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From: Wolfgang Grandegger <wg@grandegger.com>
To: Laurenz <linux-can@laure.nz>, linux-can@vger.kernel.org
Subject: Re: Clear errorframe
Date: Wed, 20 Jul 2016 10:38:26 +0200	[thread overview]
Message-ID: <578F3882.30803@grandegger.com> (raw)
In-Reply-To: <b91b00bc-8ebb-766b-5fc1-57e37886bc87@laure.nz>

Hello,

Am 19.07.2016 um 16:12 schrieb Laurenz:
> Hi,
>
> when I "cansend can0 000#" and no device is attached to my bus, "candump
> -e any,#FFFFFFFF" will print a no-acknowledgement-on-tx errorframe forever.
>
> Is there a way to clear the error?

That is *normal* behaviour. It's the hardware retrying to send out the 
message. Is it necessary to send such an error message for each retry? 
Well, that's discussable. What CAN controller are you using?

Wolfgang.


  reply	other threads:[~2016-07-20  8:38 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-19 14:12 Clear errorframe Laurenz
2016-07-20  8:38 ` Wolfgang Grandegger [this message]
2016-07-20  8:49   ` Laurenz
2016-07-20 12:27     ` Wolfgang Grandegger

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