we are running a linux system build with buildroot on an imx6 dual lite. We use qt webkit application as the front end.
Currently we have an issue with /dev/galcore. The qt application freezes after some period of time, sometimes it happens after 30 minutes, sometimes it takes a whole day or longer for the freeze to occur.
The qt application displays a web page which in case of the error does refresh a clock using java script and communicate with the main application using a web socket and http web service.
The kernel messages show a crash of the driver being stuck
Jan 29 17:44:44 fsimx6 user.warn kernel: DMA appears to be stuck at this address:
Jan 29 17:44:44 fsimx6 user.warn kernel: 0xFFFA8018
After that error happens the system has to be rebooted to get it working again.
Do you know similar problems or a way to debug it?
Please see the complete output of the crash in the attachment.