It says: "This state [freeze] is a generic, pure software, light-weight,
system sleep state. [...] This state [freeze] can be used for platforms
without Power-On Suspend/Suspend-to-RAM support, [...] It is always
supported."
This means, I do not really need to worry whether my system really supports
it or not since it's just software based? So there should be little risk
that it makes the system hang?
Ciao Gianluca,
yes, that kernel doc page is a good reference, I would have pointed you there
anyway.
Hybryd suspend is available in R14.1.0-dev and if I remember correctly it is
not available in the R14.0.x series. Also, hardware support is required for
that.
Re freeze: is a lighter form compare to suspend-to-RAM and meant to be
quicker to go back to a working state. I have seen system hanging with
freeze, though. So give it a go, see how it goes and use it/avoid it
depending on the outcoume of the test.
Ciao Michele,
I tried it out. Both "Freeze" and "Suspend" work! It rocks!
I have another question, also tangential to TDE. I am still using the
default SDDM that openSUSE Leap 15.2 came with as the login display
manager. It has no "Hibernate" button, but it has a "Sleep" button. Any
idea whether this corresponds to Suspend (to RAM) or Hibernate? Last time
I tried it out it made my laptop hang but that's before I fixed the
problems with Hibernate (had to switch from "platform" to "shutdown"), so
it makes me think that "Sleep" in SDDM is actually Hibernate (or something
obscure). But this is irrelevant to everyday use since I normally just
hibernate from TDE.
I also noticed an interesting fact about "Freeze". If you logged in
remotely into the laptop and you put it into the "Freeze" state, your
login shell is also "frozen" but comes back up immediately as soon as the
laptop resumes and it even "remembered" that I had pressed the ENTER key.
Best,
Gianluca
Re the logo after coming up from hibernate, it is likely to be related to the
kernel/kernel config you are using since the OS is not operating till the
resume from hibernate is completed.
Cheers
Michele
-----------------------------------------------------
Gianluca Interlandi, PhD gianluca@xxxxxxxxxxxxxxxx
+1 (206) 685 4435
http://gianluca.today/
Department of Bioengineering
University of Washington, Seattle WA U.S.A.
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