go-delve/delve · error

internal debugger error: %v (recovered) %s

Error message

internal debugger error: %v (recovered)
%s

What it means

Error "internal debugger error: %v (recovered) %s" thrown in go-delve/delve.

Source

Thrown at pkg/proc/eval.go:1104

	default:
		if stack.err == nil {
			stack.err = fmt.Errorf("internal debugger error: wrong stack size at end %d", len(stack.stack))
		}
	}
	if r != nil && cfg != nil && stack.err == nil {
		r.loadValue(*cfg)
	}
	return r, stack.err
}

// executeOp executes the opcode at stack.ops[stack.opidx] and increments stack.opidx.
func (stack *evalStack) executeOp() {
	scope, ops, curthread := stack.scope, stack.ops, stack.curthread
	defer func() {
		err := recover()
		if err != nil {
			logflags.Bug.Inc()
			stack.err = fmt.Errorf("internal debugger error: %v (recovered)\n%s", err, string(debug.Stack()))
		}
	}()
	switch op := ops[stack.opidx].(type) {
	case *evalop.PushCurg:
		if scope.g != nil {
			stack.push(scope.g.variable.clone())
		} else {
			typ, err := scope.BinInfo.findType("runtime.g")
			if err != nil {
				stack.err = fmt.Errorf("could not find runtime.g: %v", err)
				return
			}
			gvar := newVariable("curg", fakeAddressUnresolv, typ, scope.BinInfo, scope.Mem)
			gvar.loaded = true
			gvar.Flags = VariableFakeAddress
			gvar.Children = append(gvar.Children, *newConstant(constant.MakeInt64(0), scope.BinInfo, scope.Mem))
			gvar.Children[0].Name = "goid"
			stack.push(gvar)

View on GitHub (pinned to a23773e6c3)

When it happens

Trigger: Thrown at pkg/proc/eval.go:1104 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of go-delve/delve@a23773e6c3 (2026-08-31). Data as JSON: /api/errors/1f6af08f5ea5f1b6. Report an issue: GitHub.