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Re: suspend to ram

On Sun, 01 Mar 2009 08:11:17 -0500
Andrew Malcolmson <andmalc@gmail.com> wrote:

> Celejar wrote:
> > I'm trying to get s2ram to work on my Acer Aspire 3690.  The machine is
> > in the whitelist:
> > 
> Take a look at the HAL Quirks site:
> http://people.freedesktop.org/~hughsient/quirk/index.html
> It has helped me get suspend & resume working on several laptops.

Thanks.  It looks like a useful resource, but after many reboots and
much frustration, I still can't figure out what's going on.

Following the suggestions from this page:


I built a kernel with POWER_TRACE enabled, but I don't get the sort of
output described there.  I only get one match for 'grep "hash
matches"', to somewhere in power/main.c, not resume.c, and no 'device'
matches.  Using this feature is extremely frustrating, since it
overwrites the rtc clock, which plays havoc with the fsck records.

I've done a lot of trial and error, and it seems that even with a full
system loaded, when it's brought up in single-user mode, it
suspends/resumes fine, but if I then hit CTRL-D to enter normal mode
and then suspend, resume will then fail.  The module list seems to be
more or less identical.  I've tried removing and blacklisting many
modules that I thought might be causing the problem, but I couldn't
find anything that seemed to make a difference.  I don't have infinite
time or patience for the sort of testing that requires repeated
reboots, so unless anyone has any more suggestions, I'll have to give
up once again.

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