How to report/debug this power management problem?

Hi all,

I've got a little power management issue here, but I'm not sure whether
it's properly a GNOME bug at all and, if it is, which component I should
be reporting on. Any advice is appreciated.

My laptop (a Dell E1505) can suspend/resume properly. However, it does
not consistently suspend on lid close. As best as I can tell, the
problem occurs when the laptop was on AC power, then is unplugged, and
then has the lid closed. In this case, it doesn't appear to even try to
suspend. If I notice this, open the lid, and open up the Power
Management preference, I see that the "on battery power" tab no longer
exists. If I close the preference screen and reopen it again, the tab
reappears and the laptop will now suspend when the lid is closed.

I'm not sure what to make of the fact that battery power tab doesn't
appear in the power management screen. Is that a problem with G-P-M or
is it that HAL or something else further down is losing track of the
battery? Are there any particular places I should be looking for more
helpful information?


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Relevant Pages

  • [PATCH 18/47] updated Documentation/power/devices.txt
    ... Fixup some of the horribly ancient/obsolete description of device suspend() ... +Most of the code in Linux is device drivers, so most of the Linux power ... Most drivers will do very little; ... +power management goals, emphasizing the models and interfaces that are ...
  • Re: Kernel Oops when closing the lid on Alienware M11xR3 laptop
    ... Suspend works fine when I select it from the menu. ... then close the lid, it works correcty. ... If I press power button while in Gnome -> enter sleep ... If I do nothing and just close lid -> Kernel oops ...
  • Re: [linux-usb-devel] error to be returned while suspended
    ... I think Greg wants to wait until the old API is completely gone. ... if I have port level power control I might even ... closing the laptop's lid is a system suspend. ...
  • Re: netbook, close, suspend: ACPI?
    ... Go to System Settings> Hardware> Power Management, ... Management and there you will be able to set the action when the lid ...
  • Re: [linux-pm] [patch] pm: fix runtime powermanagements /sys interface
    ... some drivers will want to fix up those values so that it can ... the vast and often fundamentally different power ... power management states and capabilities is a sensible option. ... want to provide userspace control of these low-level details. ...