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From: Oliver Hartkopp <socketcan-fJ+pQTUTwRTk1uMJSBkQmQ@public.gmane.org>
To: "Bernd Krumböck" <krumboeck-Hi41barv6paIERSsAYjmKA@public.gmane.org>
Cc: Bernd Krumboeck
	<b.krumboeck-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	linux-can-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	info-La43T0Mi4bH5xCKuJOYmCvaTkwRoYoCU@public.gmane.org,
	gediminas-LljXPT5IorFWk0Htik3J/w@public.gmane.org
Subject: Re: [PATCH v9] usb_8dev: Add support for USB2CAN interface from 8 devices
Date: Wed, 16 Jan 2013 07:13:08 +0100	[thread overview]
Message-ID: <50F644F4.1080607@hartkopp.net> (raw)
In-Reply-To: <ae58b62ae76e6261e66774c458012a87.squirrel-2RFepEojUI0eLjVtqu/qlogRFKwBiOYo@public.gmane.org>

On 15.01.2013 23:05, "Bernd Krumböck" wrote:

>> [  960.047130] usb_8dev 2-1.4:1.0 can2: Unknown status/error message (0)
>> [  976.544343] usb_8dev 2-1.4:1.0 can2: Unknown status/error message (0)
>>
>> Did you check these kind of 'unfriendly user' tests?
> 
> Not really. At least I don't know what the driver should do. Let me know
> if you have some suggestions.
> 


Pulling/reconnecting CAN and/or USB under heavy CAN load ;-)

>> E.g. pulling the USB under receive load brings this output:
>>
>> [ 1343.786427] usb_8dev 2-1.4:1.0 can2: Rx URB aborted (-32)
>> [ 1343.786640] usb_8dev 2-1.4:1.0 can2: Rx URB aborted (-32)
>>
>> (..) another 344 of these URB aborted messages
> 
> a bit much...
> 
> Maybe we should suppress this messages?
> 


I did not had the time for tests yesterday.
But i will attach my full-load CAN generator today.

Regarding the USB abort messages, i'll try the same with my other USB adapters
and how they behave under these conditions.

I remember some tests for the PEAK USB mainlining ... let's see.

Regards,
Oliver

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  parent reply	other threads:[~2013-01-16  6:13 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-16  7:01 [PATCH v9] usb_8dev: Add support for USB2CAN interface from 8 devices Bernd Krumboeck
     [not found] ` <1355641315-15739-1-git-send-email-krumboeck-Hi41barv6paIERSsAYjmKA@public.gmane.org>
2013-01-14 20:59   ` Oliver Hartkopp
2013-01-15 20:23     ` Marc Kleine-Budde
     [not found]       ` <50F5BAB3.3090902-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2013-01-15 20:30         ` Oliver Hartkopp
2013-01-15 20:40           ` Marc Kleine-Budde
     [not found]     ` <50F471AC.50902-fJ+pQTUTwRTk1uMJSBkQmQ@public.gmane.org>
2013-01-15 22:05       ` "Bernd Krumböck"
     [not found]         ` <ae58b62ae76e6261e66774c458012a87.squirrel-2RFepEojUI0eLjVtqu/qlogRFKwBiOYo@public.gmane.org>
2013-01-16  6:13           ` Oliver Hartkopp [this message]
2013-01-16  7:51             ` "Bernd Krumböck"
2013-01-16  8:07     ` "Bernd Krumböck"
2013-01-17 21:16       ` Oliver Hartkopp
2013-01-18 19:55         ` Oliver Hartkopp
2013-01-19  6:36         ` "Bernd Krumböck"
  -- strict thread matches above, loose matches on Subject: below --
2013-01-18 14:31 "Bernd Krumböck"
2013-01-18 19:47 ` Oliver Hartkopp

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