On Sat, 21 Dec 2013, Heinz Wiesinger wrote:
J. Domburg <jeroen <at> spritesmods.com> writes:
I'm experiencing exactly the same issue. I have my T440s now for a bit more
than two weeks. No issues with the touchpad until today when it suddenly
started acting up and I now see messages like these in dmesg
<snip>
Hi Heinz, all,
Always good to know mine is not an isolated case, although in this case, I
wouldn't want to wish the issue on anyone else...
FYI: I haven't resolved this issue yet, but I'm thinking this may be a
hardware issue after all. I decided to try and see if Win7 has this issue
too, and got myself an USB-stick to install it from. I didn't even get
past the installer. It gave me exactly the same issues as Linux has:
an erratic and finally hanging cursor when using the clickpad.
I can understand Lenovo not wanting to support a Linux-only-issue so up
till now I haven't bothered them yet with my issue, but I can't see my
laptop not having mouse support in something as commonly used and
well-supported by hardware manufacturers as the Win7 installer. This
smells like an hardware issue to me, so I filed a warranty case today.
If people here don't mind, I'll keep the list updated, if anything so
other people running into the same issues will have a reference and know
this isn't necessarily a kernel thing.
Depending on how Lenovo reacts, I'll either have a working laptop or a
good reason to go soldering and probing the i2c bus. In any case, I should
end up with a solution I'd think :) although it'd be good if someone more
versed in the i8042 and related things would look over my shoulder in the
latter case.
Cheers,
Jeroen
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