Re: Laptop recommendation

[Florian Reitmeir]

Hi,

APIC is a feature, a new one to support better IRQ handling on the mainboard.
Normally its a Chip included in the chipset. Sadly some/most BIOS vendors do not
support APIC, so sometimes when Linux uses APIC it ends in strange/unstable 
behavior.

Just try to boot your kernel with the option "noapic", if it helps you
are lucky.

> [EMAIL PROTECTED]:~$ cat /proc/interrupts
>CPU0
>   0:3372720IO-APIC-edge  timer
>   1:  11233IO-APIC-edge  i8042
>   8:  0IO-APIC-edge  rtc
>   9:   5574   IO-APIC-level  acpi
>  11:  3   IO-APIC-level  ohci1394
>  12: 924022IO-APIC-edge  i8042
>  14: 12IO-APIC-edge  ide0
>  50: 537756   IO-APIC-level  ndiswrapper
> 209:  4   IO-APIC-level  ehci_hcd:usb1
> 217: 175146   IO-APIC-level  ohci_hcd:usb2
> 225:  46850   IO-APIC-level  libata
> 233:149   IO-APIC-level  HDA Intel
> NMI:   1356
> LOC:3280198
> ERR:  0
> MIS:  0
> 
> Does this mean that my board has APIC?  Should I still try noapic?

in the first cols, are number beyond 15, so APIC is enabled.


-- 
Florian Reitmeir


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Re: laptop with Debian installed

[Jörg-Volker Peetz]

Mark Hansen wrote:
> Does any company offer a laptop with Debian preinstalled?  I'm looking
> for 4GB RAM.  Thanks,  Mark
> 
> 
See this older thread of this group:

http://groups.google.com/group/linux.debian.laptop/browse_thread/thread/67496e6d2e0c2edc/90dd1acca7816d21#90dd1acca7816d21

Regards,
Jörg-Volker.


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Re: Changing cpufreq

[Jochen Schulz]

Lars Staun Knudsen:
> 
> I'm running Etch on my Asus M6Ne (1.6 GHZ) with a custom 2.6.18.1
> kernel. When i'm running on AC the cpufreq is changing all time from
> 1,6 GHz (100%) to 1,2 GHz (75%). And as soon as i run on DC the
> frequency is constant 1,6 GHZ.
> The strange thing is that in my default cpufreq.conf 75% or 1,2GHz
> isn't mentioned. So what makes the freq jump?

Probably one of the governors "ondemand" and "conservative". Which
governors do you have installed? How does your cpufreqd.conf look like?


J.
-- 
I think the environment will be okay.
[Agree]   [Disagree]
 


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Re: Changing cpufreq

[Lars Staun Knudsen]

Jochen Schulz wrote:
> Probably one of the governors "ondemand" and "conservative". Which
> governors do you have installed? How does your cpufreqd.conf look like?

The default should be performance.
# CPU Frequency scaling

CONFIG_CPU_FREQ=y
CONFIG_CPU_FREQ_TABLE=y
# CONFIG_CPU_FREQ_DEBUG is not set
CONFIG_CPU_FREQ_STAT=y
# CONFIG_CPU_FREQ_STAT_DETAILS is not set
CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
CONFIG_CPU_FREQ_GOV_POWERSAVE=y
CONFIG_CPU_FREQ_GOV_USERSPACE=y
# CONFIG_CPU_FREQ_GOV_ONDEMAND is not set
# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set

The cpufreq.conf is untouched, only defaults setting. But i
copy/paste it anyway, in case you don't have it. PLease notice that
75% isn't the conf-file.

Best Regards.

/Lars Staun Knudsen



# see CPUFREQD.CONF(5) manpage for a complete reference

[General]
pidfile=/var/run/cpufreqd.pid
poll_interval=2
verbosity=4
#enable_remote=1
#remote_group=root
[/General]

[Profile]
name=On Demand High
minfreq=40%
maxfreq=100%
policy=ondemand
[/Profile]

[Profile]
name=On Demand Low
minfreq=20%
maxfreq=80%
policy=ondemand
[/Profile]

[Profile]
name=Performance High
minfreq=100%
maxfreq=100%
policy=performance
#exec_post=echo 8 > /proc/acpi/sony/brightness
[/Profile]

[Profile]
name=Performance Low
minfreq=80%
maxfreq=80%
policy=performance
[/Profile]

[Profile]
name=Powersave High
minfreq=70%
maxfreq=70%
policy=powersave
[/Profile]

[Profile]
name=Powersave Low
minfreq=30%
maxfreq=30%
policy=powersave
[/Profile]

# Basic states
##
# when AC use performance mode
[Rule]
name=AC Rule
ac=on# (on/off)
profile=Performance High
[/Rule]

# conservative mode when not AC
[Rule]
name=AC Off - Low Battery
ac=off   # (on/off)
battery_interval=0-30
#exec_post=echo 5 > /proc/acpi/sony/brightness
profile=Powersave Low
[/Rule]

# conservative mode when not AC
[Rule]
name=AC Off - Medium Battery
ac=off   # (on/off)
battery_interval=30-70
#exec_post=echo 5 > /proc/acpi/sony/brightness
profile=On Demand Low
[/Rule]


# stay in performance mode for the first minutes
[Rule]
name=AC Off - High Power
ac=off   # (on/off)
battery_interval=70-100
#exec_post=echo 5 > /proc/acpi/sony/brightness
profile=On Demand High
[/Rule]

##
# Special Rules
##
# CPU Too hot!
[Rule]
name=CPU Too Hot
acpi_temperature=55-100
cpu_interval=50-100
profile=Performance Low
[/Rule]

# use performance mode if I'm watching a movie
# I don't care for batteries!
# But don't heat too much.
[Rule]
name=Movie Watcher
programs=xine,mplayer,gmplayer
battery_interval=0-100
acpi_temperature=0-60
cpu_interval=0-100
profile=Performance High
[/Rule]

- END ---


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