http://bugzilla.kernel.org/show_bug.cgi?id=13038
Summary: APIC IRQ on Asus M3N WS
Product: ACPI
Version: 2.5
Kernel Version: 2.6.25 - 2.6.29
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: BIOS
AssignedTo: acpi_b...@kernel-bugs.osdl.org
ReportedBy: albe...@guerreroygonzalez.es
Regression: No
Excuse my english, it's poor. Can I write spanish?
I have an Asus M3N WS motherboard (BIOS v.0501), with a OpenSuSE Linux 11.0
x86_64. Since I installed it I have been having some USB hungs (USB keyboard
and mice). I noticed the fail occurs when there is a IRQ share between USB OHCI
controller and other device, such integrated video card (I could see it un
/proc/interrupts). This shares are ¿dynamical?, becouse I verified some times I
reboot IRQ shares changes.
I had to unplug all usb device except mouse and keyboard in order to minimize
fail search variables and to improve system stability.
I tried to change some devices interrupt mode to MSI, so these devices did no
have fails any more (such Intel HDA). But I could't enable MSI mode on
integrated video card (system hungs).
If I pass 'noapic' paramenter to Kernel at boot, the system become stable at
most times. But with 'noapic' I lost IRQ balance and others funtions for
multi-core processor.
I tried many kernels versions since 2.6.25 to 2.6.29, SuSE compiled and
original 'vanilla' compiled by me, and I twice upgraded motherboard BIOS...
Nothing to do.
I think the ACPI BIOS is broken, because compilation of DST using intel AML
compiler reports several warnings and errors.
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