F20: system does not resume from hibernate

[Ranjan Maitra]

On Thu, 19 Dec 2013 14:51:33 +0100 Joachim Backes
<joachim.backes at rhrk.uni-kl.de> wrote:

> On 12/19/2013 02:47 PM, Ranjan Maitra wrote:
> > On Thu, 19 Dec 2013 10:13:59 +0100 Joachim Backes
> > <joachim.backes at rhrk.uni-kl.de> wrote:
> > 
> >> On 12/19/2013 09:39 AM, Chris Murphy wrote:
> >>>
> >>> On Dec 19, 2013, at 12:10 AM, Ranjan Maitra <maitra.mbox.ignored at inbox.com> wrote:
> >>>
> >>>> Hello,
> >>>>
> >>>> I have been putting my F20 laptop to hibernate using systemctl
> >>>> hibernate: everything works fine, except that starting up has usually
> >>>> ended up doing a reboot and going to the login screen.
> >>>
> >>> Make sure you have enough swap space. By default the installer may not create enough because it doesn't use the hibernation calculation, which is roughly 2x memory for a laptop with 4GB - 16GB of RAM.
> >>>
> >>>
> >>> Chris Murphy
> >>>
> >>
> >> My box (8 GB mem,  20Gb swap space) does  no resume after hibernating,
> >> but boots normally (https://bugzilla.redhat.com/show_bug.cgi?id=948177)
> >>
> >> Joachim Backes
> > 
> > Yes, I have enough swap (16 GB, 8 GB memory). I had no problems
> > with F19 or with systems upgraded from F19.
> > 
> > According to this bug report, I need to add
> > 
> > resume=<swapdevice>
> > 
> > to the grub line.
> > 
> > According to suomi, I need to add:
> > 
> > resume=UUID=ec23581a-b819-4f21-af67-87802223e983
> 
> You can also use "resume=/dev/sd<xy>" (your swap partition). That's more
> simple :-)

Absolutely, thanks!

But where do I find this value? I can't see it on my df:

Filesystem     Type      Size  Used Avail Use% Mounted on
/dev/root      ext4      9.5G  3.3G  5.8G  37% /
devtmpfs       devtmpfs  3.7G     0  3.7G   0% /dev
tmpfs          tmpfs     3.7G  148K  3.7G   1% /dev/shm
tmpfs          tmpfs     3.7G  604K  3.7G   1% /run
tmpfs          tmpfs     3.7G     0  3.7G   0% /sys/fs/cgroup
tmpfs          tmpfs     3.7G   20K  3.7G   1% /tmp
/dev/sda1      ext4      477M   80M  369M  18% /boot
/dev/sda5      ext4      969M  2.3M  900M   1% /usr/local
/dev/sda6      ext4      205G   70G  125G  36% /home
/dev/sda7      ext4      3.8G  527M  3.1G  15% /var

However, free yields:

Mem:       7732364    1253864    6478500       2544      37264
334996 -/+ buffers/cache:     881604    6850760
Swap:     16383996          0   16383996

and I did set it up using anaconda.

Many thanks again!
Ranjan

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