From: Marc Kleine-Budde <mkl@pengutronix.de>
To: "AnilKumar, Chimata" <anilkumar@ti.com>
Cc: "linux-can@vger.kernel.org" <linux-can@vger.kernel.org>,
"Gole, Anant" <anantgole@ti.com>
Subject: Re: [PATCH] can: ti_hecc: WIP: fix out-of-order problem - CANMIN Version
Date: Wed, 07 Nov 2012 15:16:56 +0100 [thread overview]
Message-ID: <509A6D58.4060104@pengutronix.de> (raw)
In-Reply-To: <331ABD5ECB02734CA317220B2BBEABC13EA665AB@DBDE01.ent.ti.com>
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On 11/07/2012 02:56 PM, AnilKumar, Chimata wrote:
[...]
>>> 3. @1MBPS I have seen the wrong sequence message.
>>
>> Can you give the the exact error messages. There is a difference between
>> "lost" messages and out-of-order messages. Lost messages simply print a
>> single wrong sequence number detected message. An out-of-order reception
>> prints a characteristic 3 line error message.
>
> These are the message I am seeing at 1MBPS
>
> [root@arago /]# cansequence -r -v | grep wron
> received wrong sequence count. expected: 191, got: 192
> received wrong sequence count. expected: 193, got: 194
> received wrong sequence count. expected: 195, got: 196
> received wrong sequence count. expected: 197, got: 198
These are lost frames, they are not out-of-order. Would be interesting
to know if they are list in the socket or in the hardware. I've hacked
the driver to do the cansequence analysis in the driver, I'll port the
patches and post them here.
Marc
--
Pengutronix e.K. | Marc Kleine-Budde |
Industrial Linux Solutions | Phone: +49-231-2826-924 |
Vertretung West/Dortmund | Fax: +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de |
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prev parent reply other threads:[~2012-11-07 14:17 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <a>
2012-11-05 19:53 ` [PATCH] can: ti_hecc: WIP: fix out-of-order problem - CANMIN Version Marc Kleine-Budde
2012-11-07 12:10 ` AnilKumar, Chimata
2012-11-07 12:27 ` Marc Kleine-Budde
2012-11-07 13:56 ` AnilKumar, Chimata
2012-11-07 14:16 ` Marc Kleine-Budde [this message]
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