{"record":{"id":"470d856ab590a015","repo":"gastownhall/beads","slug":"kill-verified-pid-d-from-s-w","errorCode":null,"errorMessage":"kill verified pid %d from %s: %w","messagePattern":"kill verified pid (.+?) from (.+?): %w","errorType":"error_code","errorClass":null,"httpStatus":null,"severity":"error","filePath":"internal/storage/dbproxy/proxy/shutdown.go","lineNumber":264,"sourceCode":"\t\t\t\treturn nil, unverifiableProcessError(\n\t\t\t\t\t\"shutdown\",\n\t\t\t\t\trecordPath,\n\t\t\t\t\tpf.Pid,\n\t\t\t\t\topenErr,\n\t\t\t\t\tunverifiableProcessChecks{},\n\t\t\t\t)\n\t\t\t}\n\t\t\tif dead {\n\t\t\t\tif _, quarantineErr := quarantineRecord(rootDir, pidName, time.Now()); quarantineErr != nil {\n\t\t\t\t\tlock.Unlock()\n\t\t\t\t\treturn nil, fmt.Errorf(\"quarantine dead process record %s: %w\", recordPath, quarantineErr)\n\t\t\t\t}\n\t\t\t\treturn lock, nil\n\t\t\t}\n\t\t\tif killErr := handle.Kill(); killErr != nil {\n\t\t\t\t_ = handle.Close()\n\t\t\t\tlock.Unlock()\n\t\t\t\treturn nil, fmt.Errorf(\"kill verified pid %d from %s: %w\", pf.Pid, recordPath, killErr)\n\t\t\t}\n\t\t\tif closeErr := handle.Close(); closeErr != nil {\n\t\t\t\tlock.Unlock()\n\t\t\t\treturn nil, fmt.Errorf(\"close verified process handle for pid %d: %w\", pf.Pid, closeErr)\n\t\t\t}\n\t\t\twaitBudget := max(time.Until(deadline), shutdownPostKillMinimum)\n\t\t\tif waitErr := waitForRecordedProcessExit(pf, waitBudget); waitErr != nil {\n\t\t\t\tlock.Unlock()\n\t\t\t\treturn nil, fmt.Errorf(\"confirm verified pid %d stopped: %w\", pf.Pid, waitErr)\n\t\t\t}\n\t\t\tif removeErr := pidfile.Remove(rootDir, pidName); removeErr != nil {\n\t\t\t\tlock.Unlock()\n\t\t\t\treturn nil, fmt.Errorf(\"remove stopped process record %s: %w\", recordPath, removeErr)\n\t\t\t}\n\t\t\treturn lock, nil\n\n\t\tcase !lockfile.IsLocked(err):\n\t\t\treturn nil, fmt.Errorf(\"probe %s: %w\", lockPath, err)","sourceCodeStart":246,"sourceCodeEnd":282,"githubUrl":"https://github.com/gastownhall/beads/blob/71377f276968b452ee607177637970a4ff888584/internal/storage/dbproxy/proxy/shutdown.go#L246-L282","documentation":"During proxy.Shutdown, stopAndAcquire verified a recorded PID legitimately belongs to this workspace's proxy/backend and tried to kill it, but the OS kill call (handle.Kill()) failed. The error wraps the underlying syscall error (e.g. permission denied, process gone). Shutdown refuses to continue rather than leaving the lock in an unknown state.","triggerScenarios":"bd Shutdown finds a live, verified pid in the pidfile and handle.Kill() returns an error — typically EPERM because the recorded process runs as a different user, or the process exited between open and kill.","commonSituations":"The daemon was started under sudo or another account while shutdown runs as the current user; a container/namespace boundary makes the PID invisible or unkillable; a race where the process exits just before the kill.","solutions":["Run the shutdown command as the same user that started the daemon (check with ps -o user= -p <pid>).","If the process already exited, delete the stale pidfile and lock, then retry bd shutdown.","Check the wrapped %w error: EPERM means permissions, ESRCH means already gone.","Kill the process manually (kill <pid>) and remove the pidfile, then retry."],"exampleFix":"// before\nerr := proxy.Shutdown(rootDir) // fails: kill verified pid 4321 ...: operation not permitted\n// after\n// start daemon and shutdown as the same user\n$ bd dolt start   # as user 'alice'\n$ bd dolt stop    # also as user 'alice'","handlingStrategy":"try-catch","validationCode":"pid=$(cat .beads/dolt.pid | head -1); [ \"$(ps -o user= -p ${pid#*:} 2>/dev/null | tr -d ' ')\" = \"$(whoami)\" ] && echo ok || echo 'pid owned by another user; run shutdown as that user'","typeGuard":null,"tryCatchPattern":"if err := proxy.Shutdown(rootDir); err != nil {\n    var uerr *UnverifiableProcessError\n    if errors.As(err, &uerr) { /* handle legacy/unverifiable path */ }\n    if strings.Contains(err.Error(), \"kill verified pid\") {\n        // advise same-user restart or manual kill + pidfile removal\n    }\n}","preventionTips":["Always start and stop the daemon as the same OS user.","Avoid sudo for bd daemon commands.","Don't run bd on NFS or inside mismatched container namespaces.","Clean stale pidfiles after abnormal exits."],"tags":["process","permissions","shutdown","unix"],"backgroundTag":"process-kill-permission-denied","analyzedSha":"71377f276968b452ee607177637970a4ff888584","analyzedAt":"2026-08-30T18:55:39.744Z","schemaVersion":2},"datasetVersion":"2026-08-30T23:17:21.991Z"}