apm does not suspend

[Andy Saxena <andyML@nyc.rr.com>]

Hi,

I am trying to cut down my electricity bills. I'd like to be able to
suspend my desktop when it detects no activity for 30 min.

I have the apmd package installed, but I get the message
# apm: suspend was vetoed

For example, overnight I will have a dozen of these messages on the
console.

Also, doing
# apm -s
gives

# apm: suspend was vetoed
# apm: device or resource busy

Here is the syslog entry:

=======================================================================

Sep  8 11:54:45 debian apmd[287]: apmd_call_proxy: Executing proxy: '/etc/apm/apmd_proxy' 'suspend' 'user'
Sep  8 11:54:46 debian apmd[287]: apmd_call_proxy: + Saving the System Clock time to the Hardware Clock... Hardware Clock updated to Sun Sep  8 11:54:46 EDT 2002. 
Sep  8 11:54:46 debian apmd[287]: User Suspend
Sep  8 11:54:46 debian apmd[287]: Suspend rejected by kernel driver; therefore, resuming
Sep  8 11:54:46 debian apmd[287]: apmd_call_proxy: Executing proxy: '/etc/apm/apmd_proxy' 'resume' 'suspend'
Sep  8 11:54:46 debian kernel: apm: suspend was vetoed.
Sep  8 11:54:48 debian anacron[12454]: Anacron 2.3 started on 2002-09-08
Sep  8 11:54:48 debian anacron[12454]: Normal exit (0 jobs run)
Sep  8 11:54:48 debian apmd[287]: apmd_call_proxy: +  Setting the System Clock using the Hardware Clock as reference... System Clock set. Local time: Sun Sep  8 11:54:48 EDT 2002  
=======================================================================

It's likely that not a lot of desktop users care to put their machine
into suspend, but I am still hoping some of the laptop users can shed
some light on this.

I have googled around, but haven't seen anything that explains this with
any satisfaction.

Thanks,
Andy