RE: 2.6.16-rc5: known regressions [TP 600X S3, vanilla DSDT]

From: Yu, Luming
Date: Sat Mar 18 2006 - 10:56:26 EST



>> Please try additional ugly hack
>> 5. in acpi_os_queue_for_execution:
>> if(acpi_in_suspend == YES)
>> do nothing.
>
>Am compiling it. If acpi_in_suspend, I've had it do
>return_ACPI_STATUS(AE_BAD_PARAMETER). Is there a better error code to
>use? I didn't want to use AE_OK, since the caller might think that
>the function will be executed eventually, and might do something silly
>like wait for it to be executed -- and produce another hang. I didn't
>know, but to be safe I wanted to return an error code.

just return AE_OK, because we are hacking. :-)
The only place that could have issue is in acpi_ev_global_lock_handler,
you can add a printk there, then you can know what happened.

>
>> Also, please add acpi_debug_layer=0x10 acpi_debug_leve=0x10 boot
>> option, then you can observe what methods were executed before
>> suspend.
>
>That's in my lilo.conf so all kernels I test use those options. I can
>send you the dmesgs from the suspends without the ugly hack (and will
>send them from the upcoming suspends, with the ugly hack).

Thanks, I'm waiting for that to understand if the hack is clean for
killing unwanted AML methods call.
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