No space left on device : '/home/runner/runners/2.321.0/_diag/pages/84d2147f-f3f2-4f67-bbd7-5617fe008b93_98ef93ae-5309-48f9-ab25-b8b7a79b3aa8_1.log'

System.IO.IOException: No space left on device : '/home/runner/runners/2.321.0/_diag/Worker_20250131-100445-utc.log' at System.IO.RandomAccess.WriteAtOffset(SafeFileHandle handle, ReadOnlySpan`1 buffer, Int64 fileOffset) at System.IO.Strategies.OSFileStreamStrategy.Write(ReadOnlySpan`1 buffer) at System.IO.StreamWriter.Flush(Boolean flushStream, Boolean flushEncoder) at System.Diagnostics.TextWriterTraceListener.Flush() at GitHub.Runner.Common.HostTraceListener.WriteHeader(String source, TraceEventType eventType, Int32 id) at GitHub.Runner.Common.HostTraceListener.TraceEvent(TraceEventCache eventCache, String source, TraceEventType eventType, Int32 id, String message) at System.Diagnostics.TraceSource.TraceEvent(TraceEventType eventType, Int32 id, String message) at GitHub.Runner.Worker.Worker.RunAsync(String pipeIn, String pipeOut) at GitHub.Runner.Worker.Program.MainAsync(IHostContext context, String[] args) System.IO.IOException: No space left on device : '/home/runner/runners/2.321.0/_diag/Worker_20250131-100445-utc.log' at System.IO.RandomAccess.WriteAtOffset(SafeFileHandle handle, ReadOnlySpan`1 buffer, Int64 fileOffset) at System.IO.Strategies.OSFileStreamStrategy.Write(ReadOnlySpan`1 buffer) at System.IO.StreamWriter.Flush(Boolean flushStream, Boolean flushEncoder) at System.Diagnostics.TextWriterTraceListener.Flush() at GitHub.Runner.Common.HostTraceListener.WriteHeader(String source, TraceEventType eventType, Int32 id) at GitHub.Runner.Common.HostTraceListener.TraceEvent(TraceEventCache eventCache, String source, TraceEventType eventType, Int32 id, String message) at System.Diagnostics.TraceSource.TraceEvent(TraceEventType eventType, Int32 id, String message) at GitHub.Runner.Common.Tracing.Error(Exception exception) at GitHub.Runner.Worker.Program.MainAsync(IHostContext context, String[] args) Unhandled exception. System.IO.IOException: No space left on device : '/home/runner/runners/2.321.0/_diag/Worker_20250131-100445-utc.log' at System.IO.RandomAccess.WriteAtOffset(SafeFileHandle handle, ReadOnlySpan`1 buffer, Int64 fileOffset) at System.IO.Strategies.OSFileStreamStrategy.Write(ReadOnlySpan`1 buffer) at System.IO.StreamWriter.Flush(Boolean flushStream, Boolean flushEncoder) at System.Diagnostics.TextWriterTraceListener.Flush() at System.Diagnostics.TraceSource.Flush() at GitHub.Runner.Common.Tracing.Dispose(Boolean disposing) at GitHub.Runner.Common.Tracing.Dispose() at GitHub.Runner.Common.TraceManager.Dispose(Boolean disposing) at GitHub.Runner.Common.TraceManager.Dispose() at GitHub.Runner.Common.HostContext.Dispose(Boolean disposing) at GitHub.Runner.Common.HostContext.Dispose() at GitHub.Runner.Worker.Program.Main(String[] args)

The hosted runner: GitHub Actions 14 lost communication with the server. Anything in your workflow that terminates the runner process, starves it for CPU/Memory, or blocks its network access can cause this error.