Top causes for wakeups: 32.1% (291.8) firefox : hrtimer_start_range_ns (hrtimer_wakeup) Suggestion: increase the VM dirty writeback time from 5.00 to 15 seconds with: echo 1500 > /proc/sys/vm/dirty_writeback_centisecs This wakes the disk up less frequently for background VM activity Suggestion: Enable SATA ALPM link power management via: echo min_power > /sys/class/scsi_host/host0/link_power_management_policy or press the S key. Suggestion: Disable 'hal' from polling your cdrom with: hal-disable-polling --device /dev/cdrom 'hal' is the component that auto-opens a window if you plug in a CD but disables SATA power saving from kicking in.
Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?
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