http://bugzilla.kernel.org/show_bug.cgi?id=13053
--- Comment #1 from William Cattey <w...@mit.edu> 2009-04-09 23:31:21 ---
After posting this, I continued to investigate. I don't consider myself at all
clueful in the ways of the kernel, but I figured I should keep working and
learning.
I was surprised that a find/grep over the kernel source only turned up 3 files
that referenced acpi_skip_timer_override, that it was set in several places but
only tested in one, in acpi_parse_int_src_ovr();
As near as I can tell, the effect of setting the flag is to print:
BIOS IRQ0 pin2 override ignored.
and then to NOT execute:
mp_override_legacy_irq(intsrc->source_irq,
intsrc->inti_flags & ACPI_MADT_POLARITY_MASK,
(intsrc->inti_flags & ACPI_MADT_TRIGGER_MASK)
>> 2,
intsrc->global_irq);
----
Am I right in concluding that, after all these "overrides" and "legacies" are
parsed out of the conversation like many double negatives, that what's really
going on is that on my new hardware, I need to ENABLE a legacy IRQ that would
normally no longer expected to be needed?
In that case, are we indeed talking about a BIOS bug here?
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