go-delve/delve · error

can not write to core process

Error message

can not write to core process

What it means

Error "can not write to core process" thrown in go-delve/delve.

Source

Thrown at pkg/proc/core/core.go:184

	breakpoints proc.BreakpointMap
}

// thread represents a thread in the core file being debugged.
type thread struct {
	osThread
	p      *process
	common proc.CommonThread
}

type osThread interface {
	Registers() (proc.Registers, error)
	ThreadID() int
}

var (
	// ErrWriteCore is returned when attempting to write to the core
	// process memory.
	ErrWriteCore = errors.New("can not write to core process")

	// ErrShortRead is returned on a short read.
	ErrShortRead = errors.New("short read")

	// ErrContinueCore is returned when trying to continue execution of a core process.
	ErrContinueCore = errors.New("can not continue execution of core process")

	// ErrChangeRegisterCore is returned when trying to change register values for core files.
	ErrChangeRegisterCore = errors.New("can not change register values of core process")
)

type openFn func(string, string) (*process, proc.Thread, error)

var openFns = []openFn{readLinuxOrPlatformIndependentCore, readAMD64Minidump}

// ErrUnrecognizedFormat is returned when the core file is not recognized as
// any of the supported formats.
var ErrUnrecognizedFormat = errors.New("unrecognized core format")

View on GitHub (pinned to a23773e6c3)

When it happens

Trigger: Thrown at pkg/proc/core/core.go:184 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/d52866fa437d8d53. Report an issue: GitHub.