ubuntu-x-swat team mailing list archive

[Miroslav <662998@xxxxxxxxxxxxxxxxxx>]

Could you try this:

As root create empty file "pcie_aspm" with execute bit disabled
in /etc/pm/power.d folder.

This will prevent the PCIE lanes from entering into power-saving
mode which is implemented in the kernel but probably not fully tested.

It helped me - see bug #660746.

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https://bugs.launchpad.net/bugs/662998

Title:
  System freezes when running on battery