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Date: Wed, 15 Jan 2020 17:24:04 +0300
From: Slawa Olhovchenkov <slw@zxy.spb.ru>
To: Hans Petter Selasky <hps@selasky.org>
Cc: Nick Rogers <ncrogers@gmail.com>,
 "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>
Subject: Re: Intel ix staled under heavy load
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On Wed, Jan 15, 2020 at 09:41:06AM +0100, Hans Petter Selasky wrote:

> On 2020-01-14 19:26, Nick Rogers wrote:
> > On Tue, Jan 14, 2020 at 10:09 AM Hans Petter Selasky <hps@selasky.org>
> > wrote:
> > 
> >> On 2020-01-14 16:07, Slawa Olhovchenkov wrote:
> >>>> this is a known issue in iflib.
> >>> Unresolved?
> >>
> >> See mail I sent off-list.
> >>
> > 
> > I would be interested to know if this is resolved or not as well.
> > 
> 
> No, not yet.
> 
> Slawa, can you dump the iflib sysctl's when the card is in the stalled 
> state?

Last dump was for the stalled state.

I mean my case is flow-control related: set dev.ix.0.fc=0 and
dev.ix.0.fc=1 and down/up interface resolve issuse.

Don't know this is driver related or iflib related.