Re: F16, XFCE/LXDE and hibernate button

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Proof my brain has not been working right lately --

On Wed, Apr 11, 2012 at 11:42 AM, Joel Rees <joel.rees@xxxxxxxxx> wrote:
> On Wed, Apr 11, 2012 at 9:50 AM, Rick Stevens
> <rstevens@xxxxxxxxxxxxxxxxxxx> wrote:
>> On 04/10/2012 03:55 PM, Joel Rees wrote:
>>> Anybody using XFCE or LXDE who are missing their hibernate button in
>>> the logout dialog after the recent kernel upgrade?
>> Which new kernel? I'm running 3.3.1-3.fc16.x86_64 and I see it.
> 3.3.1-3.fc16.i686
> If you're getting yours, it probably is not the kernel, so, ...
>>> Or should I suspect that moving the /home partition to a new partition
>>> yesterday is to blame?
>> Possibly.
>>> (Need to look up what I have to do with SELinux after a move like
>>> this. I remember there's something that needs to be done, don't
>>> remember exactly what.)
>> "restorecon -R -v /home" I believe.
> Yeah. Restore context. That's one thing I need to do.
> Reset a bunch of context. but there's still no hibernate. Durn.

Today, I finally did what I should've done four days ago:

STW on "hibernate setting xfce"

Google gave me some nice threads on xfconf-query:

No man entry for xfconf-query, but --help gives enough clues for what
I might have needed in another case, but not here. setting the
hibernate setting to true with

xfconf-query -c xfce4-session -np '/shutdown/ShowHibernate' -t 'bool' -s 'true'

didn't help.

But this topic give me the clue I really needed:

Really simple. on4aa pointed out that I need a functional swap for
hibernate to work. Since I had moved both /home and swap, I thought
maybe I should check, and, sure enough, swapon -s listed no active
swap. Checking /etc/fstab (Significantly cleaner on this netbook with
a fresh f16 than on my aging tower with an install that I've been
upgrading since F10 or before.) showed the entry for swap, so I tried

swapon -a

and got a message about the UUID not matching. Yep. Never fixed it
after the move. I guess the dd on the /home partition restored the
UUID, since it matches what is in fstab. Anyway,

ls -l /dev/disk/by-uuid

showed me the new UUID, and I checked the swap partition again with
gparted because my memory just ain't what it used to be, and edited
the fstab swap entry with the new UUID and now swapon -a turns the
swap on and, yay! there is my hibernate button.

Thanks for the suggestions, Rick and Bruno.

Joel Rees
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