http://bugzilla.kernel.org/show_bug.cgi?id=10719
Summary: ICH9 boot failure, usb causing interrupts during
calibration
Product: ACPI
Version: 2.5
KernelVersion: 2.6.25
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Config-Interrupts
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
My ICHR9 based mobo won't boot with legacy usb keyboard turned on (which I
quite fancy for using grub)
I did some googling and testing and came upon a solution, but I have no idea
how to implement a quirk like this.
LEGACY_USB_EN needs to be disabled during calibration or the wrong result is
returned.
Similar patch:
http://launchpadlibrarian.net/5909289/delay-loop-calibration.patch
Documentation:
http://www.intel.com/design/chipsets/datashts/316972.htm
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