My Pixhawk 2.4.7 is dumping logs in weird files with unsupported characters as file names.
These files are huge in size and full SD card, also these files are not accessible.

Flight Controller: PIXHAWK PX4 2.4.7
Firmware version Copter 4.0.5 (fmuv3)

It been fixed, this is because of junk memory card came with Pixhawk.