Can't resume ThinkPad from suspend

[Steven Rosenberg]

What worked for me was adding a line pointing to my swap space to the
GRUB bootline:

resume=/dev/path/to/swap

Find where your swap is with swapon:

$ swapon -s

I wrote this up here:
http://stevenrosenberg.net/blog/linux/fedora/2014_0118_suspend_resume_in_fedora_20
--
Steven Rosenberg
http://stevenrosenberg.net/blog
http://blogs.dailynews.com/click



On Mon, Jan 27, 2014 at 5:46 AM, Suvayu Ali <fatkasuvayu+linux at gmail.com> wrote:
> Hi,
>
> I have a new ThinkPad (x240) running 3.12.8-300.fc20.x86_64.  I can
> suspend it just fine, but I can't resume.  This is what I see in the
> journal:
>
> Jan 27 03:49:05 localhost systemd[1]: Starting Sleep.
> -- Subject: Unit sleep.target has begun with start-up
> -- Defined-By: systemd
> -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
> --
> -- Unit sleep.target has begun starting up.
> Jan 27 03:49:05 localhost systemd[1]: Reached target Sleep.
> -- Subject: Unit sleep.target has finished start-up
> -- Defined-By: systemd
> -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
> --
> -- Unit sleep.target has finished starting up.
> --
> -- The start-up result is done.
> Jan 27 03:49:05 localhost systemd[1]: Starting Suspend...
> -- Subject: Unit systemd-suspend.service has begun with start-up
> -- Defined-By: systemd
> -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
> --
> -- Unit systemd-suspend.service has begun starting up.
> Jan 27 03:49:05 localhost systemd[1]: Starting Network Manager Script Dispatcher Service...
> -- Subject: Unit NetworkManager-dispatcher.service has begun with start-up
> -- Defined-By: systemd
> -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
> --
> -- Unit NetworkManager-dispatcher.service has begun starting up.
> Jan 27 03:49:05 localhost dbus-daemon[574]: dbus[574]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher'
> Jan 27 03:49:05 localhost dbus[574]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher'
> Jan 27 03:49:05 localhost systemd-sleep[29852]: Suspending system...
> -- Subject: System sleep state suspend entered
> -- Defined-By: systemd
> -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
> --
> -- The system has now entered the suspend sleep state.
>
> After this, I can't see anything when I tried to wake up my laptop.  The
> next thing I see is when I had to force a reboot.
>
> -- Reboot --
> Jan 27 11:51:44 localhost systemd-journal[93]: Runtime journal is using 8.0M (max 383.8M, leaving 575.8M of free 3.7G, current limit 383.8M).
> Jan 27 11:51:44 localhost systemd-journal[93]: Runtime journal is using 8.0M (max 383.8M, leaving 575.8M of free 3.7G, current limit 383.8M).
> Jan 27 11:51:44 localhost kernel: Initializing cgroup subsys cpuset
> Jan 27 11:51:44 localhost kernel: Initializing cgroup subsys cpu
> Jan 27 11:51:44 localhost kernel: Initializing cgroup subsys cpuacct
>
> ... and so on.
>
> How do I debug this?  How can I get more information why the resume
> fails?  Thanks for any ideas.
>
> Cheers,
>
> --
> Suvayu
>
> Open source is the future. It sets us free.
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