diff --git a/src/vs/platform/shell/node/shellEnv.ts b/src/vs/platform/shell/node/shellEnv.ts
index bbe72bbbae3..ef8953444dc 100644
--- a/src/vs/platform/shell/node/shellEnv.ts
+++ b/src/vs/platform/shell/node/shellEnv.ts
@@ -176,6 +176,9 @@ async function doResolveShellEnv(logService: ILogService, token: CancellationTok
 		});
 
 		token.onCancellationRequested(() => {
+			logService.error('doResolveShellEnv#timeout', 'Shell environment resolution timed out, buffers so far:');
+			logService.error('doResolveShellEnv#stdout', Buffer.concat(buffers).toString('utf8') || '<empty>');
+			logService.error('doResolveShellEnv#stderr', Buffer.concat(stderr).toString('utf8') || '<empty>');
 			child.kill();
 
 			return reject(new CancellationError());