It seems that once this triggers the system is in an overall bad state.
I have seen
a) hang checks in dmesg
b) defunct processes even unrelated ones like
1 6 5529 4785 20 0 0 0 - Z+ pts/6 0:00 \_ [mandb] <defunct>
1 6 5530 4785 20 0 0 0 - Z+ pts/6 0:00 \_ [mandb] <defunct>
It seems that once this triggers the system is in an overall bad state.
I have seen
a) hang checks in dmesg
b) defunct processes even unrelated ones like
1 6 5529 4785 20 0 0 0 - Z+ pts/6 0:00 \_ [mandb] <defunct>
1 6 5530 4785 20 0 0 0 - Z+ pts/6 0:00 \_ [mandb] <defunct>