Re: 9.0-RC1 panic in tcp_input: negative winow.
On 10/22/11 19:49, Pawel Jakub Dawidek wrote:
> The panic message says:
>
> panic: tcp_input negative window: tp 0xfffffe007763e000 rcv_nxt 3718269252 rcv_adv 3718268291
>
> I only have picture of the backtrace:
>
> http://people.freebsd.org/~pjd/misc/panic_negative_window.jpg
>
ewww that is not good. Can you give us any more information about the
machine and what it's doing? Is it terminating TCP connections from the
internet at large or only local LAN (i.e. is there likely to be packet
loss happening)? Are you doing TSO or LRO? Do you have any non-default
tuning in place?
Cheers,
Lawrence
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