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SubjectRe: fc6 kernel 2.6.18-1.2798 breaks acpi on HP laptop n5430
Dave Jones wrote:

>On Wed, Nov 01, 2006 at 04:17:50PM -0500, Stephen Clark wrote:
>
> > BIOS-provided physical RAM map:
> > BIOS-e820: 0000000000000000 - 000000000009f000 (usable)
> > BIOS-e820: 000000000009f000 - 0000000000100000 (reserved)
> > BIOS-e820: 0000000000100000 - 000000001fff0000 (usable)
> > BIOS-e820: 000000001fff0000 - 000000001ffff000 (ACPI data)
> > BIOS-e820: 000000001ffff000 - 0000000020000000 (ACPI NVS)
> > BIOS-e820: 00000000fff80000 - 0000000100000000 (reserved)
> > 0MB HIGHMEM available.
> > 511MB LOWMEM available.
> > Using x86 segment limits to approximate NX protection
> > DMI 2.2 present.
> > Using APIC driver default
> > ACPI: PM-Timer IO Port: 0x8008
> > Allocating PCI resources starting at 30000000 (gap: 20000000:dff80000)
> > Detected 850.075 MHz processor.
> > Built 1 zonelists. Total pages: 131056
> > Kernel command line: ro root=/dev/VolGroup00/LogVol00 lapic nousb
> > console=ttyS0,38400
> > Local APIC disabled by BIOS -- reenabling.
> > Found and enabled local APIC!
>
>Does it make a difference if you boot with nolapic ?
>
> Dave
>
>
>
Hi Dave,

booting without lapic allowed it to boot but now I get
...
Local APIC disabled by BIOS -- you can enable it with "lapic"
...
Local APIC not detected. Using dummy APIC emulation.
which means more processor overhead - right?

also cpuspeed doesn't work anymore - I don't have a cpufreq dir

I don't get the following messages with kernel 2798
powernow: PowerNOW! Technology present. Can scale: frequency and voltage.
Nov 1 19:33:34 joker4 kernel: powernow: SGTC: 10000
Nov 1 19:33:34 joker4 kernel: powernow: Minimum speed 300 MHz. Maximum
speed 850 M
Hz.
Nov 1 19:33:34 joker4 kernel: powernow-k8: Processor cpuid 670 not
supported

Steve



--

"They that give up essential liberty to obtain temporary safety,
deserve neither liberty nor safety." (Ben Franklin)

"The course of history shows that as a government grows, liberty
decreases." (Thomas Jefferson)



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