Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261172AbVDSQcq (ORCPT ); Tue, 19 Apr 2005 12:32:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261621AbVDSQcq (ORCPT ); Tue, 19 Apr 2005 12:32:46 -0400 Received: from ext-ch1gw-7.online-age.net ([64.37.194.15]:9671 "EHLO ext-ch1gw-7.online-age.net") by vger.kernel.org with ESMTP id S261172AbVDSQcn (ORCPT ); Tue, 19 Apr 2005 12:32:43 -0400 Date: Tue, 19 Apr 2005 18:32:21 +0200 From: Karl Kiniger To: Willy Tarreau Cc: linux-kernel@vger.kernel.org Subject: Re: 2.4.30 Oops when connecting external USB hard drive Message-ID: <20050419163221.GA23982@wszip-kinigka.euro.med.ge.com> References: <20050412173911.GA21311@wszip-kinigka.euro.med.ge.com> <20050414050243.GF7858@alpha.home.local> <20050415125048.GA21076@wszip-kinigka.euro.med.ge.com> <20050416055305.GG7858@alpha.home.local> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050416055305.GG7858@alpha.home.local> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2060 Lines: 59 On Sat, Apr 16, 2005 at 07:53:05AM +0200, Willy Tarreau wrote: > On Fri, Apr 15, 2005 at 02:50:48PM +0200, Karl Kiniger wrote: > > On Thu, Apr 14, 2005 at 07:02:44AM +0200, Willy Tarreau wrote: > > > You may try to unload the ehci-hcd driver and load only uhci and check if > > > it still happens. I guess from the trace that the problem lies in the ehci > > > driver itself. > > > > Your guess is right. With only uhci loaded it works (dog slow of course). > > When I then insmod the ehci-hcd driver: instant Oops. > > > > Today I tried with another USB 2.0 enclosure w/o crash - it seems > > to dislike especially the Seagate enclosure. > > Fine, it may not be an important bug. To you :) - it is annoying for me. > > > perhaps the output of cat /proc/bus/usb/devices gives some hint? > > (BTW: what does the asterisk in the 'C:' lines mean?) > > I don't remember at all... > > > On the two "GE Med. Kretz" USB<>IDE devices there is > > a DVD recorder and a Maxtor HD connected, both are working fine > > as long as nobody tries to plug in this particular Seagate. > > > > What to do next? I have no clue about the innards of ehci-hcd.... > > You should CC the ehci-hcd the usb-storage maintainers, they probably tks for advice. > will have more clues or ideas about what you encounter. A post to the > linux-usb-users list would be a good idea too. Also, if you can test > 2.6 and find that it is broken only on 2.4, it will be easier for them > to send you some code to try. I will try to boot something like knoppix or RIP with a 2.6 kernel and see what happens. Thanks anyways, Karl > > Regards, > Willy -- Karl Kiniger mailto:karl.kiniger@med.ge.com GE Medical Systems Kretztechnik GmbH & Co OHG Tiefenbach 15 Tel: (++43) 7682-3800-710 A-4871 Zipf Austria Fax: (++43) 7682-3800-47 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/