Sounds like an AppArmor profile issue. Can you please do "dmesg > /tmp/dmesg.txt" right after this happens (switch back to your normal session before) and attach /tmp/dmesg.txt here?
Sounds like an AppArmor profile issue. Can you please do "dmesg > /tmp/dmesg.txt" right after this happens (switch back to your normal session before) and attach /tmp/dmesg.txt here?