fatal error: newosproc

runtime stack:
runtime.throw(0x11fa709, 0x9)
	GOROOT/src/runtime/panic.go:1116 +0x72
runtime.newosproc(0xc000180380)
	GOROOT/src/runtime/os_linux.go:161 +0x1ba
runtime.newm1(0xc000180380)
	GOROOT/src/runtime/proc.go:1753 +0xdc
runtime.newm(0x1247ca0, 0xc00004b800)
	GOROOT/src/runtime/proc.go:1732 +0x8f
runtime.startm(0x0, 0xc000046801)
	GOROOT/src/runtime/proc.go:1869 +0x12a
runtime.wakep(...)
	GOROOT/src/runtime/proc.go:1953
runtime.resetspinning()
	GOROOT/src/runtime/proc.go:2415 +0x93
runtime.schedule()
	GOROOT/src/runtime/proc.go:2527 +0x2de
runtime.park_m(0xc000001800)
	GOROOT/src/runtime/proc.go:2690 +0x9d
runtime.mcall(0x0)
	src/runtime/asm_amd64.s:318 +0x5b