netdev - Re: HTB going crazy over ~5Gbit/s (4.12.9, but problem present in older kernels as well)

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Message-ID: <1505317903.15310.167.camel@edumazet-glaptop3.roam.corp.google.com>
Date:   Wed, 13 Sep 2017 08:51:43 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Denys Fedoryshchenko <nuclearcat@...learcat.com>
Cc:     Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Re: HTB going crazy over ~5Gbit/s (4.12.9, but problem present in
 older kernels as well)

On Wed, 2017-09-13 at 18:20 +0300, Denys Fedoryshchenko wrote:
> Hi,
> 
> I noticed after increasing bandwidth over some amount HTB started to 
> throttle classes it should not throttle.
> Also estimated rate in htb totally wrong, while byte counters is 
> correct.
> 
> Is there any overflow or something?

Thanks Denys for the report, I will take a look at this, since I
probably introduced some regression.