http://bugzilla.kernel.org/show_bug.cgi?id=10224
------- Comment #12 from [EMAIL PROTECTED] 2008-03-13 18:26 -------
Thank for the info.
Now it is confirmed that the bug is caused by the ACPI interrupt flood. And
the GPE 0x1D is triggered at very high rate. (In fact there is a similar bug
9781)
On this desktop the GPE 0x1D is a wakeup GPE and shared by three device :
Sleep button, PS2K, PS2M. And GPE 0x1D will be configured as Run_Wake(Runtime
wakeup) gpe in button driver.
According to ACPI spec the wake events should not be intermixed with
non-wake (runtime) events on the same GPE input. In this desktop the wake
events are intermixed with the non-wake(runtime) events on the same 0x1D gpe
input. It is incorrect.
Thanks.
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