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

[Yu, Luming]

>
>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 
>suspend/resume
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