From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262342AbVGFXZ3 (ORCPT ); Wed, 6 Jul 2005 19:25:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262339AbVGFXXa (ORCPT ); Wed, 6 Jul 2005 19:23:30 -0400 Received: from main.gmane.org ([80.91.229.2]:48551 "EHLO ciao.gmane.org") by vger.kernel.org with ESMTP id S262546AbVGFXV4 (ORCPT ); Wed, 6 Jul 2005 19:21:56 -0400 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: Alexander Fieroch Subject: Re: PROBLEM: "drive appears confused" and "irq 18: nobody cared!" Date: Thu, 07 Jul 2005 01:20:52 +0200 Message-ID: <42CC6754.8050208@web.de> References: <19D0D50E9B1D0A40A9F0323DBFA04ACCE04C30@USRV-EXCH4.na.uis.unisys.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="------------090505040608030900070801" X-Complaints-To: usenet@sea.gmane.org Cc: Jesper Juhl , Alan Cox , bzolnier@gmail.com, Linux Kernel Mailing List , axboe@suse.de, Bartlomiej Zolnierkiewicz , Alexey Dobriyan , Andrew Morton X-Gmane-NNTP-Posting-Host: osten.wh.uni-dortmund.de User-Agent: Debian Thunderbird 1.0.2 (X11/20050611) X-Accept-Language: de-de, en-us, en In-Reply-To: <19D0D50E9B1D0A40A9F0323DBFA04ACCE04C30@USRV-EXCH4.na.uis.unisys.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This is a multi-part message in MIME format. --------------090505040608030900070801 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Protasevich, Natalie wrote: > Hi Alexander, > To me, it looks like both IDE channels get wrong IRQ. Didn't you > verified previously that when you go without IDE the system boots up OK? Yes it does. That's the way I'm currently using linux. > They get some interrupts because when IRQ 201 occurs triggered by USB, > the handler for ide runs also, since it is shared with both ide and > uhci. (Can you also attach output for "cat /proc/interrupts" please). Ah, acknowledged. IDE and USB iterrupts are shared. /proc/interrupts is attached. >> >Then I would try forth-feeding IRQ 14 to the IDE. >> >>I don't know how to do that. > > I was going to put some code together for you over the weekend, but got > caught up in other things, sorry. No problem. I just wanted to know that the problem is not forgotten. > The idea was to forcibly assign IRQ 14 > for ide0 and IRQ 15 for ide1 in the ide driver, setup-pci.c (just for > diagnostics and proof of concept so to speak) and see if devices become > sane. > I will try tweaking it tonight. I need to make sure it works on my > system first and if it does I will send you the code. > Thanks, > --Natalie No, thank you for working on that problem! Regards, Alexander --------------090505040608030900070801 Content-Type: text/plain; name="interrupts" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="interrupts" CPU0 CPU1 0: 143266 0 IO-APIC-edge timer 1: 908 0 IO-APIC-edge i8042 7: 0 0 IO-APIC-edge parport0 8: 0 0 IO-APIC-edge rtc 9: 0 0 IO-APIC-level acpi 10: 0 0 IO-APIC-edge MPU401 UART 169: 1857 0 IO-APIC-level skge, uhci_hcd:usb5, HDA Intel 177: 3 0 IO-APIC-level bttv0 185: 365 0 IO-APIC-level ide2, ehci_hcd:usb1, uhci_hcd:usb2 193: 13324 0 IO-APIC-level libata, uhci_hcd:usb3 201: 1600000 0 IO-APIC-level ide0, uhci_hcd:usb4 209: 3 0 IO-APIC-level ohci1394, Ensoniq AudioPCI NMI: 51 1 LOC: 140268 140272 ERR: 1 MIS: 0 --------------090505040608030900070801--