https://bugzilla.kernel.org/show_bug.cgi?id=35392
Summary: ACPI Firmware Bug in Asus K52JT
Product: ACPI
Version: 2.5
Kernel Version: 2.6.37
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: low
Priority: P1
Component: BIOS
AssignedTo: [email protected]
ReportedBy: [email protected]
Regression: No
Hi,
First of all i need to apologize for the summary not being clear, but i'm
fairly new to ACPI problem and i can't say what is the root of this one
(probably a buggy BIOS, so i make only one post with all my bug as i think
they're all related).
I encounter the following bug in a fresh install of gentoo Linux with the
2.6.37 linux kernel vanilla source and after googling around, i can't find
anywhere a real explanation of this problem and if i can fix it.
The first warning is :
[ 0.000000] ACPI Warning: 32/64 FACS address mismatch in FADT - two FACS
tables! (20101013/tbfadt-369)
[ 0.000000] ACPI Warning: 32/64X FACS address mismatch in FADT -
0xBEDB7F40/0x00000000BEDD1D40, using 32 (20101013/tbfadt-486)
and some line after
[ 0.471714] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query honored via cmdline
This line was originally :
[Firmware Bug] ACPI: BIOS _OSI(Linux) query ignored
and was replace by the new one after i set acpi_osi=Linux at the kernel command
line.
And just after this firware bug stuff :
[ 0.547508] ACPI Exception: AE_NOT_FOUND, Evaluating _PRW
(20101013/scan-723)
I don't know if this is related but my fan doesn't work as expected (35°C at
boot and 65°C after 1 hour of idle)
I attach my dmesg log, all of my /sys/firmware/acpi/tables, my kernel .config
file, and the result of lspci -vvv.
Please let me know if you need more information. I'm not understanding well
what happen but i have time to debug, test everything you want to solve this
problem and to learn
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