From: Robert Hancock <hancockrwd@gmail.com>
To: justinmattock@gmail.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: ACPI: I/O resource 0000:00:1f.3 [0xefa0-0xefbf] conflicts with ACPI region SMBI [0xefa0-0xefaf]
Date: Mon, 23 Mar 2009 23:43:06 -0600 [thread overview]
Message-ID: <49C872EA.4010304@gmail.com> (raw)
In-Reply-To: <alpine.LNX.2.00.0903230150110.2409@havk>
justinmattock@gmail.com wrote:
>
> Any suggestions on what this might be:
> (dmesg):
>
> [ 6.940280] power_supply ADP1: 1 dynamic props
> [ 6.940283] power_supply ADP1: prop ONLINE=1
> [ 6.940340] input: Sleep Button (CM) as
> /devices/LNXSYSTM:00/device:00/PNP0C0E:00/input/input5
> [ 6.968564] i801_smbus 0000:00:1f.3: PCI INT B -> GSI 19 (level, low)
> -> IRQ 19
> [ 6.977814] ACPI: I/O resource 0000:00:1f.3 [0xefa0-0xefbf] conflicts
> with ACPI region SMBI [0xefa0-0xefaf]
> [ 6.987218] ACPI: Device needs an ACPI driver
It means the i801_smbus driver is using an I/O resource range that BIOS
ACPI code may be using. The warning is there because in some cases this
can cause problems, i.e. if the native driver and ACPI AML code try to
access the device at the same time in a conflicting fashion.
> [ 7.000114] ath9k: 0.1
> [ 7.000163] ACPI: Sleep Button (CM) [SLPB]
> [ 7.018052] ath9k 0000:03:00.0: PCI INT A -> GSI 17 (level, low) ->
> IRQ 17
> [ 7.027094] ath9k 0000:03:00.0: setting latency timer to 64
>
> either i801_smbus(to me) is the issue, or it's something else.
>
> any ideas?
>
> -- Justin P. Mattock
prev parent reply other threads:[~2009-03-24 5:43 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-23 8:54 ACPI: I/O resource 0000:00:1f.3 [0xefa0-0xefbf] conflicts with ACPI region SMBI [0xefa0-0xefaf] justinmattock
2009-03-24 5:43 ` Robert Hancock [this message]
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