Opening the XenMobile Server console:
The error shows a message "hrtimer: interrupt took * ns":
This is a system level message, it’s just a info log from the system.
It is a generic warning from the kernel, that some hardware interrupt took longer than expected to service.
1. When any of the kernel's clock sync time miss the cycle i.e. lock synchronization time.
2. Heavy load on CPU/High resource utilization.