Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760813AbXKTWQn (ORCPT ); Tue, 20 Nov 2007 17:16:43 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757025AbXKTWQc (ORCPT ); Tue, 20 Nov 2007 17:16:32 -0500 Received: from py-out-1112.google.com ([64.233.166.183]:54854 "EHLO py-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756345AbXKTWQb (ORCPT ); Tue, 20 Nov 2007 17:16:31 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=li1fWzXRhgsLez2QKRpykmoNoH2ALMQMkedkSY9KQAx8XIdXgpY89IYb67yR8NQN7rV762LKwE9E2DCyF+e8hZmd04ccaA5/iH1PxPHaIImv9H5rdD71EOC+oUSOk/GLl8d1vuMkj1hEp6TCS77WP4hwLscmfm+yWAOhiNiYIHo= Message-ID: Date: Tue, 20 Nov 2007 23:16:29 +0100 From: noah To: "Alan Cox" Subject: Re: Possibly SATA related freeze killed networking and RAID Cc: "Linux Kernel Mailing List" , linux-ide@vger.kernel.org In-Reply-To: <20071120220512.46b9e975@the-village.bc.nu> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20071120220512.46b9e975@the-village.bc.nu> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1730 Lines: 40 2007/11/20, Alan Cox : > > kernel: [734344.717844] irq 21: nobody cared (try booting with the > > "irqpoll" option) > > kernel: [734344.717866] > > Your machine decided to emit interrupt 21 without an apparent reason. > Whatever caused that made the kernel shut down IRQ 21 at which point the > disk drives on that IRQ were no longer being serviced. Everything on IRQ > 21 would have died - which may be why your networking failed too. > > What do you have on IRQ 21 and is this a one off ? I've had other freezes before but this was the first time I was able to see what was actually going on. IRQ 21 appears to be shared between sata_nv and ethernet. Does this mean my hardware/BIOS is broken somehow? I'm running the latest BIOS available. # cat /proc/interrupts CPU0 CPU1 0: 26497 3603163 IO-APIC-edge timer 1: 0 2 IO-APIC-edge i8042 8: 0 0 IO-APIC-edge rtc 9: 0 0 IO-APIC-fasteoi acpi 12: 0 6 IO-APIC-edge i8042 16: 4851 669159 IO-APIC-fasteoi shpchp, libata 20: 0 0 IO-APIC-fasteoi sata_nv 21: 36443 4775430 IO-APIC-fasteoi sata_nv, eth0 22: 31261 4531218 IO-APIC-fasteoi ohci_hcd:usb1, sata_nv 23: 4 1649 IO-APIC-fasteoi HDA Intel, ehci_hcd:usb2 NMI: 0 0 LOC: 3629562 3629543 ERR: 0 -- noah - 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/