Re: Bug in tcp timestamp option ? TSecr in SYN-ACK != TSval in SYN

2015-05-27 Thread Gopakumar Choorakkot Edakkunni
- that the tcp stack needs to update the saved TSval to that of the latest SYN, right ? Rgds, Gopa. On Wed, May 27, 2015 at 11:02 AM, Eric Dumazet eric.duma...@gmail.com wrote: On Wed, 2015-05-27 at 10:57 -0700, Eric Dumazet wrote: On Wed, 2015-05-27 at 10:29 -0700, Gopakumar Choorakkot

Re: Bug in tcp timestamp option ? TSecr in SYN-ACK != TSval in SYN

2015-05-27 Thread Gopakumar Choorakkot Edakkunni
Thanks Eric. I will give this a spin. The issue doesnt happen all the time, I can keep the server running with this patch for a while and observe if the issue resurfaces or not Rgds, Gopa. On Wed, May 27, 2015 at 6:45 AM, Eric Dumazet eric.duma...@gmail.com wrote: On Wed, 2015-05-27 at 06:33

Bug in tcp timestamp option ? TSecr in SYN-ACK != TSval in SYN

2015-05-27 Thread Gopakumar Choorakkot Edakkunni
All, The original query I had posted is here : http://stackoverflow.com/questions/30414350/tcp-syn-ack-tsecr-not-matching-tsval-in-syn .. The summary is that once in a while, the TSval in SYN is not what is getting echoed in TSecr, and looks like something on amazon aws side is very strict about

Re: Bug in tcp timestamp option ? TSecr in SYN-ACK != TSval in SYN

2015-05-27 Thread Gopakumar Choorakkot Edakkunni
, 2015 at 11:23 PM, Eric Dumazet eric.duma...@gmail.com wrote: On Tue, 2015-05-26 at 23:12 -0700, Eric Dumazet wrote: On Tue, 2015-05-26 at 22:47 -0700, Gopakumar Choorakkot Edakkunni wrote: All, The original query I had posted is here : http://stackoverflow.com/questions/30414350/tcp-syn-ack

Bug in tcp timestamp option ? TSecr in SYN-ACK != TSval in SYN

2015-05-26 Thread Gopakumar Choorakkot Edakkunni
All, The original query I had posted is here : http://stackoverflow.com/questions/30414350/tcp-syn-ack-tsecr-not-matching-tsval-in-syn .. The summary is that once in a while, the TSval in SYN is not what is getting echoed in TSecr, and looks like something on amazon aws side is very strict about

Bug in tcp timestamp option ? TSecr in SYN-ACK != TSval in SYN

2015-05-26 Thread Gopakumar Choorakkot Edakkunni
All, The original query I had posted is here : http://stackoverflow.com/questions/30414350/tcp-syn-ack-tsecr-not-matching-tsval-in-syn .. The summary is that once in a while, the TSval in SYN is not what is getting echoed in TSecr, and looks like something on amazon aws side is very strict about

Bug in tcp timestamp option ? TSecr in SYN-ACK != TSval in SYN

2015-05-26 Thread Gopakumar Choorakkot Edakkunni
All, The original query I had posted is here : http://stackoverflow.com/questions/30414350/tcp-syn-ack-tsecr-not-matching-tsval-in-syn .. The summary is that once in a while, the TSval in SYN is not what is getting echoed in TSecr, and looks like something on amazon aws side is very strict about