I tried to use Go Runtime for AppEngine for Mac. Since, there is a 64-bit
version, I installed that one.
However, whenever I tried to run anything, it was always crashing. For
example, this happens when I did "goapp get google.golang.org/appengine"
# net
fatal error: unexpected signal during runtime execution
[signal 0xb code=0x1 addr=0x1161be989d12 pc=0xf0eb]
runtime stack:
runtime.throw(0x497380, 0x2a)
/private/var/folders/9y/ppk2fnqj5lscwqw_l6lhdrx8005bt1/T/appengine/go_appengine/goroot/src/runtime/panic.go:547
+0x90
runtime.sigpanic()
/private/var/folders/9y/ppk2fnqj5lscwqw_l6lhdrx8005bt1/T/appengine/go_appengine/goroot/src/runtime/sigpanic_unix.go:12
+0x5a
runtime.unlock(0x988540)
/private/var/folders/9y/ppk2fnqj5lscwqw_l6lhdrx8005bt1/T/appengine/go_appengine/goroot/src/runtime/lock_sema.go:107
+0x14b
runtime.(*mheap).alloc_m(0x988540, 0x1, 0x21, 0xec2ff0)
/private/var/folders/9y/ppk2fnqj5lscwqw_l6lhdrx8005bt1/T/appengine/go_appengine/goroot/src/runtime/mheap.go:492
+0x314
runtime.(*mheap).alloc.func1()
/private/var/folders/9y/ppk2fnqj5lscwqw_l6lhdrx8005bt1/T/appengine/go_appengine/goroot/src/runtime/mheap.go:502
+0x41
runtime.systemstack(0x7fff5fbfe348)
/private/var/folders/9y/ppk2fnqj5lscwqw_l6lhdrx8005bt1/T/appengine/go_appengine/goroot/src/runtime/asm_amd64.s:307
+0xab
runtime.(*mheap).alloc(0x988540, 0x1, 0x10000000021, 0xed8f)
/private/var/folders/9y/ppk2fnqj5lscwqw_l6lhdrx8005bt1/T/appengine/go_appengine/goroot/src/runtime/mheap.go:503
+0x63
runtime.(*mcentral).grow(0x98a680, 0x0)
/private/var/folders/9y/ppk2fnqj5lscwqw_l6lhdrx8005bt1/T/appengine/go_appengine/goroot/src/runtime/mcentral.go:209
+0x93
runtime.(*mcentral).cacheSpan(0x98a680, 0xec2ff0)
/private/var/folders/9y/ppk2fnqj5lscwqw_l6lhdrx8005bt1/T/appengine/go_appengine/goroot/src/runtime/mcentral.go:89
+0x47d
runtime.(*mcache).refill(0xafa000, 0x21, 0xec2ff0)
/private/var/folders/9y/ppk2fnqj5lscwqw_l6lhdrx8005bt1/T/appengine/go_appengine/goroot/src/runtime/mcache.go:119
+0xcc
runtime.mallocgc.func2()
/private/var/folders/9y/ppk2fnqj5lscwqw_l6lhdrx8005bt1/T/appengine/go_appengine/goroot/src/runtime/malloc.go:642
+0x2b
runtime.systemstack(0x979d00)
/private/var/folders/9y/ppk2fnqj5lscwqw_l6lhdrx8005bt1/T/appengine/go_appengine/goroot/src/runtime/asm_amd64.s:291
+0x79
runtime.mstart()
/private/var/folders/9y/ppk2fnqj5lscwqw_l6lhdrx8005bt1/T/appengine/go_appengine/goroot/src/runtime/proc.go:1051
goroutine 1 [running]:
runtime.systemstack_switch()
/private/var/folders/9y/ppk2fnqj5lscwqw_l6lhdrx8005bt1/T/appengine/go_appengine/goroot/src/runtime/asm_amd64.s:245
fp=0xc8241ed290 sp=0xc8241ed288
runtime.mallocgc(0x500, 0x0, 0x3, 0xc825f0c400)
/private/var/folders/9y/ppk2fnqj5lscwqw_l6lhdrx8005bt1/T/appengine/go_appengine/goroot/src/runtime/malloc.go:643
+0x869 fp=0xc8241ed368 sp=0xc8241ed290
runtime.rawmem(0x500, 0x200)
/private/var/folders/9y/ppk2fnqj5lscwqw_l6lhdrx8005bt1/T/appengine/go_appengine/goroot/src/runtime/malloc.go:809
+0x32 fp=0xc8241ed390 sp=0xc8241ed368
runtime.growslice(0x3b2760, 0xc825f0c400, 0x400, 0x400, 0x401, 0x0, 0x0,
0x0)
/private/var/folders/9y/ppk2fnqj5lscwqw_l6lhdrx8005bt1/T/appengine/go_appengine/goroot/src/runtime/slice.go:95
+0x233 fp=0xc8241ed400 sp=0xc8241ed390
cmd/internal/obj.Symgrow(0xc8200b4000, 0xc8221d5b80, 0x401)
/private/var/folders/9y/ppk2fnqj5lscwqw_l6lhdrx8005bt1/T/appengine/go_appengine/goroot/src/cmd/internal/obj/data.go:50
+0x237 fp=0xc8241ed4c0 sp=0xc8241ed400
cmd/internal/obj/x86.span6(0xc8200b4000, 0xc8221d5b80)
/private/var/folders/9y/ppk2fnqj5lscwqw_l6lhdrx8005bt1/T/appengine/go_appengine/goroot/src/cmd/internal/obj/x86/asm6.go:1962
+0x9b9 fp=0xc8241ed650 sp=0xc8241ed4c0
cmd/internal/obj.Flushplist(0xc8200b4000)
/private/var/folders/9y/ppk2fnqj5lscwqw_l6lhdrx8005bt1/T/appengine/go_appengine/goroot/src/cmd/internal/obj/objfile.go:300
+0x32e fp=0xc8241ed870 sp=0xc8241ed650
cmd/internal/obj.Writeobjdirect(0xc8200b4000, 0xc82039c600)
/private/var/folders/9y/ppk2fnqj5lscwqw_l6lhdrx8005bt1/T/appengine/go_appengine/goroot/src/cmd/internal/obj/objfile.go:114
+0x21 fp=0xc8241ed888 sp=0xc8241ed870
cmd/compile/internal/gc.dumpobj()
/private/var/folders/9y/ppk2fnqj5lscwqw_l6lhdrx8005bt1/T/appengine/go_appengine/goroot/src/cmd/compile/internal/gc/obj.go:88
+0xe5f fp=0xc8241edac0 sp=0xc8241ed888
cmd/compile/internal/gc.Main()
/private/var/folders/9y/ppk2fnqj5lscwqw_l6lhdrx8005bt1/T/appengine/go_appengine/goroot/src/cmd/compile/internal/gc/lex.go:495
+0x2225 fp=0xc8241edde0 sp=0xc8241edac0
cmd/compile/internal/amd64.Main()
/private/var/folders/9y/ppk2fnqj5lscwqw_l6lhdrx8005bt1/T/appengine/go_appengine/goroot/src/cmd/compile/internal/amd64/galign.go:127
+0x58d fp=0xc8241ede48 sp=0xc8241edde0
main.main()
/private/var/folders/9y/ppk2fnqj5lscwqw_l6lhdrx8005bt1/T/appengine/go_appengine/goroot/src/cmd/compile/main.go:32
+0x395 fp=0xc8241edf20 sp=0xc8241ede48
runtime.main()
/private/var/folders/9y/ppk2fnqj5lscwqw_l6lhdrx8005bt1/T/appengine/go_appengine/goroot/src/runtime/proc.go:188
+0x2b0 fp=0xc8241edf70 sp=0xc8241edf20
runtime.goexit()
/private/var/folders/9y/ppk2fnqj5lscwqw_l6lhdrx8005bt1/T/appengine/go_appengine/goroot/src/runtime/asm_amd64.s:1998
+0x1 fp=0xc8241edf78 sp=0xc8241edf70
And then I spotted "asm_amd64.s" in the stacktrace which made me double
check the installation. So Google provides 32-bit version for x86 and
64-bit version for AMD. But there are no Macs with AMD processors!
After installing 32-bit version everything works well.
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