{"record":{"id":"3c5c58983a157a60","repo":"Zackriya-Solutions/meetily","slug":"failed-to-write-chunk-to-file-3c5c58","errorCode":null,"errorMessage":"Failed to write chunk to file: {}","messagePattern":"Failed to write chunk to file: (.+?)","errorType":"exception","errorClass":"anyhow::Error","httpStatus":null,"severity":"error","filePath":"frontend/src-tauri/src/whisper_engine/whisper_engine.rs","lineNumber":1191,"sourceCode":"        loop {\n            let chunk_result = tokio::select! {\n                biased;\n                _ = active_download.cancellation.cancelled() => return Err(DownloadCancelled.into()),\n                chunk_result = stream.next() => chunk_result,\n            };\n\n            let Some(chunk_result) = chunk_result else {\n                break;\n            };\n\n            if active_download.cancellation.is_cancelled() {\n                return Err(DownloadCancelled.into());\n            }\n\n            let chunk = chunk_result.map_err(|e| anyhow!(\"Failed to read chunk: {}\", e))?;\n            file.write_all(&chunk)\n                .await\n                .map_err(|e| anyhow!(\"Failed to write chunk to file: {}\", e))?;\n\n            downloaded += chunk.len() as u64;\n            let progress = if total_size > 0 {\n                ((downloaded as f64 / total_size as f64) * 100.0) as u8\n            } else {\n                0\n            };\n\n            let time_since_last_report = last_report_time.elapsed().as_secs();\n            if progress >= last_progress_report + 1 || progress == 100 || time_since_last_report >= 2 {\n                let mut models = self.available_models.write().await;\n                if let Some(model_info) = models.get_mut(model_name) {\n                    model_info.status = ModelStatus::Downloading { progress };\n                }\n\n                if let Some(ref callback) = progress_callback {\n                    callback(progress);\n                }","sourceCodeStart":1173,"sourceCodeEnd":1209,"githubUrl":"https://github.com/Zackriya-Solutions/meetily/blob/a2cb62e827da7ef59f65064c97233efb2313878e/frontend/src-tauri/src/whisper_engine/whisper_engine.rs#L1173-L1209","documentation":"file.write_all(chunk) failed during the streaming loop; the OS error is appended and the partial file stays on disk. The dominant cause is ENOSPC — the disk filled while writing a model file that can range from ~75MB (tiny) to ~3GB (large-v3). Permission or quota changes after the file was opened also produce it.","triggerScenarios":"Disk reaches capacity partway into a large model write; per-user quota on a networked home directory kicks in; external drive unplugged mid-write.","commonSituations":"Downloading large-v3 or large-v3-turbo with only a few GB free; managed corporate laptops with disk quotas; models directory on a nearly-full partition.","solutions":["Free disk space of at least the model's full size plus margin and retry the download","Switch to a quantized variant (e.g. large-v3-turbo-q5_0) that is several times smaller","Move the models directory to a volume with more free space"],"exampleFix":null,"handlingStrategy":"validation","validationCode":"// Rust: verify free space exceeds the expected model size before streaming\nlet expected = expected_model_size(model_name); // e.g. tiny 75MB .. large-v3 3GB\nlet free = fs2::available_space(&self.models_dir)?;\nif free < expected + 100 * 1024 * 1024 {\n    return Err(anyhow!(\"Need {} bytes free, have {}\", expected, free));\n}","typeGuard":null,"tryCatchPattern":"try {\n  await invoke('download_model', { modelName });\n} catch (e) {\n  if (String(e).includes('Failed to write chunk')) {\n    alertDiskSpace(modelName); // instruct cleanup, offer smaller variant\n  } else { throw e; }\n}","preventionTips":["Pre-check disk space against the model size with a safety margin before downloading","Offer quantized (q5_0/q5_1) variants as the default on low-space machines","Clean partial files after every failed download so space is not silently consumed"],"tags":["filesystem","disk-space","download","rust"],"backgroundTag":"out-of-disk-space","analyzedSha":"a2cb62e827da7ef59f65064c97233efb2313878e","analyzedAt":"2026-09-12T11:12:14.152Z","contentChangedAt":"2026-09-12T11:12:14.152Z","schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}