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Old 12-15-2004, 08:59 PM   #1
Registered: Nov 2004
Posts: 93

Rep: Reputation: 15
how to hibernate my computer

I'm using RedHat 9 on laptop
When I close the moniter It does not hibernate like under windows
how to fix it

wang zheng
Old 12-16-2004, 12:20 AM   #2
Registered: Jan 2004
Location: Georgia
Distribution: OS X, CentOS
Posts: 669

Rep: Reputation: 34
I think this is a problem with laptop compatibility and linux. I have never gotten it to work on mine, but I do know that you need to have ACPI enabled for the kernel, or just have it boot up with the ACPI option in LILO or Grub. Sorry that I can't say more; I wish I could.
Old 12-16-2004, 05:45 AM   #3
Registered: Oct 2004
Location: Germany
Distribution: Debian
Posts: 274

Rep: Reputation: 34
I can hibernate mine, but only in textmode, because currently all vendor drivers don't support hibernate under linux.
you have to exit X and unload i.e. the nvidia drivers.
then you can suspend using
echo "disk" >/sys/power/state
echo "4" >/proc/acpi/sleep

this can be triggered using the lid switch with the acpid daemon
(config in /etc/acpid/...)

Old 12-16-2004, 08:06 AM   #4
Registered: Nov 2004
Posts: 93

Original Poster
Rep: Reputation: 15
It seems to be a big problem to me, I will look for ACPI. thanks for your advices


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