Re: Kvazer USB CAN driver

From: Oliver Hartkopp <socketcan@hartkopp.net>
To: "GARNERO, PIERRE (P.)" <pgarnero@visteon.com>
Cc: "linux-can@vger.kernel.org" <linux-can@vger.kernel.org>,
	Olivier Sobrie <olivier@sobrie.be>,
	Daniel Berglund <db@kvaser.com>
Subject: Re: Kvazer USB CAN driver
Date: Wed, 08 Jan 2014 22:28:39 +0100	[thread overview]
Message-ID: <52CDC307.1020102@hartkopp.net> (raw)
In-Reply-To: <85d7d20e09a64996a182e491c6d250e0@AMSPR06MB053.eurprd06.prod.outlook.com>

Hello Pierre,

what exact kernel version are you using there?

Do you use the Mainline driver that comes with Linux or did you use the Kvaser
driver from http://www.kvaser.com/en/downloads.html ??

Can you provide a crash dump?

I also added the Kvaser authors in CC

Regards,
Oliver

On 07.01.2014 17:46, GARNERO, PIERRE (P.) wrote:
> Hello,
> 
> Thanks for all this information. And, basically the issue is the fact that no can network interface shows up.
> 
> If I boot with the Kvaser device plugged, I could well see it using:
>  Lsusb
> 
> ...but 
>  sudo ip link list
> ...does not reveal any can interface while I have loaded these modules: can, can-raw, can-dev, kvaser-usb.
> ...while dmesg displays "usbcore: registered new interface driver kvaser_usb"...
> 
> In addition, if I hotplug Kvaser device, I get a kernel panic.
> 
> So, I have probably made a mistake when I have built the kernel.
> 
> Cheers,
> 
> Pierre 
> 
>  
> -----Message d'origine-----
> De : socketcan-users-bounces@lists.berlios.de [mailto:socketcan-users-bounces@lists.berlios.de] De la part de Max S.
> Envoyé : mardi 7 janvier 2014 16:17
> À : socketcan-users@lists.berlios.de
> Objet : Re: [Socketcan-users] Beginner question - Kvazer USB CAN driver
> 
> Hello,
> 
> I'm not sure about the kvaser in particular, but the driver should create the network interfaces when the USB device is attached.
> 
> so no need to add a new socketcan device.
> 
> Check to make sure you have kvaser connected:
> 	lsusb
> 
> Check to make sure kvaser driver has made network interfaces:
> 	sudo ip link list
> 
> Then bring the interface up:
> 	sudo ip link set can0 up type can bitrate 250000
> 
> Listen to some frames:
> 	candump can0
> 
> Depending on how you have permissions set up you will require sudo to use most of the ip commands.
> 
> Regards,
> Max Schneider
> 
> On Tue, 2014-01-07 at 14:17 +0000, GARNERO, PIERRE (P.) wrote:
>> Hello.
>>
>>  
>>
>> I would like to use a KVAZER USBcan Rugged device with the socketcan 
>> library.
>>
>> I use Raspbian OS and I have built a kernel with anything enabled 
>> regarding CAN.
>>
>>  
>>
>> I have loaded the following modules:
>>
>> # modprobe can
>>
>> # modprobe vcan
>>
>> # modprobe can-raw
>>
>> # modprobe can-dev
>>
>> # modprobe kvazer-usb
>>
>>  
>>
>> But any ip link command (ex: ip link add dev can0 type can) failed 
>> with “RTNETLINK answer : operation not permitted” (excepted for vcan 
>> which works well).
>>
>>  
>>
>> Could someone provide me some hints regarding the steps to have a 
>> Kvaser USBcan device up and running using the net driver ?
>>
>>  
>>
>> Many thanks in advance,
>>
>>  
>>
>> Pierre
>>
>>  
>>
>>  
>>
>>  
>>
>>  
>>
>>  
>>
>>
>> _______________________________________________
>> Socketcan-users mailing list
>> Socketcan-users@lists.berlios.de
>> https://lists.berlios.de/mailman/listinfo/socketcan-users
> 
> 
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