Unable to talk to oak poe camera, suddenly.

jkchen46033

Error:

depthai-demo/depthai_demo.py:589: DeprecationWarning: sipPyTypeDict() is deprecated, the extension module should use sipPyTypeDictRef() instead
class WorkerSignals(QObject):
Setting up demo...
Available devices:
[0] 18443010C1CBE2F400 [X_LINK_FLASH_BOOTED]
[2025-12-16 09:48:10.044] [depthai] [warning] Monitor thread (device: 18443010C1CBE2F400 [192.170.10.221]) - ping was missed, closing the device connection
File "/home/jk.chen/dev/camera/depthai-demo/depthai_demo.py", line 657, in run
self.instance.run_all(self.conf)
File "/home/jk.chen/dev/camera/depthai-demo/depthai_demo.py", line 132, in run_all
self.setup(conf)
File "/home/jk.chen/dev/camera/depthai-demo/depthai_demo.py", line 210, in setup
self.device = dai.Device(self.pm.pipeline.getOpenVINOVersion(), self._deviceInfo, maxUsbSpeed)
XLinkWriteError: Couldn't write data to stream: '__bootloader' (X_LINK_ERROR)

OskarSonc

Hey @jkchen46033 - could you tell more about this error and the environment you are using? Are you using the latest version of depthai? Did this work before?

Thanks,
Oskar