Looks like I have the same problem.
[ 720.764475] ------------[ cut here ]------------
[ 720.764476] kernel BUG at fs/inode.c:611!
[ 720.764481] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
[ 720.764483] CPU: 10 PID: 5645 Comm: python Tainted: P W OE 6.2.0-34-generic #34-Ubuntu...