From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261790AbTEKR2C (ORCPT ); Sun, 11 May 2003 13:28:02 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261798AbTEKR2C (ORCPT ); Sun, 11 May 2003 13:28:02 -0400 Received: from modemcable204.207-203-24.mtl.mc.videotron.ca ([24.203.207.204]:17537 "EHLO montezuma.mastecende.com") by vger.kernel.org with ESMTP id S261790AbTEKR2A (ORCPT ); Sun, 11 May 2003 13:28:00 -0400 Date: Sun, 11 May 2003 13:31:32 -0400 (EDT) From: Zwane Mwaikambo X-X-Sender: zwane@montezuma.mastecende.com To: Jeff Garzik cc: Daniel Ritz , linux-kernel , Andrew Morton Subject: Re: [bug 2.5.69] xirc2ps_cs, irq 3: nobody cared, shutdown hangs In-Reply-To: <3EBE8768.4000007@pobox.com> Message-ID: References: <200305111647.32113.daniel.ritz@gmx.ch> <3EBE8768.4000007@pobox.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 11 May 2003, Jeff Garzik wrote: > If this patch works, it's mainly a signal to dig deeper. > > If netif_device_present() returns false, we think the hardware has > disappeared. So that implies a bug in calling netif_device_detach() no > a bug in the irq handler return value. > > This is _especially_ true for pcmcia, even more than pci. PCI ejects > (including cardbus) are electrically safe, whereas pcmcia is different. > If pcmcia hardware disappears on you, you _really_ don't want to be > bitbanging its ports. Could possibly be a problem in CardServices, it appears to defer free'ing interrupts. -- function.linuxpower.ca