Pressing POWER displays logout dialogue and then immediately shuts down

s/annying/annoying

which version of ubuntu are you using?

i can't reproduce on an upto date dapper.

dapper of course

not sure if esc was the problem, sometimems the system just shuts down instaed of showing the logout dialog when i press the powerbutton

do you always open that dialog by pressing the powerbutton? Does it happen if you use the panel or menu item instead?

I'm not sure how to describe this bug. But sometimes when i hit the powerbutton in gnome the logout dialog show s up, but then the system immedialtely shuts down. This is pretty annoying, can anybody reproduce this.

Btw: I don't think that pressig esc was the problem, I think pressing the powerbutton is it.

sry for 2 times adding the comment above. So far it only happend when pressing the powerbutton and yes I mostly just press the powerbutton to open that dialog.

probably not a gnome-session issue then, reassigning to gnome-power-manager

Seems more likely that it's an acpi-support issue since that's what would do the unconditional shutdown

No where does 'acpi-support' perform a shutdown... The only way would be a failed Hibernate, however that wouldn't draw pretty shutdown messages (Nils: do you see messages or 'usplash' pop up after you press escape?).

The dialogue is drawn by 'gnome-session' which then uses either 'gnome-power-manager' or 'gdm' to do its deeds, but they are only acting as middleware.

The keystroke is causing a UI issue. Is it something like 'escape' is causing the window to be destroyed, which is in-turn causing some assertion to fail.

Or more likely, 'escape' is being interpreted as 'ANY_KEY' and using the currently right-most button ("Shutdown") to be activated?

In powerbtn.sh it will do a shutdown if it can't find a policy daemon (Unless that has changed)

Reading this through carefully again:

  "the system [] shuts down [..] when i press the powerbutton"

and holding the power-button for 2 seconds on my ThinkPad did indeed shutdown:

  received event "button/power PWRF 00000080 00000001"
  executing action "/etc/acpi/powerbtn.sh"
  /etc/acpi/powerbtn.sh: line 9: [: 22545: unary operator expected
  ERROR: Couldn't attach to DCOP server!

This is because 'pidof' is being used like:

  if [ `pidof gnome-power-manager` ] ; then

instead of:

  if pidof gnome-power-manager > /dev/null ; then

In the former case, if there are two processes running (for whatever reason), then the unquoted result expands to:

  test 1234 2345

and induces the error above.

'powerbtn.sh' is *special* and lives in 'acpid'...