gomobile init fatal error: MSpanList_Insert

[jpsim]

In following the steps from the "Mobile" tutorial on this repo's wiki, I got the following crash. Please let me know if there's other useful information I could provide to help troubleshoot.

---

Go Version: go1.6 darwin/amd64
Environment:

GOARCH="amd64"
GOBIN=""
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="darwin"
GOOS="darwin"
GOPATH="/Users/jp/golang/"
GORACE=""
GOROOT="/usr/local/Cellar/go/1.6/libexec"
GOTOOLDIR="/usr/local/Cellar/go/1.6/libexec/pkg/tool/darwin_amd64"
GO15VENDOREXPERIMENT="1"
CC="clang"
GOGCCFLAGS="-fPIC -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fno-common"
CXX="clang++"
CGO_ENABLED="1"

What did you do?

$ go get golang.org/x/mobile/cmd/gomobile
$ gomobile init
gomobile: go install -gcflags=-shared -ldflags=-shared -pkgdir=/Users/jp/golang/pkg/gomobile/pkg_android_amd64 std failed: exit status 2
# internal/race
failed MSpanList_Insert 0xafb7d8 0x1160d92510f72 0x0 0x0
fatal error: MSpanList_Insert

runtime stack:
runtime.throw(0x46e5c0, 0x10)
	/usr/local/Cellar/go/1.6/libexec/src/runtime/panic.go:530 +0x90
runtime.(*mSpanList).insert(0x983d48, 0xafb7d8)
	/usr/local/Cellar/go/1.6/libexec/src/runtime/mheap.go:933 +0x293
runtime.(*mheap).freeSpanLocked(0x983540, 0xafb7d8, 0x100, 0x0)
	/usr/local/Cellar/go/1.6/libexec/src/runtime/mheap.go:809 +0x4be
runtime.(*mheap).grow(0x983540, 0x8, 0x0)
	/usr/local/Cellar/go/1.6/libexec/src/runtime/mheap.go:675 +0x2a0
runtime.(*mheap).allocSpanLocked(0x983540, 0x1, 0xafb760)
	/usr/local/Cellar/go/1.6/libexec/src/runtime/mheap.go:553 +0x4e3
runtime.(*mheap).alloc_m(0x983540, 0x1, 0x10, 0xafb760)
	/usr/local/Cellar/go/1.6/libexec/src/runtime/mheap.go:437 +0x119
runtime.(*mheap).alloc.func1()
	/usr/local/Cellar/go/1.6/libexec/src/runtime/mheap.go:502 +0x41
runtime.systemstack(0x7fff5fbff008)
	/usr/local/Cellar/go/1.6/libexec/src/runtime/asm_amd64.s:307 +0xab
runtime.(*mheap).alloc(0x983540, 0x1, 0x10000000010, 0xeb4f)
	/usr/local/Cellar/go/1.6/libexec/src/runtime/mheap.go:503 +0x63
runtime.(*mcentral).grow(0x984f10, 0x0)
	/usr/local/Cellar/go/1.6/libexec/src/runtime/mcentral.go:209 +0x93
runtime.(*mcentral).cacheSpan(0x984f10, 0xc8200101b0)
	/usr/local/Cellar/go/1.6/libexec/src/runtime/mcentral.go:89 +0x47d
runtime.(*mcache).refill(0xaf5000, 0x10, 0xc820010180)
	/usr/local/Cellar/go/1.6/libexec/src/runtime/mcache.go:119 +0xcc
runtime.mallocgc.func2()
	/usr/local/Cellar/go/1.6/libexec/src/runtime/malloc.go:642 +0x2b
runtime.systemstack(0x974d00)
	/usr/local/Cellar/go/1.6/libexec/src/runtime/asm_amd64.s:291 +0x79
runtime.mstart()
	/usr/local/Cellar/go/1.6/libexec/src/runtime/proc.go:1048

goroutine 1 [running]:
runtime.systemstack_switch()
	/usr/local/Cellar/go/1.6/libexec/src/runtime/asm_amd64.s:245 fp=0xc8200c55b8 sp=0xc8200c55b0
runtime.mallocgc(0xf0, 0x4386e0, 0x0, 0x0)
	/usr/local/Cellar/go/1.6/libexec/src/runtime/malloc.go:643 +0x869 fp=0xc8200c5690 sp=0xc8200c55b8
runtime.newobject(0x4386e0, 0x0)
	/usr/local/Cellar/go/1.6/libexec/src/runtime/malloc.go:781 +0x42 fp=0xc8200c56b8 sp=0xc8200c5690
cmd/compile/internal/gc.structfield(0xc8200f7950, 0xc8200fdef0)
	/usr/local/Cellar/go/1.6/libexec/src/cmd/compile/internal/gc/dcl.go:779 +0x10a fp=0xc8200c5790 sp=0xc8200c56b8
cmd/compile/internal/gc.tofunargs(0xc8200fa3c0, 0xc8200fdc20)
	/usr/local/Cellar/go/1.6/libexec/src/cmd/compile/internal/gc/dcl.go:883 +0xb3 fp=0xc8200c57d0 sp=0xc8200c5790
cmd/compile/internal/gc.functype0(0xc8200fda40, 0x0, 0xc8200fa3a0, 0xc8200fa3e0)
	/usr/local/Cellar/go/1.6/libexec/src/cmd/compile/internal/gc/dcl.go:1188 +0xc9 fp=0xc8200c5810 sp=0xc8200c57d0
cmd/compile/internal/gc.functype(0x0, 0xc8200fa3a0, 0xc8200fa3e0, 0x5)
	/usr/local/Cellar/go/1.6/libexec/src/cmd/compile/internal/gc/dcl.go:1173 +0x8d fp=0xc8200c5850 sp=0xc8200c5810
cmd/compile/internal/gc.(*parser).hidden_fndcl(0x973b80, 0x0)
	/usr/local/Cellar/go/1.6/libexec/src/cmd/compile/internal/gc/parser.go:2161 +0x2f7 fp=0xc8200c5930 sp=0xc8200c5850
cmd/compile/internal/gc.(*parser).hidden_import(0x973b80)
	/usr/local/Cellar/go/1.6/libexec/src/cmd/compile/internal/gc/parser.go:3017 +0x15a fp=0xc8200c5a58 sp=0xc8200c5930
cmd/compile/internal/gc.(*parser).hidden_import_list(0x973b80)
	/usr/local/Cellar/go/1.6/libexec/src/cmd/compile/internal/gc/parser.go:3462 +0x28 fp=0xc8200c5a80 sp=0xc8200c5a58
cmd/compile/internal/gc.(*parser).import_there(0x973b80)
	/usr/local/Cellar/go/1.6/libexec/src/cmd/compile/internal/gc/parser.go:503 +0x26 fp=0xc8200c5aa8 sp=0xc8200c5a80
cmd/compile/internal/gc.(*parser).loadsys(0x973b80)
	/usr/local/Cellar/go/1.6/libexec/src/cmd/compile/internal/gc/parser.go:77 +0x96 fp=0xc8200c5ad0 sp=0xc8200c5aa8
cmd/compile/internal/gc.parse_file()
	/usr/local/Cellar/go/1.6/libexec/src/cmd/compile/internal/gc/parser.go:54 +0x3a fp=0xc8200c5ae0 sp=0xc8200c5ad0
cmd/compile/internal/gc.Main()
	/usr/local/Cellar/go/1.6/libexec/src/cmd/compile/internal/gc/lex.go:345 +0x1d44 fp=0xc8200c5e00 sp=0xc8200c5ae0
cmd/compile/internal/amd64.Main()
	/usr/local/Cellar/go/1.6/libexec/src/cmd/compile/internal/amd64/galign.go:127 +0x58d fp=0xc8200c5e68 sp=0xc8200c5e00
main.main()
	/usr/local/Cellar/go/1.6/libexec/src/cmd/compile/main.go:32 +0x395 fp=0xc8200c5f40 sp=0xc8200c5e68
runtime.main()
	/usr/local/Cellar/go/1.6/libexec/src/runtime/proc.go:188 +0x2b0 fp=0xc8200c5f90 sp=0xc8200c5f40
runtime.goexit()
	/usr/local/Cellar/go/1.6/libexec/src/runtime/asm_amd64.s:1998 +0x1 fp=0xc8200c5f98 sp=0xc8200c5f90

[bradfitz]

Your Go version is too old for Sierra.

[bradfitz]

Update to Go 1.7.4.

Dup of #16570, #18380, etc.

[jpsim]

Excellent, thanks for the quick response. Perhaps this could be reflected in the wiki, where it says:

Note: You need to have Go 1.5 or above to install mobile tools.

Simply adding "Or Go 1.7.4 or above if using macOS Sierra or later" would've been helpful.

Thanks again.

[bradfitz]

@jpsim, done.