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From: Oliver Hartkopp <oliver.hartkopp@volkswagen.de>
To: Stephane Grosjean <s.grosjean@peak-system.com>
Cc: linux-can Mailing List <linux-can@vger.kernel.org>
Subject: Re: About can/usb v4 patches serie
Date: Tue, 07 Feb 2012 14:51:55 +0100	[thread overview]
Message-ID: <4F312C7B.1020907@volkswagen.de> (raw)
In-Reply-To: <4F312A9E.60506@peak-system.com>

On 07.02.2012 14:43, Stephane Grosjean wrote:

> Sorry for the typo but the above issue I talked about concerns the peak_pci
> driver and the PCIeC card, not the PCMCIA driver!
> So please confirm:
>
> - pciec iissue: deadlock occurs during 1xMbps traffic, afaik it occurs with
> the led timer

Yes. This problem occurs just when you set the interface to "up" with heavy 
traffic being on the bus.

> - but what about this above "eject" issue, regarding the PCMCIA cards and
> these removal notifications? Can you give me more explanations, please?

Just pull out these interfaces (both PCIeC, PCMCIA) out of the notebook 
without shutting them down before - when having full CAN rx busload.
You'll see your laptop freezing :-)

These are just some unfriendly but possible use cases from real life.

Regards,
Oliver

  reply	other threads:[~2012-02-07 13:52 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-03 15:12 [PATCH v2] can/sja1000: add support for PEAK-System PCMCIA card Stephane Grosjean
2012-02-03 16:44 ` Oliver Hartkopp
2012-02-06 16:03 ` Oliver Hartkopp
2012-02-06 17:05   ` Sven Geggus
2012-02-06 17:41     ` Oliver Hartkopp
     [not found]   ` <4F30F691.5070307@peak-system.com>
2012-02-07 13:13     ` About can/usb v4 patches serie Oliver Hartkopp
2012-02-07 13:43       ` Stephane Grosjean
2012-02-07 13:51         ` Oliver Hartkopp [this message]
2012-02-15 14:41       ` Stephane Grosjean
2012-02-15 20:05         ` Oliver Hartkopp
2012-02-10 11:00   ` can/sja1000: potential issue in sja1000.c? Stephane Grosjean
2012-02-10 11:16     ` Marc Kleine-Budde
2012-02-10 11:44       ` Wolfgang Grandegger
2012-02-10 15:32         ` Sebastian Haas
2012-02-10 15:37           ` Marc Kleine-Budde
2012-02-10 11:56       ` Wolfgang Grandegger
2012-02-10 15:39       ` Oliver Hartkopp

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