Suspend not working after upgrade to 14.04

[Liam Proven]

On 22 June 2014 16:51, Adam Funk <a24061 at ducksburg.com> wrote:
> I upgraded my laptop to 14.04 & now suspend isn't working --- I log
> out & close the lid, & find it's run out of power later.  Testing with
> "sudo pm-suspend" (while logged in), I find that it starts to suspend,
> then comes back up, leaving the following in the syslog:
>
> Jun 22 15:35:39 gonzo kernel: [ 1503.932446] PM: Syncing filesystems ... done.
> Jun 22 15:35:39 gonzo kernel: [ 1503.995316] PM: Preparing system for mem sleep
> Jun 22 15:35:44 gonzo kernel: [ 1504.819644] PM: Entering mem sleep
> Jun 22 15:35:44 gonzo kernel: [ 1506.898757] PM: Device 0000:01:00.0 failed to suspend async: error -16
> Jun 22 15:35:44 gonzo kernel: [ 1506.898814] PM: Some devices failed to suspend, or early wake event detected
> Jun 22 15:35:44 gonzo kernel: [ 1509.459217] PM: resume of devices complete after 2560.147 msecs
> Jun 22 15:35:44 gonzo kernel: [ 1509.471411] PM: Finishing wakeup.
>
>
> The output of "sudo lspci" includes the following line:
>
> 01:00.0 VGA compatible controller: NVIDIA Corporation GT218M [GeForce 310M] (rev a2)
>
> Is that the same as the "0000:01:00.0" in the syslog error?  Any
> suggestions for debugging & fixing this?  (No hardware has been
> changed, & suspend worked fine in 13.10.  I've tried "sudo aptitude
> reinstall pm-utils" and "sudo dpkg-reconfigure pm-utils".)

Do you have the proprietary nVidia drivers installed?

If so, are they the latest version?

If they aren't, can you disable them and try with the FOSS nouveau
drivers & report back?

If that works, then try the latest nVidia drivers.


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