Re: ACPI on HP NC4400

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

On Tue, Jan 22, 2008 at 03:20:03AM +0200, Jukka Ruohonen wrote:
> So without pcppi, the suspend works but does not resume: the screen does not 
> come 
> back. The suggested command for testing, 'vbetool post', does not help. Nor 
> does 
> 'sysctl -w machdep.acpi_vbios_reset=0'. The only option is to power off the 
> laptop due apparent hang. States one and two did not result anything.

Does the keyboard LED work?

> The interesting thing is that the screen goes blank and does not resume even 
> if I 
> simply close the lid. In this case 'vbetool post' brings the screen back. 
> Normal 
> 'vbetool dpms on/off' works as expected. (No X involved.)

It is not suspending in that case, just switching off the screen and
expecting the OS to cope with that.

> Secondly, and perhaps more importantly for production use, the system does 
> not seem 
> to generate any ACPI events, hence rendering powerd more or less useless. The 
> 'envstat -d acpiacad0' results still 'ON' when AC is plugged off. But when 
> booted 
> with batteries, envstat does report 'OFF' for acpiacad. The values for 
> batteries 
> seem to be correct.

First of all, can you apply the patch for the mutex error I send to
current-users a bit ago? Secondly, is interrupt 9 listed in the vmstat
-i output?

Joerg