Return-path: Received: from smtp1.linux-foundation.org ([140.211.169.13]:52751 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755426AbYDOJBH (ORCPT ); Tue, 15 Apr 2008 05:01:07 -0400 Date: Tue, 15 Apr 2008 02:01:03 -0700 From: Andrew Morton To: "Bart Van Assche" Cc: bugme-daemon@bugzilla.kernel.org, linux-wireless@vger.kernel.org, linux-acpi@vger.kernel.org Subject: Re: [Bugme-new] [Bug 10455] New: Kernel lockup when iwl3945 modules is loaded after a few hours Message-Id: <20080415020103.cd8e17f4.akpm@linux-foundation.org> (sfid-20080415_100112_538100_D09E6FDD) In-Reply-To: References: <20080415013251.e90e5abd.akpm@linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-wireless-owner@vger.kernel.org List-ID: On Tue, 15 Apr 2008 10:39:17 +0200 "Bart Van Assche" wrote: > On Tue, Apr 15, 2008 at 10:32 AM, Andrew Morton > wrote: > > > > > Latest working kernel version: (not known) > > > Earliest failing kernel version: 2.6.25-rc9 > > > > hm, why? Has this machine never run earlier kernels? > > 2.6.22-14 works fine on the same hardware. This is the kernel provided > by Ubuntu. OK, thanks, so it's a regression but we don't know if it's a post-2.6.25 regression. > > > Apr 14 21:06:00 localhost kernel: ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 19 > > > (level, low) -> IRQ 19 > > > Apr 14 21:06:00 localhost kernel: ACPI: PCI interrupt for device 0000:05:00.0 > > > disabled > > > > Yes, that does look like an ACPI problem. But one would expect it to kill > > the interface immediately, not several hours later. > > > > Can you send the /proc/interrupts contents? > > Here it is: > > CPU0 CPU1 > 0: 996478 0 IO-APIC-edge timer > 1: 30 0 IO-APIC-edge i8042 > 8: 7 0 IO-APIC-edge rtc > 9: 57710 0 IO-APIC-fasteoi acpi > 12: 132 0 IO-APIC-edge i8042 > 14: 31294 11519 IO-APIC-edge ata_piix > 15: 69158 0 IO-APIC-edge ata_piix > 16: 85016 0 IO-APIC-fasteoi uhci_hcd:usb4, > i915@pci:0000:00:02.0 > 18: 15921 0 IO-APIC-fasteoi uhci_hcd:usb3 > 19: 0 0 IO-APIC-fasteoi uhci_hcd:usb2 > 21: 79770 60509 IO-APIC-fasteoi eth0 > 22: 5811 0 IO-APIC-fasteoi HDA Intel > 23: 3 0 IO-APIC-fasteoi uhci_hcd:usb1, ehci_hcd:usb5 > NMI: 0 0 Non-maskable interrupts > LOC: 509 996926 Local timer interrupts > RES: 29774 84400 Rescheduling interrupts > CAL: 62 28154 function call interrupts > TLB: 868 1262 TLB shootdowns > TRM: 0 0 Thermal event interrupts > SPU: 0 0 Spurious interrupts > ERR: 0 > MIS: 0 hm, OK. I'd suggest that you raise a separate report against acpi_config-interrupts@kernel-bugs.osdl.org for this one - it does appear to be unrelated, I think.