50, y=27.00, z=376.50], sj['Zombie'/769, l='MpServer', x=129.50, y=26.00, z=373.50], ru['Creeper'/780, l='MpServer', x=136.50, y=77.00, z=428.00], sf['Skeleton'/776, l='MpServer', x=137.50, y=20.00, z=386.50], sf['Skeleton'/618, l='MpServer', x=9.50, y=33.00, z=296.50], sf['Skeleton'/619, l='MpServer', x=12.50, y=33.00, z=297.50], qg['Bat'/616, l='MpServer', x=18.13, y=38.00, z=286.66], sf['Skeleton'/617, l='MpServer', x=14.88, y=33.00, z=299.19], sf['Skeleton'/622, l='MpServer', x=14.50, y=36.00, z=311.50], sf['Skeleton'/623, l='MpServer', x=14.50, y=28.00, z=329.63], ru['Creeper'/620, l='MpServer', x=15.66, y=35.00, z=300.31], sf['Skeleton'/621, l='MpServer', x=14.50, y=36.00, z=312.50], bdw['Kv321RBLX'/830, l='MpServer', x=56.43, y=114.62, z=356.28], sg['Slime'/631, l='MpServer', x=26.38, y=32.00, z=285.15], sg['Slime'/630, l='MpServer', x=20.31, y=30.00, z=291.31], sf['Skeleton'/629, l='MpServer', x=24.91, y=33.00, z=283.41], np['Painting'/680, l='MpServer', x=74.94, y=108.00, z=363.00], sj['Zombie'/628, l='MpServer', x=22.09, y=39.00, z=285.25], np['Painting'/679, l='MpServer', x=74.00, y=108.50, z=360.06], np['Painting'/678, l='MpServer', x=74.00, y=107.50, z=360.06], qg['Bat'/635, l='MpServer', x=27.25, y=43.88, z=324.19], np['Painting'/677, l='MpServer', x=72.00, y=108.00, z=360.06], sj['Zombie'/634, l='MpServer', x=20.91, y=41.00, z=316.50], ru['Creeper'/633, l='MpServer', x=25.44, y=33.00, z=302.72], ru['Creeper'/632, l='MpServer', x=26.38, y=34.00, z=301.84], ru['Creeper'/638, l='MpServer', x=14.78, y=17.00, z=407.88], qg['Bat'/637, l='MpServer', x=26.06, y=24.10, z=312.38], sg['Slime'/636, l='MpServer', x=26.63, y=17.00, z=330.38], qn['Pig'/602, l='MpServer', x=-17.16, y=71.00, z=322.50], qj['Cow'/605, l='MpServer', x=-14.63, y=76.00, z=325.25], qn['Pig'/606, l='MpServer', x=-10.50, y=92.00, z=435.31], qg['Bat'/2035, l='MpServer', x=111.33, y=21.00, z=401.03], rv['Enderman'/684, l='MpServer', x=76.28, y=28.00, z=435.13], ru['Creeper'/683, l='MpServer', x=71.50, y=93.00, z=422.50], sf['Skeleton'/682, l='MpServer', x=66.50, y=35.00, z=390.50], ru['Creeper'/681, l='MpServer', x=65.47, y=13.00, z=369.84], np['Painting'/680, l='MpServer', x=74.94, y=108.00, z=363.00], np['Painting'/679, l='MpServer', x=74.00, y=108.50, z=360.06], np['Painting'/678, l='MpServer', x=74.00, y=107.50, z=360.06], np['Painting'/677, l='MpServer', x=72.00, y=108.00, z=360.06], ru['Creeper'/676, l='MpServer', x=79.50, y=53.00, z=363.50], sj['Zombie'/675, l='MpServer', x=74.84, y=21.00, z=352.38], ru['Creeper'/674, l='MpServer', x=65.38, y=20.00, z=364.91], sg['Slime'/673, l='MpServer', x=74.31, y=21.00, z=355.69], sj['Zombie'/672, l='MpServer', x=65.50, y=68.00, z=345.50], sj['Zombie'/702, l='MpServer', x=80.50, y=23.00, z=352.50], qr['Squid'/703, l='MpServer', x=89.94, y=57.34, z=378.19], qn['Pig'/700, l='MpServer', x=81.06, y=63.00, z=295.78], qg['Bat'/701, l='MpServer', x=78.34, y=22.91, z=342.42], sh['Spider'/655, l='MpServer', x=63.25, y=18.00, z=299.06], sf['Skeleton'/654, l='MpServer', x=55.69, y=17.00, z=291.44], qg['Bat'/645, l='MpServer', x=32.39, y=48.92, z=343.56], qg['Bat'/644, l='MpServer', x=42.34, y=16.00, z=317.44], qg['Bat'/646, l='MpServer', x=36.25, y=49.10, z=348.50], sf['Skeleton'/643, l='MpServer', x=36.50, y=26.00, z=293.50], qg['Bat'/668, l='MpServer', x=69.84, y=23.10, z=332.16], qg['Bat'/669, l='MpServer', x=78.08, y=21.00, z=341.97], ru['Creeper'/670, l='MpServer', x=67.44, y=68.00, z=342.75], ru['Creeper'/671, l='MpServer', x=69.09, y=68.00, z=342.25], ru['Creeper'/665, l='MpServer', x=83.03, y=16.00, z=322.56], sj['Zombie'/666, l='MpServer', x=72.50, y=21.00, z=312.50], sj['Zombie'/667, l='MpServer', x=79.50, y=21.00, z=311.50], ru['Creeper'/656, l='MpServer', x=51.00, y=19.00, z=324.50], sf['Skeleton'/657, l='MpServer', x=55.84, y=56.00, z=337.22], ru['Creeper'/658, l='MpServer', x=63.50, y=68.00, z=345.50], sf['Skeleton'/747, l='MpServer', x=115.69, y=35.00, z=303.69], sf['Skeleton'/746, l='MpServer', x=115.38, y=35.00, z=302.84], sf['Skeleton'/751, l='MpServer', x=114.50, y=11.00, z=359.50], sh['Spider'/750, l='MpServer', x=123.19, y=20.00, z=348.72], qn['Pig'/749, l='MpServer', x=114.22, y=63.00, z=317.88], qg['Bat'/748, l='MpServer', x=103.41, y=15.00, z=312.75], qr['Squid'/738, l='MpServer', x=96.22, y=62.28, z=397.22], rh['item.item.dyePowder.black'/737, l='MpServer', x=100.75, y=59.13, z=397.47], ru['Creeper'/736, l='MpServer', x=116.22, y=47.00, z=356.16], qg['Bat'/767, l='MpServer', x=109.78, y=38.90, z=274.38], sj['Zombie'/755, l='MpServer', x=113.50, y=43.00, z=411.50], ru['Creeper'/752, l='MpServer', x=115.50, y=24.00, z=357.50], qg['Bat'/753, l='MpServer', x=126.27, y=22.22, z=351.94], ru['Creeper'/756, l='MpServer', x=118.31, y=37.00, z=409.19], rv['Enderman'/757, l='MpServer', x=116.75, y=36.00, z=421.59], qr['Squid'/705, l='MpServer', x=88.09, y=57.13, z=384.09], qr['Squid'/704, l='MpServer', x=83.50, y=58.38, z=383.50], qr['Squid'/707, l='MpServer', x=86.69, y=59.84, z=393.09], qr['Squid'/706, l='MpServer', x=84.63, y=58.00, z=381.41], qr['Squid'/709, l='MpServer', x=94.50, y=60.38, z=405.50], rh['item.item.dyePowder.black'/708, l='MpServer', x=86.97, y=58.13, z=385.94], sh['Spider'/728, l='MpServer', x=100.13, y=42.00, z=348.84], ru['Creeper'/729, l='MpServer', x=96.00, y=41.00, z=345.00], sf['Skeleton'/730, l='MpServer', x=107.50, y=47.00, z=341.63], sf['Skeleton'/731, l='MpServer', x=99.97, y=46.00, z=334.53], sj['Zombie'/732, l='MpServer', x=96.59, y=54.00, z=350.03], sj['Zombie'/733, l='MpServer', x=100.50, y=54.00, z=350.50], rv['Enderman'/734, l='MpServer', x=108.50, y=47.00, z=341.50], ru['Creeper'/735, l='MpServer', x=108.50, y=43.00, z=352.50], sf['Skeleton'/722, l='MpServer', x=112.47, y=18.00, z=318.31], sf['Skeleton'/723, l='MpServer', x=110.50, y=18.00, z=317.50], sf['Skeleton'/724, l='MpServer', x=114.44, y=18.00, z=321.06], sj['Zombie'/725, l='MpServer', x=101.50, y=20.00, z=325.50], sf['Skeleton'/726, l='MpServer', x=104.53, y=46.00, z=335.84], sf['Skeleton'/727, l='MpServer', x=97.50, y=22.00, z=341.50]]
Retry entities: 0 total; []
Stacktrace:
at bdt.a(SourceFile:282)
at net.minecraft.client.Minecraft.b(SourceFile:1881)
at net.minecraft.client.Minecraft.run(SourceFile:535)
at java.lang.Thread.run(Unknown Source)
– System Details –
Details:
Minecraft Version: 1.5.1
Operating System: Windows 7 (x86) version 6.1
Java Version: 1.7.0_17, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 251071096 bytes (239 MB) / 519110656 bytes (495 MB) up to 1037959168 bytes (989 MB)
JVM Flags: 2 total; -Xms512m -Xmx1024m
AABB Pool Size: 3635 (203560 bytes; 0 MB) allocated, 2 (112 bytes; 0 MB) used
Suspicious classes: No suspicious classes found.
IntCache: cache: 0, tcache: 47, allocated: 1, tallocated: 63
LWJGL: 2.4.2
OpenGL: GeForce GTX 660/PCIe/SSE2 GL version 4.2.0, NVIDIA Corporation
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Texture Pack: Default
Profiler Position: N/A (disabled)
Vec3 Pool Size: 651 (36456 bytes; 0 MB) allocated, 11 (616 bytes; 0 MB) used
java.lang.Throwable
at net.minecraft.client.Minecraft.l(SourceFile:1164)
at net.minecraft.client.Minecraft.K(SourceFile:574)
at net.minecraft.client.Minecraft.run(SourceFile:526)
at java.lang.Thread.run(Unknown Source)
— END ERROR REPORT ac5e0c92 ----------

Nothing to see in crash report.
Duplicate of MC-2176.