Re: Hibernating under Linux ...
- From: Lusotec <nomail@xxxxxxxxxx>
- Date: Sat, 21 Nov 2009 14:53:18 +0000
Albretch Mueller wrote:
One of the few things I think Windows does well (well, definitely
better than "us") is hibernating. You can actually notice how the hard
drives don't seem to be powered and even the fans stop spipping
I have tried hibernating under both, knoppix 6.2 and Ubuntu 9.10 and
none of them get it right. Is there any Linux distro that does?
Why is that?
Hibernate in GNU/Linux is called suspend to disk (S2DISK). GNU/Linux support
for S2DISK is hardware and firmware dependent (same for Windows) and works
for some hardware/firmware but not other.
On my personal MSI notebook S2DISK and S2RAM works in GNU/Linux and Windows
XP but not in Windows Vista and 7. For Vista (and maybe 7) it requires a
firmware update but some people reported problems with the update, so I did
not apply it and I can't tell if it would have solve the problem. I don't
use those OSs in my notebook anyway.
On my desktop workstation, both S2RAM and S2DISK works on GNU/Linux, Windows
XP and Windows 7 RC. Both entering and leaving S2DISK is faster on GNU/Linux
than on XP or 7. Entering S2RAM takes a few seconds in the three OSs but
leaving S2RAM is much slower in GNU/Linux taking 12 seconds while XP and 7
only take one or two seconds.
On a final note, probably all distros use the same software packages (e.g.
Linux kernel and pm package) to implement S2RAM and S2DISK. Different
distros have different versions of those packages and this results in
different hardware/firmware support.
Bleeding edge distros probably have more recent versions of those packages
and thus better support but you can cut your fingers in the sharp edges else
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