From mboxrd@z Thu Jan 1 00:00:00 1970 From: Oliver Hartkopp Subject: Re: About can/usb v4 patches serie Date: Tue, 07 Feb 2012 14:51:55 +0100 Message-ID: <4F312C7B.1020907@volkswagen.de> References: <1328281974-11761-1-git-send-email-s.grosjean@peak-system.com> <4F2FF9EE.1060301@volkswagen.de> <4F30F691.5070307@peak-system.com> <4F31238A.9060305@volkswagen.de> <4F312A9E.60506@peak-system.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mr1.volkswagen.de ([194.114.62.75]:44300 "EHLO mr1.volkswagen.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756225Ab2BGNwb (ORCPT ); Tue, 7 Feb 2012 08:52:31 -0500 In-Reply-To: <4F312A9E.60506@peak-system.com> Sender: linux-can-owner@vger.kernel.org List-ID: To: Stephane Grosjean Cc: linux-can Mailing List 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