On Mon, Jun 25, 2018 at 2:29 PM, Hans de Goede <hdego...@redhat.com> wrote:
> Hi, > > On 25-06-18 13:26, Radka Janekova wrote: > >> ref: https://fedoraproject.org/wiki/Changes/ImprovedLaptopBattery >> Life#Current_status >> > "Enable USB autosuspend for USB bluetooth receivers by default. If all >> other USB devices on the laptop also have USB auto-suspend enabled (which >> typically is true) this saves aprox. 0.4 Watts of power on an idle laptop." >> >> I believe that this option fails to actually re-enable USB until complete >> reboot of a machine affected. Neither keyboard, nor mouse, nothing, no USBs >> work after switching from power (dock) to battery, even after re-connecting >> power. >> >> The issue is observed since upgrading to F28 (non-gnome) >> >> Is there anything I can look at to find out what is causing it, if it is >> really due to the above mentioned power saving tweaks? >> > > F28 only enables auto-suspend on BlueTooth USB interfaces, all other USB > devices are > left alone, so this seems unrelated. > Not exactly since it's happening only since the update and I don't know what else it could be... Further I do use a bluetooth keyboard that I am unable to connect anymore (so i use it through synergy from windows machine...) > > Regards, > > Hans > >
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