Comment 159 for bug 119730

Rafael GarcĂ­a (rgo) wrote :

It also happens with kernel 3.13.2-031302-generic #201402061638 (from http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.13.2-trusty/)

Based on previous comment of Ilya Murav'jov I "solved" it temporally with powertop.

I disabled powersaving modes of these devices:

PM ejecutable para dispositivo PCI Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 1
PM ejecutable para dispositivo PCI Intel Corporation 5 Series/3400 Series Chipset 4 port SATA AHCI Controller