248516 2022-11-29 21:56:00 -0800 REGRESSION(257087@main) [GLIB] Layout test early exits with broken pipe 2022-11-29 22:02:19 -0800 1 1 1 Unclassified WebKit WebKitGTK WebKit Nightly Build Unspecified Unspecified RESOLVED DUPLICATE 248512 https://bugs.webkit.org/show_bug.cgi?id=248079 P2 Normal --- 1 lmoura webkit-unassigned bugs-noreply oldest_to_newest 1915517 0 lmoura 2022-11-29 21:56:00 -0800 Minimal test case so far: ./Tools/Scripts/run-webkit-tests --flatpak-verbose --no-new-test-results --no-show-results --clobber-old-results --release --wpe --results-directory=layout-test-results fast/text/international/ --child-processes=1 Bisect shows it's caused by 257087@main. The broken output is making the bots timeout with the hard 1200sec limit. Output: <snip> Running 121 tests Running 1 WebKitTestRunner. [26/121] fast/text/international/bidi-listbox-atsui.html failed unexpectedly (text diff) [27/121] fast/text/international/bidi-listbox.html failed unexpectedly (text diff) [28/121] fast/text/international/bidi-menulist.html failed unexpectedly (text diff) [49/121] fast/text/international/generic-font-family-language-traditional.html passed BrokenPipeError raised: [Errno 32] Broken pipe Traceback (most recent call last): File "/app/webkit/Tools/Scripts/webkitpy/port/server_process.py", line 186, in write self._proc.stdin.flush() BrokenPipeError: [Errno 32] Broken pipe During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/app/webkit/Tools/Scripts/webkitpy/layout_tests/run_webkit_tests.py", line 92, in main run_details = run(port, options, args, stderr) File "/app/webkit/Tools/Scripts/webkitpy/layout_tests/run_webkit_tests.py", line 508, in run run_details = manager.run(args) File "/app/webkit/Tools/Scripts/webkitpy/layout_tests/controllers/manager.py", line 413, in run temp_initial_results, temp_retry_results, temp_enabled_pixel_tests_in_retry = self._run_test_subset(test_inputs, device_type=device_type) File "/app/webkit/Tools/Scripts/webkitpy/layout_tests/controllers/manager.py", line 487, in _run_test_subset initial_results = self._run_tests(test_inputs, self._options.repeat_each, self._options.iterations, int(self._options.child_processes), retrying=False, device_type=device_type) File "/app/webkit/Tools/Scripts/webkitpy/layout_tests/controllers/manager.py", line 570, in _run_tests return self._runner.run_tests(self._expectations[device_type], new_test_inputs, num_workers, retrying, device_type) File "/app/webkit/Tools/Scripts/webkitpy/layout_tests/controllers/layout_test_runner.py", line 176, in run_tests pool.do( File "/app/webkit/Tools/Scripts/libraries/webkitcorepy/webkitcorepy/task_pool.py", line 405, in do result = function(*args, **kwargs) File "/app/webkit/Tools/Scripts/webkitpy/layout_tests/controllers/layout_test_runner.py", line 77, in run_shard return Worker.instance.run_tests(shard) File "/app/webkit/Tools/Scripts/webkitpy/layout_tests/controllers/layout_test_runner.py", line 319, in run_tests Worker.instance.run_test(input, shard.name) File "/app/webkit/Tools/Scripts/webkitpy/layout_tests/controllers/layout_test_runner.py", line 347, in run_test result = self._run_test_with_or_without_timeout(test_input, test_timeout_sec, stop_when_done) File "/app/webkit/Tools/Scripts/webkitpy/layout_tests/controllers/layout_test_runner.py", line 404, in _run_test_with_or_without_timeout return self._run_test_in_this_thread(test_input, stop_when_done) File "/app/webkit/Tools/Scripts/webkitpy/layout_tests/controllers/layout_test_runner.py", line 490, in _run_test_in_this_thread return self._run_single_test(self._driver, test_input, stop_when_done) File "/app/webkit/Tools/Scripts/webkitpy/layout_tests/controllers/layout_test_runner.py", line 493, in _run_single_test return single_test_runner.run_single_test( File "/app/webkit/Tools/Scripts/webkitpy/layout_tests/controllers/single_test_runner.py", line 48, in run_single_test return runner.run() File "/app/webkit/Tools/Scripts/webkitpy/layout_tests/controllers/single_test_runner.py", line 123, in run return self._run_reftest() File "/app/webkit/Tools/Scripts/webkitpy/layout_tests/controllers/single_test_runner.py", line 358, in _run_reftest reference_output = self._driver.run_test(DriverInput(reference_test_name, self._timeout, None, should_run_pixel_test=True), self._stop_when_done) File "/app/webkit/Tools/Scripts/webkitpy/port/driver.py", line 863, in run_test return self._driver.run_test(driver_input, stop_when_done) File "/app/webkit/Tools/Scripts/webkitpy/port/driver.py", line 233, in run_test self._server_process.write(command) File "/app/webkit/Tools/Scripts/webkitpy/port/server_process.py", line 188, in write self.stop(0.0) File "/app/webkit/Tools/Scripts/webkitpy/port/server_process.py", line 403, in stop self._proc.stdin.close() BrokenPipeError: [Errno 32] Broken pipe 1915518 1 lmoura 2022-11-29 22:02:19 -0800 Fujii's patch in bug248512 fixes the issue. *** This bug has been marked as a duplicate of bug 248512 ***