From: Andrew Morton <akpm@linux-foundation.org>
To: Martin Pirker <lkml.collector@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>, linux-acpi@vger.kernel.org
Subject: Re: ACPI stuck for 45s at boot
Date: Thu, 2 Sep 2010 11:09:19 -0700 [thread overview]
Message-ID: <20100902110919.a247d287.akpm@linux-foundation.org> (raw)
In-Reply-To: <AANLkTimSKenWEDkMZ-MAHGWMyGvq9+MGXtNqHAZHM_oE@mail.gmail.com>
(cc linux-acpi)
Probably raising a report against acpi at bugzilla.kernel.org would be
the best way to handle this, please. The ACPI guys use bugzilla very
well.
On Mon, 23 Aug 2010 15:42:25 +0200 Martin Pirker <lkml.collector@gmail.com> wrote:
> 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
> --
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prev parent reply other threads:[~2010-09-02 18:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-23 13:42 Martin Pirker
2010-09-02 18:09 ` Andrew Morton [this message]
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