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Old 02-24-2008, 02:06 PM   #1
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Sleep mode in Linux?

Vista and OSX both support sleep mode for very fast wake up. Do any Linux distros support this?

Old 02-24-2008, 02:53 PM   #2
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Yes, it is known as suspend-to-ram.
Old 02-24-2008, 02:54 PM   #3
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Yes it is covered by ACPI options in the kernel, so it depends if you have those built.

Usually you do something like 'echo -n mem > /sys/power/state' for suspend to ram, and
'echo -n disk > /sys/power/state' to hibernate.

To find out if your kernel supports this you can do 'cat /sys/power/state' and look for standby mem disk.
Old 03-03-2008, 02:54 PM   #4
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Well i uncommented the ACPI_HIBERNATE=true line in /etc/default/acpi-support and the option to suspend now appears but the system won't actually enter sleep mode. Any ideas how i can troubleshoot this issue?

Using Ubuntu dapper on an Acer Aspire 1313 notebook.

I'm quite new to Linux so be gentle.



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