Re: [PATCH 0/2] Kexec jump: The first step to kexec base hibernation

From: Mark Lord
Date: Thu Jul 12 2007 - 12:03:52 EST


Rafael J. Wysocki wrote:
On Thursday, 12 July 2007 15:51, Mark Lord wrote:
..
Currently, TuxOnIce(suspend2) takes about 10 seconds to suspend my notebook.
Switching to this new scheme would double that to 10 seconds to boot/probe,
plus the original 10 seconds to hibernate. Assuming the new implementation
even comes close to suspend2 speed.

How much RAM is there in your machine?

2GB, but It doesn't need to dump that much for good performance.
Hibernate here consists of:

echo "$(( 256 * 1024 * 1024 ))" > /sys/power/image_size
echo -n disk > /sys/power/state

Plus a couple of fiddly commands to deal with the ATI binary X server.

We use this on other machines here too, with 2GB RAM (most of them)
and 1.3GB RAM (very slow HD, so it takes longer on that one).

Cheers

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