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Issue:
Touch flip occurs in part of resistive touch production
Analyze：
This issue only occurs in part of resistive touch production, it all depends on if the RaspberryPi is updating in the background.
Touch flip occur because of touch driver did not installed normally, and error information showed as follow:
This error shows that resource is locked. And we found that the locker is RaspberryPi update thread.
How to resolve：
Reboot the RaspberryPi and reinstall the driver again.
Once installation is success, the following information is showed:
This issue never happen again once the driver is installed normally.