Comment 7 for bug 1603659

Hi,

I just changed from Ubuntu 14.04 (flawlessly working) to 16.04 and
experienced a similar behavior of my Logitech, Inc. Cordless Mouse:
after a few seconds of inactivity, the mouse exhibits a lagging
behavior. Interestingly, using a USB cord connected mouse does not
show this behavior.

I searched the WWW and tried all proposed actions without
success. However, I have not found THIS bug report. Finally, as a
last random resort, I decided to fully disable the laptop mode
ENABLE_LAPTOP_MODE_TOOLS=0 in /etc/laptop-mode/laptop-mode.conf
and the problem disappeared.

After that finding I searched the web regarding bugs in laptop mode
and found this entry.

A few information:
lsusb yields (only the interesting line displayed here):

Bus 003 Device 002: ID 046d:c501 Logitech, Inc. Cordless Mouse Receiver

Relevant output of usb-devices:

T: Bus=03 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#= 2 Spd=1.5 MxCh= 0
D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=046d ProdID=c501 Rev=09.10
S: Manufacturer=Logitech
S: Product=USB Receiver
C: #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=50mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=01 Prot=02 Driver=usbhid

I did not find any error or warning messages in the log files.

So this is definitely a bug in or wrong parametrization of the
laptop-mode tools or the programs invoked by laptop-mode.

It would be good if this could be corrected in one of the next
updates given the fact that this bug persists now for more than
a year.

Thanks and best wishes,
Hans-Georg