On pondělí 18. září 2017 20:01:42 CEST Yuchung Cheng wrote: > Yes since it is disabled in the upstream by default. Although you can > experiment FACK enabled additionally.
OK. > Do we know the crash you first experienced is tied to this issue? No, unfortunately. I wasn't able to re-create it again, so lets focus on tcp_fastretrans_alert warning only.