Scott Hosking, the issue you are reporting is an upstream one. Could you
please report this problem through the appropriate channel by following
the instructions _verbatim_ at
https://wiki.ubuntu.com/Bugs/Upstream/kernel ?
Please provide a direct URL to your e-mail to the mailing list once you
Christopher M. Penalver, I have just installed and rebooted to test the
following (below) and found that the bug still exists.
linux-image-3.14.0-031400rc4-generic_3.14.0-031400rc4.201402232235_amd64.deb
linux-headers-3.14.0-031400rc4-generic_3.14.0-031400rc4.201402232235_amd64.deb
** Tags
Christopher M. Penalver, in the live USB of 12.04.0 the two-finger
scrolling can not be activated under Settings--Mouse. The problem was
not reproducable but I put that down to the OS not recognising the
second finger.
Edward-douse, I tried the newest version of ElementaryOS and the results
were
Scott Hosking, could you please test the latest upstream kernel available (not
the daily folder) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It
will allow additional upstream developers to examine the issue. Once you've
tested the upstream kernel, please comment on which kernel
Scott, if you get chance, also test ElementaryOS. I have just switched
from that to Ubuntu and Ubuntu Gnome 14.04 for testing and my touchpad
(Lenovo Z500) is also quite jerky. Or rather I suppose I would describe
it as a grainy movement. In ElementaryOS it was fine although it is also
jerky in
I have now installed the latest daily image of Ubuntu 14.04 as the main
install to help with testing before the final release.
The mouse cursor is still jumpy as described above. If another bug
report or further information would be useful at anytime feel free to
let me know.
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Scott Hosking, did this problem not occur in a release prior to Trusty?
** Tags added: regression-potential
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https://bugs.launchpad.net/bugs/1272624
Title:
[Dell Latitude
Hi Christopher, this was also a problem in Ubuntu 13.10.
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https://bugs.launchpad.net/bugs/1272624
Title:
[Dell Latitude E7440] 14.04 Touchpad not as smooth as Win7
Status
Scott Hosking, did this problem not occur in a release prior to Saucy?
** Tags added: saucy
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Title:
[Dell Latitude E7440] 14.04
Christopher, I have not personally tested on a release prior to Saucy
but according to comment #15 in bug 1258837 the touchpad bug (if it is
the same) didn't seem to exhibit itself in earlier kernel versions used
in 12.04
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The main problem seems to be when I place a second finger close to my
first finger causing the cursor to jump and jerk across the screen
(i.e., disappers and reappears in any other part of the screen). I have
tried to alter values in synclient to reduce this but I haven't had much
luck.
I've
** Changed in: linux (Ubuntu)
Importance: Undecided = Medium
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Title:
[Dell Latitude E7440] 14.04 Touchpad not as smooth as Win7
Scott - do you see the driver resynced messages in syslog when the
cursor jumps around (as I described in bug 1258837)?
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Title:
Allan, in syslog I see the following...
Jan 27 18:19:29 oort kernel: [ 206.716178] psmouse serio1: GlidePoint at
isa0060/serio1/input0 lost sync at byte 1
Jan 27 18:19:29 oort kernel: [ 206.717133] psmouse serio1: GlidePoint at
isa0060/serio1/input0 lost sync at byte 1
Jan 27 18:19:29 oort
Here is the output for 14.04 for synclient:
Parameter settings:
LeftEdge= 300
RightEdge = 1700
TopEdge = 210
BottomEdge = 1190
FingerLow = 12
FingerHigh = 15
MaxTapTime =
Following #6, the synclient output for ubuntu 13.10 differs for the
following options (ubuntu 14.04 output is in brackets)
RTCornerButton = 0 (2)
RBCornerButton = 0 (3)
LTCornerButton = 0
LBCornerButton = 0
TapButton1 = 0
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