Messages in this thread | | | Subject | Re: [PATCH 2/3] tcp: Reduce SYN resend delay if a suspicous ACK is received | From | Eric Dumazet <> | Date | Fri, 31 Jan 2020 14:53:43 -0800 |
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On 1/31/20 2:11 PM, Neal Cardwell wrote:
> I looked into fixing this, but my quick reading of the Linux > tcp_rcv_state_process() code is that it should behave correctly and > that a connection in FIN_WAIT_1 that receives a FIN/ACK should move to > TIME_WAIT. > > SeongJae, do you happen to have a tcpdump trace of the problematic > sequence where the "process A" ends up in FIN_WAIT_2 when it should be > in TIME_WAIT? > > If I have time I will try to construct a packetdrill case to verify > the behavior in this case.
Unfortunately you wont be able to reproduce the issue with packetdrill, since it involved packets being processed at the same time (race window)
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