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On Fri, May 18, 2012 at 5:37 PM, Volker Armin Hemmann |
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<volkerarmin@××××××××××.com> wrote: |
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> Am Freitag, 18. Mai 2012, 17:26:10 schrieb Canek Peláez Valdés: |
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>> On Fri, May 18, 2012 at 5:09 PM, Volker Armin Hemmann |
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>> |
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>> <volkerarmin@××××××××××.com> wrote: |
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>> > Am Freitag, 18. Mai 2012, 22:42:59 schrieb Ignas Anikevicius: |
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>> >> On 18/05/12 20:59, Alex Schuster wrote: |
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>> >> > Suspend to ram (using the hibernate-ram command from |
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>> >> > sys-power/hibernate-script) seems to work better. |
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>> >> |
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>> >> What about pm-utils? Does it work better or worse than hibernate-script. |
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>> >> I had 0 problems with it during entire usage of linux, whereas with the |
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>> >> hibernate script package I had some issues... |
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>> >> |
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>> >> And yes, I am usually suspending to ram, but I was just thinking about |
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>> >> possibilities to make my computer boot faster in the cases I really need |
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>> >> to do a restart. :) |
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>> >> |
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>> >> Cheers, |
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>> >> Ignas |
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>> > |
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>> > I just do echo mem > ... or click on the 'Ruhezustand' button in KDE. |
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>> > Results in the same. Well working suspend-to-ram. With fglrx. X running |
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>> > etc pp. |
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>> With upower to suspend-to-ram you can just: |
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>> |
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>> dbus-send --system --print-reply --dest="org.freedesktop.UPower" |
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>> /org/freedesktop/UPower org.freedesktop.UPower.Suspend |
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>> |
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> |
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> which is way harder to type and memorize than: |
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> echo mem > /sys/power/state |
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|
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Yeah. However, he Dbus method works as a simple user; the |
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/sys/power/state thing you can only do it as root. At least in my |
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system. |
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|
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>> or use the "Suspend" option in GNOME 3 (GNOME uses upower). That I |
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>> already knew. What I didn't knew was that |
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>> |
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>> dbus-send --system --print-reply --dest="org.freedesktop.UPower" |
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>> /org/freedesktop/UPower org.freedesktop.UPower.Hibernate |
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>> |
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>> works as well for suspend-to-disk. I hadn't hibernated my laptop in |
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>> ages, it's good to know it still works. I use systemd+> dracut, which I |
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>> suppose it matters for the hibernate option. |
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> |
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> no, not really... |
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|
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The restore-from-hibernate requires booting the kernel in a special |
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way to load the memory state from the swap partition. That requires |
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special handling from the init process and the initramfs; we had a |
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discussion some weeks ago about genkernel not handling this correctly. |
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|
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Maybe systemd has nothing to do with restore-from-hibernate working (I |
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don't know); but dracut surely does. It has a module called "resume" |
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that seems to handle this. |
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|
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Regards. |
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-- |
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Canek Peláez Valdés |
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Posgrado en Ciencia e Ingeniería de la Computación |
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Universidad Nacional Autónoma de México |
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