Two finger scrolling stopped working

Does the system have a make and model?

The system is a Galago Pro Ultrabook from System76. Here are the specs:

14.1" 1080p Full High Definition ColorPro IPS Display with Matte Surface (
1920 x 1080 )
Intel® Iris™ Pro Graphics 5200
4th Generation Intel® Core™ i7-4750HQ Processor ( 2.0 GHz 6MB L3 Cache - 4
Cores plus Hyperthreading )
16 GB Dual Channel DDR3 SDRAM at 1600MHz - 2 X 8 GB
United States Keyboard Layout
250 GB Samsung 840 EVO mSATA Solid State Drive

On Thu, Apr 21, 2016 at 12:47 PM, actionparsnip <
<email address hidden>> wrote:

> Your question #291837 on Ubuntu changed:
> https://answers.launchpad.net/ubuntu/+question/291837
>
> Status: Open => Needs information
>
> actionparsnip requested more information:
> Does the system have a make and model?
>
> --
> To answer this request for more information, you can either reply to
> this email or enter your reply at the following page:
> https://answers.launchpad.net/ubuntu/+question/291837
>
> You received this question notification because you asked the question.
>

Further info: after a reboot, two finger scrolling was re-enabled for a few
minutes, then ceased.

On Thu, Apr 21, 2016 at 12:47 PM, actionparsnip <
<email address hidden>> wrote:

> Your question #291837 on Ubuntu changed:
> https://answers.launchpad.net/ubuntu/+question/291837
>
> Status: Open => Needs information
>
> actionparsnip requested more information:
> Does the system have a make and model?
>
> --
> To answer this request for more information, you can either reply to
> this email or enter your reply at the following page:
> https://answers.launchpad.net/ubuntu/+question/291837
>
> You received this question notification because you asked the question.
>

After the reboot and the scrolling stops, run:

dmesg | tail

What is the output please?

Have you contacted System76? They may have advise.

It has returned to functioning normally (of course). As soon as the issue
recurs I will post the dmesg output.

On Fri, Apr 22, 2016 at 12:18 AM, actionparsnip <
<email address hidden>> wrote:

> Your question #291837 on Ubuntu changed:
> https://answers.launchpad.net/ubuntu/+question/291837
>
> Status: Open => Needs information
>
> actionparsnip requested more information:
> After the reboot and the scrolling stops, run:
>
> dmesg | tail
>
> What is the output please?
>
> --
> To answer this request for more information, you can either reply to
> this email or enter your reply at the following page:
> https://answers.launchpad.net/ubuntu/+question/291837
>
> You received this question notification because you asked the question.
>

I opened a support ticket with System76. They suggested re-installing the
touchpad driver but I have not done that yet.

On Fri, Apr 22, 2016 at 12:18 AM, actionparsnip <
<email address hidden>> wrote:

> Your question #291837 on Ubuntu changed:
> https://answers.launchpad.net/ubuntu/+question/291837
>
> actionparsnip requested more information:
> Have you contacted System76? They may have advise.
>
> --
> To answer this request for more information, you can either reply to
> this email or enter your reply at the following page:
> https://answers.launchpad.net/ubuntu/+question/291837
>
> You received this question notification because you asked the question.
>

OK, two finger scrolling failed again upon resume from suspend. Here is
dmesg | tail output:

don@don-Galago-Pro ~ $ dmesg | tail
[16388.549173] IPv6: ADDRCONF(NETDEV_UP): eth1: link is not ready
[16388.593436] psmouse serio2: synaptics: queried min coordinates: x
[1262..], y [1124..]
[16388.596557] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
[16391.832439] wlan1: authenticate with 74:d0:2b:d3:4a:7c
[16391.834664] wlan1: send auth to 74:d0:2b:d3:4a:7c (try 1/3)
[16391.835255] wlan1: authenticated
[16391.837067] wlan1: associate with 74:d0:2b:d3:4a:7c (try 1/3)
[16391.837854] wlan1: RX AssocResp from 74:d0:2b:d3:4a:7c (capab=0x11
status=0 aid=2)
[16391.839019] wlan1: associated
[16391.839044] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
don@don-Galago-Pro ~ $

Does this help?

            Don

On Fri, Apr 22, 2016 at 12:18 AM, actionparsnip <
<email address hidden>> wrote:

> Your question #291837 on Ubuntu changed:
> https://answers.launchpad.net/ubuntu/+question/291837
>
> Status: Open => Needs information
>
> actionparsnip requested more information:
> After the reboot and the scrolling stops, run:
>
> dmesg | tail
>
> What is the output please?
>
> --
> To answer this request for more information, you can either reply to
> this email or enter your reply at the following page:
> https://answers.launchpad.net/ubuntu/+question/291837
>
> You received this question notification because you asked the question.
>

I tried purging/re-installing the touchpad driver as suggested by the folks
at System76. The problem occurred again after doing that, so that is not
the fix.

As it happens there was an update of the System76 driver today. (Their
driver maps some of the special keys and is not required.) I think its
release today was a coincidence in timing and not intended to address the
two finger scrolling issue. Either way, though, the loss of two finger
scrolling recurred after the System76 driver update, so that was not the
fix either.

On Fri, Apr 22, 2016 at 9:13 AM, DonKaron <
<email address hidden>> wrote:

> Your question #291837 on Ubuntu changed:
> https://answers.launchpad.net/ubuntu/+question/291837
>
> You gave more information on the question:
> OK, two finger scrolling failed again upon resume from suspend. Here is
> dmesg | tail output:
>
> don@don-Galago-Pro ~ $ dmesg | tail
> [16388.549173] IPv6: ADDRCONF(NETDEV_UP): eth1: link is not ready
> [16388.593436] psmouse serio2: synaptics: queried min coordinates: x
> [1262..], y [1124..]
> [16388.596557] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
> [16391.832439] wlan1: authenticate with 74:d0:2b:d3:4a:7c
> [16391.834664] wlan1: send auth to 74:d0:2b:d3:4a:7c (try 1/3)
> [16391.835255] wlan1: authenticated
> [16391.837067] wlan1: associate with 74:d0:2b:d3:4a:7c (try 1/3)
> [16391.837854] wlan1: RX AssocResp from 74:d0:2b:d3:4a:7c (capab=0x11
> status=0 aid=2)
> [16391.839019] wlan1: associated
> [16391.839044] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
> don@don-Galago-Pro ~ $
>
> Does this help?
>
> Don
>
> On Fri, Apr 22, 2016 at 12:18 AM, actionparsnip <
> <email address hidden>> wrote:
>
> > Your question #291837 on Ubuntu changed:
> > https://answers.launchpad.net/ubuntu/+question/291837
> >
> > Status: Open => Needs information
> >
> > actionparsnip requested more information:
> > After the reboot and the scrolling stops, run:
> >
> > dmesg | tail
> >
> > What is the output please?
> >
> > --
> > To answer this request for more information, you can either reply to
> > this email or enter your reply at the following page:
> > https://answers.launchpad.net/ubuntu/+question/291837
> >
> > You received this question notification because you asked the question.
> >
>
> --
> You received this question notification because you asked the question.
>

Some further info: I disabled my synclient settings in the startup
applications (I'd placed them there long ago in order to enlarge the
trackpad area and shrink the virtual button area). I have not had the
scrolling fail since I disabled these settings yesterday.

I don't know how synclient interacts with the trackpad driver but my guess
is that there is some incompatibility between the two and that this is a
new problem in 16.04. I had no problems like this in 14.04 despite using
the same settings.

I also noticed that my syndaemon settings (to put the trackpad to sleep for
two seconds after the keyboard was touched—prevented palm touches from
moving the pointer) were not effective under 16.04 so I disabled those
also. The syndaemon settings did not, however, seem to have an effect on
the two finger scrolling problem but since they didn't appear to be
functional I figured I might as well disable them, too.

On Fri, Apr 22, 2016 at 9:13 PM, DonKaron <
<email address hidden>> wrote:

> Your question #291837 on Ubuntu changed:
> https://answers.launchpad.net/ubuntu/+question/291837
>
> You gave more information on the question:
> I tried purging/re-installing the touchpad driver as suggested by the folks
> at System76. The problem occurred again after doing that, so that is not
> the fix.
>
> As it happens there was an update of the System76 driver today. (Their
> driver maps some of the special keys and is not required.) I think its
> release today was a coincidence in timing and not intended to address the
> two finger scrolling issue. Either way, though, the loss of two finger
> scrolling recurred after the System76 driver update, so that was not the
> fix either.
>
> On Fri, Apr 22, 2016 at 9:13 AM, DonKaron <
> <email address hidden>> wrote:
>
> > Your question #291837 on Ubuntu changed:
> > https://answers.launchpad.net/ubuntu/+question/291837
> >
> > You gave more information on the question:
> > OK, two finger scrolling failed again upon resume from suspend. Here is
> > dmesg | tail output:
> >
> > don@don-Galago-Pro ~ $ dmesg | tail
> > [16388.549173] IPv6: ADDRCONF(NETDEV_UP): eth1: link is not ready
> > [16388.593436] psmouse serio2: synaptics: queried min coordinates: x
> > [1262..], y [1124..]
> > [16388.596557] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
> > [16391.832439] wlan1: authenticate with 74:d0:2b:d3:4a:7c
> > [16391.834664] wlan1: send auth to 74:d0:2b:d3:4a:7c (try 1/3)
> > [16391.835255] wlan1: authenticated
> > [16391.837067] wlan1: associate with 74:d0:2b:d3:4a:7c (try 1/3)
> > [16391.837854] wlan1: RX AssocResp from 74:d0:2b:d3:4a:7c (capab=0x11
> > status=0 aid=2)
> > [16391.839019] wlan1: associated
> > [16391.839044] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
> > don@don-Galago-Pro ~ $
> >
> > Does this help?
> >
> > Don
> >
> > On Fri, Apr 22, 2016 at 12:18 AM, actionparsnip <
> > <email address hidden>> wrote:
> >
> > > Your question #291837 on Ubuntu changed:
> > > https://answers.launchpad.net/ubuntu/+question/291837
> > >
> > > Status: Open => Needs information
> > >
> > > actionparsnip requested more information:
> > > After the reboot and the scrolling stops, run:
> > >
> > > dmesg | tail
> > >
> > > What is the output please?
> > >
> > > --
> > > To answer this request for more information, you can either reply to
> > > this email or enter your reply at the following page:
> > > https://answers.launchpad.net/ubuntu/+question/291837
> > >
> > > You received this question notification because you asked the question.
> > >
> >
> > --
> > You received this question notification because you asked the question.
> >
>
> --
> You received this question notification because you asked the question.
>

This question was expired because it remained in the 'Open' state without activity for the last 15 days.