http://bugzilla.kernel.org/show_bug.cgi?id=13508
Summary: ACPI I/O resource conflict between piix4_smbus and
ACPI region SOR1
Product: ACPI
Version: 2.5
Kernel Version: 2.6.29-gentoo-r5 and many other flavors
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: EC
AssignedTo: [email protected]
ReportedBy: [email protected]
Regression: No
Resource conflict reported during boot recorded in dmesg:
ACPI: I/O resource piix4_smbus [0xb00-0xb07] conflicts with ACPI region SOR1
[0xb00-0xb0f]
followed by:
ACPI: Device needs an ACPI driver
piix4_smbus 0000:00:14.0: SMBus Host Controller at 0xb00, revision 0
Repeatable: always
There is no known adverse affect. Entire string when searched in Google
returns 479 hits with widely varying motherboards (Biostar, Asus, Gigabyte) all
using AMD chipsets, notably RS770 and RS780 host bridge and SB600/700 USB
controllers.
Unresolved smbus resource conflict also reported in MS Windows with similar
chipsets.
It appears this is may be a chipset bug.
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