[ltp] Re: Strange automatic resume from supend to ram (APM)

Georg Sauthoff linux-thinkpad@linux-thinkpad.org
Sun, 24 Jul 2005 23:29:43 +0200


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On Sun, Jul 24, 2005 at 06:50:48PM +0200, Wolf Wiegand wrote:

Hi,

> Sorry, I cannot confirm this behaviour with my R40 and kernel 2.6.12.
> Suspending to RAM works fine (except for the high power drain). Maybe
> you can try my kernel configuration, which can be found here:
> http://www.kondancemilch.de/config-2.6.12-rc5

ok, I didn't test ACPI. I don't use ACPI because I am afraid of the
often reported high power drain ;). I really like the high possible
suspend times for traveling etc.
To get suspend-to-ram working with ACPI, I only have to install the
right kernel and the acpid and it should work?=20

And btw what about suspend-to-disk and ACPI?  The last time I tried
ACPI, the kernel had problems with some ACPI-table from the BIOS.

> Maybe some weird process is responsible for the wake up. Did you try to=
=20
> stop pretty much all processes (except for basic stuff like exim/acpid/
> syslog/cron) and the put the computer to sleep? Same problem?

Yes, I tried that. I.e. no X and fresh boot at the console.

At the moment I don't have the right idea how to debug this.

Regards
Georg Sauthoff

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