Re: Acer TM 661 does not wake up from STR

[Mirko Werneke <mirko.werneke-hi6Y0CQ0nG0@public.gmane.org>]

Nate Lawson wrote:
> Mirko Werneke wrote:
> 
>> I compiled a minimal kernel (without usb/wlan drivers, etc.) with a 
>> little patch in wakeup.S.
>> I inserted after .code16 the line "lcall $0xffff,$0". This should - 
>> according to Stefan - immediatly call the BIOS reset code after the 
>> kernel gets control back from BIOS. But the situation did not change 
>> (no "automatic" reboot after resume). So we came to the conclusion, 
>> that the kernel does not get the control back when the system wakes up.
>> So i think that there is a problem with the BIOS or the kernel does 
>> something wrong while suspending.
> 
> 
> So the BIOS is not calling the wake vector.

But why? Because i don't know very much about acpi and there is no error 
message i simply don't know where to start to solve the problem.

> I've been wondering about 
> several deviations from the spec in the sleep path (hwsleep.c).
> 
> I think _GTS should be run immediately before writing the sleep value in 
> EnterSleepState (not Prep). [...]
> I'm suspicious of writing the SLP_TYP and SLP_EN on separate passes. The 
> sample code in the spec (7.3.4) writes this in one pass.

Do you think that this deviations are responsible for the problems i 
encounter? My laptop does not have a _GTS method and writing SLP_TYP and 
SLP_EN in one pass does not make any difference.

best wishes
Mirko


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