{"record":{"id":"b51272e4649afc54","repo":"gastownhall/beads","slug":"proxy-forcestopunverified-signal-pid-d-w","errorCode":null,"errorMessage":"proxy.ForceStopUnverified: signal pid %d: %w","messagePattern":"proxy\\.ForceStopUnverified: signal pid (.+?): %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"internal/storage/dbproxy/proxy/force_stop.go","lineNumber":257,"sourceCode":"\tif gone {\n\t\treport.ProcessWasGone = true\n\t\treturn nil\n\t}\n\tif !scoped {\n\t\treturn fmt.Errorf(\n\t\t\t\"proxy.ForceStopUnverified: refusing to signal pid %d from %s: its command line does not reference workspace %s, so it may be an unrelated %s process; stop it manually if it is yours, then quarantine the record by renaming %s to %s.stale-<unix-timestamp> before retrying\",\n\t\t\tpid,\n\t\t\treport.RecordPath,\n\t\t\trootDir,\n\t\t\texecutable,\n\t\t\treport.RecordPath,\n\t\t\treport.RecordPath,\n\t\t)\n\t}\n\n\tgone, err = proc.kill()\n\tif err != nil {\n\t\treturn fmt.Errorf(\"proxy.ForceStopUnverified: signal pid %d: %w\", pid, err)\n\t}\n\tif gone {\n\t\treport.ProcessWasGone = true\n\t\treturn nil\n\t}\n\treport.SignalSent = true\n\n\tfor {\n\t\texited, err := proc.exited()\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"proxy.ForceStopUnverified: confirm pid %d exit: %w\", pid, err)\n\t\t}\n\t\tif exited {\n\t\t\treturn nil\n\t\t}\n\t\tif time.Now().After(deadline) {\n\t\t\treturn fmt.Errorf(\"proxy.ForceStopUnverified: timeout waiting for pid %d to exit\", pid)\n\t\t}","sourceCodeStart":239,"sourceCodeEnd":275,"githubUrl":"https://github.com/gastownhall/beads/blob/71377f276968b452ee607177637970a4ff888584/internal/storage/dbproxy/proxy/force_stop.go#L239-L275","documentation":"All safety checks passed (executable is bd/dolt, command line scoped to this workspace) but the actual signal delivery to the PID failed. This wraps the underlying OS error from proc.kill() — typically EPERM (insufficient permission), ESRCH (process vanished between check and signal), or platform signal API failure. No signal was confirmed delivered.","triggerScenarios":"proxy.ForceStopUnverified calling proc.kill() when the process is owned by another user (EPERM), exited in the microseconds between inspection and kill (ESRCH), or the platform signaling primitive (pidfd_send_signal, Windows TerminateProcess) returns an error.","commonSituations":"bd/dolt daemon started via sudo or in a container owned by root while force-stop runs as a normal user; extremely short-lived processes racing exit; restricted seccomp policies blocking signal syscalls; PID handed to a child re-parented to another user.","solutions":["Re-run the force-stop; if the process died in the race window, the next attempt reports ProcessWasGone and succeeds","Check process ownership (ps -o user= -p <pid>); run force-stop as the same user or with appropriate privileges (sudo / inside the container)","If the process is gone but the record remains, quarantine it: rename <record> to <record>.stale-<unix-timestamp> and retry","Inspect the wrapped cause (%w) for EPERM vs ESRCH to decide between a permissions fix and a stale-record cleanup"],"exampleFix":"// before\nerr := proxy.ForceStopUnverified(ctx, rootDir, \"bd\", deadline) // EPERM\n// after: run with matching privileges or via sudo\n// sudo -E bd daemon --force-stop\n// or in CI: docker exec <container> bd daemon --force-stop","handlingStrategy":"retry","validationCode":"// ensure same-user ownership of the target before signaling\npid := readPidFromRecord(recordPath)\nsi, err := os.Stat(fmt.Sprintf(\"/proc/%d\", pid))\nif err == nil {\n    st := si.Sys().(*syscall.Stat_t)\n    if int(st.Uid) != os.Getuid() {\n        // will EPERM: escalate (sudo/container exec) or abandon before calling\n    }\n}","typeGuard":"func isSignalErr(err error) bool {\n    return err != nil && strings.Contains(err.Error(), \"signal pid \")\n}","tryCatchPattern":"err := proxy.ForceStopUnverified(ctx, rootDir, pidName, deadline)\nif isSignalErr(err) {\n    if errors.Is(err, os.ErrPermission) {\n        return fmt.Errorf(\"re-run with privileges of the daemon's owner (sudo or container exec)\")\n    }\n    // ESRCH-style race: one retry resolves as ProcessWasGone\n    report, err = proxy.ForceStopUnverified(ctx, rootDir, pidName, deadline)\n    if err != nil { return err }\n}","preventionTips":["Run bd client commands as the same user that started the daemon","In containers, exec the force-stop inside the daemon's container rather than from the host","Retry once on transient signal failures — exit races resolve as ProcessWasGone","Keep the wrapped cause (errors.Unwrap) and branch on EPERM vs ESRCH for the right remedy"],"tags":["signal","permissions","process-kill","force-stop"],"backgroundTag":"signal-delivery-failed","analyzedSha":"71377f276968b452ee607177637970a4ff888584","analyzedAt":"2026-08-30T18:55:39.744Z","schemaVersion":2},"datasetVersion":"2026-08-30T23:17:21.991Z"}