From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261772AbVFFXZQ (ORCPT ); Mon, 6 Jun 2005 19:25:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261654AbVFFXW6 (ORCPT ); Mon, 6 Jun 2005 19:22:58 -0400 Received: from [213.228.0.44] ([213.228.0.44]:19652 "EHLO postfix3-1.free.fr") by vger.kernel.org with ESMTP id S261777AbVFFXVe (ORCPT ); Mon, 6 Jun 2005 19:21:34 -0400 Message-ID: <1118072623.42a46f2f472fd@imp1-q.free.fr> Date: Mon, 6 Jun 2005 17:43:43 +0200 From: castet.matthieu@free.fr To: Michael Tokarev Cc: linux-kernel@vger.kernel.org Subject: Re: PNP parallel&serial ports: module reload fails (2.6.11)? References: <20050602222400.GA8083@mut38-1-82-67-62-65.fbx.proxad.net> <429FA1F3.9000001@tls.msk.ru> <42A2D37A.5050408@free.fr> <42A46551.9010707@tls.msk.ru> In-Reply-To: <42A46551.9010707@tls.msk.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT User-Agent: Internet Messaging Program (IMP) 3.2.5 X-Originating-IP: 82.67.62.65 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, Selon Michael Tokarev : > matthieu castet wrote: > > Michael Tokarev wrote: > > > In other message, you wrote: > > > In your bios, which mode is your parport ? > > > > Could you try LPPR mode (or something like that ?) > > Are you referring to ECP, EPP, Bi-Di etc modes? > (note there's serial port too, which has exactly the same prob > with (re)loading the driver). > Yes, but I don't know which LPPR is : there is one mode that use 1 ioport and the other 2 ioports. Try EPP ? > > Have you try the patches ? > > Yes, tried the patches you sent last friday - from > http://bugme.osdl.org/attachment.cgi?id=4504&action=view > and from your message in this thread with MSGID = 429FF17C.9080902@free.fr > (this last patch depends on the first). Makes no (visible) difference > on HP ML 150 box, the same stuff is shown in dmesg, and on reload neither > parallel nor serial ports works. > > I'll try some more experiments later today (hopefully) when my co-workers > (who are using this box right now so I can't freely reboot it as I wish) > will go home... ;) > try to post cat /sys/bus/pnp/drivers/parport_pc/*/{options,resources} and cat /sys/bus/pnp/drivers/serial/*/{options,resources} > BTW, looks like 8250_pnp module is also somewhat strange. When loading > 8250 alone, it detects (at least some) standard serial ports just fine, > and when loading 8250_pnp, the same port is being "re-detected" again. > But when unloading 8250_pnp, even when 8250 module is still loaded, > that only port is disabled. Looks somewhat.. assimetric to me, without > counting issue with re-enabling of a pnp device. yes there something strange... Matthieu