DMError: DeviceManager: pull unsuccessful: could not get all file data

[modeswitch]

DeviceManager ERROR | DeviceManager: pull unsuccessful: could not get all file data
Cycle failed! Exception:
Traceback (most recent call last):
File "speedtests.py", line 320, in main
runner.next_test(cycle_count + 1 == options.cycles)
File "/home/speedtest/speedtests/client/BrowserRunner.py", line 295, in next_test
self.current_controller.launch(self.current_test_url)
File "/home/speedtest/speedtests/client/AndroidBrowserControllers.py", line 200, in launch
super(AndroidFirefoxBrowserController, self).launch(url, extras)
File "/home/speedtest/speedtests/client/AndroidBrowserControllers.py", line 106, in launch
if not self.copy_tests():
File "/home/speedtest/speedtests/client/AndroidBrowserControllers.py", line 87, in copy_tests
if not self.device_has_tests():
File "/home/speedtest/speedtests/client/AndroidBrowserControllers.py", line 69, in device_has_tests
data = self.dm.pullFile('/mnt/sdcard/html.rev')
File "/home/speedtest/speedtests/client/mozdevice/devicemanagerSUT.py", line 627, in pullFile
buf = read_exact(total_to_recv, buf, 'could not get all file data')
File "/home/speedtest/speedtests/client/mozdevice/devicemanagerSUT.py", line 586, in read_exact
data = uread(to_recv, error_msg)
File "/home/speedtest/speedtests/client/mozdevice/devicemanagerSUT.py", line 573, in uread
err(error_msg)
File "/home/speedtest/speedtests/client/mozdevice/devicemanagerSUT.py", line 548, in err
raise DMError(err_str)
DMError: DeviceManager: pull unsuccessful: could not get all file data

[modeswitch]

Seen on android 4.3

[jmaher]

we can add some error handing in AndroidBrowserController to look for this. There are some members to devicemanagerSUT that can help retry and reduce this.