Return-path: Received: from smtp1.linux-foundation.org ([140.211.169.13]:46868 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754297AbYDOIdX (ORCPT ); Tue, 15 Apr 2008 04:33:23 -0400 Date: Tue, 15 Apr 2008 01:32:51 -0700 From: Andrew Morton To: bart.vanassche@gmail.com 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: <20080415013251.e90e5abd.akpm@linux-foundation.org> (sfid-20080415_093330_348540_8CAFC0DD) In-Reply-To: References: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-wireless-owner@vger.kernel.org List-ID: (switched to email. Please respond via emailed reply-to-all, not via the bugzilla web interface). On Tue, 15 Apr 2008 01:16:39 -0700 (PDT) bugme-daemon@bugzilla.kernel.org wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=10455 > > Summary: Kernel lockup when iwl3945 modules is loaded after a few > hours > Product: Drivers > Version: 2.5 > KernelVersion: 2.6.25-rc9 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: network-wireless > AssignedTo: drivers_network-wireless@kernel-bugs.osdl.org > ReportedBy: bart.vanassche@gmail.com > > > Latest working kernel version: (not known) > Earliest failing kernel version: 2.6.25-rc9 hm, why? Has this machine never run earlier kernels? > Distribution: Ubuntu Linux 7.10 > Hardware Environment: Acer Aspire laptop model 5633WLMi > Software Environment: Ubuntu Linux 7.10, 32 bit mode. > Problem Description: When the iwl3945 module is loaded, the kernel locks up > after a few hours. This problem does not occur when the iwl3945 module is not > loaded. > > Steps to reproduce: Boot the system. > > The following kernel messages look suspicious: > > Apr 14 20:16:24 localhost kernel: ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 19 > (level, low) -> IRQ 19 > Apr 14 20:16:24 localhost kernel: ACPI: PCI interrupt for device 0000:05:00.0 > disabled > Apr 14 20:18:28 localhost kernel: ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 19 > (level, low) -> IRQ 19 > Apr 14 20:18:28 localhost kernel: ACPI: PCI interrupt for device 0000:05:00.0 > disabled > Apr 14 20:20:32 localhost kernel: ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 19 > (level, low) -> IRQ 19 > Apr 14 20:20:32 localhost kernel: ACPI: PCI interrupt for device 0000:05:00.0 > disabled > Apr 14 20:22:36 localhost kernel: ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 19 > (level, low) -> IRQ 19 > Apr 14 20:22:36 localhost kernel: ACPI: PCI interrupt for device 0000:05:00.0 > disabled > Apr 14 20:24:40 localhost kernel: ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 19 > (level, low) -> IRQ 19 > Apr 14 20:24:40 localhost kernel: ACPI: PCI interrupt for device 0000:05:00.0 > disabled > Apr 14 20:26:44 localhost kernel: ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 19 > (level, low) -> IRQ 19 > Apr 14 20:26:44 localhost kernel: ACPI: PCI interrupt for device 0000:05:00.0 > disabled > Apr 14 20:28:48 localhost kernel: ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 19 > (level, low) -> IRQ 19 > Apr 14 20:28:48 localhost kernel: ACPI: PCI interrupt for device 0000:05:00.0 > disabled > Apr 14 20:30:52 localhost kernel: ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 19 > (level, low) -> IRQ 19 > Apr 14 20:30:52 localhost kernel: ACPI: PCI interrupt for device 0000:05:00.0 > disabled > Apr 14 20:32:56 localhost kernel: ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 19 > (level, low) -> IRQ 19 > Apr 14 20:32:56 localhost kernel: ACPI: PCI interrupt for device 0000:05:00.0 > disabled > Apr 14 20:35:00 localhost kernel: ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 19 > (level, low) -> IRQ 19 > Apr 14 20:35:00 localhost kernel: ACPI: PCI interrupt for device 0000:05:00.0 > disabled > Apr 14 20:37:04 localhost kernel: ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 19 > (level, low) -> IRQ 19 > Apr 14 20:37:04 localhost kernel: ACPI: PCI interrupt for device 0000:05:00.0 > disabled > Apr 14 20:39:08 localhost kernel: ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 19 > (level, low) -> IRQ 19 > Apr 14 20:39:08 localhost kernel: ACPI: PCI interrupt for device 0000:05:00.0 > disabled > Apr 14 20:41:12 localhost kernel: ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 19 > (level, low) -> IRQ 19 > Apr 14 20:41:12 localhost kernel: ACPI: PCI interrupt for device 0000:05:00.0 > disabled > Apr 14 20:43:16 localhost kernel: ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 19 > (level, low) -> IRQ 19 > Apr 14 20:43:16 localhost kernel: ACPI: PCI interrupt for device 0000:05:00.0 > disabled > Apr 14 20:45:20 localhost kernel: ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 19 > (level, low) -> IRQ 19 > Apr 14 20:45:20 localhost kernel: ACPI: PCI interrupt for device 0000:05:00.0 > disabled > Apr 14 20:47:24 localhost kernel: ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 19 > (level, low) -> IRQ 19 > Apr 14 20:47:24 localhost kernel: ACPI: PCI interrupt for device 0000:05:00.0 > disabled > Apr 14 20:49:28 localhost kernel: ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 19 > (level, low) -> IRQ 19 > Apr 14 20:49:28 localhost kernel: ACPI: PCI interrupt for device 0000:05:00.0 > disabled > Apr 14 20:51:32 localhost kernel: ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 19 > (level, low) -> IRQ 19 > Apr 14 20:51:32 localhost kernel: ACPI: PCI interrupt for device 0000:05:00.0 > disabled > Apr 14 20:53:36 localhost kernel: ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 19 > (level, low) -> IRQ 19 > Apr 14 20:53:36 localhost kernel: ACPI: PCI interrupt for device 0000:05:00.0 > disabled > Apr 14 20:55:40 localhost kernel: ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 19 > (level, low) -> IRQ 19 > Apr 14 20:55:40 localhost kernel: ACPI: PCI interrupt for device 0000:05:00.0 > disabled > Apr 14 20:57:44 localhost kernel: ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 19 > (level, low) -> IRQ 19 > Apr 14 20:57:44 localhost kernel: ACPI: PCI interrupt for device 0000:05:00.0 > disabled > Apr 14 20:59:48 localhost kernel: ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 19 > (level, low) -> IRQ 19 > Apr 14 20:59:48 localhost kernel: ACPI: PCI interrupt for device 0000:05:00.0 > disabled > Apr 14 21:01:52 localhost kernel: ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 19 > (level, low) -> IRQ 19 > Apr 14 21:01:52 localhost kernel: ACPI: PCI interrupt for device 0000:05:00.0 > disabled > Apr 14 21:03:56 localhost kernel: ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 19 > (level, low) -> IRQ 19 > Apr 14 21:03:56 localhost kernel: ACPI: PCI interrupt for device 0000:05:00.0 > disabled > 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?