On Mon, 2 Jul 2007, Carlos E. R. wrote:
Still, letting the disks go to sleep is a good thing, IMO. This "should"
work.
I've never managed to get any of the standby modes to work. I've tried using
KPowersave on KDE, but asking it to initialise standby mode only causes the
system to hard crash: It gets totally jummed after having suspended processes,
and cannot be recovered without forcing a hard reboot via the motherboard.
Ah, you mean suspend to disk, or hibernating. I was thinking simply of
spinning down a disk, but I have only succeeded with auxiliary disks, not
the one holding root.
On the other hand, I routinely hibernate my computer to disk, instead of
halting the computer to power it off. It works very well for me, and it is
way faster than halting/booting.
Is there any other way to initialise standby than via KPowersave? I wonder if
the problem lies in KDE or X. It would be no problem at all if I had to exit
KDE and X for standby in case I happened to know I'd be leaving the machine
running idle for a couple of hours, or would leave it on for the night so as
to avoid daily hard boots. I boot to runlevel 3, then manually start KDE, so I
need not init 3 or anything to get out of X.
I use gnome, so no kpowersave. I suspend by touching the power button
(holding it for 4" powers off hard). There is also a command to suspend
from the kernel (powersave -U), but it may cause problems as it doesn't do
other things needed before suspending.
There are many options you can change related to this: use the bios, the
kernel, unload modules, stop services... its a kind of black art. I'm not
sure which files hold the configs, things have changed recently, and I
have a very mixed mix.
OK, thanks for your reply. I'll be away for some time on a trip, but I
think I'll have a look at this when I'm back. If something interesting
turns up I'll return to this topic on this list.
Tero Pesonen
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