I guess maybe I should eat my own words. My laptop running 14.04 will not
hibernate. I even tried this:
http://ubuntuhandbook.org/index.php/2014/04/enable-hibernate-ubuntu-14-04/
to no avail. I stopped there as I really don't need to hibernate. I prefer
suspend and watch my battery power to make sure it won't conk out if the batt
runs down. I'm usually close to a power source so I can plug-in if I want to
suspend. I'm guessing that hibernate would be fast since my OS, swap, etc.,
are on an SSD.
/Roger
On 06/30/2017 09:20 PM, Mike Miller wrote:
To clarify one thing: I'm not sure that 16.04 will hibernate on my
laptop. Isn't hardware a big issue with hibernation? If we're sure
that 16.04 will hibernate on my laptop, then I'll just kill 17.04 and
install 16.04 LTS. That wouldn't be a big deal for me so I might just
try it anyway. LTS is a good thing and I don't plan to do a lot of
fancy stuff with the laptop -- mostly read PDF files, strangely. ;-)
Thanks again to all!
Mike
On Fri, Jun 30, 2017 at 7:42 PM, Roger <[email protected]> wrote:
On June 30, 2017 5:59:26 PM EDT, Istimsak Abdulbasir <[email protected]>
wrote:
This was a painful research.
To use hibernate (or suspend2) requires your system to have a "tuxonice"
enabled kernel. If you are using such a kernel, then you should see the
suspend2 component in either "/proc/suspend2" or "/sys/power/suspend2". The
kernel patch will allow you to resume your system from your disk if you
decide to use suspend2.
Unfortunately, the "tuxonice" patch for the kernel is not available on its
website. This is what its website looks like(not very technical).
http://www.tuxonice.net/. I doubt running "hibernate" from the console will
work.
However, there is a github project that offers the patch.
https://github.com/pierre/tuxonice-fastboot. I will be checking this out
myself.
Istimsak
On Fri, Jun 30, 2017 at 1:59 PM, Mike Miller <[email protected]> wrote:
I think my first attempt to post got stuck in moderation (recapped
below). I am new to the list and I wasn't properly subscribed when I
sent it.
I've been working on this for many hours with only some progress.
Suspend always worked. Hibernate (to disk) has not worked, yet.
Using "Hibernate" from the system's "Log Out" menu, the screen blanks,
it shuts down, but when I power back up it seems to go through a
normal boot process and I don't recover my previous state.
Using sudo "pm-hibernate", I can see it saving the page files, and
when I try to recover I see it loading the page files up to 99% and
the screen blanks. After that I get only a black screen. It responds
to nothing, so I have to power off.
Any ideas?
Best,
Mike
---------- Forwarded message ----------
From: Mike Miller <[email protected]>
Date: Wed, Jun 28, 2017 at 6:45 PM
Subject: hibernation in Xubuntu 17.04
To: [email protected]
Installation of 17.04 on my laptop was a breeze. Truly a joy and it's
working great, except for this one bothersome thing. Maybe there is a
FAQ, but I didn't find it and things might be a little different with
17.04 because of the use of swapfiles instead of swap partitions.
I discovered that pm-hibernate wasn't installed by default, so I
installed the pm-utils. However, when I try to use it (as in sudo
pm-hibernate), I got an error. Logs show it goes through all of the
steps perfectly right up until it is supposed to hibernate, then it
fails and goes back through a series of "wake" steps. So the screen
blacks for a sec and I'm back to the bash prompt.
The error I see in /var/log/pm-suspend.log is
sh: echo: I/O error
That follows immediately after "performing hibernate" and before
"Awake." There are only three seconds between those lines.
My guess, based on some searches, was that my problem was that I
didn't have a proper swapfile. Now we use swapfile instead of swap
partition, right? So I looked for info on how to create that
swapfile, and it seemed to work. I think I have a proper swapfile but
I'm not sure how to test that. sudo swapon --show seems to give
appropriate output but I'm not sure what PRIO of -1 is telling me.
Any ideas?
Best,
Mike
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"Collaboration is the new innovation" (Istimsak Abdulbasir, 2016)
This sounds like an inexcusable BUG if I understand correctly that one can
not do a successful hibernate with ver. 17.04.
Some interesting points about 17.04 appear here (scroll down):
https://en.wikipedia.org/wiki/Ubuntu_version_history?wprov=sfla1
Shortened url http://tinyurl.com/yaabbg9s
Confirms my approach, stick with LTS versions and I don't upgraded until
after the first point release / update.
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Sent from my Android device using K-9 Mail. Please excuse my brevity.
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Roger
[email protected]
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