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After I suspend and try to wake up my laptop it just automatically reboots every time. I had this problem in 11.04, but it happened occasionaly. Now I'm with 11.10 and it occurs every time.

It is a sony vaio FW350. It has an onboard Intel graphics.

I also have this other problem since 9.10: I guess they are related problems.

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The fix provided in this link solved my problem:

  1. You just have to edit the /etc/default/grub file:

    gksu gedit /etc/default/grub
  2. Look up the line where it says:


    and change it to:

    GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_sleep=nonvs"
  3. Save the file and close gedit.

  4. Update the GRUB menu:

    sudo update-grub
  5. Reboot and enjoy!

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