[Nix-dev] Re: Suspend in KDE broken

[Yury G. Kudryashov]

Eelco Dolstra wrote:

> Hi,
> 
> On 05/20/2010 01:56 PM, Tony White wrote:
> 
>> http://hal.freedesktop.org/docs/PolicyKit/tools-fileformats.html
>> And it's called PolicyKit this week :)
>> http://www.freedesktop.org/wiki/Software/PolicyKit
>> polkit should go or be renamed. It is confusing.
> 
> Right :-)
No. Policykit is deprecated by upstream, as well as HAL. Polkit is new
flavour of policykit, and they are designed such that it should be possible
to install both of them. HAL should look at policykit. Next KDE release will
rely on polkit for many admin actions.
>> According to this thread :
>> 
http://forum.kde.org/viewtopic.php?f=66&t=18837&sid=201c14dea4d0e73f6e084170607986e3&start=10
>> 
>> It looks like two things are required :
>> The user account to be a member of the "power" User group (Because
>> that's what the hardware abstraction layer looks for.)
>> uswsusp (It's user land tools) Must be available in the user's
>> environment to interact with the kernel in order to make it suspend :
>> http://suspend.sourceforge.net/
>> (The nix KDE 4.x desktop expression should take uswsusp as a depend.)
> 
> I don't think that's the case for us.  HAL does the suspend on behalf of
> KDE by
> calling pm-suspend.  HAL asks PolicyKit whether the calling user is
> allowed to
> suspend, which is in turn determined by its policy files.  The policy
> should say
> that the "active" user (as determined by ConsoleKit) is allowed to
> suspend.  It did in the polkit configuration, but we probably lack the
> corresponding PolicyKit configuration.
> 
> (To be clear: suspend worked in KDE until a few days ago.)
I think that I have broken it. I will look at the problem tonight.