I am no longer experiencing this bug so removing my vote. Specifically,
if I press two fingers on my touchpad the pointer doesn't move as long
as I keep both fingers still and in contact with the touchpad.
I had to send my computer for repair for unrelated reasons and they
upgraded the BIOS, maybe
Actually there seems to be some confusion in that
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-
synaptics/+bug/308191 bug - From the description up to comment #32 the
bug is only about the touchpad only detecting one finger (no mention
about pointer jumping anywhere) then comment #3
(oops, the bugs.launchpad.net web interface turns "bug number 21614"
into a link but to a totally unrelated thing - I was of course referring
to https://bugs.freedesktop.org/show_bug.cgi?id=21614)
--
erratic cursor movement with multi touch
https://bugs.launchpad.net/bugs/503944
You received this
Jim Rorie: It's not the same bug. Note the keywords "jump erratically
all over the screen *constantly* " and "not the same as known bug where
cursor jumps to place on release of finger".
This bug is triggered by having and keeping two (or more) fingers
pressed - the mouse pointer jumps around even
** Attachment added: "dmesg"
http://launchpadlibrarian.net/39273546/dmesg
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erratic cursor movement with multi touch
https://bugs.launchpad.net/bugs/503944
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** Attachment added: "devices"
http://launchpadlibrarian.net/39273518/devices
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erratic cursor movement with multi touch
https://bugs.launchpad.net/bugs/503944
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** Attachment added: "Xorg.0.log"
http://launchpadlibrarian.net/39273513/Xorg.0.log
--
erratic cursor movement with multi touch
https://bugs.launchpad.net/bugs/503944
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** Attachment added: "lshal"
http://launchpadlibrarian.net/39273550/lshal
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erratic cursor movement with multi touch
https://bugs.launchpad.net/bugs/503944
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** Attachment added: "lspci-vvnn"
http://launchpadlibrarian.net/39273499/lspci-vvnn
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erratic cursor movement with multi touch
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** Attachment added: "version_signature"
http://launchpadlibrarian.net/39273463/version_signature
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erratic cursor movement with multi touch
https://bugs.launchpad.net/bugs/503944
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I'm attaching information as specified in
https://wiki.ubuntu.com/DebuggingTouchpadDetection
** Attachment added: "laptop"
http://launchpadlibrarian.net/39273381/laptop
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erratic cursor movement with multi touch
https://bugs.launchpad.net/bugs/503944
You received this bug notification becaus
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erratic cursor movement with multi touch
https://bugs.launchpad.net/bugs/503944
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I have the same problem. I thought the output (attached) of synclient
gives interesting insight on this.
I did the following:
1) I started synclient -m 10
2) (time=2.374) I put one finger near the right of the touchpad, trying to keep
the position and pressure constant
3) (approx time=3.931) Kee
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