Re: undetected closed apps

[Jamal Hadi Salim <jhs@mojatatu.com>]

On 12/19/13 13:16, Vlad Yasevich wrote:

>
> So, I took another look and it looks like there is an issue when the
> chunks are being abandoned in sctp_outq_flush().  We simply delete
> the chunks and it is possible that we can drain our queue without
> ever setting the empty state.  Since we didn't sent anything, we
> wouldn't get any SACKs, thus the queue would never be set as empty
> and we would be stuck in the SHUTDOWN_PENDING state, just like you
> observe.
>

Thanks Vlad.

> Can you try this patch to see if it resolves things.  Can play with
> netem values on lo to trigger PR faster.
>

Oh, I have many ways to trigger it - never thought of netem.


I will let you know how it went with the patch later today. Hoping
the linger on client side would resolve it for me so i dont depend
on a specific patch.

cheers,
jamal