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Date:      Mon, 12 Mar 2012 13:32:07 -0700
From:      Jack Vogel <jfvogel@gmail.com>
To:        Steven Hartland <killing@multiplay.co.uk>
Cc:        freebsd-net@freebsd.org, =?KOI8-R?B?68/O2MvP1yDl18fFzsnK?= <kes-kes@yandex.ru>
Subject:   Re: Re[2]: ixgbe interface micro stalls / slow responses
Message-ID:  <CAFOYbcnyhB-vTsm_Umgg4Cgk_Rdw2UgKgc_BdPsybpb-TScHsg@mail.gmail.com>
In-Reply-To: <C3CD71686C1047FFBD89691D9B8C176F@multiplay.co.uk>
References:  <18969B34B4EE402986389D5022DCCB35@multiplay.co.uk> <853549959.20120312184940@yandex.ru> <2B4507129C2141BC9D12B6F7BE5987B3@multiplay.co.uk> <50980382.20120312202136@yandex.ru> <86016A34935443C383B3EE08F3D4292D@multiplay.co.uk> <CAFOYbckT_xsbR1Qdtf%2BNscFaRedPqjLhtRzcsJ%2B%2B3F0XfYaqfA@mail.gmail.com> <2ABAFC6511784968A02D9580D8EB2AE7@multiplay.co.uk> <CAFOYbc=MvUDxQwWQdKKwO9PVU6FO%2BTuYKiUpwR8kZOJFxs2Zqw@mail.gmail.com> <C3CD71686C1047FFBD89691D9B8C176F@multiplay.co.uk>

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I don't know what to make of it right now, i would suggest going minimal,
meaning go to a single
queue and see what the behavior is.

Jack


2012/3/12 Steven Hartland <killing@multiplay.co.uk>

> **
> Looks like nmbclusters sysctl changes need to loader.conf so they are
> available early enough for the driver.
>
> We haven't rebooted to test that yet as the machine is under so little
> network load I wouldn't expect raising it from 1024 to 2048 RX descriptor=
s
> to make any real difference, what do you recon?
>
>     Regards
>     Steve
>
> ----- Original Message -----
> *From:* Jack Vogel <jfvogel@gmail.com>
> *To:* Steven Hartland <killing@multiplay.co.uk>
> *Cc:* =EB=CF=CE=D8=CB=CF=D7 =E5=D7=C7=C5=CE=C9=CA <kes-kes@yandex.ru> ; f=
reebsd-net@freebsd.org
> *Sent:* Monday, March 12, 2012 8:11 PM
> *Subject:* Re: Re[2]: ixgbe interface micro stalls / slow responses
>
> Have you gotten rid of the rx descriptors exceeded problem?
>
>
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
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