Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750946AbWAOWvF (ORCPT ); Sun, 15 Jan 2006 17:51:05 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750951AbWAOWvF (ORCPT ); Sun, 15 Jan 2006 17:51:05 -0500 Received: from tornado.reub.net ([202.89.145.182]:41425 "EHLO tornado.reub.net") by vger.kernel.org with ESMTP id S1750945AbWAOWvD (ORCPT ); Sun, 15 Jan 2006 17:51:03 -0500 Message-ID: <43CAD1BB.60301@reub.net> Date: Mon, 16 Jan 2006 11:50:35 +1300 From: Reuben Farrelly User-Agent: Thunderbird 1.6a1 (Windows/20060115) MIME-Version: 1.0 To: Alan Stern CC: Andrew Morton , linux-kernel@vger.kernel.org, jgarzik@pobox.com, Greg KH , linux-usb-devel@lists.sourceforge.net, Neil Brown , linux-acpi@vger.kernel.org Subject: Re: [linux-usb-devel] Re: 2.6.15-mm3 [USB lost interrupt bug] References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4035 Lines: 101 On 13/01/2006 4:53 a.m., Alan Stern wrote: > On Thu, 12 Jan 2006, Reuben Farrelly wrote: > >>>> Initializing USB Mass Storage driver... >>>> irq 193: nobody cared (try booting with the "irqpoll" option) > >>>> handlers: >>>> [] (usb_hcd_irq+0x0/0x56) >>>> Disabling IRQ #193 >>> USB lost its interrupt. Could be USB, more likely ACPI. >> I've seen this one happen nearly every boot since then including bootups that >> are otherwise OK (no oopses), so it's probably worth more looking into rather >> than being written off as a 'once off': >> >> uhci_hcd 0000:00:1d.3: Unlink after no-IRQ? Controller is probably using the >> wrong IRQ. > >> It's a new regression to -mm3. > > Did the same IRQ get assigned to that controller in earlier kernel > versions? > > Alan Stern Hi Alan, If it's any use, here's some simply and easy-to-get information which may even be what you are looking for: [root@tornado dovecot]# uname -a Linux tornado.reub.net 2.6.15-mm1 #1 SMP Sun Jan 8 03:42:25 NZDT 2006 i686 i686 i386 GNU/Linux [root@tornado ~]# cat /proc/interrupts CPU0 CPU1 0: 21638510 0 IO-APIC-edge timer 4: 356 0 IO-APIC-edge serial 8: 1 0 IO-APIC-edge rtc 9: 0 0 IO-APIC-level acpi 14: 1 0 IO-APIC-edge ide0 50: 3 0 IO-APIC-level ehci_hcd:usb1, uhci_hcd:usb2 169: 120 0 IO-APIC-level uhci_hcd:usb5 177: 2837992 0 IO-APIC-level sky2 185: 61450 0 IO-APIC-level uhci_hcd:usb4, serial 193: 4722447 0 IO-APIC-level libata, uhci_hcd:usb3 NMI: 0 0 LOC: 21638418 21638338 ERR: 0 MIS: 0 [root@tornado ~]# [root@tornado ~]# lspci 00:00.0 Host bridge: Intel Corporation 925X/XE Memory Controller Hub (rev 04) 00:01.0 PCI bridge: Intel Corporation 925X/XE PCI Express Root Port (rev 04) 00:1c.0 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI Express Port 1 (rev 03) 00:1c.1 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI Express Port 2 (rev 03) 00:1c.2 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI Express Port 3 (rev 03) 00:1c.3 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI Express Port 4 (rev 03) 00:1d.0 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #1 (rev 03) 00:1d.1 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #2 (rev 03) 00:1d.2 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #3 (rev 03) 00:1d.3 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #4 (rev 03) 00:1d.7 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB2 EHCI Controller (rev 03) 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev d3) 00:1f.0 ISA bridge: Intel Corporation 82801FB/FR (ICH6/ICH6R) LPC Interface Bridge (rev 03) 00:1f.1 IDE interface: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) IDE Controller (rev 03) 00:1f.2 SATA controller: Intel Corporation 82801FR/FRW (ICH6R/ICH6RW) SATA Controller (rev 03) 00:1f.3 SMBus: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) SMBus Controller (rev 03) 04:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8050 PCI-E ASF Gigabit Ethernet Controller (rev 17) 06:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA 2064W [Millennium] (rev 01) 06:02.0 Serial controller: Timedia Technology Co Ltd PCI2S550 (Dual 16550 UART) (rev 01) [root@tornado ~]# I guess this looks like it was assigned the same IRQ ? Currently booted into -mm1 which is OK and hasn't shown any nasty symptoms yet. Reuben - 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/