acpi C2/3 problems?
Anthony Maher
Anthony.Maher at uts.edu.au
Mon Mar 20 10:51:07 UTC 2006
Nate Lawson wrote:
>> Just to be sure, you're not claiming defaults/rc.conf on 6.x has the
>> setting for Cx to LOW. I never MFCd that and just double-checked now.
>>
>> You're saying that you had your own settings for that in rc.conf, and
>> that it stopped working correctly.
That is correct.
In /etc/rc.conf I had
###performance_cx_lowest="LOW"
###economy_cx_lowest="LOW"
which are now commented out as shown.
>> When did the regression occur exactly?
Cannot say exactly. Since its my laptop I dont keep full logs.
>From some root mails (from when I leave it on overnite) I see
>> FreeBSD 5.4-RELEASE #8: Fri Sep 16 09:50:58 EST 2005
>> FreeBSD 5.4-STABLE #0: Tue Oct 4 22:28:44 EST 2005
>> FreeBSD 5.4-STABLE #1: Sat Jan 14 10:37:35 EST 2006
>> FreeBSD 5.5-PRERELEASE #2: Thu Mar 2 20:45:25 EST 2006
>> FreeBSD 6.1-PRERELEASE #1: Fri Mar 3 07:04:00 EST 2006
root wheel 7331390 Mar 2 19:59 checkouts.cvs:RELENG_5
root wheel 8117041 Mar 2 22:05 checkouts.cvs:RELENG_6_0_0_RELEASE
I finally decided to upgrade on Thu Mar 2 so went to RELENG_5 as
intermediate step before going to 6-Release then to RELENG_6.
I did not notice anything stange on RELENG_5 or 6-release but I only ran
them briefly before upgrading to RELENG_6. And while machine was busy
doing buildworlds/rebuilding ports it appeared to be ok.
It was definitely ok on 5.4-STABLE.
>> Nothing has changed in the acpi code in that area for years so
>> I'm surprised if it broke for you between 5.4 and 6.1. I'm suspicious
>> that another device is remapping those IO ports or something. Could you
>> send the output of devinfo -r on the broken and non-broken versions (say
>> use a 5.4 livecd or something)?
Here is the diff between the two outputs (which also are attached):
diff 5.4/devinfo-r 6.1/devinfo-r
58,59c58,59
< acpi_cmbat0
< acpi_cmbat1
---
> battery0
> battery1
104a105,109
> ehci0
> I/O memory addresses:
> 0xffa80800-0xffa80bff
> usb4
> uhub4
111a117,126
> iwi0
> I/O memory addresses:
> 0xdfbff000-0xdfbfffff
> pcm0
> I/O ports:
> 0xec40-0xec7f
> 0xed00-0xedff
> I/O memory addresses:
> 0xdffffd00-0xdffffdff
> 0xdffffe00-0xdfffffff
133a149,150
> ad0
> subdisk0
136a154
> acd0
166a185,191
> pci_link0
> pci_link1
> pci_link2
> pci_link3
> pci_link4
> pci_link5
> pci_link6
thanks
--
tonym
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