Enabling ACPI on laptop

[O. Sinclair]

Dotan,
I will take the horrible risk of top-posting;
Klaptop is not really recommended any longer, I would use either the 
"shipped" Kpowerguidance or KPowersave. I suspect you might find that it 
works then.


Dotan Cohen wrote:
> On 16/05/07, O. Sinclair <o.sinclair at gmail.com> wrote:
>> Dotan Cohen wrote:
>>> In Fiesty on a Dell Inspiron E1505 / 6400 I cannopt suspend/resume. In
>>> Kcontrol it tells me that I must enable ACPI suspend/resume in the
>>> ACPI panel. But I cannot find such a panel. Where is it?
>>>
>> Somewhere in this excellent link on Ubuntuforums;
>> http://ubuntuforums.org/showthread.php?t=399913
>>
>> I found the answer, quoted below. It is a rather lengthy advice but once
>> that was done both suspend and hibernate is working. Knetworkmanager is
>> a bit "fidgety" afterwards but normally reconnects in the end. It should
>> be noted that I have an ATI graphics card on my Dell 6400
>> Good Luck, Sinclair
>>
>> ---------------------------
>> getting suspend to work
>> root edit /etc/default/acpi-support
>>
>> Code
>> # Comment the next line to disable ACPI suspend to RAM
>> ACPI_SLEEP=true
>>
>> # Comment the next line to disable suspend to disk
>> ACPI_HIBERNATE=true
>>
>> # Change the following to "standby" to use ACPI S1 sleep, rather than S3.
>> # This will save less power, but may work on more machines
>> ACPI_SLEEP_MODE=mem
>>
>> # Add modules to this list to have them removed before suspend and reloaded
>> # on resume. An example would be MODULES="em8300 yenta_socket"
>> #
>> # Note that network cards and USB controllers will automatically be
>> unloaded
>> # unless they're listed in MODULES_WHITELIST
>> MODULES=""
>>
>> # Add modules to this list to leave them in the kernel over suspend/resume
>> MODULES_WHITELIST="fglrx"
>>
>> # Should we save and restore state using the VESA BIOS Extensions?
>> SAVE_VBE_STATE=false
>>
>> # The file that we use to save the vbestate
>> VBESTATE=/var/lib/acpi-support/vbestate
>>
>> # Should we attempt to warm-boot the video hardware on resume?
>> POST_VIDEO=false
>>
>> # Save and restore video state?
>> # SAVE_VIDEO_PCI_STATE=true
>>
>> # Should we switch the screen off with DPMS on suspend?
>> USE_DPMS=true
>>
>> # Use Radeontool to switch the screen off? Seems to be needed on some
>> machines
>> # RADEON_LIGHT=true
>>
>> # Uncomment the next line to switch away from X and back again after resume.
>> # This is needed for some hardware, but should be unnecessary on most.
>> DOUBLE_CONSOLE_SWITCH=true
>>
>> # Set the following to "platform" if you want to use ACPI to shut down
>> # your machine on hibernation
>> HIBERNATE_MODE=shutdown
>>
>> # Comment this out to disable screen locking on resume
>> LOCK_SCREEN=true
>>
>> # Uncomment this line to have DMA disabled before suspend and reenabled
>> # afterwards
>> # DISABLE_DMA=true
>>
>> # Uncomment this line to attempt to reset the drive on resume. This seems
>> # to be needed for some Sonys
>> # RESET_DRIVE=true
>>
>> # Add services to this list to stop them before suspend and restart them in
>> # the resume process.
>> STOP_SERVICES="mysql "
>>
>> # Restart Infra Red services on resume - off by default as it crashes some
>> # machines
>> RESTART_IRDA=false
>>
>> # Switch to laptop-mode on battery power - off by default as it causes odd
>> # hangs on some machines
>> ENABLE_LAPTOP_MODE=false
>>
> 
> Thanks. The script did not help, but I did notice that full-screening
> the KLaptop dialog reveals two more tabs, one of which is the missing
> ACPI Config tab. There I was able to enable suspend, hibernate, and
> some other goodies (CPU throttling, for one.) Now, I can suspend and
> hibernate the laptop, but still not with the desired results:
> 
> Suspending: the laptop does not appear to do anything other than shut
> the screen down: the processor fan still spins, the wireless LEDS are
> still lit, and the power LED does not flash. In FC6, when going to
> suspend the processor fan stopped, the wireless LEDs went blank, and
> the power LED flashed. Also, the return from suspend is too immediate:
> a sure sign that it's not suspended.
> 
> Hibernate: has probkems, but I won't go into it as I'm not interested
> in Hibernate, only suspend.
> 
> Thanks.
> 
> Dotan Cohen
> 
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