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I'm having really slow boot times. I don't know what's going on with my computer, I did a fresh install of Ubuntu 12.04.2 and my boot time is really slow. How can I speed it up?

This is the boot chart. BootChart

My computer specs:

Lenovo IdeaPad U310 
Intel core i5-3317U - 1.7 GHz (2.6 GHz max freq)
500GB HDD - 5400RPM 
4GB RAM 
Intel® HD 4000 (integrated)
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Something seems to be wrong with your sata controller and it doesn't want to reset properly. Try adding libata.force=nohrst to your kernel command line in /etc/default/grub, and run sudo update-grub to make it take effect on the next boot.

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  • Should I Leave the kernel option set for future reboots or leave it there indefinitely? Jun 30, 2013 at 0:16
  • Are you referring these lines? [ 6.259091] ata1: link is slow to respond, please be patient (ready=0) [ 10.901535] ata1: COMRESET failed (errno=-16) [ 16.255129] ata1: link is slow to respond, please be patient (ready=0) [ 20.897624] ata1: COMRESET failed (errno=-16) [ 26.259158] ata1: link is slow to respond, please be patient (ready=0) [ 55.903724] ata1: COMRESET failed (errno=-16) [ 55.903729] ata1: limiting SATA link speed to 3.0 Gbps [ 60.929712] ata1: COMRESET failed (errno=-16) [ 60.929717] ata1: reset failed, giving up Jun 30, 2013 at 0:29
  • @VictorAlejandroMartinez, yes. If it works, then yea, leave it there.
    – psusi
    Jun 30, 2013 at 0:37

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