AMD64 CPU and ACPI (was Re: Configuration of Compaq R3000)

[Richard Schilling]

I just installed 5.4 on a HP Media Center PC (AMD64) and it won't boot 
with ACPI enabled - the screen goes blank and vertical lines are drawn 
on it.  Works fine, though with ACPI disabled.

Richard Schilling

Michael W. Oliver wrote:
> On 2005-01-27T12:42:58-0800, Nate Lawson wrote:
> 
>>Michael W. Oliver wrote:
> 
> 
>>I've been working on a cpufreq driver for about 6 months now.  Work 
>>unfortunately has made progress too slow.  I have taken a vacation day 
>>to work on FreeBSD and plan to import a stripped down version (no 
>>throttling support) very soon.
> 
> 
> As always, your support is much appreciated Nate.  You do fine work.
> 
> 
>>The driver is a general cpufreq framework and two hardware drivers, one 
>>for SpeedStep ICH and one for ACPI Px states (like acpi_ppc but a 
>>separate implementation).  Other drivers, like SpeedStep Centrino and 
>>Powernow, can easily be hooked into the framework by their maintainers 
>>and imported into the general tree.  I've wanted to keep them as ports 
>>for now so that I could prototype the framework before importing it. 
>>That way we wouldn't have to restructure millions of cpu hardware 
>>drivers after the fact.
> 
> 
>>The short answer is that a similar capability should be imported soon.
> 
> 
> Excellent!
> 
> 
>>>I do see some ACPI errors on my laptop when I boot it up, such as:
> 
> 
>>>(dmesg -a | grep -i acpi):
>>>acpi_cmbat0: battery initialization start
>>>acpi_acad0: acline initialization start
>>>acpi_tz0: _CRT value is absurd, ignored (154.8C)
>>>acpi_acad0: On Line
>>>acpi_acad0: acline initialization done, tried 1 times
>>>acpi_ec0: info: new max delay is 70 us
>>>acpi_ec0: info: new max delay is 100 us
>>>acpi_cmbat0: battery initialization failed, giving up   <-- ugh!
>>>acpi_ec0: info: new max delay is 130 us
>>>acpi_ec0: info: new max delay is 170 us
>>>acpi_tz0: _CRT value is absurd, ignored (154.8C)
>>>acpi_tz0: _CRT value is absurd, ignored (154.8C)
>>>acpi_ec0: info: new max delay is 900 us
>>>acpi_ec0: info: new max delay is 11000 us
>>>acpi_tz0: _CRT value is absurd, ignored (154.8C)
>>>acpi_tz0: _CRT value is absurd, ignored (154.8C)
> 
> 
>>This all indicates your embedded controller is not responding.  It's 
>>important to figure out why.  Can you post a link to your full dmesg too?
> 
> 
> You betcha.
> 
> http://michael.gargantuan.com/sager_4750v/dmesg.txt
> http://michael.gargantuan.com/sager_4750v/usbdevs.txt
> http://michael.gargantuan.com/sager_4750v/pciconf.txt
> 
> Almost everything on this laptop works with FreeBSD.  In fact, I have
> more hardware support with 64bit FreeBSD than I do with 64bit Windows!
> 
> 
>>>acpidump stuff is here:
>>>http://michael.gargantuan.com/sager_4750v/acpidump.asl
>>>http://michael.gargantuan.com/sager_4750v/dsdt.out
>>>http://michael.gargantuan.com/sager_4750v/sysctl_hw.acpi
> 
> 
>>Thanks, I'll eventually take a look at this but hopefully you understand 
>>that I've set aside bugfixing for a short while to complete longer term 
>>projects.
> 
> 
> Totally understandable Nate, take your time.  I am not going anywhere ;)
>