http://bugzilla.kernel.org/show_bug.cgi?id=11516





------- Comment #56 from [EMAIL PROTECTED]  2008-10-16 03:32 -------
Jason, thanks for the lspci output.
It shows that timer interrupt is routed to INT0 of IOAPIC.
Thus the propagated override for IRQ0 on your Laptop is bogus.

(1) My patch from comment #52 should address and fix that problem.
Without the need to add every now and then new Laptop models to the DMI
list you are referring to. 

(2) All dmi-quirks dmi_ignore_irq0_timer_override should be removed (IMHO).
I'll post a patch for this asap.

(3) The usb-problem is another thing -- to open a new bugzilla is the right
thing to do.

Maybe you should have a look at bug #11715 -- symptoms are very similar.

It just seems to be a slightly different laptop model than yours. This best
explains why a DMI based quirk sucks to solve this problem.

If you like to test my patch you should comment out the dmi quirk for
"HP 6715b laptop" in arch/x86/acpi/boot.c


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