http://bugzilla.kernel.org/show_bug.cgi?id=6111
------- Additional Comments From [EMAIL PROTECTED] 2006-02-27 03:16 -------
Yes it is, but I don't know which kernel was the first defunct. Till 2.6.16-rc2
I was able to apply some patches, that I found (from you from bugzilla) and it
was OK, but since 2.6.15 times, as Piotr Keplicz wrote, there is no way.
Relevant kernel versions could be found in the first post in bug 4150.
More deeper. When wait_event_timeout in ec_intr_wait (ec.c) is running,
interrupt comes, but acpi_ec_read_status ever returns 0xff, so ACPI_EC_FLAG_IBF
flag is set and it's error, because (acpi_ec_gpe_intr_handler)
case ACPI_EC_EVENT_IBE:
if ((value & ACPI_EC_FLAG_IBF))
break; <----- here
ec->intr.expect_event = 0;
wake_up(&ec->intr.wait);
And we never wakes the queue and set expect_event to satisfy wait_event_timeout.
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