http://bugzilla.kernel.org/show_bug.cgi?id=12873
------- Comment #15 from yakui.z...@intel.com 2009-03-17 23:43 -------
Hi, Kenney
As it can't be booted normally when using the 2.6.25 kernel, we can't know
whether the following message is also complained:
>irq 9: nobody cared (try booting with the "irqpoll" option)
On the latest kernel there is no such complain if the boot option of
"acpi_sci=high" is added.
As there is no ACPI sci interrupt override in APIC table, the default
configuration will be used for ACPI SCI interrupt.(Interrupt Pin: 9; Mode: low,
level). But from the test it seems that the correct mode for ACPI SCI should be
high/level. So in such case the following will be complained and the ACPI sci
irq will be disabled.
>irq 9: nobody cared (try booting with the "irqpoll" option)
At the same time from the dmesg we know that there exists the following
message:
>ACPI: EC: driver started in poll mode
In such case the EC will work in polling mode while doing EC transaction. If
there is no EC GPE interrupt, maybe the hotkey notification event can't be
triggered.
Will you please attach the ouput of acpidump?
Thanks.
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