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

Oleksandr Natalenko
2016-01-10T14:57:06Z

I use YeAH. But YeAH code wasn't touched between 4.2 and 4.3.

On неділя, 10 січня 2016 р. 09:48:20 EET Neal Cardwell wrote:
> 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