go-delve/delve · error

could not find type for runtime.g

Error message

could not find type for runtime.g

What it means

Error "could not find type for runtime.g" thrown in go-delve/delve.

Source

Thrown at pkg/proc/breakpoints.go:589

	// Not every OS/arch that we support has support for eBPF,
	// so check early and return an error if this is called on an
	// unsupported system.
	if !t.proc.SupportsBPF() {
		return errors.New("eBPF is not supported")
	}
	fns, err := t.BinInfo().FindFunction(fnName)
	if err != nil {
		return err
	}

	// Get information on the Goroutine so we can tell the
	// eBPF program where to find it in order to get the
	// goroutine ID.
	rdr := t.BinInfo().Images[0].DwarfReader()
	rdr.SeekToTypeNamed("runtime.g")
	typ, err := t.BinInfo().findType("runtime.g")
	if err != nil {
		return errors.New("could not find type for runtime.g")
	}
	var goidOffset int64
	switch t := typ.(type) {
	case *godwarf.StructType:
		for _, field := range t.Field {
			if field.Name == "goid" {
				goidOffset = field.ByteOffset
				break
			}
		}
	}

	for _, fn := range fns {
		err := t.setEBPFTracepointOnFunc(fn, goidOffset)
		if err != nil {
			return err
		}
	}

View on GitHub (pinned to a23773e6c3)

When it happens

Trigger: Thrown at pkg/proc/breakpoints.go:589 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/5213ccb225b88b36. Report an issue: GitHub.