From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161091AbXAENUH (ORCPT ); Fri, 5 Jan 2007 08:20:07 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161092AbXAENUH (ORCPT ); Fri, 5 Jan 2007 08:20:07 -0500 Received: from twin.jikos.cz ([213.151.79.26]:34918 "EHLO twin.jikos.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161091AbXAENUF (ORCPT ); Fri, 5 Jan 2007 08:20:05 -0500 Date: Fri, 5 Jan 2007 14:19:41 +0100 (CET) From: Jiri Kosina To: Kristen Carlson Accardi , Len Brown , Andrew Morton cc: linux-acpi@intel.com, linux-kernel@vger.kernel.org Subject: ACPI bay - 2.6.20-rc3-mm1 hangs on boot Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, 2.6.20-rc3-mm1 hangs on boot on my IBM T42p when compiled with ACPI_BAY=y. Below is the trace of two BUGs I get. When compiled with ACPI_BAY=n, it boots fine. The traces are hand-rewritten (no serial console on that machine), so I have omitted the code offsets in the stacktraces. ACPI: ACPI Dock Station Driver ACPI: \_SB_PCI0.IDE0.SCND.MSTR: found ejectable bay ACPI: \_SB_PCI0.IDE0.SCND.MSTR: Adding notify handler PM: Adding info for platform:bay.0 ACPI: Bay [\_SB_.PCI0.IDE0.SCND.MSTR] Added BUG: at lib/kref.c:32 kref_get() kref_get+0x34/0x3b kobject_get+0xf/0x13 get_bus+0xe/0x1d bus_add_driver+0x13/0x165 init_waitqueue_head+0x12/0x1e bay_init+0x57/0x79 find_bay+0x0/0x2c4 init+0x88/0x16d restore_nocheck+0x12/0x15 init+0x0/0x16d init+0x0/0x16d kernel_thread_helper+0x7/0x10 ========== BUG: at lib/kref.c:32 kref_get() kref_get+0x34/0x3b kobject_get+0xf/0x13 kobject_init+0x5d/0x70 kobject_set_name+0x5c/0x92 bus_add_driver+0x50/0x79 bay_init+0x57/0x79 find_bay+0x0/0x2c4 init+0x88/0x16d init+0x88/0x16d kernel_thread_helper+0x7/0x10 ========= -- Jiri Kosina