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

From: Yu, Luming
Date: Tue Mar 21 2006 - 20:32:23 EST

>Hmm, you seems to prefer depth-first search algorithm?
>I like it too. :-)
>>One bug is quite repeatable and we know a lot about it. With all zones
>>except THM0 commented out, the system hung. With the EC0.UPDT line in
>>THM0._TMP also commented out, the system didn't hang. So there's a
>>problem related to the EC, even with only THM0. And finding that
>>problem may giveideas for what else may be wrong.
>We can do bisection in EC0.UPDT to find out which statement cause hang?
>Hmm, we are going to fix BIOS. :-)

You can insert debug statements in EC0.UPDT to help debug:

Store (IGNR, Debug)
Store (" before relase I2CM", Debug)
Store (HBS7, TMP7)

>My assumption is that since Windows works well, then these BIOS code
>should have been tested ok. The only possible excuse for BIOS is that
>Linux is using unnecessary/untested code path for Suspend/resume.
>So, Eventually, we need to disable unnecessary BIOS call for
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