On Wed, Jun 22, 2022 at 12:00 PM Ranjan Maitra <[email protected]> wrote:

> On Wed Jun22'22 11:40:10AM, George N. White III wrote:
> > From: "George N. White III" <[email protected]>
> > Date: Wed, 22 Jun 2022 11:40:10 -0300
> > To: Community support for Fedora users <[email protected]>
> > Reply-To: Community support for Fedora users <
> [email protected]>
> > Subject: Re: fully updated F36 Dell XPS 13 no longer comes back from
> >  hibernate (post Thursday updates)
> >
> > On Wed, Jun 22, 2022 at 8:43 AM Ranjan Maitra <[email protected]> wrote:
> >
> > > Dear friends,
> > >
> > > I have a fully updated F36 Dell XPS 13 that has been updated nightly
> (and
> > > upgraded when appropriate) using dnf on a cron job for the past few
> years.
> > > Sadly, after last Thursday's updates, the machine goes down fine (with
> the
> > > usual systemctl hibernate), but does not come back up. I am a little
> > > confused what changed last Thursday, but I was wondering if anyone had
> any
> > > suggestions as to how I may diagnose and fix this problem.
> > >
> >
> > Is this a dual boot with Windows?  Did you recently get firmware updates
> > from Dell?   Have you
> > looked at messages using journalctl?
>
> My apologies for overlooking such obvious necessary information. To answer
> your questions:
>
> > Is this a dual boot with Windows?
>
> No, only runs Fedora since I bought it. I believe I wiped out all
> partitions when it came and put up Fedora (in 2018).
>
> > Did you recently get firmware updates from Dell?
>
> No, sorry. I did not even check.
>
> > Have you looked at messages using journalctl?
>
> So, I don't really know what to look for, but I tried:
>
> journalctl | grep hibernate
>
> and got:
>
>  Jun 22 06:06:49 localhost.localdomain systemd[1]: Created slice
> system-systemd\x2dhibernate\x2dresume.slice - Slice
> /system/systemd-hibernate-resume.
>  Jun 22 06:06:50 localhost.localdomain systemd[1]: Starting
> systemd-hibernate-resume@dev-disk-by\x2duuid-a83ac239\x2dcc10\x2d43a6\x2dbe54\x2dde4ce7050605.service
> - Resume from hibernation using device
> /dev/disk/by-uuid/a83ac239-cc10-43a6-be54-de4ce7050605...
>  Jun 22 06:06:50 localhost.localdomain systemd-hibernate-resume[390]:
> Could not resume from
> '/dev/disk/by-uuid/a83ac239-cc10-43a6-be54-de4ce7050605' (259:4).
>

Next chance, make

Searching for "systemd-hibernate-resume Could not resume from
'dev/disk/by-uuid" in the past year may give you some ideas.
Interesting hit was https://www.suse.com/support/kb/doc/?id=000020264,
which says:

Specifying to attempt resuming from a hibernation image should not normally
result in a failure to boot. SUSE Support has observed cases in which it
does. These include:

    Security hardened systems
    Systems in which the swap device, root filesystem or /boot partition
was not specified by UUID
    Otherwise improperly configured GRUB, such as duplicate resume=
parameters
    Cases where the swap device was unreachable.



>  Jun 22 06:06:50 localhost.localdomain systemd[1]:
> systemd-hibernate-resume@dev-disk-by\x2duuid-a83ac239\x2dcc10\x2d43a6\x2dbe54\x2dde4ce7050605.service:
> Deactivated successfully.
>

Why is ASCII "minus/dash" (-) is shown as hex "\x2d"?   I see similar
entries on my Fedora 35 system.

-- 
George N. White III
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