Public bug reported:

I have a Fujitsu T4220 and in both gutsy and hardy I am able to suspend
and resume fine the first time I attempt it, but after that It wont go
into suspend again until I reboot. The screen blanks and it looks like
it is going into suspend then resumes automatically.

I followed  the Debugging section in
https://wiki.ubuntu.com/UnderstandingSuspend and running
'/etc/acpi/sleep.sh force' as root gives the following error:

/etc/acpi/sleep.sh: line 39: echo: write error: Resource temporarily
unavailable

Line 39 is "echo -n $ACPI_SLEEP_MODE >/sys/power/state"

So, I checked out /sys/power/state

[EMAIL PROTECTED]:~# cat /sys/power/state 
mem disk

but running 'echo mem >/sys/power/state' give the above error again and
just freezes the computer for a few seconds.

 Also, running sleep.sh with /sys/power/pm_trace enabled doesnt give any
'hash matches' output in dmesg.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

-- 
suspend only works once
https://bugs.launchpad.net/bugs/206952
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