[mythtv-users] WakeOnAlarm still not working

[David Watkins]

On 13/12/2007, Peter Carlsson <maillist.peter at home.se> wrote:
> nospam312 <nospam312 at gmail.com> wrote:
>
> >> Maybe I wasn't clear enough in my explanation below but step 1-3
> >> works. Also, I have verified (as explained below) that step 4
> >> writes the content of /proc/acpi/alarm to the nvram but doesn't
> >> actually wake it up.
>
> > Are you using/executing the shutdown command anywhere?
>
> > If you are replace with just [sudo] poweroff (no parameters).  If I
> > follow the guides and use shutdown it does not work (it writes to
> > /proc/acpi/alarm correctly etc) but never starts up.  However if I use
> > the poweroff command instead of shutdown it works.
>
> > No idea why and it has had me perplexed for weeks since upgrading to
> > [Myth]Ubuntu 7.1 but this solution works for me and seems to have no
> > ill effects so far for the little time I have been running it.
>
> In my desperate attempt to solve this problem I am pretty sure I have
> tried shutdown with different parameters as well as poweroff.
>
> The other day I tried with a Ubuntu 7.10 LiveCD and it worked! I think
> the problem is that in my Debian Etch the kernel version is 2.6.18 and
> Ubuntu 7.10 had a newer kernel (2.6.22).

I've read that the recent Fedora kernels have completely changed the
way that ACPI wakeup works.  I thought that meant that the
/proc/acpi/alarm 'register'  had been removed - but maybe it just
doesn't work anymore?