[webkit-dev] iOS EWS broken?

[Jonathan Bedard]

I inspected all of our bots this morning, none of them are chronically in a bad state: <https://webkit-queues.webkit.org/queue-status/ios-sim-ews <https://webkit-queues.webkit.org/queue-status/ios-sim-ews>>. Also, we are getting results for your patch <https://webkit-queues.webkit.org/patch/351200/ios-sim-ews <https://webkit-queues.webkit.org/patch/351200/ios-sim-ews>>, it’s just occasionally failing to boot simulators.

There isn’t much more we can do from an infrastructure perspective other than what Ryan did on the back end of last week. The Peace GM simulators are taking a very long time to boot, and the log here indicates that we timed out waiting for them to boot. Ryan bumped the timeout to 10 minutes last week. We can’t fully inoculate our bots from this failure, ultimately it’s either a simulator bug or an iOS bug which we can only reproduce on customer machines.

Jonathan

> On Sep 29, 2018, at 1:19 AM, Ryosuke Niwa <rniwa at webkit.org> wrote:
> 
> Looks like this is still happening in the remaining bots:
> 
> e.g.
> https://webkit-queues.webkit.org/results/9391751 <https://webkit-queues.webkit.org/results/9391751>
> 
> - R. Niwa
> 
> 
> On Thu, Sep 27, 2018 at 9:08 AM Ryan Haddad <ryanhaddad at apple.com <mailto:ryanhaddad at apple.com>> wrote:
> It appears that a few bots are having issues. I have taken them offline and will investigate.
> 
> Ryan
> 
>> On Sep 27, 2018, at 2:06 AM, Ryosuke Niwa <rniwa at webkit.org <mailto:rniwa at webkit.org>> wrote:
>> 
>> e.g. https://webkit-queues.webkit.org/results/9366267 <https://webkit-queues.webkit.org/results/9366267>
>> RuntimeError raised: Timed out while waiting for data migration
>> Traceback (most recent call last):
>>   File "/Volumes/Data/EWS/WebKit/Tools/Scripts/webkitpy/layout_tests/run_webkit_tests.py", line 85, in main
>>     run_details = run(port, options, args, stderr)
>>   File "/Volumes/Data/EWS/WebKit/Tools/Scripts/webkitpy/layout_tests/run_webkit_tests.py", line 448, in run
>>     run_details = manager.run(args)
>>   File "/Volumes/Data/EWS/WebKit/Tools/Scripts/webkitpy/layout_tests/controllers/manager.py", line 246, in run
>>     if not self._set_up_run(tests_to_run):
>>   File "/Volumes/Data/EWS/WebKit/Tools/Scripts/webkitpy/layout_tests/controllers/manager.py", line 181, in _set_up_run
>>     self._port.setup_test_run(self._options.device_class)
>>   File "/Volumes/Data/EWS/WebKit/Tools/Scripts/webkitpy/port/ios.py", line 160, in setup_test_run
>>     self._create_devices(device_class)
>>   File "/Volumes/Data/EWS/WebKit/Tools/Scripts/webkitpy/port/ios_simulator.py", line 103, in _create_devices
>>     SimulatedDeviceManager.initialize_devices([request] * self.child_processes(), self.host)
>>   File "/Volumes/Data/EWS/WebKit/Tools/Scripts/webkitpy/xcode/simulated_device.py", line 368, in initialize_devices
>>     SimulatedDeviceManager.wait_until_data_migration_is_done(host, max(0, deadline - time.time()))
>>   File "/Volumes/Data/EWS/WebKit/Tools/Scripts/webkitpy/xcode/simulated_device.py", line 428, in wait_until_data_migration_is_done
>>     raise RuntimeError('Timed out while waiting for data migration')
>> RuntimeError: Timed out while waiting for data migration
>> Error in atexit._run_exitfuncs:
>> Traceback (most recent call last):
>>   File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/atexit.py", line 24, in _run_exitfuncs
>>     func(*targs, **kargs)
>>   File "/Volumes/Data/EWS/WebKit/Tools/Scripts/webkitpy/xcode/simulated_device.py", line 446, in tear_down
>>     device.platform_device._tear_down(deadline - time.time())
>>   File "/Volumes/Data/EWS/WebKit/Tools/Scripts/webkitpy/xcode/simulated_device.py", line 522, in _tear_down
>>     self._shut_down(deadline - time.time())
>>   File "/Volumes/Data/EWS/WebKit/Tools/Scripts/webkitpy/xcode/simulated_device.py", line 508, in _shut_down
>>     raise RuntimeError('Timed out while waiting for {} to shut down'.format(self.udid))
>> RuntimeError: Timed out while waiting for 3FDF5418-1774-4710-B947-9952835E2563 to shut down
>> 
>> - R. Niwa
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> 

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