* ACPI P-States vs Longhaul
@ 2006-11-20 19:37 Rafał Bilski
2006-11-20 19:59 ` Dave Jones
0 siblings, 1 reply; 2+ messages in thread
From: Rafał Bilski @ 2006-11-20 19:37 UTC (permalink / raw)
To: Dave Jones; +Cc: cpufreq
Hello,
I know that a lot has changed since 2.6.18 in "ACPI P-States"
driver, but I wasn't paing attention. Just in case if this
issue isn't known. Reported by user.
System: VIA Epia SP13000 (VIA C3-2 "Nehemiah" 6.9.8)
Kernel: 2.6.18.2 custom config, apci-cpufreq=m, longhaul=m
Issue:
"ACPI P-States driver" is loaded (by distro) and stays loaded.
When user try to load "Longhaul" CPU is already owned by other
driver and "Longhaul" fails with -EBUSY. Of course rmmod does
the trick. But why acpi-cpufreq didn't failed? This processor
don't support P-states.
Sadly "Longhaul" don't work too. No ACPI C3 support in BIOS
and CN400 chipset on mainboard.
Regards
Rafa³
----------------------------------------------------------------------
PS. >>> http://link.interia.pl/f19a6
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: ACPI P-States vs Longhaul
2006-11-20 19:37 ACPI P-States vs Longhaul Rafał Bilski
@ 2006-11-20 19:59 ` Dave Jones
0 siblings, 0 replies; 2+ messages in thread
From: Dave Jones @ 2006-11-20 19:59 UTC (permalink / raw)
To: Rafał Bilski; +Cc: cpufreq
On Mon, Nov 20, 2006 at 08:37:25PM +0100, Rafał Bilski wrote:
> Hello,
>
> I know that a lot has changed since 2.6.18 in "ACPI P-States"
> driver, but I wasn't paing attention. Just in case if this
> issue isn't known. Reported by user.
> System: VIA Epia SP13000 (VIA C3-2 "Nehemiah" 6.9.8)
> Kernel: 2.6.18.2 custom config, apci-cpufreq=m, longhaul=m
> Issue:
> "ACPI P-States driver" is loaded (by distro) and stays loaded.
> When user try to load "Longhaul" CPU is already owned by other
> driver and "Longhaul" fails with -EBUSY. Of course rmmod does
> the trick. But why acpi-cpufreq didn't failed? This processor
> don't support P-states.
> Sadly "Longhaul" don't work too. No ACPI C3 support in BIOS
> and CN400 chipset on mainboard.
Probably due to the 'sticky' bug that was fixed in 2.6.18.3
Dave
--
http://www.codemonkey.org.uk
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