From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin Pirker Subject: ACPI(?) stuck for 45s at boot Date: Mon, 30 Aug 2010 14:56:12 +0200 Message-ID: <4C7BAA6C.1090909@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail-fx0-f46.google.com ([209.85.161.46]:35081 "EHLO mail-fx0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752061Ab0H3MzZ (ORCPT ); Mon, 30 Aug 2010 08:55:25 -0400 Received: by fxm13 with SMTP id 13so3167640fxm.19 for ; Mon, 30 Aug 2010 05:55:23 -0700 (PDT) Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: "linux.acpi" [reposted from LKML as nobody responded there... :-/ ] Hi.. My kernel (2.6.35) gets stuck at boot, as dmesg documents: .... [ 0.006590] ACPI: Core revision 20100121 [ 45.278951] DMAR: Host address width 36 ... Setting acpi debugging to give-me-all-you-can produces ~120Mb dump. The interesting part appears to be: ..... [ 36.016976] Table [SSDT](id 0006) - 28 Objects with 0 Devices 21 Methods 0 Regions [ 36.017120] dsinit-0214 [ffffffff81a32020] [00] ds_initialize_objects : 21 Methods, 0 Regions [ 36.017292] nsload-0136 [ffffffff81a32020] [00] ns_load_table : **** Completed Table Method Parsing and Object Initialization [ 36.017477] utmutex-0247 [ffffffff81a32020] [00] ut_acquire_mutex : Thread ffffffff81a32020 attempting to acquire Mutex [ACPI_MTX_Tables] [ 36.017666] osl-0879 [ffffffff81a32020] [00] os_wait_semaphore : Waiting for semaphore[ffff88013341e120|1|65535] [ 36.017848] osl-0898 [ffffffff81a32020] [00] os_wait_semaphore : Acquired semaphore[ffff88013341e120|1|65535] utmutex-0255 [ffffffff81a32020] [00] ut_acquire_mutex : Thread ffffffff81a32020 acquired Mutex [ACPI_MTX_Tables] [ 36.018189] tbxface-0610 [ffffffff81a32020] [00] tb_load_namespace : ACPI Tables successfully acquired [ 36.018366] utmutex-0289 [ffffffff81a32020] [00] ut_release_mutex : Thread ffffffff81a32020 releasing Mutex [ACPI_MTX_Tables] [ 36.018552] osl-0918 [ffffffff81a32020] [00] os_signal_semaphore : Signaling semaphore[ffff88013341e120|1] [ 36.018733] utxface-0141 [ffffffff81a32020] [00] enable_subsystem : [Init] Going into ACPI mode [ 36.018912] hwvalid-0147 [ffffffff81a32020] [00] hw_validate_io_request: Address 0000000000001004 LastAddress 0000000000001005 Length 2 hwregs-0188 [ffffffff81a32020] [00] hw_read : Read: 00001C00 width 16 from 0000000000001004 (SystemIO) [ 36.019290] hwxface-0344 [ffffffff81a32020] [00] read_bit_register : BitReg E, ParentReg 3, Actual 00001C00, ReturnValue 00000000 [ 36.019477] hwvalid-0147 [ffffffff81a32020] [00] hw_validate_io_request: Address 0000000000001004 LastAddress 0000000000001005 Length 2 hwregs-0188 [ffffffff81a32020] [00] hw_read : Read: 00001C00 width 16 from 0000000000001004 (SystemIO) [ 36.019849] hwxface-0344 [ffffffff81a32020] [00] read_bit_register : BitReg E, ParentReg 3, Actual 00001C00, ReturnValue 00000000 [ 36.020036] hwvalid-0147 [ffffffff81a32020] [00] hw_validate_io_request: Address 00000000000000b2 LastAddress 00000000000000b2 Length 1 hwacpi-0101 [ffffffff81a32020] [00] hw_set_mode : Attempting to enable ACPI mode [ 81.259054] hwvalid-0147 [ffffffff81a32020] [00] hw_validate_io_request: Address 0000000000001004 LastAddress 0000000000001005 Length 2 hwregs-0188 [ffffffff81a32020] [00] hw_read : Read: 00001C01 width 16 from 0000000000001004 (SystemIO) [ 81.259418] hwxface-0344 [ffffffff81a32020] [00] read_bit_register : BitReg E, ParentReg 3, Actual 00001C01, ReturnValue 00000001 [ 81.259604] utmutex-0247 [ffffffff81a32020] [00] ut_acquire_mutex : Thread ffffffff81a32020 attempting to acquire Mutex [ACPI_MTX_Tables] [ 81.259794] osl-0879 [ffffffff81a32020] [00] os_wait_semaphore : Waiting for semaphore[ffff88013341e120|1|65535] [ 81.259976] osl-0898 [ffffffff81a32020] [00] os_wait_semaphore : Acquired semaphore[ffff88013341e120|1|65535] utmutex-0255 [ffffffff81a32020] [00] ut_acquire_mutex : Thread ffffffff81a32020 acquired Mutex [ACPI_MTX_Tables] [ 81.260336] utmutex-0289 [ffffffff81a32020] [00] ut_release_mutex : Thread ffffffff81a32020 releasing Mutex [ACPI_MTX_Tables] [ 81.260523] osl-0918 [ffffffff81a32020] [00] os_signal_semaphore : Signaling semaphore[ffff88013341e120|1] [ 81.260704] ftrace: converting mcount calls to 0f 1f 44 00 00 [ 81.260771] ftrace: allocating 21295 entries in 84 pages [ 81.268939] DMAR: Host address width 36 ..... So.... What is happening here and whose fault is it? Is it a Linux kernel or ACPI firmware problem? Thanks for any pointers, Martin