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

From: Sanjoy Mahajan
Date: Sat Mar 18 2006 - 12:02:31 EST

>> PM: Preparing system for mem sleep
>> Stopping tasks:
>> =======================================================|

> Did you see any methods before and after this line in hang case on
> screen? If yes, do you recall what they are?

I capture across a serial console, so here are the exact msgs (I just
ran the second sleep and got the usual hang). This is with vanilla
2.6.16-rc5 (and vanilla DSDT):

Stopping tasks: =========================================================|
Execute Method: [\_SB_.LID0._PSW] (Node c1564808)
Execute Method: [\_SB_.SLPB._PSW] (Node c1564708)
Execute Method: [\_S3_] (Node c157a988)
Execute Method: [\_PTS] (Node c157ab48)

The screen itself is full of garbage because the first sleep/wake messes
up the console. Along with a giant white square that fills most of the
screen, I see a fuzzy, dotted version of the above messages, plus one
more line "ACPI" and then a flashing underscore cursor after that. I
don't know if it was trying to printk "ACPI" but then the rest of the
message got lost, or it hung before printing it, or whether the ACPI is
from a previous dmesg (i.e. the first sleep/wake) that didn't get
cleared properly.

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