Re: [REGRESSION] tcp/ipv4: kernel panic because of (possible) division by zero

Neal Cardwell
2016-01-10T14:48:22Z

On Sun, Jan 10, 2016 at 5:23 AM, Oleksandr Natalenko
<oleksandr@natalenko.name> wrote:
> With the patch queued for upstream and ECN enabled I get WARN_ON_ONCE()
> triggered. Here is the stacktrace:
>
> https://gist.github.com/89203e77bfcb051f269a
>
> It seems that tp->prior_cwnd is zero.

Hmm. Interesting. Can you please confirm that you are using the cubic
congestion control module?

thanks,
neal