That looks like a bug in the wifi drivers; I would first install these updated drivers:
Pre-compiled updated mwlwifi drivers for stable releases
If that does not fix the problem, I would open an issue at:
https://github.com/kaloz/mwlwifi/issues
That looks like a bug in the wifi drivers; I would first install these updated drivers:
Pre-compiled updated mwlwifi drivers for stable releases
If that does not fix the problem, I would open an issue at:
https://github.com/kaloz/mwlwifi/issues