Gnome-settings-daemon CRTC configuration fix testing

Chase Douglas chase.douglas at
Tue Apr 6 17:31:38 BST 2010

On Tue, Apr 6, 2010 at 12:30 PM, Chase Douglas <chase.douglas at> wrote:
> Hello all,
> I've developed a fix for bug 484186 [1] that could use some testing
> given how close we are to the release. The gist of the issue is that
> gnome-settings-daemon is failing to set the display configuration
> after resume on some systems. This seems to occur on Intel graphics,
> like the pinetrail netbook I have been testing on. If you open the lid
> and start typing the screen should flicker once as the display
> configuration is set up (the fact this happens only after typing on
> the kb is another issue not resolved here). If you encounter this bug
> you will see a notification pop up saying:
> Could not switch the monitor configuration
> could not set the configuration for CRTC <some number>
> The fix I have proposed resolves the failing configuration call.
> However, given some other related issues it is not definite that
> allowing this call to occur at all is the best route. I have done some
> testing and found that my fix does improve behavior when suspending
> with a VGA cable connected and resuming with it disconnected. Without
> the fix, the internal LVDS screen on a laptop will fail to configure
> and the user would be required to ssh into the machine to reconfigure
> it. However, it would be helpful if more people could test this out to
> determine if there are any issues with the fix.
> If you are interested in the details of this issue, please see the bug
> report, which is also linked to the proposed patch through a bzr
> branch.
> Thanks!
> [1]

I forgot to mention that I have the fix built into a test package in
my ppa at ppa:chasedouglas/gnome-settings-daemon.

-- Chase

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