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x/playground: conway's game of life gets fatal error runtime out of memory #28410

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johandalabacka opened this issue Oct 26, 2018 · 1 comment
Closed

x/playground: conway's game of life gets fatal error runtime out of memory #28410

johandalabacka opened this issue Oct 26, 2018 · 1 comment
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@johandalabacka
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Please answer these questions before submitting your issue. Thanks!

What version of Go are you using (go version)?

I'm using the playground on https://golang.org/#

Does this issue reproduce with the latest release?

I don't know the version on https://golang.org/#

What operating system and processor architecture are you using (go env)?

What did you do?

Go to https://golang.org/# and in the play window select Conway's game of life and press Run.

What did you expect to see?

The program running.

What did you see instead?

go tool compile: exit status 2
fatal error: runtime: out of memory

runtime stack:
runtime.throw(0xcad06a, 0x16)
	/usr/local/go/src/runtime/panic.go:608 +0x72 fp=0x7ffdcac812d0 sp=0x7ffdcac812a0 pc=0x42aa72
runtime.sysMap(0xc000000000, 0x4000000, 0x1378398)
	/usr/local/go/src/runtime/mem_linux.go:156 +0xc7 fp=0x7ffdcac81310 sp=0x7ffdcac812d0 pc=0x4164b7
runtime.(*mheap).sysAlloc(0x13556e0, 0x4000000, 0x0, 0x0)
	/usr/local/go/src/runtime/malloc.go:619 +0x1c7 fp=0x7ffdcac81398 sp=0x7ffdcac81310 pc=0x40aa27
runtime.(*mheap).grow(0x13556e0, 0x1, 0x0)
	/usr/local/go/src/runtime/mheap.go:920 +0x42 fp=0x7ffdcac813f0 sp=0x7ffdcac81398 pc=0x4227c2
runtime.(*mheap).allocSpanLocked(0x13556e0, 0x1, 0x13783a8, 0x0)
	/usr/local/go/src/runtime/mheap.go:848 +0x337 fp=0x7ffdcac81430 sp=0x7ffdcac813f0 pc=0x422647
runtime.(*mheap).alloc_m(0x13556e0, 0x1, 0x2a, 0x0)
	/usr/local/go/src/runtime/mheap.go:692 +0x119 fp=0x7ffdcac81470 sp=0x7ffdcac81430 pc=0x421e59
runtime.(*mheap).alloc.func1()
	/usr/local/go/src/runtime/mheap.go:759 +0x4c fp=0x7ffdcac814a8 sp=0x7ffdcac81470 pc=0x453edc
runtime.(*mheap).alloc(0x13556e0, 0x1, 0x1002a, 0x0)
	/usr/local/go/src/runtime/mheap.go:758 +0x8a fp=0x7ffdcac814f8 sp=0x7ffdcac814a8 pc=0x4220fa
runtime.(*mcentral).grow(0x1357498, 0x0)
	/usr/local/go/src/runtime/mcentral.go:232 +0x94 fp=0x7ffdcac81540 sp=0x7ffdcac814f8 pc=0x415eb4
runtime.(*mcentral).cacheSpan(0x1357498, 0x7f60ea4c5000)
	/usr/local/go/src/runtime/mcentral.go:106 +0x2f8 fp=0x7ffdcac81588 sp=0x7ffdcac81540 pc=0x415a08
runtime.(*mcache).refill(0x7f60ea4c5000, 0x2a)
	/usr/local/go/src/runtime/mcache.go:122 +0x95 fp=0x7ffdcac815b8 sp=0x7ffdcac81588 pc=0x4155c5
runtime.(*mcache).nextFree.func1()
	/usr/local/go/src/runtime/malloc.go:749 +0x32 fp=0x7ffdcac815d8 sp=0x7ffdcac815b8 pc=0x4532f2
runtime.(*mcache).nextFree(0x7f60ea4c5000, 0x137842a, 0x4000, 0x7f60ea4c5000, 0x7ffdcac81698)
	/usr/local/go/src/runtime/malloc.go:748 +0xb6 fp=0x7ffdcac81630 sp=0x7ffdcac815d8 pc=0x40b0d6
runtime.mallocgc(0x180, 0xc97fa0, 0x7ffdcac81601, 0x7f60ea4c9000)
	/usr/local/go/src/runtime/malloc.go:903 +0x793 fp=0x7ffdcac816d0 sp=0x7ffdcac81630 pc=0x40ba23
runtime.newobject(0xc97fa0, 0x1378400)
	/usr/local/go/src/runtime/malloc.go:1032 +0x38 fp=0x7ffdcac81700 sp=0x7ffdcac816d0 pc=0x40be08
runtime.malg(0x7f6000008000, 0x7f60ea4c5000)
	/usr/local/go/src/runtime/proc.go:3285 +0x31 fp=0x7ffdcac81740 sp=0x7ffdcac81700 pc=0x433df1
runtime.mpreinit(0x1347ec0)
	/usr/local/go/src/runtime/os_linux.go:311 +0x29 fp=0x7ffdcac81760 sp=0x7ffdcac81740 pc=0x428ea9
runtime.mcommoninit(0x1347ec0)
	/usr/local/go/src/runtime/proc.go:624 +0xc1 fp=0x7ffdcac81798 sp=0x7ffdcac81760 pc=0x42d8a1
runtime.schedinit()
	/usr/local/go/src/runtime/proc.go:546 +0x89 fp=0x7ffdcac81800 sp=0x7ffdcac81798 pc=0x42d569
runtime.rt0_go(0x7ffdcac81838, 0x2, 0x7ffdcac81838, 0x0, 0x0, 0x2, 0x7ffdcac82e9b, 0x7ffdcac82ec6, 0x0, 0x7ffdcac82ece, ...)
	/usr/local/go/src/runtime/asm_amd64.s:195 +0x11a fp=0x7ffdcac81808 sp=0x7ffdcac81800 pc=0x455b7a
go tool compile: exit status 2
fatal error: runtime: out of memory

runtime stack:
runtime.throw(0xcad06a, 0x16)
	/usr/local/go/src/runtime/panic.go:608 +0x72 fp=0x7ffffa725ad0 sp=0x7ffffa725aa0 pc=0x42aa72
runtime.sysMap(0xc000000000, 0x4000000, 0x1378398)
	/usr/local/go/src/runtime/mem_linux.go:156 +0xc7 fp=0x7ffffa725b10 sp=0x7ffffa725ad0 pc=0x4164b7
runtime.(*mheap).sysAlloc(0x13556e0, 0x4000000, 0x0, 0x0)
	/usr/local/go/src/runtime/malloc.go:619 +0x1c7 fp=0x7ffffa725b98 sp=0x7ffffa725b10 pc=0x40aa27
runtime.(*mheap).grow(0x13556e0, 0x1, 0x0)
	/usr/local/go/src/runtime/mheap.go:920 +0x42 fp=0x7ffffa725bf0 sp=0x7ffffa725b98 pc=0x4227c2
runtime.(*mheap).allocSpanLocked(0x13556e0, 0x1, 0x13783a8, 0x0)
	/usr/local/go/src/runtime/mheap.go:848 +0x337 fp=0x7ffffa725c30 sp=0x7ffffa725bf0 pc=0x422647
runtime.(*mheap).alloc_m(0x13556e0, 0x1, 0x2a, 0x0)
	/usr/local/go/src/runtime/mheap.go:692 +0x119 fp=0x7ffffa725c70 sp=0x7ffffa725c30 pc=0x421e59
runtime.(*mheap).alloc.func1()
	/usr/local/go/src/runtime/mheap.go:759 +0x4c fp=0x7ffffa725ca8 sp=0x7ffffa725c70 pc=0x453edc
runtime.(*mheap).alloc(0x13556e0, 0x1, 0x1002a, 0x0)
	/usr/local/go/src/runtime/mheap.go:758 +0x8a fp=0x7ffffa725cf8 sp=0x7ffffa725ca8 pc=0x4220fa
runtime.(*mcentral).grow(0x1357498, 0x0)
	/usr/local/go/src/runtime/mcentral.go:232 +0x94 fp=0x7ffffa725d40 sp=0x7ffffa725cf8 pc=0x415eb4
runtime.(*mcentral).cacheSpan(0x1357498, 0x7fcf7973d000)
	/usr/local/go/src/runtime/mcentral.go:106 +0x2f8 fp=0x7ffffa725d88 sp=0x7ffffa725d40 pc=0x415a08
runtime.(*mcache).refill(0x7fcf7973d000, 0x2a)
	/usr/local/go/src/runtime/mcache.go:122 +0x95 fp=0x7ffffa725db8 sp=0x7ffffa725d88 pc=0x4155c5
runtime.(*mcache).nextFree.func1()
	/usr/local/go/src/runtime/malloc.go:749 +0x32 fp=0x7ffffa725dd8 sp=0x7ffffa725db8 pc=0x4532f2
runtime.(*mcache).nextFree(0x7fcf7973d000, 0x137842a, 0x4000, 0x7fcf7973d000, 0x7ffffa725e98)
	/usr/local/go/src/runtime/malloc.go:748 +0xb6 fp=0x7ffffa725e30 sp=0x7ffffa725dd8 pc=0x40b0d6
runtime.mallocgc(0x180, 0xc97fa0, 0x7ffffa725e01, 0x7fcf79741000)
	/usr/local/go/src/runtime/malloc.go:903 +0x793 fp=0x7ffffa725ed0 sp=0x7ffffa725e30 pc=0x40ba23
runtime.newobject(0xc97fa0, 0x1378400)
	/usr/local/go/src/runtime/malloc.go:1032 +0x38 fp=0x7ffffa725f00 sp=0x7ffffa725ed0 pc=0x40be08
runtime.malg(0x7fcf00008000, 0x7fcf7973d000)
	/usr/local/go/src/runtime/proc.go:3285 +0x31 fp=0x7ffffa725f40 sp=0x7ffffa725f00 pc=0x433df1
runtime.mpreinit(0x1347ec0)
	/usr/local/go/src/runtime/os_linux.go:311 +0x29 fp=0x7ffffa725f60 sp=0x7ffffa725f40 pc=0x428ea9
runtime.mcommoninit(0x1347ec0)
	/usr/local/go/src/runtime/proc.go:624 +0xc1 fp=0x7ffffa725f98 sp=0x7ffffa725f60 pc=0x42d8a1
runtime.schedinit()
	/usr/local/go/src/runtime/proc.go:546 +0x89 fp=0x7ffffa726000 sp=0x7ffffa725f98 pc=0x42d569
runtime.rt0_go(0x7ffffa726038, 0x2, 0x7ffffa726038, 0x0, 0x0, 0x2, 0x7ffffa727e9b, 0x7ffffa727ec6, 0x0, 0x7ffffa727ece, ...)
	/usr/local/go/src/runtime/asm_amd64.s:195 +0x11a fp=0x7ffffa726008 sp=0x7ffffa726000 pc=0x455b7a

Program exited.

However if I change

func main() {
	l := NewLife(40, 15)

in to

func main() {
	l := NewLife(10, 10)

Will it work
@ysmolski
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duplicate of #28283

@ysmolski ysmolski changed the title Conway's game of life gets fatal error runtime out of memory x/playground: conway's game of life gets fatal error runtime out of memory Oct 26, 2018
@golang golang locked and limited conversation to collaborators Oct 26, 2019
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@ysmolski @gopherbot @johandalabacka