http://bugzilla.kernel.org/show_bug.cgi?id=6654
------- Comment #15 from [EMAIL PROTECTED] 2008-01-03 17:31 -------
Hi, Bjorn
Thank you for caring this problem.
From the log in comment #7 we can know that the interrupts of gameport
and ehci are routed to IRQ 11 through LNKC device in the default boot.
ACPI: PCI Interrupt 0000:00:10.4[C] -> Link [LNKC] -> GSI 11 (level,
low) -> IRQ 11
ehci_hcd 0000:00:10.4: EHCI Host Controller
ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11
ACPI: PCI Interrupt 0000:00:0c.0[A] -> Link [LNKC] -> GSI 11
(level, low) -> IRQ 11
Then OSPM will register the ISR of gameport and ehci on IRQ 11.
But unfortunately the _SRS setting of LNKC device has no effect(maybe
the real interrupt is hardrouted to IRQ5) and OSPM can't receive the interrpts
of ehci or gameport.
Although they are hardwired to IRQ5, we can't see a non-zero count for
IRQ5 in /proc/interrupts if no device registers the ISR on IRQ5.(In the
current kernel the IRQ interrupt will be disabled if no one registes the
ISR).
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