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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next prev 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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