Error-5 Could not suspend Device 0000: 00: ld. 7

[boltmelots <boltmelots-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

Hi all:

I have just recently after much trouble installed acpi with kernel
2.6.7 running debian unstable.  The laptop is Dell inspiron 500m.

I am having trouble putting the thing on standby.  I try 

           'echo 1 > /proc/acpi/sleep'

but it produces the following message and just comes back to normal. 
Does anyone know what it means and how I can fix it.  I will
appreciate any suggestions I can try.

PM: Preparing system for suspend
Stopping tasks: =====================================================|
PCI: Setting latency timer of device 0000:00:1d.7 to 64
Could not suspend device 0000:00:1d.7: error -5
PCI: Enabling device 0000:00:1f.5 (0000 -> 0003)
i810_audio: Primary codec has ID 0
ac97_codec: AC97 Audio codec, id: 0x8384:0x7650 (Unknown)
PCI: Setting latency timer of device 0000:00:1f.6 to 64
e100: eth1: e100_watchdog: link up, 100Mbps, full-duplex
Restarting tasks... done
apm: BIOS not found

Thanks and Kind Regards,
--
Bolt.


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