https://bugzilla.kernel.org/show_bug.cgi?id=79341
Bug ID: 79341
Summary: [macbookpro] Firmware bug PCI: Using host bridge
windows from ACPI
Product: ACPI
Version: 2.5
Kernel Version: 3.16.0-0.rc2.git1.1.fc21.x86_64
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: BIOS
Assignee: [email protected]
Reporter: [email protected]
Regression: No
MacbookPro 8,2 booted in EFI mode reports the following ACPI related bug and
warning messages:
[ 0.273602] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored
[ 2.320358] PCI: Using host bridge windows from ACPI; if necessary, use
"pci=nocrs" and report a bug
[ 13.214077] ACPI Warning: SystemIO range
0x000000000000efa0-0x000000000000efbf conflicts with OpRegion
0x000000000000efa0-0x000000000000efa
f (\_SB_.PCI0.SBUS.SMBI) (20140424/utaddress-258)
[ 13.215423] ACPI: If an ACPI driver is available for this device, you should
use it instead of the native driver
[ 13.299527] microcode: CPU0 sig=0x206a7, pf=0x10, revision=0x1a
Hardware has latest firmware update from Apple.
The main thing that concerns me is there are mcelog events due to high temps
with minimal workloads. So at the moment I have minimal confidence I should
even be running Linux on this hardware considering how hot it gets, how high
the fans run, and how much the kernel seems to complain.
[ 600.718678] rawhide.localdomain mcelog[939]: MCE 2
[ 600.719811] rawhide.localdomain mcelog[939]: CPU 6 THERMAL EVENT TSC
b7ea03e138
[ 600.720928] rawhide.localdomain mcelog[939]: TIME 1404182780 Mon Jun 30
22:46:20 2014
[ 600.722102] rawhide.localdomain mcelog[939]: Processor 6 below trip
temperature. Throttling disabled
[ 600.723250] rawhide.localdomain mcelog[939]: STATUS 88010282 MCGSTATUS 0
[ 600.724393] rawhide.localdomain mcelog[939]: MCGCAP c09 APICID 5 SOCKETID 0
[ 600.725410] rawhide.localdomain mcelog[939]: CPUID Vendor Intel Family 6
Model 42
[ 600.726418] rawhide.localdomain mcelog[939]: Hardware event. This is not a
software error.
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