Unfortunately I still have those errors, so disabling IPv6 has not solved this error.   The errors occured with all new versions: - 6.9.2 - 6.9.1 - 6.9.0 - 6.9.0-RCx - 6.8.3   This table shows that kernel crashes still appear regularly, with a longest uptime of 22 days (due to an update):     It seems that more users are having those kind of crashes since ~6.9.x:   I do not know if this thread is directly related to my